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1
6
7 package joseki;
8
9 import com.hp.hpl.jena.joseki.*;
10 import com.hp.hpl.jena.rdf.model.*;
11
12 import jena.cmdline.*;
13 import org.apache.commons.logging.* ;
14
15 import java.util.*;
16
17
18
24
25 public class query
26 {
27 static {
28 if ( System.getProperty("log4j.configuration") == null )
29 System.setProperty("log4j.configuration", "file:etc/log4j.properties") ;
30 } ;
31
32 static Log log = LogFactory.getLog(query.class);
33
34 public static void main(String  [] args)
35 {
36 CommandLine cmd = new CommandLine() ;
37
38 boolean verbose = false ;
39 boolean debug = false ;
40 boolean reallyDoIt = true ;
41
42
45
48 ArgDecl verboseDecl = new ArgDecl(false, "-v", "--verbose") ;
49 ArgDecl modelDecl = new ArgDecl(true, "model", "url") ;
50 ArgDecl langDecl = new ArgDecl(true, "lang") ;
51 ArgDecl debugDecl = new ArgDecl(false, "debug") ;
52 ArgDecl helpDecl = new ArgDecl(false, "help", "h") ;
53 ArgDecl formatDecl = new ArgDecl(true, "--fmt", "--format") ;
54 ArgDecl noActionDecl = new ArgDecl(false, "-n", "--noAction") ;
55
56 cmd.add(verboseDecl) ;
57 cmd.add(debugDecl) ;
58 cmd.add(helpDecl) ;
59 cmd.add(modelDecl) ;
60 cmd.add(langDecl) ;
61 cmd.add(formatDecl) ;
62 cmd.add(noActionDecl) ;
63
64 cmd.process(args) ;
65
66 if ( cmd.contains(helpDecl) )
67 {
68 usage(System.out) ;
69 System.exit(0) ;
70 }
71
72 if ( cmd.contains(verboseDecl))
73 verbose = true ;
74
75 if ( cmd.contains(noActionDecl) )
76 reallyDoIt = false ;
77
78 if ( !cmd.contains(modelDecl) )
79 {
80 System.err.println("Missing required parameter: --model") ;
81 System.exit(2) ;
82 }
83
84 String url = cmd.getArg(modelDecl).getValue() ;
85 log.debug("URL of model = '"+url+"'") ;
86
87 String lang = null ;
88 if ( cmd.contains(langDecl) )
89 lang = cmd.getArg(langDecl).getValue() ;
90
91 if ( lang != null )
92 log.debug("Language of query = '"+lang+"'") ;
93 else
94 log.debug("No --lang supplied") ;
95
96
97 String format = "N3" ;
98
99 if ( cmd.contains("format") )
100 format = cmd.getArg("format").getValue() ;
101
102
104 List paramNames = new ArrayList() ;
105 Map params = new HashMap() ;
106
107 for ( Iterator iter = cmd.items().iterator() ; iter.hasNext() ; )
108 {
109 String s = (String )iter.next();
110 int j = s.indexOf('=') ;
111 String name = s.substring(0,j) ;
112 String value = s.substring(j+1) ;
113 if ( name.equals("lang" ))
114 {
115 lang = value ;
116 continue ;
117 }
118
119 log.debug("Name = "+name+" :: Value = "+value) ;
121 params.put(name, value) ;
122 paramNames.add(name) ;
123 }
124
125 HttpQuery q = new HttpQuery(url, lang) ;
126
127 for ( Iterator iter = paramNames.iterator() ; iter.hasNext() ; )
128 {
129 String name = (String )iter.next();
130 String value = (String )params.get(name) ;
131
133 q.addParam(name,value) ;
134 }
135
136 log.debug("URL:: "+q.toString()) ;
137
138 if ( verbose )
139 System.out.println("URL:: "+q.toString()) ;
140
141 if ( !reallyDoIt )
142 System.exit(0) ;
143
144 log.debug("Attempt request") ;
145
146 Model model = null ;
147
148 try {
149 model = q.exec();
150 log.debug("200 - OK") ;
151 } catch (HttpException httpEx)
152 {
153 log.debug(httpEx.getResponseCode()+" - "+httpEx.getMessage());
154 System.err.println("Http error: "+httpEx.getResponseCode()+" - "+httpEx.getMessage()) ;
155 System.exit(1) ;
156 }
157 model.write(System.out, format) ;
158 }
159
160 static void usage(java.io.PrintStream out)
161 {
162 out.println("Usage: "+query.class.getName()+" --model URL [--lang queryLang] httpQueryString");
163 out.println(" --help Print this message") ;
164 out.println(" -n No action (don't do teh query - just build it") ;
165 out.println(" -v Verbose - print the request") ;
166 out.println(" --format fmt Print model using RDF syntax N3, RDF/XML, RDF/XML-ABBREV or N-TRIPLES") ;
167 }
168 }
169
170 |
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