Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import javax.xml.xpath.*;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;

public class Main {
    public static void deepCopyDocument(Document ttml, File target) throws IOException {
        try {
            XPathFactory xPathfactory = XPathFactory.newInstance();
            XPath xpath = xPathfactory.newXPath();
            XPathExpression expr = xpath.compile("//*/@backgroundImage");
            NodeList nl = (NodeList) expr.evaluate(ttml, XPathConstants.NODESET);
            for (int i = 0; i < nl.getLength(); i++) {
                Node backgroundImage = nl.item(i);
                URI backgroundImageUri = URI.create(backgroundImage.getNodeValue());
                if (!backgroundImageUri.isAbsolute()) {
                    copyLarge(new URI(ttml.getDocumentURI()).resolve(backgroundImageUri).toURL().openStream(),
                            new File(target.toURI().resolve(backgroundImageUri).toURL().getFile()));
                }
            }
            copyLarge(new URI(ttml.getDocumentURI()).toURL().openStream(), target);

        } catch (XPathExpressionException e) {
            throw new IOException(e);
        } catch (URISyntaxException e) {
            throw new IOException(e);
        }
    }

    private static long copyLarge(InputStream input, File outputFile) throws IOException {
        byte[] buffer = new byte[16384];
        long count = 0;
        int n = 0;
        outputFile.getParentFile().mkdirs();
        FileOutputStream output = new FileOutputStream(outputFile);
        try {
            while (-1 != (n = input.read(buffer))) {
                output.write(buffer, 0, n);
                count += n;
            }
        } finally {
            output.close();
        }
        return count;
    }
}