Refactor GData support to separate FusionTables
This commit is contained in:
Tom Morris
parent
c43e106abb
commit
0c6e065ac6
@ -43,6 +43,7 @@ function init() {
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var RS = Packages.com.google.refine.RefineServlet;
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RS.registerCommand(module, "deauthorize", Packages.com.google.refine.extension.gdata.DeAuthorizeCommand());
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RS.registerCommand(module, "upload", Packages.com.google.refine.extension.gdata.UploadCommand());
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// TODO: Need a new OAUTH2 authorize command for FusionTables
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// Register importer and exporter
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var IM = Packages.com.google.refine.importing.ImportingManager;
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@ -0,0 +1,209 @@
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/*
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* Copyright (c) 2013, Thomas F. Morris and other contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of Google nor the names of its contributors may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.google.refine.extension.gdata;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.net.URLEncoder;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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import java.util.regex.MatchResult;
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import java.util.regex.Pattern;
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import javax.servlet.http.HttpServletRequest;
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import com.google.gdata.client.GoogleService;
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import com.google.gdata.client.Service.GDataRequest;
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import com.google.gdata.client.Service.GDataRequest.RequestType;
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import com.google.gdata.client.http.AuthSubUtil;
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import com.google.gdata.util.ContentType;
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import com.google.gdata.util.ServiceException;
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import com.google.refine.util.ParsingUtilities;
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import edu.mit.simile.butterfly.ButterflyModule;
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/**
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* @author Tom Morris <tfmorris@gmail.com>
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* @copyright 2010,2013 Thomas F. Morris
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*/
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public class FusionTableHandler {
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final static private String FUSION_TABLES_SERVICE_URL =
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"https://www.google.com/fusiontables/api/query";
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final static private Pattern CSV_VALUE_PATTERN =
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Pattern.compile("([^,\\r\\n\"]*|\"(([^\"]*\"\")*[^\"]*)\")(,|\\r?\\n)");
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static public String getAuthorizationUrl(ButterflyModule module, HttpServletRequest request)
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throws MalformedURLException {
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char[] mountPointChars = module.getMountPoint().getMountPoint().toCharArray();
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StringBuffer sb = new StringBuffer();
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sb.append(mountPointChars, 0, mountPointChars.length);
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sb.append("authorized?winname=");
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sb.append(ParsingUtilities.encode(request.getParameter("winname")));
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sb.append("&callback=");
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sb.append(ParsingUtilities.encode(request.getParameter("callback")));
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URL thisUrl = new URL(request.getRequestURL().toString());
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URL authorizedUrl = new URL(thisUrl, sb.toString());
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return AuthSubUtil.getRequestUrl(
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authorizedUrl.toExternalForm(), // execution continues at authorized on redirect
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"https://www.google.com/fusiontables/api/query",
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false,
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true);
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}
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static public GDataRequest createFusionTablesPostRequest(
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GoogleService service, RequestType requestType, String query)
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throws IOException, ServiceException {
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URL url = new URL(FUSION_TABLES_SERVICE_URL);
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GDataRequest request = service.getRequestFactory().getRequest(
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requestType, url, new ContentType("application/x-www-form-urlencoded"));
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OutputStreamWriter writer =
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new OutputStreamWriter(request.getRequestStream());
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writer.append("sql=" + URLEncoder.encode(query, "UTF-8"));
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writer.flush();
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writer.close();
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return request;
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}
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static public GDataRequest createFusionTablesRequest(
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GoogleService service, RequestType requestType, String query)
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throws IOException, ServiceException {
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URL url = new URL(FUSION_TABLES_SERVICE_URL + "?sql=" +
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URLEncoder.encode(query, "UTF-8"));
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return service.getRequestFactory().getRequest(
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requestType, url, ContentType.TEXT_PLAIN);
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}
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static String getFusionTableKey(URL url) {
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String tableId = getParamValue(url,"dsrcid");
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// TODO: Any special id format considerations to worry about?
