org.eclipse.jdt.internal.compiler.util.GenericXMLWriter Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.compiler.util;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Map;
public class GenericXMLWriter extends PrintWriter {
/* constants */
private static final String XML_VERSION= ""; //$NON-NLS-1$
private static void appendEscapedChar(StringBuffer buffer, char c) {
String replacement= getReplacement(c);
if (replacement != null) {
buffer.append('&');
buffer.append(replacement);
buffer.append(';');
} else {
buffer.append(c);
}
}
private static String getEscaped(String s) {
StringBuffer result= new StringBuffer(s.length() + 10);
for (int i= 0; i < s.length(); ++i)
appendEscapedChar(result, s.charAt(i));
return result.toString();
}
private static String getReplacement(char c) {
// Encode special XML characters into the equivalent character references.
// These five are defined by default for all XML documents.
switch (c) {
case '<' :
return "lt"; //$NON-NLS-1$
case '>' :
return "gt"; //$NON-NLS-1$
case '"' :
return "quot"; //$NON-NLS-1$
case '\'' :
return "apos"; //$NON-NLS-1$
case '&' :
return "amp"; //$NON-NLS-1$
}
return null;
}
private String lineSeparator;
private int tab;
public GenericXMLWriter(OutputStream stream, String lineSeparator, boolean printXmlVersion) {
this(new PrintWriter(stream), lineSeparator, printXmlVersion);
}
public GenericXMLWriter(Writer writer, String lineSeparator, boolean printXmlVersion) {
super(writer);
this.tab= 0;
this.lineSeparator = lineSeparator;
if (printXmlVersion) {
print(XML_VERSION);
print(this.lineSeparator);
}
}
public void endTag(String name, boolean insertTab, boolean insertNewLine) {
this.tab --;
printTag('/' + name, null/*no parameters*/, insertTab, insertNewLine, false/*don't close tag*/);
}
/*
* External API
*/
public void printString(String string, boolean insertTab, boolean insertNewLine) {
if (insertTab) {
printTabulation();
}
print(string);
if (insertNewLine) {
print(this.lineSeparator);
}
}
private void printTabulation() {
for (int i= 0; i < this.tab; i++) this.print('\t');
}
public void printTag(String name, HashMap parameters, boolean insertTab, boolean insertNewLine, boolean closeTag) {
if (insertTab) {
printTabulation();
}
this.print('<');
this.print(name);
if (parameters != null) {
int length = parameters.size();
Map.Entry[] entries = new Map.Entry[length];
parameters.entrySet().toArray(entries);
Arrays.sort(entries, new Comparator() {
public int compare(Object o1, Object o2) {
Map.Entry entry1 = (Map.Entry) o1;
Map.Entry entry2 = (Map.Entry) o2;
return ((String) entry1.getKey()).compareTo((String) entry2.getKey());
}
});
for (int i = 0; i < length; i++) {
this.print(' ');
this.print(entries[i].getKey());
this.print("=\""); //$NON-NLS-1$
this.print(getEscaped(String.valueOf(entries[i].getValue())));
this.print('\"');
}
}
if (closeTag) {
this.print("/>"); //$NON-NLS-1$
} else {
this.print(">"); //$NON-NLS-1$
}
if (insertNewLine) {
print(this.lineSeparator);
}
if (parameters != null && !closeTag)
this.tab++;
}
public void startTag(String name, boolean insertTab) {
printTag(name, null/*no parameters*/, insertTab, true/*insert new line*/, false/*don't close tag*/);
this.tab++;
}
}