Java Code Examples for org.eclipse.core.resources.IFile#getLocation()

/**
* @generated
*/
private long computeModificationStamp(ResourceSetInfo info) {
	int result = 0;
	for (Iterator<Resource> it = info.getLoadedResourcesIterator(); it.hasNext();) {
		Resource nextResource = it.next();
		IFile file = WorkspaceSynchronizer.getFile(nextResource);
		if (file != null) {
			if (file.getLocation() != null) {
				result += file.getLocation().toFile().lastModified();
			} else {
				result += file.getModificationStamp();
			}
		}
	}
	return result;
}
 

/**
 * Gets the absolute location relative to the workspace.
 * 
 * @param location the location
 * @return the absolute path for the location of the file
 * 
 * @since 3.8
 */
private IPath getAbsoluteLocation(IPath location) {
	if (location.isAbsolute())
		return location;

	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	if (location.segmentCount() >= 2 && !"..".equals(location.segment(0))) { //$NON-NLS-1$
		IFile file= root.getFile(location);
		IPath absolutePath= file.getLocation();
		if (absolutePath != null) {
			return absolutePath;
		}
	}
	// The path does not exist in the workspace (e.g. because there's no such project).
	// Fallback is to just append the path to the workspace root.
	return root.getLocation().append(location);

}
 

/** Replies if the given JAR file contains a SRE bootstrap.
 *
 * <p>The SRE bootstrap detection is based on the service definition within META-INF folder.
 *
 * @param jarFile the JAR file to test.
 * @return <code>true</code> if the given directory contains a SRE. Otherwise <code>false</code>.
 * @since 0.7
 * @see #containsUnpackedBootstrap(File)
 * @see #getDeclaredBootstrap(IPath)
 */
public static boolean containsPackedBootstrap(IPath jarFile) {
	try {
		final IFile location = ResourcesPlugin.getWorkspace().getRoot().getFile(jarFile);
		if (location != null) {
			final IPath path = location.getLocation();
			if (path != null) {
				final File file = path.toFile();
				if (file.exists()) {
					if (file.isFile()) {
						return containsPackedBootstrap(file);
					}
					return false;
				}
			}
		}
		return containsPackedBootstrap(jarFile.makeAbsolute().toFile());
	} catch (Exception exception) {
		return false;
	}
}
 

/** Replies if the given directory contains a SRE bootstrap.
 *
 * <p>The SRE bootstrap detection is based on the service definition within META-INF folder.
 *
 * @param directory the directory.
 * @return <code>true</code> if the given directory contains a SRE. Otherwise <code>false</code>.
 * @since 0.7
 * @see #containsPackedBootstrap(File)
 * @see #getDeclaredBootstrap(IPath)
 */
public static boolean containsUnpackedBootstrap(IPath directory) {
	final IFile location = ResourcesPlugin.getWorkspace().getRoot().getFile(directory);
	if (location != null) {
		final IPath path = location.getLocation();
		if (path != null) {
			final File file = path.toFile();
			if (file.exists()) {
				if (file.isDirectory()) {
					return containsUnpackedBootstrap(file);
				}
				return false;
			}
		}
	}
	return containsUnpackedBootstrap(directory.makeAbsolute().toFile());
}
 

private static IPath getSourceFilePathFromEditorInput(IEditorInput editorInput) {
	if (editorInput instanceof IURIEditorInput) {
		URI uri = ((IURIEditorInput) editorInput).getURI();
		if (uri != null) {
			IPath path = URIUtil.toPath(uri);
			if (path != null) {
				  return path;
			}
		}
	}

	if (editorInput instanceof IFileEditorInput) {
		IFile file = ((IFileEditorInput) editorInput).getFile();
		if (file != null) {
			return file.getLocation();
		}
	}

	if (editorInput instanceof ILocationProvider) {
		return ((ILocationProvider) editorInput).getPath(editorInput);
	}

	return null;
}
 

/** Replies if the given JAR file contains a SRE.
 *
 * <p>The SRE detection is based on the content of the manifest.
 *
 * @param jarFile the JAR file to test.
 * @return <code>true</code> if the given directory contains a SRE. Otherwise <code>false</code>.
 * @see #isUnpackedSRE(File)
 */
public static boolean isPackedSRE(IPath jarFile) {
	try {
		final IFile location = ResourcesPlugin.getWorkspace().getRoot().getFile(jarFile);
		if (location != null) {
			final IPath path = location.getLocation();
			if (path != null) {
				final File file = path.toFile();
				if (file.exists()) {
					if (file.isFile()) {
						return isPackedSRE(file);
					}
					return false;
				}
			}
		}
		return isPackedSRE(jarFile.makeAbsolute().toFile());
	} catch (Exception exception) {
		return false;
	}
}
 