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// if (tableId.startsWith("p") || !tableId.contains(".")) {
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// return tableId;
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// }
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return tableId;
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}
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static public GoogleService getFusionTablesGoogleService(String token) {
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GoogleService service = new GoogleService("fusiontables", GDataExtension.SERVICE_APP_NAME);
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if (token != null) {
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service.setAuthSubToken(token);
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}
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return service;
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}
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static boolean isFusionTableURL(URL url) {
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// http://www.google.com/fusiontables/DataSource?dsrcid=1219
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String query = url.getQuery();
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if (query == null) {
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query = "";
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}
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return url.getHost().endsWith(".google.com")
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&& url.getPath().startsWith("/fusiontables/DataSource")
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&& query.contains("dsrcid=");
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}
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static public List<List<String>> parseFusionTablesResults(GDataRequest request) throws IOException {
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List<List<String>> rows = new ArrayList<List<String>>();
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List<String> row = null;
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Scanner scanner = new Scanner(request.getResponseStream(), "UTF-8");
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while (scanner.hasNextLine()) {
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scanner.findWithinHorizon(CSV_VALUE_PATTERN, 0);
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MatchResult match = scanner.match();
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String quotedString = match.group(2);
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String decoded = quotedString == null ? match.group(1) : quotedString.replaceAll("\"\"", "\"");
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if (row == null) {
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row = new ArrayList<String>();
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}
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row.add(decoded);
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if (!match.group(4).equals(",")) {
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if (row != null) {
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rows.add(row);
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row = null;
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}
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}
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}
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scanner.close();
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if (row != null) {
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rows.add(row);
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}
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return rows;
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}
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static public List<List<String>> listTables(GoogleService service) throws IOException, ServiceException {
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List<List<String>> rows = runFusionTablesSelect(service, "SHOW TABLES");
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// Format is id, name to which we append a link URL based on ID
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if (rows.size() > 1) { // excluding headers
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for (int i = 1; i < rows.size(); i++) {
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List<String> row = rows.get(i);
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if (row.size() >= 2) {
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String id = row.get(0);
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row.add("https://www.google.com/fusiontables/DataSource?dsrcid=" + id);
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}
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}
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}
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return rows;
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}
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static public List<List<String>> runFusionTablesSelect(GoogleService service, String selectQuery)
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throws IOException, ServiceException {
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GDataRequest request = createFusionTablesRequest(service, RequestType.QUERY, selectQuery);
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request.execute();
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return parseFusionTablesResults(request);
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}
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static private String getParamValue(URL url, String key) {
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String query = url.getQuery();
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if (query != null) {
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String[] parts = query.split("&");
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for (String part : parts) {
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if (part.startsWith(key+"=")) {
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int offset = key.length()+1;
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String tableId = part.substring(offset);
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return tableId;
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}
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}
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}
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return null;
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}
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}
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@ -0,0 +1,298 @@
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/*
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* Copyright (c) 2010, Thomas F. Morris
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of Google nor the names of its contributors may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.google.refine.extension.gdata;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import org.json.JSONObject;
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import com.google.gdata.client.GoogleService;
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import com.google.gdata.util.ServiceException;
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import com.google.refine.ProjectMetadata;
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import com.google.refine.importers.TabularImportingParserBase;
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import com.google.refine.importers.TabularImportingParserBase.TableDataReader;
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import com.google.refine.importing.ImportingJob;
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import com.google.refine.model.Project;
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import com.google.refine.util.JSONUtilities;
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/**
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* OpenRefine parser for Google Spreadsheets.
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*
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* @author Tom Morris <tfmorris@gmail.com>
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* @copyright 2010 Thomas F. Morris
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* @license New BSD http://www.opensource.org/licenses/bsd-license.php
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*/
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public class FusionTableImporter {
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static public void parse(
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String token,
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Project project,
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ProjectMetadata metadata,
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final ImportingJob job,
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int limit,
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JSONObject options,
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List<Exception> exceptions) {
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GoogleService service = FusionTableHandler.getFusionTablesGoogleService(token);
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parse(
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service,
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project,
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metadata,
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job,
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limit,
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options,
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exceptions
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);
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}
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static void setProgress(ImportingJob job, String fileSource, int percent) {
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JSONObject progress = JSONUtilities.getObject(job.config, "progress");
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if (progress == null) {
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progress = new JSONObject();
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JSONUtilities.safePut(job.config, "progress", progress);
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}
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JSONUtilities.safePut(progress, "message", "Reading " + fileSource);
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JSONUtilities.safePut(progress, "percent", percent);
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}
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static private class FusionTableBatchRowReader implements TableDataReader {
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final ImportingJob job;
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final String fileSource;
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final GoogleService service;
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final List<FTColumnData> columns;
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final int batchSize;
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final String baseQuery;
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int nextRow = 0; // 0-based
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int batchRowStart = 0; // 0-based
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boolean end = false;
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List<List<Object>> rowsOfCells = null;
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boolean usedHeaders = false;
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public FusionTableBatchRowReader(ImportingJob job, String fileSource,
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GoogleService service, String tableId, List<FTColumnData> columns,
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int batchSize) {
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this.job = job;
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this.fileSource = fileSource;
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this.service = service;
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this.columns = columns;
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this.batchSize = batchSize;
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StringBuffer sb = new StringBuffer();
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sb.append("SELECT ");
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boolean first = true;
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for (FTColumnData cd : columns) {
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if (first) {
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first = false;
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} else {
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sb.append(",");
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}
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sb.append("'");
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sb.append(cd.name);
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sb.append("'");
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}
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sb.append(" FROM ");
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sb.append(tableId);
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baseQuery = sb.toString();
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}
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@Override
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public List<Object> getNextRowOfCells() throws IOException {
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if (!usedHeaders) {
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List<Object> row = new ArrayList<Object>(columns.size());
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for (FTColumnData cd : columns) {
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row.add(cd.name);
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}
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usedHeaders = true;
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return row;
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}
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if (rowsOfCells == null || (nextRow >= batchRowStart + rowsOfCells.size() && !end)) {
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int newBatchRowStart = batchRowStart + (rowsOfCells == null ? 0 : rowsOfCells.size());
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try {
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rowsOfCells = getRowsOfCells(newBatchRowStart);
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batchRowStart = newBatchRowStart;
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GDataImporter.setProgress(job, fileSource, -1 /* batchRowStart * 100 / totalRows */);
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} catch (ServiceException e) {
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throw new IOException(e);
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}
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}
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if (rowsOfCells != null && nextRow - batchRowStart < rowsOfCells.size()) {
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return rowsOfCells.get(nextRow++ - batchRowStart);
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} else {
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return null;
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}
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}
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private List<List<Object>> getRowsOfCells(int startRow) throws IOException, ServiceException {
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List<List<Object>> rowsOfCells = new ArrayList<List<Object>>(batchSize);
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String query = baseQuery + " OFFSET " + startRow + " LIMIT " + batchSize;
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List<List<String>> rows = FusionTableHandler.runFusionTablesSelect(service, query);
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if (rows.size() > 1) {
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for (int i = 1; i < rows.size(); i++) {
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List<String> row = rows.get(i);
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List<Object> rowOfCells = new ArrayList<Object>(row.size());
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for (int j = 0; j < row.size() && j < columns.size(); j++) {
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String text = row.get(j);
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if (text.isEmpty()) {
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rowOfCells.add(null);
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} else {
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FTColumnData cd = columns.get(j);
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if (cd.type == FTColumnType.NUMBER) {
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try {
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rowOfCells.add(Long.parseLong(text));
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continue;
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} catch (NumberFormatException e) {
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// ignore
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}
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try {
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double d = Double.parseDouble(text);
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if (!Double.isInfinite(d) && !Double.isNaN(d)) {
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rowOfCells.add(d);
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continue;
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}
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} catch (NumberFormatException e) {
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// ignore
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}
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}
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rowOfCells.add(text);
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}
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}
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rowsOfCells.add(rowOfCells);
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}
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}
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end = rows.size() < batchSize + 1;
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return rowsOfCells;
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}
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}
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static public void parse(
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GoogleService service,
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Project project,
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ProjectMetadata metadata,
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final ImportingJob job,
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int limit,
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JSONObject options,
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List<Exception> exceptions) {
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String docUrlString = JSONUtilities.getString(options, "docUrl", null);
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String id = getFTid(docUrlString); // Use GDataExtension.getFusionTableKey(url) ?
