1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     4 

     5 package org.chromium.debug.core.efs;

     6 

     7 import java.io.InputStream;

     8 import java.io.OutputStream;

     9 import java.net.URI;

    10 

    11 import org.eclipse.core.filesystem.IFileInfo;

    12 import org.eclipse.core.filesystem.IFileStore;

    13 import org.eclipse.core.filesystem.provider.FileStore;

    14 import org.eclipse.core.runtime.CoreException;

    15 import org.eclipse.core.runtime.IPath;

    16 import org.eclipse.core.runtime.IProgressMonitor;

    17 

    18 /**

    19  * A script file store. Delegates all operations to the ChromiumScriptStorage

    20  * instance.

    21  */

    22 public class ChromiumScriptFileStore extends FileStore {

    23 

    24   /** The filesystem storage. */

    25   private static final ChromiumScriptStorage STORAGE = ChromiumScriptStorage.getInstance();

    26 

    27   /** The host filesystem of this resource. */

    28   private final ChromiumScriptFileSystem fileSystem;

    29 

    30   /** The resource path in the filesystem. */

    31   private final IPath path;

    32 

    33   /**

    34    * Constructs a proxy for a real resource (which might not exist).

    35    *

    36    * @param fileSystem that stores the resource

    37    * @param path of the resource

    38    */

    39   public ChromiumScriptFileStore(ChromiumScriptFileSystem fileSystem, IPath path) {

    40     this.fileSystem = fileSystem;

    41     this.path = path;

    42   }

    43 

    44   @Override

    45   public String[] childNames(int options, IProgressMonitor monitor) throws CoreException {

    46     return STORAGE.childNames(this.path);

    47   }

    48 

    49   @Override

    50   public IFileInfo fetchInfo(int options, IProgressMonitor monitor) throws CoreException {

    51     return STORAGE.fetchInfo(path, options);

    52   }

    53 

    54   @Override

    55   public IFileStore getChild(String name) {

    56     return fileSystem.getStore(path.append(name));

    57   }

    58 

    59   @Override

    60   public String getName() {

    61     if (path.isEmpty()) {

    62       return "ROOT"; //$NON-NLS-1$

    63     }

    64     return path.lastSegment();

    65   }

    66 

    67   @Override

    68   public IFileStore getParent() {

    69     if (path.segmentCount() == 0) {

    70       return null;

    71     }

    72     return new ChromiumScriptFileStore(fileSystem, path.removeLastSegments(1));

    73   }

    74 

    75   @Override

    76   public InputStream openInputStream(int options, IProgressMonitor monitor) throws CoreException {

    77     return STORAGE.openInputStream(path, options);

    78   }

    79 

    80   @Override

    81   public OutputStream openOutputStream(int options, IProgressMonitor monitor) throws CoreException {

    82     return STORAGE.openOutputStream(path, options);

    83   }

    84 

    85   @Override

    86   public IFileStore mkdir(int options, IProgressMonitor monitor) throws CoreException {

    87     STORAGE.mkdir(path, options);

    88     return this;

    89   }

    90 

    91   @Override

    92   public URI toURI() {

    93     return ChromiumScriptFileSystem.getFileStoreUri(path);

    94   }

    95 

    96   @Override

    97   public void delete(int options, IProgressMonitor monitor) throws CoreException {

    98     STORAGE.delete(path, options);

    99   }

   100 

   101   @Override

   102   public void putInfo(IFileInfo info, int options, IProgressMonitor monitor) throws CoreException {

   103     STORAGE.putInfo(path, info, options);

   104   }

   105 

   106 }