com.jianggujin.http.response.JXMLSaxResponse Maven / Gradle / Ivy

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package com.jianggujin.http.response;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.InputSource;

import com.jianggujin.http.core.JParseException;
import com.jianggujin.http.util.JDataUtils;

/**
 * XML响应,SAX方式解析
 * 
 * @author jianggujin
 *
 */
public class JXMLSaxResponse extends JAbstractResponse {
   private String charset;
   private JSaxDefaultHandler handler;

   public JXMLSaxResponse(JSaxDefaultHandler handler) {
      this.handler = handler;
   }

   public JXMLSaxResponse(String charset, JSaxDefaultHandler handler) {
      this(handler);
      this.charset = charset;
   }

   @Override
   protected void dealData(InputStream stream) throws IOException {
      String charset = (this.charset == null || this.charset.length() == 0)
            ? JDataUtils.getCharsetFromContentType(this.getHeader("Content-Type"))
            : this.charset;
      try {
         SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
         InputStreamReader reader = new InputStreamReader(stream, charset);
         parser.parse(new InputSource(reader), handler);
         this.data = handler.getData();
      } catch (Exception e) {
         throw new JParseException(e);
      }
   }
}