GenericResponseWrapper.java

/* 
 Copyright 2010, Patrick Grimaud.    
 
 This program is free software: you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public License
 as published by the Free Software Foundation, either version 3 of
 the License, or (at your option) 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, see <http://www.gnu.org/licenses/>. 
 
 (Patrick gave me explicit permission to use this code under the LGPL via email. -- novalis)
 
*/

package org.opentripplanner.jsonp;

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
 
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpServletResponseWrapper;

import org.opentripplanner.jsonp.FilterServletOutputStream;
 
public class GenericResponseWrapper extends HttpServletResponseWrapper {
 
    private ByteArrayOutputStream output;
    private int contentLength;
    private String contentType;
 
    public GenericResponseWrapper(HttpServletResponse response) {
        super(response);
 
        output = new ByteArrayOutputStream();
    }
 
    public byte[] getData() {
        return output.toByteArray();
    }
 
    public ServletOutputStream getOutputStream() {
        return new FilterServletOutputStream(output);
    }
 
    public PrintWriter getWriter() {
        return new PrintWriter(getOutputStream(), true);
    }
 
    public void setContentLength(int length) {
        this.contentLength = length;
        super.setContentLength(length);
    }
 
    public int getContentLength() {
        return contentLength;
    }
 
    public void setContentType(String type) {
        this.contentType = type;
        super.setContentType(type);
    }
 
    public String getContentType() {
        return contentType;
    }
}