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/**
 * 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 formatter's output stream
     */
    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
     */
    @SuppressWarnings("rawtypes")
    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
     */
    @SuppressWarnings("rawtypes")
    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
     */
    @SuppressWarnings("rawtypes")
    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
     */
    @SuppressWarnings("rawtypes")
    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
     */
    @SuppressWarnings("rawtypes")
    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
     */
    @SuppressWarnings("rawtypes")
    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;
    }
}