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f17bb886 MAL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2015 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Marc-Andre Laperle - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.tracecompass.internal.tmf.ui.project.wizards.importtrace; | |
14 | ||
15 | import java.io.File; | |
16 | import java.io.InputStream; | |
17 | import java.util.ArrayList; | |
537cd2b8 | 18 | import java.util.Comparator; |
f17bb886 MAL |
19 | import java.util.List; |
20 | import java.util.zip.ZipEntry; | |
21 | ||
22 | import org.eclipse.ui.internal.wizards.datatransfer.TarEntry; | |
23 | import org.eclipse.ui.wizards.datatransfer.IImportStructureProvider; | |
24 | ||
25 | /** | |
26 | * An import provider that makes use of the IFileSystemObject abstraction | |
27 | * instead of using plain file system objects (File, TarEntry, ZipEntry, etc) | |
28 | */ | |
29 | @SuppressWarnings("restriction") | |
30 | public class FileSystemObjectImportStructureProvider implements IImportStructureProvider { | |
31 | ||
32 | private IImportStructureProvider fImportProvider; | |
33 | private String fArchivePath; | |
34 | ||
ee9e8924 MK |
35 | /** |
36 | * Constructor | |
37 | * | |
38 | * @param importStructureProvider | |
39 | * the {@link IImportStructureProvider} | |
40 | * @param archivePath | |
41 | * the path of the archive file | |
42 | */ | |
43 | public FileSystemObjectImportStructureProvider(IImportStructureProvider importStructureProvider, String archivePath) { | |
f17bb886 MAL |
44 | fImportProvider = importStructureProvider; |
45 | fArchivePath = archivePath; | |
46 | } | |
47 | ||
537cd2b8 MAL |
48 | /** |
49 | * This orders by files first then the folders. Then by lexical order. | |
50 | */ | |
51 | private final class FileObjectPathComparator implements Comparator<IFileSystemObject> { | |
52 | @Override | |
53 | public int compare(IFileSystemObject o1, IFileSystemObject o2) { | |
54 | if (o1.isDirectory() != o2.isDirectory()) { | |
55 | if (o1.isDirectory()) { | |
56 | return 1; | |
57 | } | |
58 | return -1; | |
59 | } | |
60 | ||
61 | return o1.getName().compareToIgnoreCase(o2.getName()); | |
62 | } | |
63 | } | |
64 | ||
f17bb886 MAL |
65 | @Override |
66 | public List<IFileSystemObject> getChildren(Object element) { | |
67 | @SuppressWarnings("rawtypes") | |
68 | List children = fImportProvider.getChildren(((IFileSystemObject) element).getRawFileSystemObject()); | |
69 | List<IFileSystemObject> adapted = new ArrayList<>(children.size()); | |
70 | for (Object o : children) { | |
71 | adapted.add(getIFileSystemObject(o)); | |
72 | } | |
537cd2b8 MAL |
73 | |
74 | adapted.sort(new FileObjectPathComparator()); | |
f17bb886 MAL |
75 | return adapted; |
76 | } | |
77 | ||
78 | /** | |
79 | * Get the IFileSystemObject corresponding to the specified raw object | |
80 | * | |
81 | * @param o | |
82 | * the raw object | |
83 | * @return the corresponding IFileSystemObject | |
84 | */ | |
85 | public IFileSystemObject getIFileSystemObject(Object o) { | |
86 | if (o == null) { | |
87 | return null; | |
88 | } | |
89 | ||
90 | if (o instanceof File) { | |
91 | return new FileFileSystemObject((File) o); | |
92 | } else if (o instanceof TarEntry) { | |
93 | return new TarFileSystemObject((TarEntry) o, fArchivePath); | |
94 | } else if (o instanceof ZipEntry) { | |
95 | return new ZipFileSystemObject((ZipEntry) o, fArchivePath); | |
96 | } else if (o instanceof GzipEntry) { | |
97 | return new GzipFileSystemObject((GzipEntry) o, fArchivePath); | |
98 | } | |
99 | ||
100 | throw new IllegalArgumentException("Object type not handled"); //$NON-NLS-1$ | |
101 | } | |
102 | ||
103 | @Override | |
104 | public InputStream getContents(Object fileSystemObject) { | |
105 | return fImportProvider.getContents(((IFileSystemObject) fileSystemObject).getRawFileSystemObject()); | |
106 | } | |
107 | ||
108 | @Override | |
109 | public String getFullPath(Object element) { | |
110 | return fImportProvider.getFullPath(((IFileSystemObject) element).getRawFileSystemObject()); | |
111 | } | |
112 | ||
113 | @Override | |
114 | public String getLabel(Object element) { | |
115 | return fImportProvider.getLabel(((IFileSystemObject) element).getRawFileSystemObject()); | |
116 | } | |
117 | ||
118 | @Override | |
119 | public boolean isFolder(Object element) { | |
120 | return fImportProvider.isFolder(((IFileSystemObject) element).getRawFileSystemObject()); | |
121 | } | |
122 | ||
123 | /** | |
124 | * Disposes of the resources associated with the provider. | |
125 | */ | |
126 | public void dispose() { | |
127 | } | |
128 | } |