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1
46 package org.codehaus.groovy.tools;
47
48 import java.io.File  ;
49
50 import org.apache.commons.cli.CommandLine;
51 import org.apache.commons.cli.OptionBuilder;
52 import org.apache.commons.cli.Options;
53 import org.apache.commons.cli.PosixParser;
54 import org.codehaus.groovy.control.CompilationUnit;
55 import org.codehaus.groovy.control.CompilerConfiguration;
56 import org.codehaus.groovy.control.ConfigurationException;
57
58 public class FileSystemCompiler
59 {
60 private CompilationUnit unit;
61
62
63 public FileSystemCompiler( CompilerConfiguration configuration ) throws ConfigurationException
64 {
65 this.unit = new CompilationUnit( configuration );
66 }
67
68
69 public void compile( String [] paths ) throws Exception
70 {
71 unit.addSources( paths );
72 unit.compile( );
73 }
74
75
76 public void compile( File [] files ) throws Exception
77 {
78 unit.addSources( files );
79 unit.compile( );
80 }
81
82
83 public static void displayHelp()
84 {
85 System.err.println("Usage: groovy <options> <source files>");
86 System.err.println("where possible options include: ");
87 System.err.println(" --classpath <path> Specify where to find user class files");
88 System.err.println(" -d <directory> Specify where to place generated class files");
89 System.err.println(" --encoding <encoding> Specify the encoding of the user class files");
90 System.err.println(" --strict Turn on strict type safety");
91 System.err.println(" --version Print the verion");
92 System.err.println(" --help Print a synopsis of standard options");
93 System.err.println(" --exception Print stack trace on error");
94 System.err.println("");
95 }
96
97 public static void displayVersion()
98 {
99 System.err.println("groovy compiler version 1.0-rc1");
100 System.err.println("Copyright 2003-2004 The Codehaus. http://groovy.codehaus.org/");
101 System.err.println("");
102 }
103
104 public static int checkFiles( String [] filenames )
105 {
106 int errors = 0;
107
108 for(int i = 0; i < filenames.length; ++i )
109 {
110 File file = new File ( filenames[i] );
111
112 if( !file.exists() )
113 {
114 System.err.println( "error: file not found: " + file );
115 ++errors;
116 }
117 else if( !file.canRead() )
118 {
119 System.err.println( "error: file not readable: " + file );
120 ++errors;
121 } else {
122 String name = file.getName();
123 int p = name.lastIndexOf(".");
124 if ( p++ >= 0) {
125 if (name.substring(p).equals("java")) {
126 System.err.println( "error: cannot compile file with .java extension: " + file );
127 ++errors;
128 }
129 }
130 }
131 }
132
133 return errors;
134 }
135
136
137
138
142
143 public static void main( String [] args )
144 {
145 boolean displayStackTraceOnError = false;
146
147 try
148 {
149
152 Options options = new Options();
153
154 options.addOption(OptionBuilder.withLongOpt("classpath").hasArg().withArgName("classpath").create());
155 options.addOption(OptionBuilder.withLongOpt("sourcepath").hasArg().withArgName("sourcepath").create());
156 options.addOption(OptionBuilder.withLongOpt("encoding").hasArg().withArgName("encoding").create());
157 options.addOption(OptionBuilder.hasArg().create('d'));
158 options.addOption(OptionBuilder.withLongOpt("strict").create('s'));
159 options.addOption(OptionBuilder.withLongOpt("help").create('h'));
160 options.addOption(OptionBuilder.withLongOpt("version").create('v'));
161 options.addOption(OptionBuilder.withLongOpt("exception").create('e'));
162
163 PosixParser cliParser = new PosixParser();
164
165 CommandLine cli = cliParser.parse(options, args);
166
167 if( cli.hasOption('h') )
168 {
169 displayHelp();
170 return;
171 }
172
173 if( cli.hasOption('v') )
174 {
175 displayVersion();
176 }
177
178
179
182 CompilerConfiguration configuration = new CompilerConfiguration();
183
184 if( cli.hasOption("classpath") )
185 {
186 configuration.setClasspath( cli.getOptionValue("classpath") );
187 }
188
189 if( cli.hasOption('d') )
190 {
191 configuration.setTargetDirectory( cli.getOptionValue('d') );
192 }
193
194 if (cli.hasOption("encoding")) {
195 configuration.setSourceEncoding(cli.getOptionValue("encoding"));
196 }
197
198 displayStackTraceOnError = cli.hasOption('e');
199
200
201
204 String [] filenames = cli.getArgs();
205 if( filenames.length == 0 )
206 {
207 displayHelp();
208 return;
209 }
210
211 int errors = checkFiles( filenames );
212
213
214
217 if( errors == 0 )
218 {
219 FileSystemCompiler compiler = new FileSystemCompiler( configuration );
220 compiler.compile( filenames );
221 }
222 }
223 catch( Throwable e )
224 {
225 new ErrorReporter( e, displayStackTraceOnError ).write( System.err );
226 }
227 }
228
229 }
230 |
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