131 lines
4.2 KiB
Java
131 lines
4.2 KiB
Java
/*
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Copyright 2010,2012 Google Inc.
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All rights reserved.
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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
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.google.refine.preference;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import com.fasterxml.jackson.annotation.JsonIgnore;
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import com.fasterxml.jackson.annotation.JsonInclude;
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import com.fasterxml.jackson.annotation.JsonInclude.Include;
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import com.fasterxml.jackson.annotation.JsonProperty;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.node.ArrayNode;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.google.refine.util.ParsingUtilities;
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public class PreferenceStore {
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public static final String USER_METADATA_KEY = "userMetadata";
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private boolean dirty = false;
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protected Map<String, Object> _prefs = new HashMap<>();
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public void put(String key, Object value) {
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if (value == null) {
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_prefs.remove(key);
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} else {
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_prefs.put(key, value);
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}
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dirty = true;
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}
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public Object get(String key) {
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return _prefs.get(key);
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}
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@JsonIgnore
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public Set<String> getKeys() {
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return _prefs.keySet();
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}
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/**
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* @return true if the preference store has unsaved changes
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*/
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@JsonIgnore
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public boolean isDirty() {
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return dirty;
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}
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/**
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* Mark the object as clean every time it is serialized.
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* This behaviour is not very clean - it is inherited from
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* the previous deserialization code.
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* @return
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*/
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@JsonProperty("makeClean")
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@JsonInclude(Include.NON_NULL)
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public Integer markAsClean() {
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dirty = false;
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return null;
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}
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@JsonProperty("entries")
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public void setEntries(JsonNode entries) {
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Iterator<String> i = entries.fieldNames();
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while (i.hasNext()) {
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String key = i.next();
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if (entries.get(key) != null) {
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JsonNode o = entries.get(key);
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Object loaded = loadObject(o);
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_prefs.put(key, loaded);
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}
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}
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dirty = false; // internal puts don't count
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}
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@JsonProperty("entries")
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public Map<String, Object> getEntries() {
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return _prefs;
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}
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static public Object loadObject(JsonNode o) {
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try {
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if (o instanceof ObjectNode) {
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ObjectNode obj2 = (ObjectNode) o;
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return ParsingUtilities.mapper.treeToValue(obj2, PreferenceValue.class);
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} else if (o instanceof ArrayNode) {
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return o;
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} else {
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// basic datatypes (int, double, boolean, string)
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return ParsingUtilities.mapper.treeToValue(o, Object.class);
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}
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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}
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}
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}
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