/*
* JBoss, Home of Professional Open Source
* Copyright 2009, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.profileservice.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import java.util.Set;
import javax.annotation.Resource;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
import org.jboss.deployers.spi.management.ManagementView;
import org.jboss.managed.api.ManagedComponent;
import org.jboss.managed.api.ManagedDeployment;
import org.jboss.managed.api.ManagedProperty;
import org.jboss.metatype.api.values.EnumValue;
import org.jboss.metatype.api.values.SimpleValue;
import org.jboss.profileservice.spi.ProfileService;
/**
* @author Scott.Stark@jboss.org
* @version $Revision:$
*/
public class DebugServlet extends HttpServlet
{
private static final Logger log = Logger.getLogger("org.jboss.profileservice.debug");
private static final long serialVersionUID = 1;
@Resource(mappedName = "ProfileService")
private ProfileService ps;
private ManagementView mgtView;
enum Operations {
listDeploymentTree,
listOperations
};
@Override
public void init(ServletConfig config) throws ServletException
{
super.init(config);
if(mgtView == null)
{
if(ps == null)
{
try
{
InitialContext ctx = new InitialContext();
ps = (ProfileService) ctx.lookup("ProfileService");
}
catch (NamingException e)
{
throw new ServletException("Failed to lookup java:ProfileService", e);
}
}
this.mgtView = ps.getViewManager();
}
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException
{
if(mgtView == null)
throw new ServletException("The ManagementView has not been injected");
String op = req.getParameter("op");
if(op == null)
op = "listOperations";
Operations theOP = Enum.valueOf(Operations.class, "listDeploymentTree");
String opResult = "";
super.log("op="+op);
switch(theOP)
{
case listDeploymentTree:
opResult = listDeploymentTree();
break;
case listOperations:
opResult = listOperations();
break;
default:
throw new ServletException("Unknown op: "+op+", valid ops: "+Operations.values());
}
PrintWriter pw = resp.getWriter();
pw.write("<h1>");
pw.write(theOP+" Results");
pw.write("</h1>");
pw.write("<pre>");
pw.write(opResult);
pw.write("</pre>");
}
protected String listDeploymentTree()
throws ServletException
{
StringBuilder tmp = new StringBuilder();
try
{
long start = System.currentTimeMillis();
mgtView.load();
long end = System.currentTimeMillis() - start;
Set<String> names = mgtView.getDeploymentNames();
for(String name : names)
{
ManagedDeployment md = mgtView.getDeployment(name);
tmp.append("ManagedDeployment: ");
tmp.append(md.getName());
tmp.append('\n');
Map<String, ManagedComponent> mcs = md.getComponents();
if(mcs != null)
{
for(ManagedComponent mc : mcs.values())
{
tmp.append("+++ ManagedComponent(name=").append(mc.getName());
tmp.append(", type=(").append(mc.getType());
tmp.append("), compName=").append(mc.getComponentName());
tmp.append(", attachment: ").append(mc.getAttachmentName());
tmp.append(", state: ").append(mc.getRunState());
tmp.append("\n++++++ properties: {");
for(ManagedProperty property : mc.getProperties().values())
{
try
{
tmp.append(property.getName()).append("=\"");
if(property.getValue() != null && property.getMetaType().isSimple())
{
tmp.append(SimpleValue.class.cast(property.getValue()).getValue());
}
else if(property.getValue() != null && property.getMetaType().isEnum())
{
tmp.append(EnumValue.class.cast(property.getValue()).getValue());
}
else
{
tmp.append(property.getValue());
}
tmp.append("\", ");
}
catch(Exception e)
{
// Debug runtime property failures
log.warn("failed to get value for property "+ property.getName(), e.getCause());
}
}
tmp.append("}");
tmp.append('\n');
}
}
tmp.append("\n");
}
tmp.append("loading managementView took " + end + "ms");
}
catch(Exception e)
{
throw new ServletException("listDeploymentTree failure", e);
}
return tmp.toString();
}
protected String listOperations()
{
StringBuilder tmp = new StringBuilder();
tmp.append("Available operations: ");
tmp.append("<ul>");
for(Operations op : Operations.values())
{
tmp.append("<li>");
tmp.append(op.name());
tmp.append("</li>\n");
}
return tmp.toString();
}
}