01: /*
02: * @(#)DirClassMetaDataReader.java
03: *
04: * Copyright (C) 2002-2003 Matt Albrecht
05: * groboclown@users.sourceforge.net
06: * http://groboutils.sourceforge.net
07: *
08: * Permission is hereby granted, free of charge, to any person obtaining a
09: * copy of this software and associated documentation files (the "Software"),
10: * to deal in the Software without restriction, including without limitation
11: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12: * and/or sell copies of the Software, and to permit persons to whom the
13: * Software is furnished to do so, subject to the following conditions:
14: *
15: * The above copyright notice and this permission notice shall be included in
16: * all copies or substantial portions of the Software.
17: *
18: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24: * DEALINGS IN THE SOFTWARE.
25: */
26:
27: package net.sourceforge.groboutils.codecoverage.v2.datastore;
28:
29: import java.io.IOException;
30:
31: import net.sourceforge.groboutils.codecoverage.v2.IAnalysisModule;
32:
33: /**
34: * Knows how to operate the repository for the meta-data.
35: *
36: * @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
37: * @version $Date: 2004/04/15 05:48:26 $
38: * @since December 16, 2002
39: */
40: public class DirClassMetaDataReader implements IClassMetaDataReader {
41: private DirMetaDataIO store;
42: private IAnalysisModule am;
43: private AnalysisModuleSet ams;
44:
45: DirClassMetaDataReader(IAnalysisModule module, DirMetaDataIO data)
46: throws IOException {
47: if (data == null || module == null) {
48: throw new IllegalArgumentException("no null args");
49: }
50: this .store = data;
51: this .am = module;
52: this .ams = data.getAnalysisModuleSet();
53: }
54:
55: /**
56: * Returns the class record for the class with this particular signature.
57: */
58: public ClassRecord readClass(String classSignature)
59: throws IOException {
60: if (classSignature == null) {
61: throw new IllegalArgumentException("no null args");
62: }
63: checkClose();
64: return this .store.getClassRecord(this .ams, this .am,
65: classSignature);
66: }
67:
68: /**
69: * Returns all classes known for this particular data set.
70: */
71: public String[] getClassSignatures() throws IOException {
72: checkClose();
73: return this .store.getClassSigsForAnalysisModule(this .am);
74: }
75:
76: /**
77: * Closes this reader to prevent further access.
78: */
79: public void close() throws IOException {
80: checkClose();
81: // do not close the store!!
82: this .store = null;
83: }
84:
85: private void checkClose() throws IOException {
86: if (this .store == null) {
87: throw new IOException("Reader has already been closed.");
88: }
89: }
90:
91: protected void finalize() throws Throwable {
92: super .finalize();
93:
94: if (this .store != null) {
95: throw new IllegalStateException("Did not close reader.");
96: }
97: }
98: }
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