datasource.XMLTools.java Source code

Introduction

Here is the source code for datasource.XMLTools.java

Source

/*
* Copyright (C) 2008 Andreas Reichel
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

package datasource;

import java.io.FileOutputStream;

import org.dom4j.*;
import org.dom4j.io.*;

import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamSource;

public class XMLTools {
    public static long writeToXML(Document doc, String Filename) {
        long errorcode = 0;

        try {
            OutputFormat outformat = OutputFormat.createPrettyPrint();
            outformat.setEncoding("UTF-8");
            FileOutputStream out = new FileOutputStream(Filename);
            XMLWriter writer = new XMLWriter(out, outformat);
            writer.write(doc);
            writer.flush();
        } catch (Exception x) {
            System.out.println(x.getMessage());
            errorcode = x.hashCode();
        }
        return errorcode;
    }

    public static Document readXML(String Filename) throws Exception {
        SAXReader reader = new SAXReader(false);
        return reader.read(Filename);
    }

    public static Document readXMLResource(String ResourceName) throws DocumentException {
        Document doc;

        SAXReader reader = new SAXReader(false);
        doc = reader.read(System.out.getClass().getResourceAsStream(ResourceName));
        return doc;
    }

    public static Document parseHtml(String UrlStr) throws Exception {
        String ParserClassname = "org.ccil.cowan.tagsoup.Parser";
        String NamespaceStr = "http://www.w3.org/1999/xhtml";

        // use tagsoup-parser
        XMLReader parser = XMLReaderFactory.createXMLReader(ParserClassname);
        SAXReader reader = new SAXReader(parser, false);

        return reader.read(UrlStr);
    }

    public static void transformToHtml(Document doc, String xslfilename, String htmlfilename) {
        try {
            // load the transformer using JAXP
            TransformerFactory factory = TransformerFactory.newInstance();
            Transformer transformer = factory
                    .newTransformer(new StreamSource(System.out.getClass().getResource(xslfilename).getFile()));

            // now lets style the given document
            DocumentResult result = new DocumentResult();
            transformer.transform(new DocumentSource(doc), result);

            // write to file
            writeToXML(result.getDocument(), htmlfilename);

        } catch (Exception x) {
            System.out.println(x.getMessage());
        }
    }

    public static String getHomeDir() {
        String p = System.getProperty("user.home");
        String s = System.getProperty("file.separator");
        if (p.lastIndexOf(s) < p.length())
            p += s;
        return p;
    }

    public static String getResourceUrlStr(String resourceName) {
        String urlStr = System.out.getClass().getResource(resourceName).toExternalForm();
        return urlStr;
    }
}