/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.management.j2ee;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.StringWriter;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.InvalidParameterException;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.jboss.logging.Logger;
/**
* Root class of the JBoss JSR-77 implementation of J2EEDeployedObject.
*
* @author <a href="mailto:andreas@jboss.org">Andreas Schaefer</a>
* @author <a href="thomas.diesler@jboss.org">Thomas Diesler</a>
* @author <a href="mailto:dimitris@jboss.org">Dimitris Andreadis</a>
* @version $Revision: 81025 $
*/
public abstract class J2EEDeployedObject extends J2EEManagedObject
implements J2EEDeployedObjectMBean
{
// Constants -----------------------------------------------------
public static final int APPLICATION = 0;
public static final int WEB = 1;
public static final int EJB = 2;
public static final int RAR = 3;
public static final int SAR = 4;
public static final int JBOSS = 5;
public static final int JAWS = 6;
public static final int CMP = 7;
public static final int JBOSS_WEB = 8;
/** The logger */
private static final Logger log = Logger.getLogger(J2EEDeployedObject.class);
private static final String[] sDescriptors = new String[]{
"META-INF/application.xml",
"WEB-INF/web.xml",
"META-INF/ejb-jar.xml",
"META-INF/ra.xml",
"META-INF/jboss-service.xml",
"META-INF/jboss.xml",
"META-INF/jaws.xml",
"META-INF/jbosscmp-jdbc.xml",
"WEB-INF/jboss-web.xml",
};
// Attributes ----------------------------------------------------
private String mDeploymentDescriptor;
// Static --------------------------------------------------------
public static String getDeploymentDescriptor(URL pJarUrl, int pType)
{
return getDeploymentDescriptor(pJarUrl, sDescriptors[pType]);
}
/**
* Loads and returns in a string form the deployment descriptor
* for a module. If the descriptor relative path is null the
* baseJarUrl is used as the descriptor itself. Otherwise baseJarUrl
* and descriptor are combined to form the final descriptor.
*/
public static String getDeploymentDescriptor(URL baseJarUrl, String descriptor)
{
if (baseJarUrl == null)
{
// Return if the given URL is null
return null;
}
String lDD = null;
Reader lInput = null;
StringWriter lOutput = null;
try
{
if (descriptor == null)
{
// Use the baseJarUrl as the descriptor
lInput = new InputStreamReader(baseJarUrl.openStream());
}
else
{
// Look for an embedded descriptor
log.debug("File: " + baseJarUrl + ", descriptor: " + descriptor);
ClassLoader localCl = new URLClassLoader(new URL[]{baseJarUrl});
InputStream lStream = localCl.getResourceAsStream(descriptor);
if (lStream == null)
{
// If DD not found then return a null indicating the file is not available
return null;
}
lInput = new InputStreamReader(lStream);
}
lOutput = new StringWriter();
char[] lBuffer = new char[1024];
int lLength = 0;
while ((lLength = lInput.read(lBuffer)) > 0)
{
lOutput.write(lBuffer, 0, lLength);
}
lDD = lOutput.toString();
}
catch (Exception e)
{
log.error("failed to get deployment descriptor", e);
}
finally
{
if (lInput != null)
{
try
{
lInput.close();
}
catch (Exception e)
{
}
}
if (lOutput != null)
{
try
{
lOutput.close();
}
catch (Exception e)
{
}
}
}
return lDD;
}
// Constructors --------------------------------------------------
/**
* Constructor taking the Name of this Object
*
* @param pName Name to be set which must not be null
* @param pDeploymentDescriptor
* @throws InvalidParameterException If the given Name is null
*/
public J2EEDeployedObject(String pType,
String pName,
ObjectName pParent,
String pDeploymentDescriptor)
throws
MalformedObjectNameException,
InvalidParentException
{
super(pType, pName, pParent);
mDeploymentDescriptor = pDeploymentDescriptor;
}
// Public --------------------------------------------------------
// javax.management.j2ee.J2EEDeployedObject implementation -------
/**
* @jmx:managed-attribute
*/
public String getdeploymentDescriptor()
{
return mDeploymentDescriptor;
}
/**
* @jmx:managed-attribute
*/
public String getserver()
{
//[TODO] Need to be implemented
return "unknown server name";
}
// java.lang.Object overrides ------------------------------------
public String toString()
{
return "J2EEDeployedObject { " + super.toString() + " } [ " +
"deployment descriptor: " + mDeploymentDescriptor +
" ]";
}
// Package protected ---------------------------------------------
// Protected -----------------------------------------------------
// Private -------------------------------------------------------
// Inner classes -------------------------------------------------
}