Skip to main content
aboutsummaryrefslogtreecommitdiffstats
blob: e5ad45a725343a199b57858ac2e6c3e71d8827d8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.debug.core.sourcelookup.containers;


import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.internal.core.sourcelookup.SourceLookupMessages;
 
/**
 * Storage implementation for zip entries.
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 * @see IStorage
 * @since 3.0
 */
public class ZipEntryStorage extends PlatformObject implements IStorage {
	
	/**
	 * Zip file associated with zip entry
	 */
	private ZipFile fArchive;
	
	/**
	 * Zip entry
	 */
	private ZipEntry fZipEntry;
	
	/**
	 * Constructs a new storage implementation for the
	 * given zip entry in the specified zip file
	 * 
	 * @param archive zip file
	 * @param entry zip entry
	 */
	public ZipEntryStorage(ZipFile archive, ZipEntry entry) {
		setArchive(archive);
		setZipEntry(entry);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.resources.IStorage#getContents()
	 */
	public InputStream getContents() throws CoreException {
		try {
			return getArchive().getInputStream(getZipEntry());
		} catch (IOException e) {
			throw new CoreException(new Status(IStatus.ERROR, DebugPlugin.getUniqueIdentifier(), DebugPlugin.INTERNAL_ERROR, SourceLookupMessages.getString("ZipEntryStorage.0"), e)); //$NON-NLS-1$
		}
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.resources.IStorage#getFullPath()
	 */
	public IPath getFullPath() {
		return new Path(getArchive().getName()).append(getZipEntry().getName());
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.resources.IStorage#getName()
	 */
	public String getName() {
		int index = getZipEntry().getName().lastIndexOf('\\');
		if (index == -1) {
			index = getZipEntry().getName().lastIndexOf('/');
		}
		if (index == -1) {
			return getZipEntry().getName();
		} 
		return getZipEntry().getName().substring(index + 1);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.core.resources.IStorage#isReadOnly()
	 */
	public boolean isReadOnly() {
		return true;
	}
	
	/**
	 * Sets the archive containing the zip entry.
	 * 
	 * @param archive a zip file
	 */
	private void setArchive(ZipFile archive) {
		fArchive = archive;
	}
	
	/**
	 * Returns the archive containing the zip entry.
	 * 
	 * @return zip file
	 */
	public ZipFile getArchive() {
		return fArchive;
	}	
	
	/**
	 * Sets the entry that contains the source.
	 * 
	 * @param entry the entry that contains the source
	 */
	private void setZipEntry(ZipEntry entry) {
		fZipEntry = entry;
	}
	
	/**
	 * Returns the entry that contains the source
	 * 
	 * @return zip entry
	 */
	public ZipEntry getZipEntry() {
		return fZipEntry;
	}		

	/* (non-Javadoc)
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	public boolean equals(Object object) {		
		return object instanceof ZipEntryStorage &&
			 getArchive().equals(((ZipEntryStorage)object).getArchive()) &&
			 getZipEntry().getName().equals(((ZipEntryStorage)object).getZipEntry().getName());
	}
	
	/* (non-Javadoc)
	 * @see java.lang.Object#hashCode()
	 */
	public int hashCode() {
		return getZipEntry().getName().hashCode();
	}
}

Back to the top