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/**
*
* Copyright 2006 The Apache Software Foundation or its licensors as applicable
*
* Licensed 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.tuscany.tools.xmlfromxsd.generate;
/**
* This class provides a generic command line arguments processing utility. The processArgs
* method of this class processes the command line arguments that could contain option flags,
* options and values and calls a ArgumentHanlder instance for handling the agruments.
*
*/
public class CmdLineArgsProcessor
{
private String printUsageMessage = "No hints available on Usage!";
private CmdLineArgsHandler argsHandler = null;
public static final String HYPEN = "-";
public void processArgs(String[] args)
{
try
{
if (args.length == 0)
{
printUsage();
}
else
{
parseAndHandleArgs(args);
}
}
catch ( Exception e )
{
System.out.println("Exception in processing argument - " + e);
printUsage();
}
}
public void parseAndHandleArgs(String[] args) throws Exception
{
int index = 0;
while ( index < args.length - 1 )
{
if ( args[index].startsWith(HYPEN) && !args[ index + 1 ].startsWith(HYPEN) )
{
argsHandler.handleArgument(args[index].substring(1), args[index + 1]);
index = index + 2;
}
else
{
throw new IllegalArgumentException("Wrong Usage of options!");
}
}
}
protected void printUsage()
{
}
public CmdLineArgsHandler getArgsHandler()
{
return argsHandler;
}
public void setArgsHandler(CmdLineArgsHandler argsHandler)
{
this.argsHandler = argsHandler;
}
public String getPrintUsageMessage()
{
return printUsageMessage;
}
public void setPrintUsageMessage(String printUsageMessage)
{
this.printUsageMessage = printUsageMessage;
}
}
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