/*
* Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.xml.sax.ptests;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.helpers.LocatorImpl;
import org.xml.sax.Locator;
import org.xml.sax.Attributes;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.FileWriter;
import org.xml.sax.SAXException;
class MyNSContentHandler extends DefaultHandler implements AutoCloseable{
/**
* Prefix for written string.
*/
private final static String WRITE_ERROR = "bWrite error";
/**
* FileWriter to write output file.
*/
private final BufferedWriter bWriter;
/**
* Default locator.
*/
Locator locator = new LocatorImpl();
/**
* Initiate FileWrite.
* @param outputFileName file name of output file.
* @throws SAXException when open output file failed.
*/
public MyNSContentHandler(String outputFileName) throws SAXException {
try {
bWriter = new BufferedWriter(new FileWriter(outputFileName));
} catch (IOException ex) {
throw new SAXException(ex);
}
}
/**
* Write characters tag along with content of characters when meet
* characters event.
* @throws IOException error happen when writing file.
*/
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
String s = new String(ch, start, length);
println("characters...length is:" + s.length() + "\n"
+ "<" + s + ">");
}
/**
* Write endDocument tag then flush the content and close the file when meet
* endDocument event.
* @throws IOException error happen when writing file or closing file.
*/
@Override
public void endDocument() throws SAXException {
try {
println("endDocument...");
bWriter.flush();
bWriter.close();
} catch (IOException ex) {
throw new SAXException(WRITE_ERROR, ex);
}
}
/**
* Write endElement tag with namespaceURI, localName, qName to the file when
* meet endElement event.
* @throws IOException error happen when writing file.
*/
@Override
public void endElement(String namespaceURI, String localName, String qName)
throws SAXException {
println("endElement...\n" + "namespaceURI: <" + namespaceURI
+ "> localName: <" + localName + "> qName: <" + qName + ">");
}
/**
* Write endPrefixMapping tag along with prefix to the file when meet
* endPrefixMapping event.
* @throws IOException error happen when writing file.
*/
@Override
public void endPrefixMapping(String prefix) throws SAXException {
println("endPrefixMapping...\n" + "prefix: <" + prefix + ">");
}
/**
* Write ignorableWhitespace tag along with white spaces when meet
* ignorableWhitespace event.
* @throws IOException error happen when writing file.
*/
@Override
public void ignorableWhitespace(char[] ch, int start, int length)
throws SAXException {
String s = new String(ch, start, length);
println("ignorableWhitespace...\n" + s
+ " ignorable white space string length: " + s.length());
}
/**
* Write processingInstruction tag along with target name and target data
* when meet processingInstruction event.
* @throws IOException error happen when writing file.
*/
@Override
public void processingInstruction(String target, String data)
throws SAXException {
println("processingInstruction...target:<" + target
+ "> data: <" + data + ">");
}
/**
* Write setDocumentLocator tag when meet setDocumentLocator event.
*/
@Override
public void setDocumentLocator(Locator locator) {
try {
this.locator = locator;
println("setDocumentLocator...");
} catch (SAXException ex) {
System.err.println(WRITE_ERROR + ex);
}
}
/**
* Write skippedEntity tag along with entity name when meet skippedEntity
* event.
* @throws IOException error happen when writing file.
*/
@Override
public void skippedEntity(String name) throws SAXException {
println("skippedEntity...\n" + "name: <" + name + ">");
}
/**
* Write startDocument tag when meet startDocument event.
* @throws IOException error happen when writing file.
*/
@Override
public void startDocument() throws SAXException {
println("startDocument...");
}
/**
* Write startElement tag along with namespaceURI, localName, qName, number
* of attributes and line number when meet startElement event.
* @throws IOException error happen when writing file.
*/
@Override
public void startElement(String namespaceURI, String localName,
String qName, Attributes atts) throws SAXException {
println("startElement...\n" + "namespaceURI: <" + namespaceURI
+ "> localName: <" + localName + "> qName: <" + qName
+ "> Number of Attributes: <" + atts.getLength()
+ "> Line# <" + locator.getLineNumber() + ">");
}
/**
* Write startPrefixMapping tag along with prefix and uri when meet
* startPrefixMapping event.
* @throws IOException error happen when writing file.
*/
@Override
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
println("startPrefixMapping...\n" + "prefix: <" + prefix
+ "> uri: <" + uri + ">");
}
/**
* Write outString to output file.
* @param outString string to be written.
* @throws SAXException
*/
private void println(String outString) throws SAXException {
try {
bWriter.write( outString, 0, outString.length());
bWriter.newLine();
} catch (IOException ex) {
throw new SAXException(WRITE_ERROR, ex);
}
}
/**
* Close writer if it's initiated.
* @throws IOException if any I/O error when close writer.
*/
@Override
public void close() throws IOException {
if (bWriter != null)
bWriter.close();
}
}