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// TODO: Allow arbitrary Fusion Tables URL instead of (in addition to?) constructing our own?
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try {
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List<FTColumnData> columns = new ArrayList<FusionTableImporter.FTColumnData>();
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List<List<String>> rows = FusionTableHandler.runFusionTablesSelect(service, "DESCRIBE " + id);
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if (rows.size() > 1) {
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for (int i = 1; i < rows.size(); i++) {
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List<String> row = rows.get(i);
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if (row.size() >= 2) {
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FTColumnData cd = new FTColumnData();
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cd.name = row.get(1);
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cd.type = FTColumnType.STRING;
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if (row.size() > 2) {
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String type = row.get(2).toLowerCase();
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if (type.equals("number")) {
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cd.type = FTColumnType.NUMBER;
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} else if (type.equals("datetime")) {
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cd.type = FTColumnType.DATETIME;
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} else if (type.equals("location")) {
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cd.type = FTColumnType.LOCATION;
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}
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}
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columns.add(cd);
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}
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}
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setProgress(job, docUrlString, -1);
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// Force these options for the next call because each fusion table
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// is strictly structured with a single line of headers.
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JSONUtilities.safePut(options, "ignoreLines", 0); // number of blank lines at the beginning to ignore
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JSONUtilities.safePut(options, "headerLines", 1); // number of header lines
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TabularImportingParserBase.readTable(
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project,
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metadata,
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job,
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new FusionTableBatchRowReader(job, docUrlString, service, id, columns, 100),
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docUrlString,
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limit,
|
||||
options,
|
||||
exceptions
|
||||
);
|
||||
setProgress(job, docUrlString, 100);
|
||||
}
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
exceptions.add(e);
|
||||
} catch (ServiceException e) {
|
||||
e.printStackTrace();
|
||||
exceptions.add(e);
|
||||
}
|
||||
}
|
||||
|
||||
static private String getFTid(String url) {
|
||||
if (url == null) {
|
||||
return null;
|
||||
}
|
||||
int equal = url.lastIndexOf('=');
|
||||
if (equal < 0) {
|
||||
return null;
|
||||
}
|
||||
return url.substring(equal + 1);
|
||||
}
|
||||
|
||||
static enum FTColumnType {
|
||||
STRING,
|
||||
NUMBER,
|
||||
DATETIME,
|
||||
LOCATION
|
||||
}
|
||||
|
||||
final static class FTColumnData {
|
||||
String name;
|
||||
FTColumnType type;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,149 @@
|
||||
package com.google.refine.extension.gdata;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import org.json.JSONObject;
|
||||
|
||||
import com.google.gdata.client.GoogleService;
|
||||
import com.google.gdata.client.Service.GDataRequest;
|
||||
import com.google.gdata.client.Service.GDataRequest.RequestType;
|
||||
import com.google.gdata.util.ServiceException;
|
||||
|
||||
import com.google.refine.exporters.TabularSerializer;
|
||||
|
||||
final class FusionTableSerializer implements TabularSerializer {
|
||||
GoogleService service;
|
||||
String tableName;
|
||||
List<Exception> exceptions;
|
||||
|
||||
String tableId;
|
||||
List<String> columnNames;
|
||||
StringBuffer sbBatch;
|
||||
int rows;
|
||||
|
||||
FusionTableSerializer(GoogleService service, String tableName, List<Exception> exceptions) {
|
||||
this.service = service;
|
||||
this.tableName = tableName;
|
||||
this.exceptions = exceptions;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void startFile(JSONObject options) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endFile() {
