net.sourceforge.phpeclipse/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.ui.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          private final IPath path;
  33          private final File file;
  34
  35          /**
  36                 * Two FileStorages are equal if their IPaths are equal.
  37                 * @see java.lang.Object#equals(java.lang.Object)
  38                 */
  39          public boolean equals(Object obj) {
  40                         if (this == obj)
  41                                  return true;
  42                         if (!(obj instanceof FileStorage))
  43                                  return false;
  44                         FileStorage other = (FileStorage) obj;
  45                         return path.equals(other.path);
  46          }
  47
  48          /* (non-Javadoc)
  49                 * @see org.eclipse.core.resources.IStorage#getContents()
  50                 */
  51          public InputStream getContents() throws CoreException {
  52                         try {
  53                                  return new FileInputStream(file);
  54                         } catch (FileNotFoundException e) {
  55                                  throw new CoreException(new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, e.toString(), e));
  56                         }
  57          }
  58
  59          /* (non-Javadoc)
  60                 * @see org.eclipse.core.resources.IStorage#getFullPath()
  61                 */
  62          public IPath getFullPath() {
  63                         return this.path;
  64          }
  65
  66          /* (non-Javadoc)
  67                 * @see org.eclipse.core.resources.IStorage#getName()
  68                 */
  69          public String getName() {
  70                         return this.path.lastSegment();
  71          }
  72
  73          /* (non-Javadoc)
  74                 * @see org.eclipse.core.resources.IStorage#isReadOnly()
  75                 */
  76          public boolean isReadOnly() {
  77                         return forceReadOnly || !file.canWrite();
  78          }
  79
  80          /**
  81                 * Method FileStorage.
  82                 * @param path
  83                 */
  84          public FileStorage(IPath path) {
  85                         this.path = path;
  86                         this.file = path.toFile();
  87          }
  88
  89          /* (non-Javadoc)
  90                 * @see java.lang.Object#toString()
  91                 */
  92          public String toString() {
  93                         return path.toOSString();
  94          }
  95
  96          /**
  97                 * @param stream
  98                 * @param overwrite
  99                 * @param b
 100                 * @param monitor
 101                 */
 102          public void setContents(InputStream stream, boolean overwrite, boolean b, IProgressMonitor monitor) throws CoreException {
 103                         try {
 104                                 StreamUtil.transferStreams(stream, new FileOutputStream(file));
 105                         } catch (FileNotFoundException e) {
 106                                  throw new CoreException(new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, e.toString(), e));
 107                         } catch (IOException e) {
 108                                  throw new CoreException(new Status(IStatus.ERROR, PHPeclipsePlugin.PLUGIN_ID, IStatus.ERROR, e.toString(), e));
 109                         }
 110          }
 111
 112          /**
 113                 * Some document providers (notably CompilationUnitDocumentProvider)
 114                 * can't handle read/write storage.
 115                 */
 116          public void setReadOnly() {
 117                         forceReadOnly = true;
 118          }
 119 }