tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/project/wizards/importtrace/TarFileSystemObject.java

   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.IOException;
  17 import java.net.URI;
  18
  19 import org.eclipse.core.runtime.IPath;
  20 import org.eclipse.core.runtime.Path;
  21 import org.eclipse.core.runtime.URIUtil;
  22 import org.eclipse.ui.internal.wizards.datatransfer.TarEntry;
  23
  24 /**
  25  * The "Tar" implementation of an IFileSystemObject, entries can also be Gzipped
  26  * and are uncompressed transparently.
  27  */
  28 @SuppressWarnings("restriction")
  29 class TarFileSystemObject implements IFileSystemObject {
  30
  31     private TarEntry fFileSystemObject;
  32     private String fArchivePath;
  33
  34     TarFileSystemObject(TarEntry fileSystemObject, String archivePath) {
  35         fFileSystemObject = fileSystemObject;
  36         fArchivePath = archivePath;
  37     }
  38
  39     @Override
  40     public String getName() {
  41         return new Path(fFileSystemObject.getName()).lastSegment();
  42     }
  43
  44     @Override
  45     public String getAbsolutePath() {
  46         throw new UnsupportedOperationException();
  47     }
  48
  49     @Override
  50     public boolean exists() {
  51         return true;
  52     }
  53
  54     @Override
  55     public String getSourceLocation() {
  56         File file = new File(fArchivePath);
  57         try {
  58             file = file.getCanonicalFile();
  59         } catch (IOException e) {
  60             // Will still work but might have extra ../ in the path
  61         }
  62         URI uri = file.toURI();
  63         IPath entryPath = new Path(fFileSystemObject.getName());
  64
  65         URI jarURI = entryPath.isRoot() ? URIUtil.toJarURI(uri, Path.EMPTY) : URIUtil.toJarURI(uri, entryPath);
  66         return URIUtil.toUnencodedString(jarURI);
  67     }
  68
  69     @Override
  70     public Object getRawFileSystemObject() {
  71         return fFileSystemObject;
  72     }
  73
  74     @Override
  75     public boolean isDirectory() {
  76         return fFileSystemObject.getFileType() == TarEntry.DIRECTORY;
  77     }
  78 }