Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2007 - 2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.nio.charset.Charset;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;

import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;

import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stream.StreamResult;

import org.xml.sax.SAXException;

public class Main {
    /**
     * Creates a {@link TransformerHandler}.
     * 
     * @param commentHeader the comment header
     * @param rootTag the root tag
     * @param streamResult stream result
     */
    public static TransformerHandler createTransformerHandler(String commentHeader, String rootTag,
            StreamResult streamResult, Charset charset)
            throws TransformerFactoryConfigurationError, TransformerConfigurationException, SAXException {
        SAXTransformerFactory tf = (SAXTransformerFactory) TransformerFactory.newInstance();
        try {
            tf.setAttribute("indent-number", new Integer(2));
        } catch (Exception e) {
            // ignore, workaround for JDK 1.5 bug, see http://forum.java.sun.com/thread.jspa?threadID=562510
        }
        TransformerHandler transformerHandler = tf.newTransformerHandler();
        Transformer serializer = transformerHandler.getTransformer();
        serializer.setOutputProperty(OutputKeys.ENCODING, charset.name());
        serializer.setOutputProperty(OutputKeys.METHOD, "xml");
        serializer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformerHandler.setResult(streamResult);
        transformerHandler.startDocument();
        String newline = System.getProperty("line.separator");
        if (newline == null) {
            newline = "\n";
        }
        commentHeader = (newline + commentHeader).replaceAll("\\n--", newline + " ");
        transformerHandler.characters("\n".toCharArray(), 0, 1);
        transformerHandler.comment(commentHeader.toCharArray(), 0, commentHeader.toCharArray().length);
        transformerHandler.characters("\n".toCharArray(), 0, 1);
        if (rootTag.length() > 0) {
            transformerHandler.startElement("", "", rootTag, null);
        }
        return transformerHandler;
    }
}