org.apache.catalina.ant.JMXQueryTask Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.catalina.ant;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import org.apache.tools.ant.BuildException;
/**
* Ant task that implements the JMX Query command
* (/jmxproxy/?qry) supported by the Tomcat manager application.
*
* @author Vivek Chopra
*/
public class JMXQueryTask extends AbstractCatalinaTask {
// Properties
/**
* The JMX query string
* @see #setQuery(String)
*/
protected String query = null;
// Public Methods
/**
* Get method for the JMX query string
* @return Query string
*/
public String getQuery () {
return this.query;
}
/**
* Set method for the JMX query string.
* Examples of query format:
*
* - *:*
* - *:type=RequestProcessor,*
* - *:j2eeType=Servlet,*
* - Catalina:type=Environment,resourcetype=Global,name=simpleValue
*
* @param query JMX Query string
*/
public void setQuery (String query) {
this.query = query;
}
/**
* Execute the requested operation.
*
* @exception BuildException if an error occurs
*/
@Override
public void execute() throws BuildException {
super.execute();
String queryString;
if (query == null) {
queryString = "";
} else {
try {
queryString = "?qry=" + URLEncoder.encode(query, getCharset());
} catch (UnsupportedEncodingException e) {
throw new BuildException
("Invalid 'charset' attribute: " + getCharset());
}
}
log("Query string is " + queryString);
execute ("/jmxproxy/" + queryString);
}
}