|
||||
if (sbBatch != null) {
|
||||
sendBatch();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addRow(List<CellData> cells, boolean isHeader) {
|
||||
if (isHeader) {
|
||||
columnNames = new ArrayList<String>(cells.size());
|
||||
|
||||
StringBuffer sb = new StringBuffer();
|
||||
sb.append("CREATE TABLE '");
|
||||
sb.append(tableName);
|
||||
sb.append("' (");
|
||||
boolean first = true;
|
||||
for (CellData cellData : cells) {
|
||||
columnNames.add(cellData.text);
|
||||
|
||||
if (first) {
|
||||
first = false;
|
||||
} else {
|
||||
sb.append(',');
|
||||
}
|
||||
sb.append("'");
|
||||
sb.append(cellData.text);
|
||||
sb.append("': STRING");
|
||||
}
|
||||
sb.append(")");
|
||||
|
||||
try {
|
||||
String createQuery = sb.toString();
|
||||
|
||||
GDataRequest createTableRequest = FusionTableHandler.createFusionTablesPostRequest(
|
||||
service, RequestType.INSERT, createQuery);
|
||||
createTableRequest.execute();
|
||||
|
||||
List<List<String>> createTableResults =
|
||||
FusionTableHandler.parseFusionTablesResults(createTableRequest);
|
||||
if (createTableResults != null && createTableResults.size() == 2) {
|
||||
tableId = createTableResults.get(1).get(0);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
exceptions.add(e);
|
||||
}
|
||||
} else if (tableId != null) {
|
||||
if (sbBatch == null) {
|
||||
sbBatch = new StringBuffer();
|
||||
}
|
||||
formulateInsert(cells, sbBatch);
|
||||
|
||||
rows++;
|
||||
if (rows % 20 == 0) {
|
||||
sendBatch();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void sendBatch() {
|
||||
try {
|
||||
GDataRequest createTableRequest = FusionTableHandler.createFusionTablesPostRequest(
|
||||
service, RequestType.INSERT, sbBatch.toString());
|
||||
createTableRequest.execute();
|
||||
} catch (IOException e) {
|
||||
exceptions.add(e);
|
||||
} catch (ServiceException e) {
|
||||
exceptions.add(e);
|
||||
} finally {
|
||||
sbBatch = null;
|
||||
}
|
||||
}
|
||||
|
||||
private void formulateInsert(List<CellData> cells, StringBuffer sb) {
|
||||
StringBuffer sbColumnNames = new StringBuffer();
|
||||
StringBuffer sbValues = new StringBuffer();
|
||||
boolean first = true;
|
||||
for (int i = 0; i < cells.size() && i < columnNames.size(); i++) {
|
||||
CellData cellData = cells.get(i);
|
||||
if (first) {
|
||||
first = false;
|
||||
} else {
|
||||
sbColumnNames.append(',');
|
||||
sbValues.append(',');
|
||||
}
|
||||
sbColumnNames.append("'");
|
||||
sbColumnNames.append(columnNames.get(i));
|
||||
sbColumnNames.append("'");
|
||||
|
||||
sbValues.append("'");
|
||||
if (cellData != null && cellData.text != null) {
|
||||
sbValues.append(cellData.text.replaceAll("'", "\\\\'"));
|
||||
}
|
||||
sbValues.append("'");
|
||||
}
|
||||
|
||||
if (sb.length() > 0) {
|
||||
sb.append(';');
|
||||
}
|
||||
sb.append("INSERT INTO ");
|
||||
sb.append(tableId);
|
||||
sb.append("(");
|
||||
sb.append(sbColumnNames.toString());
|
||||
sb.append(") values (");
|
||||
sb.append(sbValues.toString());
|
||||
sb.append(")");
|
||||
}
|
||||
|
||||
public String getUrl() {
|
||||
// FIXME: This base URL is no longer correct
|
||||
return tableId == null || exceptions.size() > 0 ? null :
|
||||
"https://www.google.com/fusiontables/DataSource?dsrcid=" + tableId;
|
||||
}
|
||||
}
|
||||
@ -28,28 +28,14 @@
|
||||
*/
|
||||
package com.google.refine.extension.gdata;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.OutputStreamWriter;
|
||||
import java.net.MalformedURLException;
|
||||
import java.net.URL;
|
||||
import java.net.URLEncoder;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Scanner;
|
||||
import java.util.regex.MatchResult;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
|
||||
import com.google.gdata.client.GoogleService;
|
||||
import com.google.gdata.client.Service.GDataRequest;
|
||||
import com.google.gdata.client.Service.GDataRequest.RequestType;
|
||||
import com.google.gdata.client.docs.DocsService;
|
||||
import com.google.gdata.client.http.AuthSubUtil;
|
||||
import com.google.gdata.client.spreadsheet.FeedURLFactory;
|
||||
import com.google.gdata.client.spreadsheet.SpreadsheetService;
|
||||
import com.google.gdata.util.ContentType;
|
||||
import com.google.gdata.util.ServiceException;
|
||||
|
||||
import com.google.refine.util.ParsingUtilities;
|
||||
|
||||
@ -79,20 +65,12 @@ abstract public class GDataExtension {
|
||||
|
||||
return AuthSubUtil.getRequestUrl(
|
||||
authorizedUrl.toExternalForm(), // execution continues at authorized on redirect
|
||||
"https://docs.google.com/feeds https://spreadsheets.google.com/feeds https://www.google.com/fusiontables/api/query",
|
||||
"https://docs.google.com/feeds https://spreadsheets.google.com/feeds",
|
||||
false,
|
||||
true);
|
||||
}
|
||||
|
||||
static private FeedURLFactory factory;
|
||||
static public FeedURLFactory getFeedUrlFactory() {
|
||||
if (factory == null) {
|
||||
// Careful - this is shared by everyone.
