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1 package org.jicengine;
2 import org.jicengine.io.Resource;
3 import java.util.Map  ;
4 import org.xml.sax.SAXException ;
5 import java.io.IOException ;
6
7
26
27 public class JICEngine {
28
29 private static Builder INSTANCE = new org.jicengine.builder.BuilderImpl();
30
31
34 public static Builder getBuilder()
35 {
36 return INSTANCE;
37 }
38
39 private JICEngine()
40 {
41 }
42
43
60 public static Object build(Instructions instructions) throws IOException , SAXException , JICException
61 {
62 return getBuilder().build(instructions);
63 }
64
65
68 public static Object build(Resource jicFile, Map buildParameters) throws IOException , SAXException , JICException
69 {
70 return build(new Instructions(jicFile, buildParameters));
71 }
72
73 public static Object build(Resource jicFile) throws IOException , SAXException , JICException
74 {
75 return build(jicFile, null);
76 }
77
78
86 public static void main(String [] args) throws Exception
87 {
88 if( args.length == 0 ){
89 throw new IllegalArgumentException ("Usage: java org.jicengine.JICE -jic jic-file [-param name1 value1] [-param name2 value2] ..");
90 }
91
92 String jicFile = null;
93 Map parameters = new java.util.HashMap ();
94
95
96 for (int i = 0; i < args.length; i++) {
97 String arg = args[i];
98
99 if( arg.startsWith("-") ){
100 String name = arg.substring(1);
102
103 if( name.equals("jic") ){
104 i++;
105 jicFile = getArgument(args, i, "expected '-jic' to be followed by a path.");
106 }
107 else if( name.equals("param") ){
108 i++;
109 String paramName = getArgument(args, i, "expected '-param' to be followed by the param name.");
110 i++;
111 String paramValue = getArgument(args, i, "expected '-param " + paramName + " to be followed by the param value.");
112 parameters.put(paramName, paramValue);
113 }
114 else {
115 throw new IllegalArgumentException ("unknown argument: " + name);
116 }
117 }
118 else {
119 throw new IllegalArgumentException ("expected an argument-name starting with '-', got '" + arg + "'");
120 }
121 }
122
123 if( jicFile == null ){
124 throw new IllegalArgumentException ("argument -jic [jic-file] not specified.");
125 }
126
127 long now = System.currentTimeMillis();
128 Object result = build(new org.jicengine.io.FileResource(new java.io.File (jicFile)), parameters);
129 long elapsed = System.currentTimeMillis() - now;
130 System.out.println("[JICE]: '" + jicFile + "' processed in " + elapsed + " ms. result:");
131 System.out.println(" " + result);
132 if( result != null ){
133 System.out.println(" [" + result.getClass().getName() + "]");
134 }
135 }
136
137 private static String getArgument(String [] args, int index, String errorMessage)
138 {
139 try {
140 return args[index];
141 } catch (ArrayIndexOutOfBoundsException e){
142 throw new IllegalArgumentException (errorMessage);
143 }
144 }
145 }
146 |
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