1
|
/**
|
2
|
* '$RCSfile$'
|
3
|
* Copyright: 2000-2005 Regents of the University of California and the
|
4
|
* National Center for Ecological Analysis and Synthesis
|
5
|
*
|
6
|
* '$Author: leinfelder $'
|
7
|
* '$Date: 2013-09-23 15:54:55 -0700 (Mon, 23 Sep 2013) $'
|
8
|
* '$Revision: 8265 $'
|
9
|
*
|
10
|
* This program is free software; you can redistribute it and/or modify
|
11
|
* it under the terms of the GNU General Public License as published by
|
12
|
* the Free Software Foundation; either version 2 of the License, or
|
13
|
* (at your option) any later version.
|
14
|
*
|
15
|
* This program is distributed in the hope that it will be useful,
|
16
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
17
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
18
|
* GNU General Public License for more details.
|
19
|
*
|
20
|
* You should have received a copy of the GNU General Public License
|
21
|
* along with this program; if not, write to the Free Software
|
22
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
23
|
*/
|
24
|
|
25
|
package edu.ucsb.nceas.metacat.lsid;
|
26
|
|
27
|
import java.io.IOException;
|
28
|
import java.io.InputStream;
|
29
|
import java.net.MalformedURLException;
|
30
|
import java.net.URL;
|
31
|
import java.util.ResourceBundle;
|
32
|
import java.util.StringTokenizer;
|
33
|
|
34
|
import org.apache.commons.logging.Log;
|
35
|
import org.apache.commons.logging.LogFactory;
|
36
|
|
37
|
import com.ibm.lsid.LSID;
|
38
|
import com.ibm.lsid.server.LSIDServerException;
|
39
|
|
40
|
public class LSIDDataLookup
|
41
|
{
|
42
|
public static final int UNKNOWN = 1;
|
43
|
public static final int ABSTRACT = 2;
|
44
|
public static final int CONCRETE = 4;
|
45
|
|
46
|
private static Log logger = LogFactory
|
47
|
.getLog("edu.ucsb.nceas.metacat.lsid");
|
48
|
|
49
|
public LSIDDataLookup() throws LSIDServerException
|
50
|
{
|
51
|
logger.info("Creating LSIDDataLookup (Metacat).");
|
52
|
}
|
53
|
|
54
|
public String getDocType(LSID lsid) {
|
55
|
// example
|
56
|
//http://metacat.nceas.ucsb.edu/metacat/metacat?action=getrevisionanddoctype&docid=knb-lter-gce.109.6
|
57
|
// returns rev;doctype
|
58
|
|
59
|
String _docType = null;
|
60
|
String ns = lsid.getNamespace();
|
61
|
String id = lsid.getObject();
|
62
|
String ver = lsid.getRevision();
|
63
|
InputStream docStream = null;
|
64
|
|
65
|
ResourceBundle rb = ResourceBundle.getBundle("metacat-lsid");
|
66
|
String theServer = rb.getString("metacatserver");
|
67
|
logger.debug("the server is " + theServer);
|
68
|
|
69
|
String url = theServer + "?action=getrevisionanddoctype&docid=";
|
70
|
url = url + ns + "." + id + "." + ver;
|
71
|
try {
|
72
|
URL theDoc = new URL(url);
|
73
|
docStream = theDoc.openStream();
|
74
|
|
75
|
StringTokenizer _st = new StringTokenizer(LSIDAuthorityMetaData.
|
76
|
getStringFromInputStream(
|
77
|
docStream), ";");
|
78
|
_st.nextToken();
|
79
|
_docType = _st.nextToken();
|
80
|
docStream.close();
|
81
|
}
|
82
|
catch (MalformedURLException mue) {
|
83
|
logger.error("MalformedURLException in LSIDDataLookup: " + mue);
|
84
|
mue.printStackTrace();
|
85
|
}
|
86
|
catch (IOException ioe) {
|
87
|
logger.error("IOException in LSIDDataLookup: " + ioe);
|
88
|
ioe.printStackTrace();
|
89
|
}
|
90
|
return _docType;
|
91
|
}
|
92
|
|
93
|
public int lsidType(LSID lsid) throws LSIDServerException
|
94
|
{
|
95
|
|
96
|
int result = CONCRETE;
|
97
|
return result;
|
98
|
}
|
99
|
|
100
|
public InputStream lsidData(LSID lsid) throws LSIDServerException
|
101
|
{
|
102
|
String ns = lsid.getNamespace();
|
103
|
String id = lsid.getObject();
|
104
|
String ver = lsid.getRevision();
|
105
|
InputStream docStream = null;
|
106
|
|
107
|
// example metacat query
|
108
|
// http://metacat.nceas.ucsb.edu/metacat/metacat?action=read&qformat=xml&docid=knb-lter-gce.109.6
|
109
|
//
|
110
|
|
111
|
ResourceBundle rb = ResourceBundle.getBundle("metacat-lsid");
|
112
|
String theServer = rb.getString("metacatserver");
|
113
|
logger.debug("the server is " + theServer);
|
114
|
|
115
|
String url = theServer + "?action=read&qformat=xml&docid=";
|
116
|
url = url + ns + "." + id + "." + ver;
|
117
|
try {
|
118
|
URL theDoc = new URL(url);
|
119
|
docStream = theDoc.openStream();
|
120
|
} catch (MalformedURLException mue) {
|
121
|
logger.error("MalformedURLException in LSIDDataLookup: " + mue);
|
122
|
mue.printStackTrace();
|
123
|
} catch (IOException ioe) {
|
124
|
logger.error("IOException in LSIDDataLookup: " + ioe);
|
125
|
ioe.printStackTrace();
|
126
|
}
|
127
|
return docStream;
|
128
|
}
|
129
|
}
|