/*
* (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed 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.
*
* Contributors:
* bstefanescu
*/
package org.nuxeo.ecm.webengine.jaxrs.servlet;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* A simple servlet which is serving resources provided by the servlet context
*
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public class ResourceServlet extends HttpServlet {
private static final long serialVersionUID = -3901124568792063159L;
protected String index;
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
index = config.getInitParameter("index");
if (index == null) {
index = "index.html";
}
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String pathInfo = req.getPathInfo();
if (pathInfo == null || pathInfo.equals("/") || pathInfo.length() == 0) {
pathInfo = index;
} else if (pathInfo.endsWith("/")) {
pathInfo += index;
}
InputStream in = getServletContext().getResourceAsStream(pathInfo);
if (in != null) {
String ctype = getServletContext().getMimeType(pathInfo);
if (ctype != null) {
resp.addHeader("Content-Type", ctype);
}
try {
OutputStream out = resp.getOutputStream();
byte[] bytes = new byte[1024 * 64];
int r = in.read(bytes);
while (r > -1) {
if (r > 0) {
out.write(bytes, 0, r);
}
r = in.read(bytes);
}
out.flush();
} finally {
in.close();
}
}
}
}