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/*
* SVGParser.java
*
* Created on April 11, 2007, 5:07 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package com.kitfox.salamander.parser;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
/**
*
* @author kitfox
*/
public class SVGParser
{
public static interface SVGParserListener
{
}
/** Creates a new instance of SVGParser */
public SVGParser()
{
}
/**
* Parse an SVG document. The document may be either uncompressed XML (.svg)
* or a zipped document (.svgz). This routine will automatically detect
* zipped documents and unzip them.
*/
public static void parse(File source, SVGParserListener listener)
{
try
{
XMLReader parser;
parser = XMLReaderFactory.createXMLReader();
SVGParserHandler handler = new SVGParserHandler(listener);
parser.setContentHandler(handler);
FileInputStream fis = new FileInputStream(source);
BufferedInputStream bis = new BufferedInputStream(fis);
bis.mark(4);
//Check for gzip magic number
DataInputStream din = new DataInputStream(bis);
long magicNumber = din.readLong();
bis.reset();
InputStream svgStream;
if ((int)magicNumber == 0x4b50)
{
//PK Zip file
ZipInputStream zin = new ZipInputStream(bis);
ZipEntry entry = zin.getNextEntry();
byte[] buf = new byte[(int)entry.getSize()];
for (int offset = 0; offset < buf.length; offset += zin.read(buf, offset, buf.length - offset));
zin.closeEntry();
zin.close();
svgStream = new ByteArrayInputStream(buf);
}
else
{
//Treat input as uncompressed XML
svgStream = bis;
}
InputSource is = new InputSource(svgStream);
parser.parse(is);
}
catch (SAXException ex)
{
ex.printStackTrace();
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
}
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