geirm 2003/08/10 13:53:54
Added: modules/core/src/java/org/apache/geronimo/jmx JMXUtil.java
MBeanProxyFactory.java
Log:
initial import
Revision Changes Path
1.1
incubator-geronimo/modules/core/src/java/org/apache/geronimo/jmx/JMXUtil.java
Index: JMXUtil.java
===================================================================
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 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 acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Geronimo" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Geronimo", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* 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.geronimo.jmx;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
/**
* Helper class for JMX Operations
*
*
* @version $Revision: 1.1 $ $Date: 2003/08/10 20:53:54 $
*/
public class JMXUtil {
/** the ObjectName of the MBeanServerDelegate */
public static final ObjectName DELEGATE_NAME =
getObjectName("JMImplementation:type=MBeanServerDelegate");
/**
* Convert a String to an ObjectName
* @param name the name
* @return the ObjectName from that String
* @throws IllegalArgumentException if the name is malformed
*/
public static ObjectName getObjectName(String name) throws
IllegalArgumentException {
try {
return new ObjectName(name);
} catch (MalformedObjectNameException e) {
throw new IllegalArgumentException("Malformed ObjectName: " +
name);
}
}
}
1.1
incubator-geronimo/modules/core/src/java/org/apache/geronimo/jmx/MBeanProxyFactory.java
Index: MBeanProxyFactory.java
===================================================================
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 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 acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Geronimo" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Geronimo", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* 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.geronimo.jmx;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.HashMap;
import java.util.Map;
import javax.management.Attribute;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.ReflectionException;
import javax.management.RuntimeErrorException;
import javax.management.RuntimeMBeanException;
import javax.management.RuntimeOperationsException;
/**
*
*
*
* @version $Revision: 1.1 $ $Date: 2003/08/10 20:53:54 $
*/
public class MBeanProxyFactory {
public static Object getProxy(Class iface, MBeanServer server, ObjectName
name) throws InstanceNotFoundException {
assert (iface != null);
assert (iface.isInterface());
assert (server != null);
if (!server.isRegistered(name)) {
throw new InstanceNotFoundException(name.toString());
}
ClassLoader cl = iface.getClassLoader();
return Proxy.newProxyInstance(cl, new Class[]{iface}, new
LocalHandler(server, name, iface));
}
protected abstract static class AbstractHandler implements
InvocationHandler {
protected final MBeanServer server;
protected final ObjectName name;
protected final Map operationMap;
public AbstractHandler(MBeanServer server, ObjectName name, Class
iface) {
this.server = server;
this.name = name;
Method[] methods = iface.getMethods();
operationMap = new HashMap(methods.length);
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
Class returnType = method.getReturnType();
String methodName = method.getName();
Class[] paramTypes = method.getParameterTypes();
// skip non-operation methods
if (methodName.startsWith("set") && returnType == Void.TYPE
&& paramTypes.length == 1) {
continue;
} else if (methodName.startsWith("get") && paramTypes.length
== 0) {
continue;
} else if (methodName.startsWith("is") && returnType ==
Boolean.TYPE && paramTypes.length == 0) {
continue;
}
String[] paramTypeNames = new String[paramTypes.length];
for (int j = 0; j < paramTypes.length; j++) {
paramTypeNames[j] = paramTypes[j].getName();
}
operationMap.put(method, paramTypeNames);
}
}
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
try {
String methodName = method.getName();
// quick check if this is an operation
String[] params = (String[]) operationMap.get(method);
if (params != null) {
return invokeOperation(methodName, args, params);
}
if (methodName.startsWith("set")) {
setAttribute(new Attribute(methodName.substring(3),
args[0]));
return null;
} else if (methodName.startsWith("get")) {
return getAttribute(methodName.substring(3));
} else if (methodName.startsWith("is")) {
return getAttribute(methodName.substring(2));
}
} catch (Throwable t) {
Class[] declaredEx = method.getExceptionTypes();
Throwable tt = t;
while (true) {
for (int i = 0; i < declaredEx.length; i++) {
Class aClass = declaredEx[i];
if (aClass.isInstance(tt)) {
throw tt;
}
}
if (tt instanceof MBeanException) {
tt = (((MBeanException) tt).getTargetException());
} else if (tt instanceof ReflectionException) {
tt = (((ReflectionException)
tt).getTargetException());
} else if (tt instanceof RuntimeOperationsException) {
tt = (((RuntimeOperationsException)
tt).getTargetException());
} else if (tt instanceof RuntimeMBeanException) {
tt = (((RuntimeMBeanException)
tt).getTargetException());
} else if (tt instanceof RuntimeErrorException) {
tt = (((RuntimeErrorException) tt).getTargetError());
} else {
// don't know how to unwrap this, just throw it
throw tt;
}
}
}
throw new AssertionError("Method did not match during invoke");
}
protected abstract void setAttribute(Attribute attribute) throws
Exception;
protected abstract Object getAttribute(String attribute) throws
Exception;
protected abstract Object invokeOperation(String method, Object[]
args, String[] params) throws Exception;
}
protected static class LocalHandler extends AbstractHandler {
public LocalHandler(MBeanServer server, ObjectName name, Class iface)
{
super(server, name, iface);
}
protected void setAttribute(Attribute attribute) throws Exception {
server.setAttribute(name, attribute);
}
protected Object getAttribute(String attribute) throws Exception {
return server.getAttribute(this.name, attribute);
}
protected Object invokeOperation(String method, Object[] args,
String[] params) throws Exception {
return server.invoke(name, method, args, params);
}
}
}
