Java tutorial
/* * Copyright 2010 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.custardsource.maven.plugins.jmx; import org.apache.commons.beanutils.ConvertUtilsBean; import org.apache.commons.lang.ClassUtils; import org.apache.commons.lang.StringUtils; import org.apache.maven.plugin.MojoExecutionException; import javax.management.MBeanServerConnection; import javax.management.ObjectName; public class Invoke implements Action { private String objectName; private String operation; private Parameter[] parameters; @Override public void validate() throws MojoExecutionException { if (StringUtils.isEmpty(objectName)) { throw new MojoExecutionException("objectName can't be empty"); } if (StringUtils.isEmpty(operation)) { throw new MojoExecutionException("operation can't be empty"); } } @Override public Object execute(MBeanServerConnection connection) throws Exception { ObjectName name = new ObjectName(objectName); int len = parameters == null ? 0 : parameters.length; String[] signature = new String[len]; Object[] arguments = new Object[len]; ConvertUtilsBean converter = new ConvertUtilsBean(); for (int i = 0; i < len; i++) { signature[i] = parameters[i].getType(); arguments[i] = converter.convert(parameters[i].getValue(), ClassUtils.getClass(parameters[i].getType())); if (signature[i].equals("java.lang.String") && arguments[i] == null) { arguments[i] = ""; } } return connection.invoke(name, operation, arguments, signature); } public String getObjectName() { return objectName; } public String getOperation() { return operation; } public Parameter[] getParameters() { return parameters; } public static class Parameter { private String value; private String type; public String getValue() { return value; } public String getType() { return type; } } @Override public String toString() { return "Invoke{" + "objectName='" + objectName + '\'' + ", operation='" + operation + '\'' + '}'; } }