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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
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package com.sun.enterprise.cli.framework;
import java.util.Iterator;
import java.util.HashMap;
import java.util.Properties;
import java.util.StringTokenizer;
import java.util.List;
import java.util.Map;
/**
* The CLIMain contains a main that calls the appropriate
* objects in the CLI framework and invokes the command object.
* @version $Revision: 1.12 $
*/
public class CLIMain
{
// Help command and options for asadmin
private static final String HelpCommandAndOptions = "help|--help|-[?]";
private static final String VERSION_OPTION = "-V";
private static final String VERSION_COMMAND = "version";
private static final int MAX_COMMANDS_TO_DISPLAY = 75;
public static void invokeCLI(String cmdline, InputsAndOutputs io)
throws CommandException, CommandValidationException, InvalidCommandException
{
InputsAndOutputs.setInstance(io);
String[] args = splitStringToArray(cmdline);
new CLIMain().invokeCommand(args);
}
public static void main(String[] args)
{
long startTime = 0;
boolean time = false;
if (System.getProperty("com.sun.appserv.cli.timing") != null) {
time = true;
startTime = System.currentTimeMillis();
}
try
{
new CLIMain().invokeCommand(args);
if (time) {
CLILogger.getInstance().printDebugMessage(
"Command execution time: " +
(System.currentTimeMillis() - startTime) + " ms");
}
System.exit(0);
}
catch (Throwable ex)
{
CLILogger.getInstance().printExceptionStackTrace(ex);
CLILogger.getInstance().printError(ex.getLocalizedMessage());
System.exit(1);
}
}
/**
* This is the important bulk of reading the xml, validating, creating
* command vi command factory and invoke the command.
*/
public void invokeCommand(String[] args)
throws CommandException, CommandValidationException, InvalidCommandException
{
invokeCommand(args, null);
}
/**
*/
public void invokeCommand(String[] args, Object caller)
throws CommandException, CommandValidationException, InvalidCommandException
{
ValidCommand validCommand = null;
try
{
//read CLI descriptor
final CLIDescriptorsReader cliDescriptorsReader = CLIDescriptorsReader.getInstance();
if (args.length < 1)
{
cliDescriptorsReader.setSerializeDescriptorsProperty(CLIDescriptorsReader.DONT_SERIALIZE);
//pass in null as the command Name. The default command
//shall be returned, else an exception is thrown.
validCommand = cliDescriptorsReader.getCommand(null);
//set args[0] to the default command.
args = new String[] {cliDescriptorsReader.getDefaultCommand()};
}
else
{
//check if command is -V, as stated in the CLIP that
//-V is supported and it is the same as version command
if (args[0].equals(VERSION_OPTION))
args[0] = VERSION_COMMAND;
//cliDescriptorsReader.setSerializeDescriptorsProperty(CLIDescriptorsReader.SERIALIZE_COMMANDS_TO_FILE);
cliDescriptorsReader.setSerializeDescriptorsProperty(CLIDescriptorsReader.SERIALIZE_COMMANDS_TO_FILES);
//get the validCommand object from CLI descriptor
validCommand = cliDescriptorsReader.getCommand(args[0]);
}
setCommandLocalizedProperty(cliDescriptorsReader.getProperties());
//check if command is help then throw the HelpException to
//display the manpage or usage-text
if (args[0].matches(HelpCommandAndOptions))
throw new HelpException(args);
checkValidCommand(validCommand, args[0]);
//parse the command line arguments
final CommandLineParser clp = new CommandLineParser(args, validCommand);
//creates the command object using command factory
final Command command = CommandFactory.createCommand(
validCommand, clp.getOptionsMap(),
clp.getOperands());
//validate the Command with the validCommand object
new CommandValidator().validateCommandAndOptions(validCommand,
command.getOptions(),
command.getOperands());
command.setCaller(caller);
//invoke the command
command.runCommand();
return;
}
catch (HelpException he)
{
invokeHelpClass(he.getHelpClassName(), he.getCommandName(), he.getUsageText(),he.isShell());
}
catch (CommandValidationException cve )
{
//rethrow CommandValidationException with Usage Text
throw new CommandValidationException(getUsageTextFromValidCommand(validCommand)
+ "\n" + cve.getLocalizedMessage());
}
}
/**
* This method invokes the help command class.
