/*
* 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.
*/
/**
* Based on http://antony.lesuisse.org/software/ajaxterm/
* Public Domain License
*/
package org.apache.felix.webconsole.plugins.gogo.impl;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.zip.GZIPOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.felix.webconsole.SimpleWebConsolePlugin;
import org.osgi.framework.BundleContext;
/**
* The <code>GogoPlugin</code>
*/
public class GogoPlugin extends SimpleWebConsolePlugin {
/** Pseudo class version ID to keep the IDE quite. */
private static final long serialVersionUID = 1L;
public static final String LABEL = "gogo";
public static final String TITLE = "Gogo";
public static final String CATEGORY = "Web Console";
public static final int TERM_WIDTH = 120;
public static final int TERM_HEIGHT = 39;
private final SessionTerminalManager terminalManager;
public GogoPlugin(final SessionTerminalManager terminalManager) {
super(LABEL, TITLE, null);
this.terminalManager = terminalManager;
}
@Override
public void activate(BundleContext bundleContext) {
super.activate(bundleContext);
}
@Override
public void deactivate() {
super.deactivate();
}
public String getCategory()
{
return CATEGORY;
}
protected void renderContent(HttpServletRequest request, HttpServletResponse response) throws IOException {
PrintWriter pw = response.getWriter();
String appRoot = request.getContextPath() + request.getServletPath();
pw.println("<link href=\"" + appRoot + "/gogo/res/ui/gogo.css\" rel=\"stylesheet\" type=\"text/css\" />");
pw.println("<script src=\"" + appRoot + "/gogo/res/ui/gogo.js\" type=\"text/javascript\"></script>");
pw.println("<p id=\"statline\" class=\"statline\"> </p>");
pw.println("<div id='console'><div id='term'></div></div>");
pw.println("<script type=\"text/javascript\"><!--");
pw.println("window.onload = function() { gogo.Terminal(document.getElementById(\"term\"), " + TERM_WIDTH + ", "
+ TERM_HEIGHT + "); }");
pw.println("--></script>");
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
String encoding = request.getHeader("Accept-Encoding");
boolean supportsGzip = (encoding != null && encoding.toLowerCase().indexOf("gzip") > -1);
SessionTerminal st = terminalManager.getSessionTerminal(request);
if (st != null) {
String str = request.getParameter("k");
String f = request.getParameter("f");
String dump = st.handle(str, f != null && f.length() > 0);
if (dump != null) {
if (supportsGzip) {
response.setHeader("Content-Encoding", "gzip");
response.setHeader("Content-Type", "text/html; charset=UTF-8");
try {
GZIPOutputStream gzos = new GZIPOutputStream(response.getOutputStream());
gzos.write(dump.getBytes("UTF-8"));
gzos.close();
} catch (IOException ie) {
// handle the error here
ie.printStackTrace();
}
} else {
response.setContentType("text/html; charset=UTF-8");
response.getOutputStream().write(dump.getBytes("UTF-8"));
}
}
} else {
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
response.flushBuffer();
}
}