Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.io.IOException;

import java.io.OutputStream;
import java.io.UnsupportedEncodingException;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Node;

public class Main {
    public static void transformToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)
            throws TransformerFactoryConfigurationError, TransformerConfigurationException, TransformerException,
            IOException {

        if (node.getNodeType() == Node.TEXT_NODE) {
            byte[] bytes = tranformTextNodeToByteArray(node);
            os.write(bytes);
        } else {
            transformNonTextNodeToOutputStream(node, os, omitXmlDeclaration);
        }
    }

    public static byte[] tranformTextNodeToByteArray(Node node) {
        String text = node.getTextContent();
        if (text != null) {
            try {
                return text.getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                // should not happen
                throw new IllegalStateException(e);
            }
        } else {
            return null;
        }
    }

    public static void transformNonTextNodeToOutputStream(Node node, OutputStream os, boolean omitXmlDeclaration)
            throws TransformerFactoryConfigurationError, TransformerConfigurationException, TransformerException {

        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer trans = tf.newTransformer();
        if (omitXmlDeclaration) {
            trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        }
        trans.transform(new DOMSource(node), new StreamResult(os));
    }
}