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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.eclipse.org/org/documents/epl-v10.php
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.ide.eclipse.adt.internal.editors.binaryxml;
     18 
     19 import com.android.ide.eclipse.adt.AdtPlugin;
     20 
     21 import org.eclipse.core.resources.IStorage;
     22 import org.eclipse.core.runtime.CoreException;
     23 import org.eclipse.core.runtime.IPath;
     24 import org.eclipse.core.runtime.IStatus;
     25 import org.eclipse.core.runtime.Path;
     26 import org.eclipse.core.runtime.Status;
     27 
     28 import java.io.File;
     29 import java.io.FileInputStream;
     30 import java.io.InputStream;
     31 
     32 /**
     33  * Implementation of storage for a local file
     34  * (<code>java.io.File</code>).
     35  *
     36  * @see org.eclipse.core.resources.IStorage
     37  */
     38 
     39 public class FileStorage implements IStorage {
     40 
     41     /**
     42      * The file this storage refers to.
     43      */
     44     private File mFile = null;
     45 
     46     /**
     47      * Constructs and returns storage for the given file.
     48      *
     49      * @param file a local file
     50      */
     51     public FileStorage(File file) {
     52         mFile = file;
     53     }
     54 
     55     /* (non-Javadoc)
     56      * @see org.eclipse.core.resources.IStorage#getContents()
     57      */
     58     @Override
     59     public InputStream getContents() throws CoreException {
     60         InputStream stream = null;
     61         try {
     62             stream = new FileInputStream(mFile);
     63         } catch (Exception e) {
     64             throw new CoreException(new Status(IStatus.ERROR, AdtPlugin.getDefault().getBundle()
     65                     .getSymbolicName(), IStatus.ERROR, mFile.getAbsolutePath(), e));
     66         }
     67         return stream;
     68     }
     69 
     70     /* (non-Javadoc)
     71      * @see org.eclipse.core.resources.IStorage#getFullPath()
     72      */
     73     @Override
     74     public IPath getFullPath() {
     75         return new Path(mFile.getAbsolutePath());
     76     }
     77 
     78     /* (non-Javadoc)
     79      * @see org.eclipse.core.resources.IStorage#getName()
     80      */
     81     @Override
     82     public String getName() {
     83         return mFile.getName();
     84     }
     85 
     86     /* (non-Javadoc)
     87      * @see org.eclipse.core.resources.IStorage#isReadOnly()
     88      */
     89     @Override
     90     public boolean isReadOnly() {
     91         return true;
     92     }
     93 
     94     /* (non-Javadoc)
     95      * @see org.eclipse.core.runtime.IAdaptable#getAdapter(Class)
     96      */
     97     @Override
     98     public Object getAdapter(Class adapter) {
     99         return null;
    100     }
    101 
    102     /* (non-Javadoc)
    103      * @see java.lang.Object#equals(java.lang.Object)
    104      */
    105     @Override
    106     public boolean equals(Object obj) {
    107         if (obj instanceof FileStorage) {
    108             return mFile.equals(((FileStorage) obj).mFile);
    109         }
    110         return super.equals(obj);
    111     }
    112 
    113     /* (non-Javadoc)
    114      * @see java.lang.Object#hashCode()
    115      */
    116     @Override
    117     public int hashCode() {
    118         return mFile.hashCode();
    119     }
    120 }
    121