/**
* 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.command;
import java.io.InputStream;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.activemq.console.CommandContext;
import org.apache.activemq.console.command.store.amq.AMQJournalToolCommand;
import org.apache.activemq.console.formatter.CommandShellOutputFormatter;
public class ShellCommand extends AbstractCommand {
private boolean interactive;
private String[] helpFile;
public ShellCommand() {
this(false);
}
public ShellCommand(boolean interactive) {
this.interactive = interactive;
this.helpFile = new String[] {
interactive ? "Usage: [task] [task-options] [task data]" : "Usage: Main [--extdir <dir>] [task] [task-options] [task data]",
"",
"Tasks (default task is start):",
" start - Creates and starts a broker using a configuration file, or a broker URI.",
" create - Creates a runnable broker instance in the specified path",
" stop - Stops a running broker specified by the broker name.",
" list - Lists all available brokers in the specified JMX context.",
" query - Display selected broker component's attributes and statistics.",
" browse - Display selected messages in a specified destination.",
" journal-audit - Allows you to view records stored in the persistent journal.",
"",
"Task Options (Options specific to each task):",
" --extdir <dir> - Add the jar files in the directory to the classpath.",
" --version - Display the version information.",
" -h,-?,--help - Display this help information. To display task specific help, use " + (interactive ? "" : "Main ") + "[task] -h,-?,--help",
"",
"Task Data:",
" - Information needed by each specific task.",
""
};
}
/**
* Main method to run a command shell client.
*
* @param args - command line arguments
* @param in - input stream to use
* @param out - output stream to use
* @return 0 for a successful run, -1 if there are any exception
*/
public static int main(String[] args, InputStream in, PrintStream out) {
CommandContext context = new CommandContext();
context.setFormatter(new CommandShellOutputFormatter(out));
// Convert arguments to list for easier management
List<String> tokens = new ArrayList<String>(Arrays.asList(args));
ShellCommand main = new ShellCommand();
try {
main.setCommandContext(context);
main.execute(tokens);
return 0;
} catch (Exception e) {
context.printException(e);
return -1;
}
}
public boolean isInteractive() {
return interactive;
}
public void setInteractive(boolean interactive) {
this.interactive = interactive;
}
/**
* Parses for specific command task.
*
* @param tokens - command arguments
* @throws Exception
*/
protected void runTask(List<String> tokens) throws Exception {
// Process task token
if (tokens.size() > 0) {
Command command=null;
String taskToken = (String)tokens.remove(0);
if (taskToken.equals("start")) {
command = new StartCommand();
} else if (taskToken.equals("create")) {
command = new CreateCommand();
} else if (taskToken.equals("stop")) {
command = new ShutdownCommand();
} else if (taskToken.equals("list")) {
command = new ListCommand();
} else if (taskToken.equals("query")) {
command = new QueryCommand();
} else if (taskToken.equals("bstat")) {
command = new BstatCommand();
} else if (taskToken.equals("browse")) {
command = new AmqBrowseCommand();
} else if (taskToken.equals("purge")) {
command = new PurgeCommand();
} else if (taskToken.equals("journal-audit")) {
command = new AMQJournalToolCommand();
} else if (taskToken.equals("help")) {
printHelp();
} else {
printHelp();
}
if( command!=null ) {
command.setCommandContext(context);
command.execute(tokens);
}
} else {
printHelp();
}
}
/**
* Print the help messages for the browse command
*/
protected void printHelp() {
context.printHelp(helpFile);
}
}