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package com.sun.enterprise.tools.upgrade.common;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.enterprise.tools.upgrade.common.arguments.ArgumentHandler;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.tools.upgrade.common.arguments.ARG_target;
import com.sun.enterprise.tools.upgrade.common.arguments.ARG_source;
import com.sun.enterprise.tools.upgrade.logging.LogService;
/**
* Parse the arguments for the upgrade tool
* and invoke the appropriate handler
*
* @author Hans Hrasna
*/
public class ArgsParser {
private static final Logger _logger = LogService.getLogger();
private static final StringManager sm =
StringManager.getManager(ArgsParser.class);
private CommonInfoModel commonInfo;
/** Creates a new instance of ArgsParser */
public ArgsParser() {
commonInfo = CommonInfoModel.getInstance();
}
public ArrayList<ArgumentHandler> parse(String [] args){
ArrayList<ArgumentHandler> aList = new ArrayList<ArgumentHandler>();
String tmpArg;
int srcIndx = 0;
int trgIndx = 0;
for(int i =0; i < args.length; i++){
//- System.out.println("lenght: " + args.length + "\ti: " + i);
tmpArg = args[i];
if (tmpArg.startsWith("-")){
//- strip option designator '-' or '--'
tmpArg = tmpArg.substring(tmpArg.lastIndexOf("-") + 1);
ArgumentHandler aHandler = getArgHandler(tmpArg);
if(aHandler.isRequiresParameter() && i+1 < args.length){
aHandler.setRawParameters(args[++i]);
}
aList.add(aHandler);
// --passwordfile/-f creates credential ArgumentHandlers
aList.addAll(aHandler.getChildren());
if (aHandler instanceof ARG_target){
trgIndx = aList.indexOf(aHandler);
}
if (aHandler instanceof ARG_source){
srcIndx = aList.indexOf(aHandler);
}
}
//-System.out.println(" tmpArg: " + tmpArg);
}
//- force the src location to preceed target location
//- so future processing will proceed properly.
if (srcIndx > trgIndx){
ArgumentHandler tmpA = aList.remove(srcIndx);
aList.add(trgIndx, tmpA);
}
return aList;
}
private ArgumentHandler getArgHandler(String cmd) {
ArgumentHandler aHandler = null;
Class clazz = null;
try {
clazz = Class.forName("com.sun.enterprise.tools.upgrade.common.arguments.ARG_" + cmd);
} catch (ClassNotFoundException cnf) {
try {
clazz = Class.forName("com.sun.enterprise.tools.upgrade.common.arguments.ARG_UnknownCmd");
} catch (ClassNotFoundException cnf1) {
_logger.log(Level.INFO, sm.getString(
"enterprise.tools.upgrade.cli.arg_unknow_class_not_found"));
}
} catch (Exception e1) {
_logger.log(Level.INFO, sm.getString("enterprise.tools.upgrade.cli.invalid_option",e1), e1);
}
try {
aHandler = (ArgumentHandler)clazz.getConstructor().newInstance();
aHandler.setCmd(cmd);
} catch (Exception ex) {
_logger.log(Level.INFO,
sm.getString("enterprise.tools.upgrade.cli.invalid_option",cmd), ex);
System.exit(1);
}
return aHandler;
}
}