|
||||
factory = FeedURLFactory.getDefault();
|
||||
}
|
||||
return factory;
|
||||
}
|
||||
|
||||
|
||||
static public DocsService getDocsService(String token) {
|
||||
DocsService service = new DocsService(SERVICE_APP_NAME);
|
||||
if (token != null) {
|
||||
@ -109,83 +87,6 @@ abstract public class GDataExtension {
|
||||
return service;
|
||||
}
|
||||
|
||||
static public GoogleService getFusionTablesGoogleService(String token) {
|
||||
GoogleService service = new GoogleService("fusiontables", SERVICE_APP_NAME);
|
||||
if (token != null) {
|
||||
service.setAuthSubToken(token);
|
||||
}
|
||||
return service;
|
||||
}
|
||||
|
||||
final static private String FUSION_TABLES_SERVICE_URL =
|
||||
"https://www.google.com/fusiontables/api/query";
|
||||
|
||||
final static private Pattern CSV_VALUE_PATTERN =
|
||||
Pattern.compile("([^,\\r\\n\"]*|\"(([^\"]*\"\")*[^\"]*)\")(,|\\r?\\n)");
|
||||
|
||||
static public List<List<String>> runFusionTablesSelect(GoogleService service, String selectQuery)
|
||||
throws IOException, ServiceException {
|
||||
|
||||
GDataRequest request = createFusionTablesRequest(service, RequestType.QUERY, selectQuery);
|
||||
request.execute();
|
||||
return parseFusionTablesResults(request);
|
||||
}
|
||||
|
||||
static public GDataRequest createFusionTablesRequest(
|
||||
GoogleService service, RequestType requestType, String query)
|
||||
throws IOException, ServiceException {
|
||||
URL url = new URL(FUSION_TABLES_SERVICE_URL + "?sql=" +
|
||||
URLEncoder.encode(query, "UTF-8"));
|
||||
return service.getRequestFactory().getRequest(
|
||||
requestType, url, ContentType.TEXT_PLAIN);
|
||||
}
|
||||
|
||||
static public GDataRequest createFusionTablesPostRequest(
|
||||
GoogleService service, RequestType requestType, String query)
|
||||
throws IOException, ServiceException {
|
||||
URL url = new URL(FUSION_TABLES_SERVICE_URL);
|
||||
GDataRequest request = service.getRequestFactory().getRequest(
|
||||
requestType, url, new ContentType("application/x-www-form-urlencoded"));
|
||||
|
||||
OutputStreamWriter writer =
|
||||
new OutputStreamWriter(request.getRequestStream());
|
||||
writer.append("sql=" + URLEncoder.encode(query, "UTF-8"));
|
||||
writer.flush();
|
||||
writer.close();
|
||||
|
||||
return request;
|
||||
}
|
||||
|
||||
static public List<List<String>> parseFusionTablesResults(GDataRequest request) throws IOException {
|
||||
List<List<String>> rows = new ArrayList<List<String>>();
|
||||
List<String> row = null;
|
||||
|
||||
Scanner scanner = new Scanner(request.getResponseStream(), "UTF-8");
|
||||
while (scanner.hasNextLine()) {
|
||||
scanner.findWithinHorizon(CSV_VALUE_PATTERN, 0);
|
||||
MatchResult match = scanner.match();
|
||||
String quotedString = match.group(2);
|
||||
String decoded = quotedString == null ? match.group(1) : quotedString.replaceAll("\"\"", "\"");
|
||||
|
||||
if (row == null) {
|
||||
row = new ArrayList<String>();
|
||||
}
|
||||
row.add(decoded);
|
||||
|
||||
if (!match.group(4).equals(",")) {
|
||||
if (row != null) {
|
||||
rows.add(row);
|
||||
row = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
scanner.close();
|
||||
if (row != null) {
|
||||
rows.add(row);
|
||||
}
|
||||
return rows;
|
||||
}
|
||||
|
||||
static boolean isSpreadsheetURL(String url) {
|
||||
// e.g. http://spreadsheets.google.com/ccc?key=tI36b9Fxk1lFBS83iR_3XQA&hl=en
|
||||
// TODO: The following should work, but the GData implementation is too limited
|
||||
@ -220,25 +121,5 @@ abstract public class GDataExtension {
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
static boolean isFusionTableURL(URL url) {
|
||||
// http://www.google.com/fusiontables/DataSource?dsrcid=1219
|
||||
String query = url.getQuery();
|
||||
if (query == null) {
|
||||
query = "";
|
||||
}
|
||||
return url.getHost().endsWith(".google.com")
|
||||
&& url.getPath().startsWith("/fusiontables/DataSource")
|
||||
&& query.contains("dsrcid=");
|
||||
}
|
||||
|
||||
static String getFusionTableKey(URL url) {
|
||||
String tableId = getParamValue(url,"dsrcid");
|
||||
// TODO: Any special id format considerations to worry about?
