5a17acfd70
git-svn-id: http://google-refine.googlecode.com/svn/trunk@1613 7d457c2a-affb-35e4-300a-418c747d4874
108 lines
3.1 KiB
Java
108 lines
3.1 KiB
Java
/*
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/*
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Copyright 2010, 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.util;
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import java.io.IOException;
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import java.io.Writer;
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/**
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* A utility for writing indented code.
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*
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* @author dfhuynh
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*/
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public class IndentWriter {
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final static private int s_max = 20;
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static private String[] s_indents = new String[s_max];
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static {
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for (int i = 0; i < s_max; i++) {
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StringBuffer sb = new StringBuffer(s_max);
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for (int j = 0; j < i; j++) {
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sb.append('\t');
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}
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s_indents[i] = sb.toString();
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}
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}
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private Writer m_writer;
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private int m_count = 0;
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private boolean m_indent = true;
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public IndentWriter(Writer writer) {
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m_writer = writer;
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}
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public void close() throws IOException {
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m_writer.close();
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}
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public void flush() throws IOException {
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m_writer.flush();
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}
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public void print(Object o) throws IOException {
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printIndent();
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m_writer.write(o.toString());
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m_indent = false;
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}
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public void println() throws IOException {
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printIndent();
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m_writer.write("\n");
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m_indent = true;
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}
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public void println(Object o) throws IOException {
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printIndent();
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m_writer.write(o.toString());
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m_writer.write("\n");
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m_indent = true;
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}
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public void indent() {
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m_count++;
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}
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public void unindent() {
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m_count--;
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}
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private void printIndent() throws IOException {
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if (m_indent) {
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m_writer.write(s_indents[m_count]);
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}
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}
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}
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