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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.tuscany.container.javascript.utils.xmlfromxsd;
/**
* 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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