textextractor.java

《Java与模式》一书的源代码

package com.javapatterns.observer.xmlparser;

import java.io.IOException;
import java.io.Writer;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;


public class TextExtractor extends DefaultHandler
{

    private Writer out;

    public TextExtractor(Writer out)
    {
        this.out = out;
    }

    public void characters(char[] text, int start, int length)
    throws SAXException
    {
        try
        {
            out.write(text, start, length);
        }
        catch (IOException e)
        {
            throw new SAXException(e);
        }
    }

}