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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
GroovyMBean.java | 0% | 0% | 0% | 0% |
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/*
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$Id: GroovyMBean.java,v 1.3 2004/07/31 03:39:28 jstrachan Exp $
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Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
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Redistribution and use of this software and associated documentation
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("Software"), with or without modification, are permitted provided
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that the following conditions are met:
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1. Redistributions of source code must retain copyright
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statements and notices. Redistributions must also contain a
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copy of this document.
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2. Redistributions in binary form must reproduce the
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above copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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3. The name "groovy" must not be used to endorse or promote
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products derived from this Software without prior written
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permission of The Codehaus. For written permission,
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please contact info@codehaus.org.
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4. Products derived from this Software may not be called "groovy"
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nor may "groovy" appear in their names without prior written
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permission of The Codehaus. "groovy" is a registered
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trademark of The Codehaus.
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5. Due credit should be given to The Codehaus -
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http://groovy.codehaus.org/
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THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
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NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package groovy.util;
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import groovy.lang.GroovyObjectSupport;
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import groovy.lang.GroovyRuntimeException;
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import java.util.HashMap;
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import java.util.Map;
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import java.io.IOException;
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import javax.management.Attribute;
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import javax.management.JMException;
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import javax.management.MBeanException;
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import javax.management.MBeanInfo;
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import javax.management.MBeanOperationInfo;
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import javax.management.MBeanParameterInfo;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import javax.management.MBeanServerConnection;
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/**
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* A GroovyObject facade for an underlying MBean which acts like a normal
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* groovy object but which is actually implemented via
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* an underlying JMX MBean.
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* Properties and normal method invocations
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* delegate to the MBeanServer to the actual MBean.
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*
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* @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
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* @version $Revision: 1.3 $
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*/
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public class GroovyMBean extends GroovyObjectSupport { |
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private MBeanServerConnection server;
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private ObjectName name;
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private MBeanInfo beanInfo;
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private Map operations = new HashMap(); |
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public GroovyMBean(MBeanServerConnection server, ObjectName name) throws JMException, IOException { |
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this.server = server;
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this.name = name;
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this.beanInfo = server.getMBeanInfo(name);
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MBeanOperationInfo[] operationInfos = beanInfo.getOperations(); |
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for (int i = 0; i < operationInfos.length; i++ ) { |
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MBeanOperationInfo info = operationInfos[i]; |
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operations.put(info.getName(), createSignature(info)); |
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} |
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} |
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public MBeanServerConnection server() {
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return server;
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} |
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public ObjectName name() {
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return name;
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} |
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public MBeanInfo info() {
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return beanInfo;
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} |
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public Object getProperty(String property) {
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try {
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return server.getAttribute(name, property);
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} |
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catch (MBeanException e) {
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throw new GroovyRuntimeException("Could not access property: " + property + ". Reason: " + e, e.getTargetException()); |
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} |
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catch (Exception e) {
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throw new GroovyRuntimeException("Could not access property: " + property + ". Reason: " + e, e); |
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} |
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} |
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public void setProperty(String property, Object value) { |
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try {
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server.setAttribute(name, new Attribute(property, value));
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} |
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catch (MBeanException e) {
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throw new GroovyRuntimeException("Could not set property: " + property + ". Reason: " + e, e.getTargetException()); |
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} |
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catch (Exception e) {
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throw new GroovyRuntimeException("Could not set property: " + property + ". Reason: " + e, e); |
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} |
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} |
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public Object invokeMethod(String method, Object arguments) {
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String[] signature = (String[]) operations.get(method); |
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if (signature != null) { |
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Object[] argArray = null;
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if (arguments instanceof Object[]) { |
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argArray = (Object[]) arguments; |
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} |
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else {
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argArray = new Object[] { arguments };
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} |
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try {
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return server.invoke(name, method, argArray, signature);
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} |
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catch (MBeanException e) {
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throw new GroovyRuntimeException("Could not invoke method: " + method + ". Reason: " + e, e.getTargetException()); |
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} |
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catch (Exception e) {
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throw new GroovyRuntimeException("Could not invoke method: " + method + ". Reason: " + e, e); |
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} |
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} |
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else {
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return super.invokeMethod(method, arguments); |
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} |
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} |
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protected String[] createSignature(MBeanOperationInfo info) {
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MBeanParameterInfo[] params = info.getSignature(); |
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String[] answer = new String[params.length];
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for (int i = 0; i < params.length; i++) { |
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answer[i] = params[i].getType(); |
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} |
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return answer;
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} |
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} |
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