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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.
*
*/
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* 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.qpid.utils;
import java.util.Map;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.StringTokenizer;
public class CommandLineOptionParser {
private static int STARTED = 0;
private static int NEW_OPTION = 1;
private static int SUB_PARAM_OF_OPTION = 2;
private Map commandlineoption;
private String commandname;
public CommandLineOptionParser(Map commandlineoptions) {
this.commandlineoption = commandlineoptions;
}
public CommandLineOptionParser(String[] args) {
/* check whether user just type the enter key */
this.commandlineoption = this.parse(args);
}
public CommandLineOptionParser(String[] args, String first) {
this.commandname = first;
this.commandlineoption = this.parsefirst(args);
}
public Map parse(String[] args) {
Map commandLineOptions = new HashMap();
if (0 == args.length) {
return commandLineOptions;
} else if (1 == args.length) {
commandname = args[0];
return commandLineOptions;
}
/* when user is not giving the command line option with a "=" */
// if (!args[2].startsWith("-"))
// return commandLineOptions;
//State 0 means started
//State 1 means earlier one was a new -option
//State 2 means earlier one was a sub param of a -option
int state = STARTED;
ArrayList optionBundle = null;
String optionType = null;
CommandLineOption commandLineOption;
String newcommand = "";
String[] newargs;
int j;
if (args[1].compareTo("list") == 0 || args[1].compareTo("info") == 0 || args[1].compareTo("delete") == 0 ||
args[1].compareTo("move") == 0 || args[1].compareTo("view") == 0 || args[1].compareTo("viewcontent") == 0) {
String object = args[0];
for (j = 0; j < (args.length - 1); j++) {
newcommand = newcommand + args[j + 1] + " ";
}
newcommand = newcommand + "-o " + object;
newargs = newcommand.split(" ");
args = newargs;
} else
if (!args[1].startsWith("-")) //if user give command like list queue or something without minus argument
return commandLineOptions; //for the second wordxi
commandname = args[0];
for (int i = 0; i < args.length; i++) {
if (args[i].startsWith("-")) {
if (STARTED == state) {
// fresh one
state = NEW_OPTION;
optionType = args[i];
} else if (SUB_PARAM_OF_OPTION == state || NEW_OPTION == state) {
// new one but old one should be saved
commandLineOption =
new CommandLineOption(optionType, optionBundle);
commandLineOptions.put(commandLineOption.getOptionType(),
commandLineOption);
state = NEW_OPTION;
optionType = args[i];
optionBundle = null;
}
} else {
if (NEW_OPTION == state) {
optionBundle = new ArrayList();
optionBundle.add(args[i]);
state = SUB_PARAM_OF_OPTION;
} else if (SUB_PARAM_OF_OPTION == state) {
optionBundle.add(args[i]);
}
}
}
commandLineOption = new CommandLineOption(optionType, optionBundle);
commandLineOptions.put(commandLineOption.getOptionType(), commandLineOption);
return commandLineOptions;
}
public Map parsefirst(String[] args) {
Map commandLineOptions = new HashMap();
if (0 == args.length) {
return commandLineOptions;
} else if (1 == args.length) {
return commandLineOptions;
}
/* when user is not giving the command line option with a "=" */
// if (!args[2].startsWith("-"))
// return commandLineOptions;
//State 0 means started
//State 1 means earlier one was a new -option
//State 2 means earlier one was a sub param of a -option
int state = STARTED;
ArrayList optionBundle = null;
String optionType = null;
CommandLineOption commandLineOption;
String newcommand = "";
String[] newargs;
int j;
for (int i = 0; i < args.length; i++) {
if (args[i].startsWith("-")) {
if (STARTED == state) {
// fresh one
state = NEW_OPTION;
optionType = args[i];
} else if (SUB_PARAM_OF_OPTION == state || NEW_OPTION == state) {
// new one but old one should be saved
commandLineOption =
new CommandLineOption(optionType, optionBundle);
commandLineOptions.put(commandLineOption.getOptionType(),
commandLineOption);
state = NEW_OPTION;
optionType = args[i];
optionBundle = null;
}
} else {
if (NEW_OPTION == state) {
optionBundle = new ArrayList();
optionBundle.add(args[i]);
state = SUB_PARAM_OF_OPTION;
} else if (SUB_PARAM_OF_OPTION == state) {
optionBundle.add(args[i]);
}
}
}
commandLineOption = new CommandLineOption(optionType, optionBundle);
commandLineOptions.put(commandLineOption.getOptionType(), commandLineOption);
return commandLineOptions;
}
public Map getAlloptions() {
return this.commandlineoption;
}
public String getcommandname() {
return this.commandname;
}
private static String removeSpaces(String s) {
StringTokenizer st = new StringTokenizer(s, " ", false);
String t = "";
while (st.hasMoreElements()) t += st.nextElement();
return t;
}
}
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