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1
5
6 package jena ;
7
8 import java.io.* ;
9 import jena.cmdline.*;
10
11 import java.util.*;
12 import com.hp.hpl.jena.rdf.model.*;
13 import com.hp.hpl.jena.shared.*;
14 import com.hp.hpl.jena.util.FileUtils ;
15 import com.hp.hpl.jena.n3.* ;
16
17
22 public class n3
23 {
24 static boolean firstOutput = true ;
25 static boolean doNodeTest = true ;
26 static boolean doErrorTests = false ;
27
28 static int testCount = 0 ;
29
30 static boolean doRDF = false ; static boolean printRDF = false ; static String  outputLang = "N-TRIPLE" ;
33 static boolean printN3 = true ; static boolean debug = false ; static boolean verbose = false ;
36
37
39
41 public static void main(String [] args)
42 {
43 String dir = System.getProperty("user.dir") ;
44
45 String usageMessage = n3.class.getName()+
46 " [-rdf] [-base URI] [filename]" ;
47
48 CommandLine cmd = new CommandLine() ;
49 cmd.setUsage(usageMessage) ;
50 cmd.setOutput(System.err) ;
51
52
54 ArgDecl verboseDecl = new ArgDecl(false, "-v", "--verbose") ;
55 ArgDecl helpDecl = new ArgDecl(false, "-h", "--help") ;
56 ArgDecl rdfDecl = new ArgDecl(false, "-rdf", "--rdf") ;
57 ArgDecl rdfRDFN3Decl = new ArgDecl(false, "--rdf-n3") ;
58 ArgDecl rdfRDFXMLDecl = new ArgDecl(false, "--rdf-xml") ;
59 ArgDecl rdfRDFNTDecl = new ArgDecl(false, "--rdf-nt") ;
60 ArgDecl rdfRDFFormat = new ArgDecl(true, "--format", "--fmt") ;
61 ArgDecl debugDecl = new ArgDecl(false, "-debug") ;
62 ArgDecl baseDecl = new ArgDecl(true, "-base") ;
63 ArgDecl checkDecl = new ArgDecl(false, "-n", "--check") ;
65
66 cmd.add(verboseDecl) ;
67 cmd.add(helpDecl) ;
68 cmd.add(rdfDecl) ;
69 cmd.add(rdfRDFN3Decl) ;
70 cmd.add(rdfRDFXMLDecl) ;
71 cmd.add(rdfRDFNTDecl) ;
72 cmd.add(rdfRDFFormat) ;
73 cmd.add(debugDecl) ;
74 cmd.add(baseDecl) ;
75 cmd.add(checkDecl) ;
76
77 try { cmd.process(args) ; }
78 catch (IllegalArgumentException illEx) { System.exit(1) ; }
79
80 verbose = cmd.contains(verboseDecl) ;
81
82 if ( cmd.contains(helpDecl) )
83 {
84 System.out.println(usageMessage) ;
85 System.out.println("Default action: parse an N3 file") ;
86 System.out.println(" --rdf Read into an RDF and print") ;
87 System.out.println(" --rdf-n3 Read into an RDF and print in N3") ;
88 System.out.println(" --rdf-xml Read into an RDF and print in XML") ;
89 System.out.println(" --rdf-nt Read into an RDF and print in N-Triples") ;
90 System.out.println(" --format FMT Read into an RDF and print in given format") ;
91 System.out.println(" --check | -n Just check: no output") ;
92 System.out.println(" --base URI Set the base URI") ;
93 System.exit(0) ;
94 }
95
96 String baseName = null ;
97
98 if ( cmd.contains(rdfDecl) )
99 {
100 doRDF = true ;
101 printRDF = true ;
102 printN3 = false ;
103 }
104
105 if ( cmd.contains(rdfRDFN3Decl) )
106 {
107 doRDF = true ;
108 printRDF = true ;
109 outputLang = "N3" ;
110 printN3 = false ;
111 }
112
113 if ( cmd.contains(rdfRDFXMLDecl) )
114 {
115 doRDF = true ;
116 printRDF = true ;
117 outputLang = "RDF/XML-ABBREV" ;
118 printN3 = false ;
119 }
120
121 if ( cmd.contains(rdfRDFNTDecl) )
122 {
123 doRDF = true ;
124 printRDF = true ;
125 outputLang = "N-TRIPLE" ;
126 printN3 = false ;
127 }
128
129 if ( cmd.contains(rdfRDFFormat))
130 {
131 doRDF = true ;
132 printRDF = true ;
