/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.qpid.server.management.plugin.servlet;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class DefinedFileServlet extends HttpServlet
{
private static final String FILENAME_INIT_PARAMETER = "filename";
private String _filename;
public DefinedFileServlet()
{
super();
}
public DefinedFileServlet(String filename)
{
_filename = filename;
}
@Override
public void init() throws ServletException
{
ServletConfig config = getServletConfig();
String fileName = config.getInitParameter(FILENAME_INIT_PARAMETER);
if (fileName != null && !"".equals(fileName))
{
_filename = fileName;
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
final ServletOutputStream output = response.getOutputStream();
InputStream fileInput = getClass().getResourceAsStream("/resources/"+_filename);
if(fileInput != null)
{
byte[] buffer = new byte[1024];
response.setStatus(HttpServletResponse.SC_OK);
int read = 0;
while((read = fileInput.read(buffer)) > 0)
{
output.write(buffer, 0, read);
}
}
else
{
response.sendError(404, "unknown file: "+ _filename);
}
}
}