/**
 * This operation instantiates the output file.
 */
protected void setupOutputFile() {

	// Setup the output file handle name
	String outputFilename = form.getName().replaceAll("\\s+", "_") + "_"
			+ getId() + "_processOutput.txt";
	// Get the file handle from the project space. Note that it may not
	// actually exist.
	if (project != null) {
		// Get the file
		IFile outputFileHandle = project.getFile(outputFilename);
		IPath location = outputFileHandle.getLocation();
		outputFile = location.toFile();
		// Create a new file if it does not already exist
		try {
			outputFile.createNewFile();
		} catch (Exception fileFailException) {
			logger.info("Item Message: Unable to create output "
					+ "file in workspace. Aborting.");
			fileFailException.printStackTrace();
			return;
		}
	}

	return;
}
 

/** Replies if the given directory contains a SRE.
 *
 * @param directory the directory.
 * @return <code>true</code> if the given directory contains a SRE. Otherwise <code>false</code>.
 * @see #isPackedSRE(File)
 */
public static boolean isUnpackedSRE(IPath directory) {
	try {
		final IFile location = ResourcesPlugin.getWorkspace().getRoot().getFile(directory);
		if (location != null) {
			final IPath path = location.getLocation();
			if (path != null) {
				final File file = path.toFile();
				if (file.exists()) {
					if (file.isDirectory()) {
						return isUnpackedSRE(file);
					}
					return false;
				}
			}
		}
		return isUnpackedSRE(directory.makeAbsolute().toFile());
	} catch (Exception exception) {
		return false;
	}
}
 

/**
 * @param lastSegment
 * @param modelFolder
 * @return
 */
private IFile createUniqueFileFrom(final IFile originalFile, final IFolder modelFolder) {
	IFile file = originalFile;
	final Pattern p = Pattern.compile("(.*?)(\\d+)?(\\..*)?");
	while (file.exists()) {
		final IPath path = file.getLocation();
		String fName = path.lastSegment();
		final Matcher m = p.matcher(fName);
		if ( m.matches() ) {// group 1 is the prefix, group 2 is the number, group 3 is the suffix
			fName = m.group(1) + (m.group(2) == null ? 1 : Integer.parseInt(m.group(2)) + 1) +
				(m.group(3) == null ? "" : m.group(3));
		}
		file = modelFolder.getFile(fName);
	}
	return file;

}
 

/**
* @generated
*/
private long computeModificationStamp(ResourceSetInfo info) {
	int result = 0;
	for (Iterator<Resource> it = info.getLoadedResourcesIterator(); it.hasNext();) {
		Resource nextResource = it.next();
		IFile file = WorkspaceSynchronizer.getFile(nextResource);
		if (file != null) {
			if (file.getLocation() != null) {
				result += file.getLocation().toFile().lastModified();
			} else {
				result += file.getModificationStamp();
			}
		}
	}
	return result;
}
 

/**
 * Writes the passed resource to the current archive.
 *
 * @param resource			the file to be written
 * @param destinationPath	the path for the file inside the archive
 * @throws	CoreException	to signal any other unusual termination.
 * 								This can also be used to return information
 * 								in the status object.
 */
public void write(IFile resource, IPath destinationPath) throws CoreException {
	try {
		IPath fileLocation= resource.getLocation();
		File file= null;
		if (fileLocation != null) {
			file= fileLocation.toFile();
		}
		if (fJarPackage.areDirectoryEntriesIncluded())
			addDirectories(destinationPath, file);
		addFile(resource, destinationPath, file);
	} catch (IOException ex) {
		// Ensure full path is visible
		String message= null;
		if (ex.getLocalizedMessage() != null)
			message= Messages.format(JarPackagerMessages.JarWriter_writeProblemWithMessage, new Object[] {BasicElementLabels.getPathLabel(resource.getFullPath(), false), ex.getLocalizedMessage()});
		else
			message= Messages.format(JarPackagerMessages.JarWriter_writeProblem, BasicElementLabels.getPathLabel(resource.getFullPath(), false));
		throw JarPackagerUtil.createCoreException(message, ex);
	}
}
 

