01: /*
02: * (c) Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions
07: * are met:
08: * 1. Redistributions of source code must retain the above copyright
09: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. The name of the author may not be used to endorse or promote products
14: * derived from this software without specific prior written permission.
15:
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: *
27: *
28: * LazyZipEntryInputStream.java
29: *
30: * Created on November 28, 2001, 11:38 AM
31: */
32:
33: package com.hp.hpl.jena.shared.wg;
34:
35: import java.io.*;
36: import java.util.zip.*;
37:
38: /**
39: *In test cases we cannot open all the input files
40: * while creating the test suite, but must defer the
41: * opening until the test is actually run.
42: * @author jjc
43: */
44: class LazyZipEntryInputStream extends LazyInputStream {
45:
46: private ZipEntry entry;
47: private ZipFile zip;
48:
49: /** Creates new LazyZipEntryInputStream */
50: LazyZipEntryInputStream(ZipFile zip, String name) {
51: // System.err.println(name);
52: entry = new ZipEntry(name);
53: this .zip = zip;
54: }
55:
56: InputStream open() throws IOException {
57: InputStream rslt = zip.getInputStream(entry);
58: if (rslt == null)
59: throw new IllegalArgumentException(entry.getName()
60: + " cannot be opened.");
61: return rslt;
62: }
63:
64: }
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