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Java > Open Source Codes > com > jcorporate > expresso > services > test > CommandLineParser


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64
65 package com.jcorporate.expresso.services.test;
66
67 import java.util.ArrayList JavaDoc;
68 import java.util.HashMap JavaDoc;
69 import java.util.StringTokenizer JavaDoc;
70
71
72 /**
73  * Parser class for parsing the command line to get config directory and
74  * webapp directory
75  * Required arguments:
76  * <pre>/configDir = <path to configDirectory></pre><br>
77  * <pre>/webAppDir = <path to web app directory></pre>
78  *
79  * @author Michael Rimov
80  * @version $Revision: 1.9 $ $Date: 2004/11/17 20:48:22 $
81  */
82 public class CommandLineParser {
83     static ArrayList JavaDoc returnValues = new ArrayList JavaDoc();
84
85     public CommandLineParser() {
86     }
87
88     /**
89      * Processes the command line arguments and
90      * returns the rest of the command line after we extract what we want.
91      */
92     public static String JavaDoc[] parseCommandLine(String JavaDoc[] args)
93             throws Exception JavaDoc {
94         HashMap JavaDoc commandArgs = new HashMap JavaDoc();
95
96         for (int i = 0; i < args.length; i++) {
97             if (args[i].indexOf("=") > 0) {
98                 parseArgv(args[i], commandArgs);
99             } else {
100                 returnValues.add(args[i]);
101             }
102         }
103         if (commandArgs.get("configDir") == null) {
104             if (System.getProperty("junit.argv.configDir") == null) {
105                 throw new Exception JavaDoc("missing configDir parameter");
106             }
107         } else {
108             System.setProperty("junit.argv.configDir",
109                     (String JavaDoc) commandArgs.get("configDir"));
110         }
111         if (commandArgs.get("webAppDir") == null) {
112             if (System.getProperty("junit.argv.webAppDir") == null) {
113                 throw new Exception JavaDoc("missing webAppDir parameter");
114             }
115         } else {
116             System.setProperty("junit.argv.webAppDir",
117                     (String JavaDoc) commandArgs.get("webAppDir"));
118         }
119         if (returnValues.isEmpty()) {
120             return null;
121         } else {
122             Object JavaDoc[] tempValues = returnValues.toArray();
123             String JavaDoc[] values = new String JavaDoc[tempValues.length];
124
125             /**
126              * @todo: Anybody know how to load up values[] from
127              * an Object[] without going through this process???
128              * Thanks. -MR
129              */
130             for (int i = 0; i < tempValues.length; i++) {
131                 values[i] = (String JavaDoc) tempValues[i];
132             }
133
134             return values;
135         }
136     }
137
138     /**
139      * Parse the command line to get things like config dir, etc.
140      *
141      * @param argv
142      * @param commandArgs - the Hashtable to put properly formatted parameters into
143      */
144     protected static void parseArgv(String JavaDoc argv, HashMap JavaDoc commandArgs) {
145         String JavaDoc paramCode = null;
146         String JavaDoc paramValue = null;
147         StringTokenizer JavaDoc stk = new StringTokenizer JavaDoc(argv, "=");
148
149         if (!stk.hasMoreTokens()) {
150             return;
151         }
152
153         paramCode = stk.nextToken();
154
155         if (!stk.hasMoreTokens()) {
156             return;
157         }
158
159         paramValue = stk.nextToken();
160         commandArgs.put(paramCode, paramValue);
161     } /* parseCommandLine(String) */
162
163 }
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