tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/project/wizards/importtrace/FileSystemObjectImportStructureProvider.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.InputStream;
  17 import java.util.ArrayList;
  18 import java.util.List;
  19 import java.util.zip.ZipEntry;
  20
  21 import org.eclipse.ui.internal.wizards.datatransfer.TarEntry;
  22 import org.eclipse.ui.wizards.datatransfer.IImportStructureProvider;
  23
  24 /**
  25  * An import provider that makes use of the IFileSystemObject abstraction
  26  * instead of using plain file system objects (File, TarEntry, ZipEntry, etc)
  27  */
  28 @SuppressWarnings("restriction")
  29 public class FileSystemObjectImportStructureProvider implements IImportStructureProvider {
  30
  31     private IImportStructureProvider fImportProvider;
  32     private String fArchivePath;
  33
  34     FileSystemObjectImportStructureProvider(IImportStructureProvider importStructureProvider, String archivePath) {
  35         fImportProvider = importStructureProvider;
  36         fArchivePath = archivePath;
  37     }
  38
  39     @Override
  40     public List<IFileSystemObject> getChildren(Object element) {
  41         @SuppressWarnings("rawtypes")
  42         List children = fImportProvider.getChildren(((IFileSystemObject) element).getRawFileSystemObject());
  43         List<IFileSystemObject> adapted = new ArrayList<>(children.size());
  44         for (Object o : children) {
  45             adapted.add(getIFileSystemObject(o));
  46         }
  47         return adapted;
  48     }
  49
  50     /**
  51      * Get the IFileSystemObject corresponding to the specified raw object
  52      *
  53      * @param o
  54      *            the raw object
  55      * @return the corresponding IFileSystemObject
  56      */
  57     public IFileSystemObject getIFileSystemObject(Object o) {
  58         if (o == null) {
  59             return null;
  60         }
  61
  62         if (o instanceof File) {
  63             return new FileFileSystemObject((File) o);
  64         } else if (o instanceof TarEntry) {
  65             return new TarFileSystemObject((TarEntry) o, fArchivePath);
  66         } else if (o instanceof ZipEntry) {
  67             return new ZipFileSystemObject((ZipEntry) o, fArchivePath);
  68         } else if (o instanceof GzipEntry) {
  69             return new GzipFileSystemObject((GzipEntry) o, fArchivePath);
  70         }
  71
  72         throw new IllegalArgumentException("Object type not handled"); //$NON-NLS-1$
  73     }
  74
  75     @Override
  76     public InputStream getContents(Object fileSystemObject) {
  77         return fImportProvider.getContents(((IFileSystemObject) fileSystemObject).getRawFileSystemObject());
  78     }
  79
  80     @Override
  81     public String getFullPath(Object element) {
  82         return fImportProvider.getFullPath(((IFileSystemObject) element).getRawFileSystemObject());
  83     }
  84
  85     @Override
  86     public String getLabel(Object element) {
  87         return fImportProvider.getLabel(((IFileSystemObject) element).getRawFileSystemObject());
  88     }
  89
  90     @Override
  91     public boolean isFolder(Object element) {
  92         return fImportProvider.isFolder(((IFileSystemObject) element).getRawFileSystemObject());
  93     }
  94
  95     /**
  96      * Disposes of the resources associated with the provider.
  97      */
  98     public void dispose() {
  99     }
 100 }