- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2000-2002 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Ant", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Group.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- package org.apache.commons.modeler.ant;
-
- import java.net.URL;
- import java.util.ArrayList;
- import java.util.List;
-
- import javax.management.JMException;
- import javax.management.MBeanServer;
- import javax.management.MBeanServerFactory;
- import javax.management.ObjectName;
- import javax.management.loading.MLet;
-
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
- import org.apache.tools.ant.BuildException;
- import org.apache.tools.ant.Task;
-
- /**
- * Load an MBean. The syntax is similar with the <mlet>, with few
- * ant-specific extensions.
- *
- * A separate classloader can be used, the mechanism is similar with
- * what taskdef is using.
- *
- * Note that mlet will use the arguments in the constructor.
- *
- *
- */
- public class MLETTask extends Task {
- private static Log log = LogFactory.getLog(MLETTask.class);
- String code;
- String archive;
- String codebase;
- String objectName;
- ObjectName oname;
-
- List args=new ArrayList();
- List attributes=new ArrayList();
-
- // ant specific
- String loaderRef; // class loader ref
-
- public MLETTask() {
- }
-
- public void addArg(Arg arg ) {
- args.add(arg);
- }
-
- public void addAttribute( JmxSet arg ) {
- attributes.add( arg );
- }
-
-
- public void setCode(String code) {
- this.code = code;
- }
-
- public void setArchive(String archive) {
- this.archive = archive;
- }
-
- public void setCodebase(String codebase) {
- this.codebase = codebase;
- }
-
- public void setName(String name) {
- this.objectName = name;
- }
-
- MBeanServer server;
-
- public MBeanServer getMBeanServer() {
- if( server!= null ) return server;
-
- server=(MBeanServer)project.getReference("jmx.server");
-
- if (server != null) return server;
-
- try {
- if( MBeanServerFactory.findMBeanServer(null).size() > 0 ) {
- server=(MBeanServer)MBeanServerFactory.findMBeanServer(null).get(0);
- } else {
- server=MBeanServerFactory.createMBeanServer();
-
- // Register a loader that will be find ant classes.
- ObjectName defaultLoader= new ObjectName("modeler-ant",
- "loader", "ant");
- MLet mlet=new MLet( new URL[0], this.getClass().getClassLoader());
- server.registerMBean(mlet, defaultLoader);
-
- if( log.isDebugEnabled())
- log.debug("Creating mbean server and loader "+ mlet +
- " " + this.getClass().getClassLoader());
- }
- project.addReference("jmx.server", server);
-
- // Create the MLet object
- } catch( JMException ex ) {
- log.error("Error creating server", ex);
- }
-
- if( log.isDebugEnabled()) log.debug("Using Mserver " + server );
-
- return server;
- }
-
- boolean modeler=false;
-
- public void setModeler(boolean modeler) {
- this.modeler = modeler;
- }
-
- protected void bindJmx(String objectName, String code,
- String arg0, List args)
- throws Exception
- {
- MBeanServer server=getMBeanServer();
- oname=new ObjectName( objectName );
- if( modeler ) {
- Arg codeArg=new Arg();
- codeArg.setType("java.lang.String");
- codeArg.setValue( code );
- if( args==null) args=new ArrayList();
- args.add(0, codeArg);
- code="org.apache.commons.modeler.BaseModelMBean";
- }
-
- Object argsA[]=new Object[ args.size()];
- String sigA[]=new String[args.size()];
- for( int i=0; i<args.size(); i++ ) {
- Arg arg=(Arg)args.get(i);
- if( arg.type==null )
- arg.type="java.lang.String";
- sigA[i]=arg.getType();
- argsA[i]=arg.getValue();
- // XXX Deal with not string types - IntrospectionUtils
- }
-
- // XXX Use the loader ref, if any
- if( args.size()==0 ) {
- server.createMBean(code, oname);
- } else {
- server.createMBean(code, oname, argsA, sigA );
- }
- log.debug( "Created MBEAN " + oname + " " + code);
- }
-
- public ObjectName getObjectName() {
- return oname;
- }
-
- public void execute() throws BuildException {
- try {
- // create the mbean
- bindJmx( objectName, code, null, args);
-
- // process attributes
- for( int i=0; i<attributes.size(); i++ ) {
- JmxSet att=(JmxSet)attributes.get(i);
- att.setObjectName( oname );
- log.info("Setting attribute " + oname + " " + att.getName());
- att.execute();
- }
- } catch(Exception ex) {
- log.error("Can't create mbean " + objectName, ex);
- }
- }
-
- }