Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012 Johns Hopkins University
 *
 * 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.io.IOException;

import java.io.StringWriter;

import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Node;

public class Main {
    private static SAXTransformerFactory transformerFactory;

    public static String extractText(Node n) {
        StringBuffer buf = new StringBuffer();
        extractText(n, buf);

        return buf.toString().trim();
    }

    private static void extractText(Node n, StringBuffer buf) {
        if (n.getNodeType() == Node.TEXT_NODE) {
            buf.append(n.getNodeValue());
        }

        for (n = n.getFirstChild(); n != null; n = n.getNextSibling()) {
            extractText(n, buf);
        }
    }

    public static String toString(Node n) throws IOException, TransformerException {
        StringWriter w = new StringWriter();
        serialize(n, new StreamResult(w));
        return w.toString();
    }

    public static void serialize(Node n, StreamResult sr) throws IOException, TransformerException {
        TransformerHandler hd = newTransformerHandler();
        Transformer serializer = hd.getTransformer();

        serializer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        serializer.setOutputProperty(OutputKeys.INDENT, "yes");

        DOMSource source = new DOMSource(n);
        serializer.transform(source, sr);
    }

    public static TransformerHandler newTransformerHandler() throws TransformerConfigurationException {
        if (transformerFactory == null) {
            transformerFactory = (SAXTransformerFactory) SAXTransformerFactory.newInstance();
        }

        return transformerFactory.newTransformerHandler();
    }
}