|
||||
// if (tableId.startsWith("p") || !tableId.contains(".")) {
|
||||
// return tableId;
|
||||
// }
|
||||
return tableId;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@ -36,7 +36,6 @@ import java.util.List;
|
||||
|
||||
import org.json.JSONObject;
|
||||
|
||||
import com.google.gdata.client.GoogleService;
|
||||
import com.google.gdata.client.spreadsheet.CellQuery;
|
||||
import com.google.gdata.client.spreadsheet.SpreadsheetService;
|
||||
import com.google.gdata.data.spreadsheet.Cell;
|
||||
@ -83,9 +82,7 @@ public class GDataImporter {
|
||||
exceptions
|
||||
);
|
||||
} else if ("table".equals(docType)) {
|
||||
GoogleService service = GDataExtension.getFusionTablesGoogleService(token);
|
||||
parse(
|
||||
service,
|
||||
FusionTableImporter.parse(token,
|
||||
project,
|
||||
metadata,
|
||||
job,
|
||||
@ -171,7 +168,7 @@ public class GDataImporter {
|
||||
}
|
||||
}
|
||||
|
||||
static private void setProgress(ImportingJob job, String fileSource, int percent) {
|
||||
static void setProgress(ImportingJob job, String fileSource, int percent) {
|
||||
JSONObject progress = JSONUtilities.getObject(job.config, "progress");
|
||||
if (progress == null) {
|
||||
progress = new JSONObject();
|
||||
@ -278,214 +275,5 @@ public class GDataImporter {
|
||||
return rowsOfCells;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static public void parse(
|
||||
GoogleService service,
|
||||
Project project,
|
||||
ProjectMetadata metadata,
|
||||
final ImportingJob job,
|
||||
int limit,
|
||||
JSONObject options,
|
||||
List<Exception> exceptions) {
|
||||
|
||||
String docUrlString = JSONUtilities.getString(options, "docUrl", null);
|
||||
String id = getFTid(docUrlString); // Use GDataExtension.getFusionTableKey(url) ?
|
||||
// TODO: Allow arbitrary Fusion Tables URL instead of (in addition to?) constructing our own?
|
||||
|
||||
try {
|
||||
List<FTColumnData> columns = new ArrayList<GDataImporter.FTColumnData>();
|
||||
List<List<String>> rows = GDataExtension.runFusionTablesSelect(service, "DESCRIBE " + id);
|
||||
if (rows.size() > 1) {
|
||||
for (int i = 1; i < rows.size(); i++) {
|
||||
List<String> row = rows.get(i);
|
||||
if (row.size() >= 2) {
|
||||
FTColumnData cd = new FTColumnData();
|
||||
cd.name = row.get(1);
|
||||
cd.type = FTColumnType.STRING;
|
||||
|
||||
if (row.size() > 2) {
|
||||
String type = row.get(2).toLowerCase();
|
||||
if (type.equals("number")) {
|
||||
cd.type = FTColumnType.NUMBER;
|
||||
} else if (type.equals("datetime")) {
|
||||
cd.type = FTColumnType.DATETIME;
|
||||
} else if (type.equals("location")) {
|
||||
cd.type = FTColumnType.LOCATION;
|
||||
}
|
||||
}
|
||||
columns.add(cd);
|
||||
}
|
||||
}
|
||||
|
||||
setProgress(job, docUrlString, -1);
|
||||
|
||||
// Force these options for the next call because each fusion table
|
||||
// is strictly structured with a single line of headers.
|
||||
JSONUtilities.safePut(options, "ignoreLines", 0); // number of blank lines at the beginning to ignore
|
||||
JSONUtilities.safePut(options, "headerLines", 1); // number of header lines
|
||||
|
||||
TabularImportingParserBase.readTable(
|
||||
project,
|
||||
metadata,
|
||||
job,
|
||||
new FusionTableBatchRowReader(job, docUrlString, service, id, columns, 100),
|
||||
docUrlString,
|
||||
limit,
|
||||
options,
|
||||
exceptions
|
||||
);
|
||||
setProgress(job, docUrlString, 100);
|
||||
}
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
exceptions.add(e);
|
||||
} catch (ServiceException e) {
|
||||
e.printStackTrace();
|
||||
exceptions.add(e);
|
||||
}
|
||||
}
|
||||
|
||||
static private String getFTid(String url) {
|
||||
if (url == null) {
|
||||
return null;
|
||||
}
|
||||
int equal = url.lastIndexOf('=');
|
||||
if (equal < 0) {
|
||||
return null;
|
||||
}
|
||||
return url.substring(equal + 1);
|
||||
}
|
||||
|
||||
static private enum FTColumnType {
|
||||
STRING,
|
||||
NUMBER,
|
||||
DATETIME,
|
||||
LOCATION
|
||||
}
|
||||
|
||||
final static private class FTColumnData {
|
||||
String name;
|
||||
FTColumnType type;
|
||||
}
|
||||
|
||||
static private class FusionTableBatchRowReader implements TableDataReader {
|
||||
final ImportingJob job;
|
||||
final String fileSource;
|
||||
|
||||
final GoogleService service;
|
||||
final List<FTColumnData> columns;
|
||||
final int batchSize;
|
||||
|
||||
final String baseQuery;
|
||||
|
||||
int nextRow = 0; // 0-based
|
||||
int batchRowStart = 0; // 0-based
|
||||
boolean end = false;
|
||||
List<List<Object>> rowsOfCells = null;
|
||||
boolean usedHeaders = false;
|
||||
|
||||
public FusionTableBatchRowReader(ImportingJob job, String fileSource,
|
||||
GoogleService service, String tableId, List<FTColumnData> columns,
|
||||
int batchSize) {
|
||||
this.job = job;
