|
1 |
| package photospace.meta.rdf; |
|
2 |
| |
|
3 |
| import java.io.*; |
|
4 |
| import org.apache.commons.logging.*; |
|
5 |
| import com.hp.hpl.jena.rdf.model.*; |
|
6 |
| |
|
7 |
| public class RdfTools |
|
8 |
| implements java.io.Serializable |
|
9 |
| { |
|
10 |
| private static final Log log = LogFactory.getLog(RdfTools.class); |
|
11 |
| |
|
12 |
| public static final String RDF_START = "<rdf:RDF"; |
|
13 |
| public static final String RDF_END = "</rdf:RDF>"; |
|
14 |
| |
|
15 |
0
| public static String getRdfString(String str)
|
|
16 |
| { |
|
17 |
0
| if (str == null) return null;
|
|
18 |
0
| int start = str.indexOf(RDF_START);
|
|
19 |
0
| int end = str.indexOf(RDF_END);
|
|
20 |
0
| if (start == -1) return null;
|
|
21 |
0
| if (end == -1) return null;
|
|
22 |
0
| if (end < start)
|
|
23 |
| { |
|
24 |
0
| log.warn(RDF_END + " is before " + RDF_START);
|
|
25 |
0
| return null;
|
|
26 |
| } |
|
27 |
0
| return str.substring(start, end + RDF_END.length());
|
|
28 |
| } |
|
29 |
| |
|
30 |
1
| public static String toString(Model model)
|
|
31 |
| { |
|
32 |
1
| ByteArrayOutputStream out = new ByteArrayOutputStream();
|
|
33 |
1
| model.write(out, "RDF/XML-ABBREV");
|
|
34 |
1
| return out.toString();
|
|
35 |
| } |
|
36 |
| |
|
37 |
| } |
