package com.jclark.xsl.sax;

import org.xml.sax.*;
import java.io.*;

public class TextOutputHandler extends HandlerBase implements OutputDocumentHandler {
  private Writer writer;
  private boolean keepOpen;

  public TextOutputHandler() {
  }

  public TextOutputHandler(Writer writer) {
    this.writer = writer;
  }

  public DocumentHandler init(Destination dest, AttributeList atts)
    throws IOException {
    String mediaType = atts.getValue("media-type");
    if (mediaType == null)
      mediaType = "text/plain";
    writer = dest.getWriter(mediaType, atts.getValue("encoding"));
    keepOpen = dest.keepOpen();
    return this;
  }

  public void endDocument() throws SAXException {
    try {
      if (writer != null) {
	if (keepOpen)
	  writer.flush();
	else
	  writer.close();
	writer = null;
      }
    }
    catch (IOException e) {
      throw new SAXException(e);
    }
  }

  public void characters(char cbuf[], int off, int len) throws SAXException {
    try {
      writer.write(cbuf, off, len);
    }
    catch (IOException e) {
      throw new SAXException(e);
    }
  }
}