|
1
|
/**
|
|
2
|
* '$RCSfile$'
|
|
3
|
* Copyright: 2000 Regents of the University of California and the
|
|
4
|
* National Center for Ecological Analysis and Synthesis
|
|
5
|
*
|
|
6
|
* '$Author: jones $'
|
|
7
|
* '$Date: 2003-08-11 15:24:46 -0700 (Mon, 11 Aug 2003) $'
|
|
8
|
* '$Revision: 1784 $'
|
|
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.client;
|
|
26
|
|
|
27
|
import java.io.Reader;
|
|
28
|
|
|
29
|
/**
|
|
30
|
* This interface provides methods for initializing and logging in to a
|
|
31
|
* Metacat server, and then querying, reading, transforming, inserting,
|
|
32
|
* updating and deleting documents from that server.
|
|
33
|
*/
|
|
34
|
public interface Metacat
|
|
35
|
{
|
|
36
|
/**
|
|
37
|
* Method used to log in to a metacat server. Implementations will need
|
|
38
|
* to cache a cookie value to make the session persistent. Each time a
|
|
39
|
* call is made to one of the other methods (e.g., read), the cookie will
|
|
40
|
* need to be passed back to the metacat server along with the request.
|
|
41
|
*
|
|
42
|
* @param username the username of the user, like an LDAP DN
|
|
43
|
* @param password the password for that user for authentication
|
|
44
|
* @throws MetacatAuthException when the username/password could
|
|
45
|
* not be authenticated
|
|
46
|
*/
|
|
47
|
public void login(String username, String password)
|
|
48
|
throws MetacatAuthException, MetacatInaccessibleException;
|
|
49
|
|
|
50
|
/**
|
|
51
|
* Read an XML document from the metacat server session, accessed by docid,
|
|
52
|
* and returned as a Reader.
|
|
53
|
*
|
|
54
|
* @param docid the identifier of the document to be read
|
|
55
|
* @return a Reader for accessing the document
|
|
56
|
* @throws InsufficientKarmaException when the user has insufficent rights
|
|
57
|
* for the operation
|
|
58
|
* @throws MetacatInaccessibleException when the metacat server can not be
|
|
59
|
* reached or does not respond
|
|
60
|
* @throws MetacatException when the metacat server generates another error
|
|
61
|
*/
|
|
62
|
public Reader read(String docid) throws InsufficientKarmaException,
|
|
63
|
MetacatInaccessibleException, MetacatException;
|
|
64
|
|
|
65
|
/**
|
|
66
|
* Query the metacat document store with the given metacat-compatible
|
|
67
|
* query document, and return the result set as a Reader.
|
|
68
|
*
|
|
69
|
* @param xmlQuery a Reader for accessing the XML version of the query
|
|
70
|
* @return a Reader for accessing the result set
|
|
71
|
*/
|
|
72
|
public Reader query(Reader xmlQuery);
|
|
73
|
|
|
74
|
/**
|
|
75
|
* Insert an XML document into the repository.
|
|
76
|
*
|
|
77
|
* @param docid the docid to insert the document
|
|
78
|
* @param xmlDocument a Reader for accessing the XML document to be inserted
|
|
79
|
* @param schema a Reader for accessing the DTD or XML Schema for
|
|
80
|
* the document
|
|
81
|
* @throws InsufficientKarmaException when the user has insufficent rights
|
|
82
|
* for the operation
|
|
83
|
*/
|
|
84
|
public void insert(String docid, Reader xmlDocument, Reader schema)
|
|
85
|
throws InsufficientKarmaException;
|
|
86
|
|
|
87
|
/**
|
|
88
|
* Update an XML document in the repository.
|
|
89
|
*
|
|
90
|
* @param docid the docid to update
|
|
91
|
* @param xmlDocument a Reader for accessing the XML text to be updated
|
|
92
|
* @param schema a Reader for accessing the DTD or XML Schema for
|
|
93
|
* the document
|
|
94
|
* @throws InsufficientKarmaException when the user has insufficent rights
|
|
95
|
* for the operation
|
|
96
|
*/
|
|
97
|
public void update(String docid, Reader xmlDocument, Reader schema)
|
|
98
|
throws InsufficientKarmaException;
|
|
99
|
|
|
100
|
/**
|
|
101
|
* Delete an XML document in the repository.
|
|
102
|
*
|
|
103
|
* @param docid the docid to delete
|
|
104
|
* @throws InsufficientKarmaException when the user has insufficent rights
|
|
105
|
* for the operation
|
|
106
|
*/
|
|
107
|
public void delete(String docid)
|
|
108
|
throws InsufficientKarmaException;
|
|
109
|
|
|
110
|
/**
|
|
111
|
* When the MetacatFactory creates an instance it needs to set the
|
|
112
|
* MetacatUrl to which connections should be made.
|
|
113
|
*
|
|
114
|
* @param metacatUrl the URL for the metacat server
|
|
115
|
*/
|
|
116
|
public void setMetacatUrl(String metacatUrl);
|
|
117
|
}
|