* If help command clss is invalid then the usage text is displayed.
*/
private void invokeHelpClass(String helpClassName,
String helpCommandName,
String commandUsageText,
boolean isShell)
throws InvalidCommandException
{
try
{
Command helpCommand = null;
Class helpClass = Class.forName(helpClassName);
helpCommand = (Command)helpClass.newInstance();
helpCommand.setName(helpCommandName);
if (helpCommandName != null)
helpCommand.setOperands(new java.util.Vector(java.util.Arrays.asList(
new String[]{helpCommandName})));
if(isShell){
helpCommand.setOption("isMultiMode","true");
final String interactiveVal = (String)CommandEnvironment.getInstance().
getEnvironments().get("interactive");
//set the interactive mode
helpCommand.setOption("interactive",
interactiveVal==null?"true":interactiveVal);
}
helpCommand.runCommand();
}
catch (Exception e)
{
if (commandUsageText == null) {
//displayClosestMatch(helpCommandName, null, null);
throw new InvalidCommandException(helpCommandName);
}
else
CLILogger.getInstance().printMessage(getLocalizedString("Usage",
new Object[]{commandUsageText}));
}
}
public static void displayClosestMatch(final String commandName,
final Map moreCommands,
final String msg)
throws InvalidCommandException
{
try {
//remove leading "*" and ending "*" chars
int beginIndex = 0;
int endIndex = commandName.length();
if (commandName.startsWith("*")) beginIndex = 1;
if (commandName.endsWith("*")) endIndex = commandName.length()-1;
final String trimmedCommandName = commandName.substring(beginIndex, endIndex);
//add all matches to the search String since we want
//to search all the commands that matches the string
final String[] matchedCommands = SearchCommands.getMatchedCommands(".*"+trimmedCommandName+".*", moreCommands);
//don't want to display more than 50 commands
if (matchedCommands.length > 0 && matchedCommands.length localizePropertiesIter)
throws CommandValidationException
{
LocalStringsManagerFactory.setCommandLocalStringsManagerProperties(
localizePropertiesIter);
}
/**
* returns the localized string from the properties file
* Calls the LocalStringsManagerFactory.getFrameworkLocalStringsManager()
* method, returns "Key not found" if it cannot find the key
* @param key, the string to be localized
* @param toInsert, the strings to be inserted in the placeholders
*/
private static String getLocalizedString(String key, Object[] toInsert)
{
try
{
final LocalStringsManager lsm = LocalStringsManagerFactory.getFrameworkLocalStringsManager();
if (toInsert == null)
return lsm.getString(key);
else
return lsm.getString(key, toInsert);
}
catch (CommandValidationException cve)
{
return LocalStringsManager.DEFAULT_STRING_VALUE;
}
}
/**
* This method will split the string to array of string separted by space(s)
* If there is a quote " around the string, then the string will not be
* splitted. For example, if the string is: abcd efg "hij klm", the string
* array will contain abcd|efg|hij klm|
* @param line - string to be converted
* @return - string array
* @throws CommandException
*/
private static String[] splitStringToArray( String line )
throws CommandException
{
final CLITokenizer cliTokenizer = new CLITokenizer(line, " ");
String[] strArray = new String[cliTokenizer.countTokens()];
int ii=0;
while (cliTokenizer.hasMoreTokens())
{
strArray[ii++] = cliTokenizer.nextTokenWithoutEscapeAndQuoteChars();
CLILogger.getInstance().printDebugMessage("CLIToken = [" + strArray[ii-1] +"]");
}
return strArray;
}
}