133 outputLang = cmd.getArg(rdfRDFFormat).getValue() ;
134 printN3 = false ;
135 }
136
137 if ( cmd.contains(debugDecl) )
138 {
139 debug = true ;
140 N3JenaWriter.DEBUG = true ;
141 }
142
143 if ( cmd.contains(checkDecl) )
144 {
145 printRDF = false ;
146 printN3 = false ;
147 }
148
149 if ( cmd.contains(verboseDecl) )
150 {
151 verbose = true ;
152 printN3 = true ;
153 }
154
155 if ( cmd.contains(baseDecl) )
156 baseName = cmd.getArg(baseDecl).getValue() ;
157
158
159
161 if ( cmd.items().size() == 0 )
162 {
163 if ( baseName == null )
164 baseName = "stdin:/" ;
165 doOneFile(System.in, System.out, baseName, baseName) ;
166 System.exit(0) ;
167 }
168
169
171 for ( Iterator iter = cmd.items().iterator() ; iter.hasNext() ; )
172 {
173 String filename = (String )iter.next() ;
174 InputStream in = null ;
175 try {
176 in = new FileInputStream(filename) ;
178 } catch (FileNotFoundException noEx)
179 {
180 System.err.println("File not found: "+filename) ;
181 System.exit(2) ;
182 }
183 if ( baseName == null )
184 {
185 File f = new File(filename) ;
186 baseName = "file:///"+f.getAbsolutePath() ;
187 baseName = baseName.replace('\\', '/') ;
188 }
189
190 doOneFile(in, System.out, baseName, filename) ;
191 }
192 }
193
194
195 static void doOneFile(InputStream input, OutputStream output, String baseName, String filename)
196 {
197 BufferedReader reader = FileUtils.asBufferedUTF8(input) ;
198 PrintWriter writer = FileUtils.asPrintWriterUTF8(output) ;
199
200 if ( doRDF )
201 rdfOneFile(reader, writer, baseName, filename) ;
202 else
203 parseOneFile(reader, writer, baseName, filename) ;
204 }
205
206 static void rdfOneFile(Reader reader, PrintWriter writer, String baseName, String filename)
207 {
208 try
209 {
210 Model model = ModelFactory.createDefaultModel();
211 model.read(reader, baseName, "N3") ;
214
215 if (printRDF)
216 {
217 if ( outputLang.equals("N3") )
218 {
219 writer.print("# Jena N3->RDF->"+outputLang+" : " + filename);
220 writer.println() ;
221 writer.println() ;
222 }
223 model.write(writer, outputLang, baseName) ;
226 writer.flush();
227 }
228 } catch (JenaException rdfEx)
229 {
230 Throwable cause = rdfEx.getCause();
231 N3Exception n3Ex = (N3Exception)
232 (rdfEx instanceof N3Exception ? rdfEx
233 : cause instanceof N3Exception ? cause
234 : null);
235 if ( n3Ex != null )
236 System.err.println(n3Ex.getMessage()) ;
237 else
238 {
239 Throwable th = (cause == null ? rdfEx : cause);
240 System.err.println( th.getMessage() ) ;
241 th.printStackTrace( System.err );
242 }
243 System.exit(7) ;
244 }
245 }
246
247
248 static private void parseOneFile(Reader reader, PrintWriter writer, String baseName, String filename)
249 {
250 N3ParserEventHandler handler = null ;
251
252 handler = null ;
253
254 if ( printN3 || debug )
255 {
256 N3EventPrinter p = new N3EventPrinter(writer) ;
258 if ( verbose )
259 p.printStartFinish = true ;
260 handler = p ;
261 }
262 else
263 handler = new N3ErrorPrinter(writer) ;
264
265 try {
266 N3Parser n3Parser = new N3Parser(reader, handler) ;
267 n3Parser.parse() ;
268 } catch (antlr.RecognitionException ex)
269 {
270 System.exit(9) ;
276 }
277 catch ( antlr.TokenStreamException tokEx)
278 {
279 System.exit(9) ;
280 }
281 }
282 }
283
284
310
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