net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/builder/FileStorage.java

   1 package net.sourceforge.phpeclipse.builder;
   2
   3 import java.io.File;
   4 import java.io.FileInputStream;
   5 import java.io.FileNotFoundException;
   6 import java.io.FileOutputStream;
   7 import java.io.IOException;
   8 import java.io.InputStream;
   9
  10 import net.sourceforge.phpdt.internal.core.util.StreamUtil;
  11 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  12
  13 import org.eclipse.core.resources.IStorage;
  14 import org.eclipse.core.runtime.CoreException;
  15 import org.eclipse.core.runtime.IPath;
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.core.runtime.IStatus;
  18 import org.eclipse.core.runtime.PlatformObject;
  19 import org.eclipse.core.runtime.Status;
  20
  21 /*
  22  * (c) Copyright QNX Software Systems Ltd. 2002.
  23  * All Rights Reserved.
  24  */
  25
  26 /**
  27  *
  28  * @see IStorage
  29  */
  30 public class FileStorage extends PlatformObject implements IStorage {
  31         private boolean forceReadOnly;
  32
  33         private final IPath path;
  34
  35         private final File file;
  36
  37         /**
  38          * Two FileStorages are equal if their IPaths are equal.
  39          *
  40          * @see java.lang.Object#equals(java.lang.Object)
  41          */
  42         public boolean equals(Object obj) {
  43                 if (this == obj)
  44                         return true;
  45                 if (!(obj instanceof FileStorage))
  46                         return false;
  47                 FileStorage other = (FileStorage) obj;
  48                 return path.equals(other.path);
  49         }
  50
  51         /*
  52          * (non-Javadoc)
  53          *
  54          * @see org.eclipse.core.resources.IStorage#getContents()
  55          */
  56         public InputStream getContents() throws CoreException {
  57                 try {
  58                         return new FileInputStream(file);
  59                 } catch (FileNotFoundException e) {
  60                         throw new CoreException(new Status(IStatus.ERROR,
  61                                         PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, e.toString(), e));
  62                 }
  63         }
  64
  65         /*
  66          * (non-Javadoc)
  67          *
  68          * @see org.eclipse.core.resources.IStorage#getFullPath()
  69          */
  70         public IPath getFullPath() {
  71                 return this.path;
  72         }
  73
  74         /*
  75          * (non-Javadoc)
  76          *
  77          * @see org.eclipse.core.resources.IStorage#getName()
  78          */
  79         public String getName() {
  80                 return this.path.lastSegment();
  81         }
  82
  83         /*
  84          * (non-Javadoc)
  85          *
  86          * @see org.eclipse.core.resources.IStorage#isReadOnly()
  87          */
  88         public boolean isReadOnly() {
  89                 return forceReadOnly || !file.canWrite();
  90         }
  91
  92         /**
  93          * Method FileStorage.
  94          *
  95          * @param path
  96          */
  97         public FileStorage(IPath path) {
  98                 this.path = path;
  99                 this.file = path.toFile();
 100         }
 101
 102         /*
 103          * (non-Javadoc)
 104          *
 105          * @see java.lang.Object#toString()
 106          */
 107         public String toString() {
 108                 return path.toOSString();
 109         }
 110
 111         /**
 112          * @param stream
 113          * @param overwrite
 114          * @param b
 115          * @param monitor
 116          */
 117         public void setContents(InputStream stream, boolean overwrite, boolean b,
 118                         IProgressMonitor monitor) throws CoreException {
 119                 try {
 120                         StreamUtil.transferStreams(stream, new FileOutputStream(file));
 121                 } catch (FileNotFoundException e) {
 122                         throw new CoreException(new Status(IStatus.ERROR,
 123                                         PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, e.toString(), e));
 124                 } catch (IOException e) {
 125                         throw new CoreException(new Status(IStatus.ERROR,
 126                                         PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, e.toString(), e));
 127                 }
 128         }
 129
 130         /**
 131          * Some document providers (notably CompilationUnitDocumentProvider) can't
 132          * handle read/write storage.
 133          */
 134         public void setReadOnly() {
 135                 forceReadOnly = true;
 136         }
 137 }