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ActiveMQ example source code file (CommandContext.java)

This example ActiveMQ source code file (CommandContext.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

commandcontext, illegalstateexception, illegalstateexception, io, management, no, no, outputformatter, outputformatter, outputstream, use, use, util

The ActiveMQ CommandContext.java source code

/**
 * 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.activemq.console;

import java.io.OutputStream;
import java.util.Collection;
import java.util.Map;

import javax.jms.Message;
import javax.management.AttributeList;
import javax.management.ObjectInstance;
import javax.management.ObjectName;

import org.apache.activemq.console.formatter.OutputFormatter;

public final class CommandContext {
    private OutputFormatter formatter;

    /**
     * Retrieve the output stream being used by the global formatter
     * 
     * @return
     */
    public OutputStream getOutputStream() {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        return formatter.getOutputStream();
    }

    /**
     * Print an ObjectInstance format of an mbean
     * 
     * @param mbean - mbean to print
     */
    public void printMBean(ObjectInstance mbean) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMBean(mbean);
    }

    /**
     * Print an ObjectName format of an mbean
     * 
     * @param mbean - mbean to print
     */
    public void printMBean(ObjectName mbean) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMBean(mbean);
    }

    /**
     * Print an AttributeList format of an mbean
     * 
     * @param mbean - mbean to print
     */
    public void printMBean(AttributeList mbean) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMBean(mbean);
    }

    /**
     * Print a Map format of an mbean
     * 
     * @param mbean
     */
    public void printMBean(Map mbean) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMBean(mbean);
    }

    /**
     * Print a Collection format of mbeans
     * 
     * @param mbean - collection of mbeans
     */
    public void printMBean(Collection mbean) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMBean(mbean);
    }

    /**
     * Print a Map format of a JMS message
     * 
     * @param msg
     */
    public void printMessage(Map msg) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMessage(msg);
    }

    /**
     * Print a Message format of a JMS message
     * 
     * @param msg - JMS message to print
     */
    public void printMessage(Message msg) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMessage(msg);
    }

    /**
     * Print a collection of JMS messages
     * 
     * @param msg - collection of JMS messages
     */
    public void printMessage(Collection msg) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printMessage(msg);
    }

    /**
     * Print help messages
     * 
     * @param helpMsgs - help messages to print
     */
    public void printHelp(String[] helpMsgs) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printHelp(helpMsgs);
    }

    /**
     * Print an information message
     * 
     * @param info - information message to print
     */
    public void printInfo(String info) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printInfo(info);
    }

    /**
     * Print an exception message
     * 
     * @param e - exception to print
     */
    public void printException(Exception e) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printException(e);
    }

    /**
     * Print a version information
     * 
     * @param version - version info to print
     */
    public void printVersion(String version) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.printVersion(version);
    }

    /**
     * Print a generic key value mapping
     * 
     * @param map to print
     */
    public void print(Map map) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.print(map);
    }

    /**
     * Print a generic array of strings
     * 
     * @param strings - string array to print
     */
    public void print(String[] strings) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.print(strings);
    }

    /**
     * Print a collection of objects
     * 
     * @param collection - collection to print
     */
    public void print(Collection collection) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.print(collection);
    }

    /**
     * Print a java string
     * 
     * @param string - string to print
     */
    public void print(String string) {
        if (formatter == null) {
            throw new IllegalStateException("No OutputFormatter specified. Use GlobalWriter.instantiate(OutputFormatter).");
        }
        formatter.print(string);
    }

    public OutputFormatter getFormatter() {
        return formatter;
    }

    public void setFormatter(OutputFormatter formatter) {
        this.formatter = formatter;
    }
}

Other ActiveMQ examples (source code examples)

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