|
||||
this.fileSource = fileSource;
|
||||
this.service = service;
|
||||
this.columns = columns;
|
||||
this.batchSize = batchSize;
|
||||
|
||||
StringBuffer sb = new StringBuffer();
|
||||
sb.append("SELECT ");
|
||||
|
||||
boolean first = true;
|
||||
for (FTColumnData cd : columns) {
|
||||
if (first) {
|
||||
first = false;
|
||||
} else {
|
||||
sb.append(",");
|
||||
}
|
||||
sb.append("'");
|
||||
sb.append(cd.name);
|
||||
sb.append("'");
|
||||
}
|
||||
sb.append(" FROM ");
|
||||
sb.append(tableId);
|
||||
|
||||
baseQuery = sb.toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<Object> getNextRowOfCells() throws IOException {
|
||||
if (!usedHeaders) {
|
||||
List<Object> row = new ArrayList<Object>(columns.size());
|
||||
for (FTColumnData cd : columns) {
|
||||
row.add(cd.name);
|
||||
}
|
||||
usedHeaders = true;
|
||||
return row;
|
||||
}
|
||||
|
||||
if (rowsOfCells == null || (nextRow >= batchRowStart + rowsOfCells.size() && !end)) {
|
||||
int newBatchRowStart = batchRowStart + (rowsOfCells == null ? 0 : rowsOfCells.size());
|
||||
try {
|
||||
rowsOfCells = getRowsOfCells(newBatchRowStart);
|
||||
batchRowStart = newBatchRowStart;
|
||||
|
||||
setProgress(job, fileSource, -1 /* batchRowStart * 100 / totalRows */);
|
||||
} catch (ServiceException e) {
|
||||
throw new IOException(e);
|
||||
}
|
||||
}
|
||||
|
||||
if (rowsOfCells != null && nextRow - batchRowStart < rowsOfCells.size()) {
|
||||
return rowsOfCells.get(nextRow++ - batchRowStart);
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
private List<List<Object>> getRowsOfCells(int startRow) throws IOException, ServiceException {
|
||||
List<List<Object>> rowsOfCells = new ArrayList<List<Object>>(batchSize);
|
||||
|
||||
String query = baseQuery + " OFFSET " + startRow + " LIMIT " + batchSize;
|
||||
|
||||
List<List<String>> rows = GDataExtension.runFusionTablesSelect(service, query);
|
||||
if (rows.size() > 1) {
|
||||
for (int i = 1; i < rows.size(); i++) {
|
||||
List<String> row = rows.get(i);
|
||||
List<Object> rowOfCells = new ArrayList<Object>(row.size());
|
||||
for (int j = 0; j < row.size() && j < columns.size(); j++) {
|
||||
String text = row.get(j);
|
||||
if (text.isEmpty()) {
|
||||
rowOfCells.add(null);
|
||||
} else {
|
||||
FTColumnData cd = columns.get(j);
|
||||
if (cd.type == FTColumnType.NUMBER) {
|
||||
try {
|
||||
rowOfCells.add(Long.parseLong(text));
|
||||
continue;
|
||||
} catch (NumberFormatException e) {
|
||||
// ignore
|
||||
}
|
||||
try {
|
||||
double d = Double.parseDouble(text);
|
||||
if (!Double.isInfinite(d) && !Double.isNaN(d)) {
|
||||
rowOfCells.add(d);
|
||||
continue;
|
||||
}
|
||||
} catch (NumberFormatException e) {
|
||||
// ignore
|
||||
}
|
||||
}
|
||||
|
||||
rowOfCells.add(text);
|
||||
}
|
||||
}
|
||||
rowsOfCells.add(rowOfCells);
|
||||
}
|
||||
}
|
||||
end = rows.size() < batchSize + 1;
|
||||
return rowsOfCells;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -125,7 +125,7 @@ public class GDataImportingController implements ImportingController {
|
||||
|
||||
try {
|
||||
listSpreadsheets(GDataExtension.getDocsService(token), writer);
|
||||
listFusionTables(GDataExtension.getFusionTablesGoogleService(token), writer);
|
||||
listFusionTables(FusionTableHandler.getFusionTablesGoogleService(token), writer);
|
||||
} catch (ServiceException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
@ -170,14 +170,14 @@ public class GDataImportingController implements ImportingController {
|
||||
private void listFusionTables(GoogleService service, JSONWriter writer)
|
||||
throws IOException, ServiceException, JSONException {
|
||||
|
||||
List<List<String>> rows = GDataExtension.runFusionTablesSelect(service, "SHOW TABLES");
|
||||
List<List<String>> rows = FusionTableHandler.listTables(service);
|
||||
if (rows.size() > 1) { // excluding headers
|
||||
for (int i = 1; i < rows.size(); i++) {
|
||||
List<String> row = rows.get(i);
|
||||
if (row.size() >= 2) {
|
||||
String id = row.get(0);
|
||||
String name = row.get(1);
|
||||
String link = "https://www.google.com/fusiontables/DataSource?dsrcid=" + id;
|
||||
String link = row.get(2);
|
||||
|
||||
writer.object();
|
||||
writer.key("docId"); writer.value(id);
|
||||
|
||||
@ -33,7 +33,6 @@ import java.io.IOException;
|
||||
import java.io.Writer;
|
||||
import java.net.MalformedURLException;
|
||||
import java.net.URL;
|
||||
import java.util.ArrayList;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
import java.util.Properties;
|
||||
@ -48,8 +47,6 @@ import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import com.google.gdata.client.GoogleService;
|
||||
import com.google.gdata.client.Service.GDataRequest;
|
||||
import com.google.gdata.client.Service.GDataRequest.RequestType;