/**
 * Gets the absolute location of the JAR file.
 * This path is normally external to the workspace.
 *
 * @return the absolute path representing the location of the JAR file
 *
 * @since 3.0
 */
public IPath getAbsoluteJarLocation() {
	if (!fJarLocation.isAbsolute()) {
		IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
		if (fJarLocation.segmentCount() >= 2 && !"..".equals(fJarLocation.segment(0))) { //$NON-NLS-1$
			// reverse of AbstractJarDestinationWizardPage#handleDestinationBrowseButtonPressed()
			IFile file= root.getFile(fJarLocation);
			IPath absolutePath= file.getLocation();
			if (absolutePath != null) {
				return absolutePath;
			}
		}
		// The path does not exist in the workspace (e.g. because there's no such project).
		// Fallback is to just append the path to the workspace root.
		return root.getLocation().append(fJarLocation);
	}
	return fJarLocation;
}
 

/**
* @generated
*/
public boolean isDeleted(Object element) {
	IDiagramDocument document = getDiagramDocument(element);
	if (document != null) {
		Resource diagramResource = document.getDiagram().eResource();
		if (diagramResource != null) {
			IFile file = WorkspaceSynchronizer.getFile(diagramResource);
			return file == null || file.getLocation() == null || !file.getLocation().toFile().exists();
		}
	}
	return super.isDeleted(element);
}
 

public static String getModelPathOf(final Resource r) {
	// Likely in a headless scenario (w/o workspace)
	if (r.getURI().isFile()) {
		return new Path(r.getURI().toFileString()).toOSString();
	} else {
		final IPath path = getPathOf(r);
		final IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path);
		final IPath fullPath = file.getLocation();
		return fullPath == null ? "" : fullPath.toOSString();
	}
}
 

IFile createUnclassifiedModelsProjectAndAdd(final IPath location) {
	IFile iFile = null;
	try {
		final IFolder modelFolder = createUnclassifiedModelsProject(location);
		iFile = modelFolder.getFile(location.lastSegment());
		if ( iFile.exists() ) {
			if ( iFile.isLinked() ) {
				final IPath path = iFile.getLocation();
				if ( path.equals(location) ) {
					// First case, this is a linked resource to the same location. In that case, we simply return
					// its name.
					return iFile;
				} else {
					// Second case, this resource is a link to another location. We create a filename that is
					// guaranteed not to exist and change iFile accordingly.
					iFile = createUniqueFileFrom(iFile, modelFolder);
				}
			} else {
				// Third case, this resource is local and we do not want to overwrite it. We create a filename that
				// is guaranteed not to exist and change iFile accordingly.
				iFile = createUniqueFileFrom(iFile, modelFolder);
			}
		}
		iFile.createLink(location, IResource.NONE, null);
		// RefreshHandler.run();
		return iFile;
	} catch (final CoreException e) {
		e.printStackTrace();
		MessageDialog.openInformation(Display.getDefault().getActiveShell(), "Error in creation",
			"The file " + (iFile == null ? location.lastSegment() : iFile.getFullPath().lastSegment()) +
				" cannot be created because of the following exception " + e.getMessage());
		return null;
	}
}
 

@Override
public JSONObject getContent() throws ReadFileStoreException {
    if (!getResource().exists()) {
        throw new ReadFileStoreException(getResource().getLocation() + " does not exists.");
    }
    final IFile jsonFile = getJSONIFile();
    if (!jsonFile.exists()) {
        throw new ReadFileStoreException(jsonFile.getLocation() + " does not exists.");
    }
    return toJSONObject(jsonFile);
}
 

private boolean isPlatformInstalled(String platformName) {
	if (platformName == null) {
		return false;
	}
	try {
		IFolder platformHome = getPlatformHomeFolder(platformName);
		if (platformHome != null) {
			IFile platformJson = platformHome.getFile(platformName + ".json");
			return platformJson.getLocation() != null && platformJson.getLocation().toFile().exists();
		}
	} catch (CoreException e) {
		// ignore to return false
	}
	return false;
}
 

public static IDocument getDocument(IFile file) {
	IPath location = file.getLocation();
	return getDocument(location);
}
 

private IPath createFileInProject(String filename) throws CoreException {
  IFile file = projectCreator.getProject().getFile(filename);
  file.create(new ByteArrayInputStream(new byte[0]), true, null);
  return file.getLocation();
}
 

/**
 * IFile 构建函数
 * @param file
 */
public FileConversionItem(IFile file) {
	super(file.getLocation());
	this.resource = file;
}