|
||||
import com.google.gdata.client.docs.DocsService;
|
||||
import com.google.gdata.client.spreadsheet.CellQuery;
|
||||
import com.google.gdata.client.spreadsheet.SpreadsheetService;
|
||||
@ -295,142 +292,12 @@ public class UploadCommand extends Command {
|
||||
static private String uploadFusionTable(
|
||||
Project project, final Engine engine, final Properties params,
|
||||
String token, String name, List<Exception> exceptions) {
|
||||
GoogleService service = GDataExtension.getFusionTablesGoogleService(token);
|
||||
GoogleService service = FusionTableHandler.getFusionTablesGoogleService(token);
|
||||
FusionTableSerializer serializer = new FusionTableSerializer(service, name, exceptions);
|
||||
|
||||
CustomizableTabularExporterUtilities.exportRows(
|
||||
project, engine, params, serializer);
|
||||
|
||||
return serializer.tableId == null || exceptions.size() > 0 ? null :
|
||||
"https://www.google.com/fusiontables/DataSource?dsrcid=" + serializer.tableId;
|
||||
}
|
||||
|
||||
final static private class FusionTableSerializer implements TabularSerializer {
|
||||
GoogleService service;
|
||||
String tableName;
|
||||
List<Exception> exceptions;
|
||||
|
||||
String tableId;
|
||||
List<String> columnNames;
|
||||
StringBuffer sbBatch;
|
||||
int rows;
|
||||
|
||||
FusionTableSerializer(GoogleService service, String tableName, List<Exception> exceptions) {
|
||||
this.service = service;
|
||||
this.tableName = tableName;
|
||||
this.exceptions = exceptions;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void startFile(JSONObject options) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void endFile() {
|
||||
if (sbBatch != null) {
|
||||
sendBatch();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void addRow(List<CellData> cells, boolean isHeader) {
|
||||
if (isHeader) {
|
||||
columnNames = new ArrayList<String>(cells.size());
|
||||
|
||||
StringBuffer sb = new StringBuffer();
|
||||
sb.append("CREATE TABLE '");
|
||||
sb.append(tableName);
|
||||
sb.append("' (");
|
||||
boolean first = true;
|
||||
for (CellData cellData : cells) {
|
||||
columnNames.add(cellData.text);
|
||||
|
||||
if (first) {
|
||||
first = false;
|
||||
} else {
|
||||
sb.append(',');
|
||||
}
|
||||
sb.append("'");
|
||||
sb.append(cellData.text);
|
||||
sb.append("': STRING");
|
||||
}
|
||||
sb.append(")");
|
||||
|
||||
try {
|
||||
String createQuery = sb.toString();
|
||||
|
||||
GDataRequest createTableRequest = GDataExtension.createFusionTablesPostRequest(
|
||||
service, RequestType.INSERT, createQuery);
|
||||
createTableRequest.execute();
|
||||
|
||||
List<List<String>> createTableResults =
|
||||
GDataExtension.parseFusionTablesResults(createTableRequest);
|
||||
if (createTableResults != null && createTableResults.size() == 2) {
|
||||
tableId = createTableResults.get(1).get(0);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
exceptions.add(e);
|
||||
}
|
||||
} else if (tableId != null) {
|
||||
if (sbBatch == null) {
|
||||
sbBatch = new StringBuffer();
|
||||
}
|
||||
formulateInsert(cells, sbBatch);
|
||||
|
||||
rows++;
|
||||
if (rows % 20 == 0) {
|
||||
sendBatch();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void sendBatch() {
|
||||
try {
|
||||
GDataRequest createTableRequest = GDataExtension.createFusionTablesPostRequest(
|
||||
service, RequestType.INSERT, sbBatch.toString());
|
||||
createTableRequest.execute();
|
||||
} catch (IOException e) {
|
||||
exceptions.add(e);
|
||||
} catch (ServiceException e) {
|
||||
exceptions.add(e);
|
||||
} finally {
|
||||
sbBatch = null;
|
||||
}
|
||||
}
|
||||
|
||||
void formulateInsert(List<CellData> cells, StringBuffer sb) {
|
||||
StringBuffer sbColumnNames = new StringBuffer();
|
||||
StringBuffer sbValues = new StringBuffer();
|
||||
boolean first = true;
|
||||
for (int i = 0; i < cells.size() && i < columnNames.size(); i++) {
|
||||
CellData cellData = cells.get(i);
|
||||
if (first) {
|
||||
first = false;
|
||||
} else {
|
||||
sbColumnNames.append(',');
|
||||
sbValues.append(',');
|
||||
}
|
||||
sbColumnNames.append("'");
|
||||
sbColumnNames.append(columnNames.get(i));
|
||||
sbColumnNames.append("'");
|
||||
|
||||
sbValues.append("'");
|
||||
if (cellData != null && cellData.text != null) {
|
||||
sbValues.append(cellData.text.replaceAll("'", "\\\\'"));
|
||||
}
|
||||
sbValues.append("'");
|
||||
}
|
||||
|
||||
if (sb.length() > 0) {
|
||||
sb.append(';');
|
||||
}
|
||||
sb.append("INSERT INTO ");
|
||||
sb.append(tableId);
|
||||
sb.append("(");
|
||||
sb.append(sbColumnNames.toString());
|
||||
sb.append(") values (");
|
||||
sb.append(sbValues.toString());
|
||||
sb.append(")");
|
||||
}
|
||||
return serializer.getUrl();
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user