Examples with ITextFileBufferManager org.eclipse.core.filebuffers.ITextFileBufferManager used on opensource projects

Example 51 with ITextFileBufferManager

use of org.eclipse.core.filebuffers.ITextFileBufferManager in project che by eclipse.

the class UndoDocumentChange method performEdits.

private UndoEdit performEdits() throws BadLocationException, MalformedTreeException {
    ITextFileBufferManager fileBufferManager = FileBuffers.getTextFileBufferManager();
    ITextFileBuffer fileBuffer = fileBufferManager.getTextFileBuffer(fDocument);
    if (fileBuffer == null || !fileBuffer.isSynchronizationContextRequested()) {
        return fUndo.apply(fDocument, TextEdit.CREATE_UNDO);
    }
    /** The lock for waiting for computation in the UI thread to complete. */
    final Lock completionLock = new Lock();
    final UndoEdit[] result = new UndoEdit[1];
    final BadLocationException[] exception = new BadLocationException[1];
    Runnable runnable = new Runnable() {

        public void run() {
            synchronized (completionLock) {
                try {
                    result[0] = fUndo.apply(fDocument, TextEdit.CREATE_UNDO);
                } catch (BadLocationException e) {
                    exception[0] = e;
                } finally {
                    completionLock.fDone = true;
                    completionLock.notifyAll();
                }
            }
        }
    };
    synchronized (completionLock) {
        fileBufferManager.execute(runnable);
        while (!completionLock.fDone) {
            try {
                completionLock.wait(500);
            } catch (InterruptedException x) {
            }
        }
    }
    if (exception[0] != null) {
        throw exception[0];
    }
    return result[0];
}

Example 52 with ITextFileBufferManager

use of org.eclipse.core.filebuffers.ITextFileBufferManager in project che by eclipse.

the class JavadocContentAccess2 method getIFileContent.

/**
     * Reads the content of the IFile.
     *
     * @param file the file whose content has to be read
     * @return the content of the file
     * @throws CoreException if the file could not be successfully connected or disconnected
     */
private static String getIFileContent(IFile file) throws CoreException {
    String content = null;
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    IPath fullPath = file.getFullPath();
    manager.connect(fullPath, LocationKind.IFILE, null);
    try {
        ITextFileBuffer buffer = manager.getTextFileBuffer(fullPath, LocationKind.IFILE);
        if (buffer != null) {
            content = buffer.getDocument().get();
        }
    } finally {
        manager.disconnect(fullPath, LocationKind.IFILE, null);
    }
    return content;
}

Example 53 with ITextFileBufferManager

use of org.eclipse.core.filebuffers.ITextFileBufferManager in project che by eclipse.

the class CodeAssist method computeAssistProposals.

@SuppressWarnings("unchecked")
public Proposals computeAssistProposals(IJavaProject project, String fqn, int offset, List<Problem> problems) throws CoreException {
    ICompilationUnit compilationUnit;
    IType type = project.findType(fqn);
    if (type == null) {
        return null;
    }
    if (type.isBinary()) {
        throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.CORE_EXCEPTION, "Can't calculate Quick Assist on binary file"));
    } else {
        compilationUnit = type.getCompilationUnit();
    }
    IBuffer buffer = compilationUnit.getBuffer();
    ITextFileBufferManager bufferManager = FileBuffers.getTextFileBufferManager();
    bufferManager.connect(compilationUnit.getPath(), LocationKind.IFILE, new NullProgressMonitor());
    ITextFileBuffer textFileBuffer = bufferManager.getTextFileBuffer(compilationUnit.getPath(), LocationKind.IFILE);
    IDocument document = textFileBuffer.getDocument();
    TextViewer viewer = new TextViewer(document, new Point(offset, 0));
    AssistContext context = new AssistContext(compilationUnit, offset, 0);
    ArrayList proposals = new ArrayList<>();
    JavaCorrectionProcessor.collectProposals(context, problems, true, true, proposals);
    return convertProposals(offset, compilationUnit, viewer, proposals);
}

Example 54 with ITextFileBufferManager

use of org.eclipse.core.filebuffers.ITextFileBufferManager in project AutoRefactor by JnRouvignac.

the class ApplyRefactoringsJob method applyRefactoring.

private void applyRefactoring(ICompilationUnit compilationUnit, AggregateASTVisitor refactoringToApply, JavaProjectOptions options, SubMonitor monitor) throws Exception {
    final ITextFileBufferManager bufferManager = FileBuffers.getTextFileBufferManager();
    final IPath path = compilationUnit.getPath();
    final LocationKind locationKind = LocationKind.NORMALIZE;
    try {
        bufferManager.connect(path, locationKind, null);
        final ITextFileBuffer textFileBuffer = bufferManager.getTextFileBuffer(path, locationKind);
        if (!textFileBuffer.isSynchronized()) {
            /*
                 * Cannot read the source when a file is not synchronized,
                 * Let's ignore this file to avoid problems when:
                 * - doing string manipulation with the source text
                 * - applying automated refactorings to such files
                 */
            environment.getLogger().error("File \"" + compilationUnit.getPath() + "\" is not synchronized with the file system." + " Automated refactorings will not be applied to it.");
            return;
        }
        final IDocument document = textFileBuffer.getDocument();
        applyRefactoring(document, compilationUnit, refactoringToApply, options, monitor);
    } finally {
        bufferManager.disconnect(path, locationKind, null);
    }
}

Example 55 with ITextFileBufferManager

use of org.eclipse.core.filebuffers.ITextFileBufferManager in project eclipse.platform.text by eclipse.

the class FileBufferCreation method test6.

/*
	 * Tests that a workspace file linked to an external file and the external file result
	 * in two different, independent file buffers.
	 */
@Test
public void test6() throws Exception {
    IPath path1 = createLinkedFile("file1", "testResources/ExternalFile");
    assertNotNull(path1);
    File externalFile = FileTool.getFileInPlugin(FileBuffersTestPlugin.getDefault(), new Path("testResources/ExternalFile"));
    assertNotNull(externalFile);
    IPath path2 = new Path(externalFile.getAbsolutePath());
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    manager.connect(path1, LocationKind.NORMALIZE, null);
    ITextFileBuffer buffer1 = manager.getTextFileBuffer(path1, LocationKind.NORMALIZE);
    assertNotNull(buffer1);
    manager.connect(path2, LocationKind.NORMALIZE, null);
    ITextFileBuffer buffer2 = manager.getTextFileBuffer(path2, LocationKind.NORMALIZE);
    assertNotNull(buffer2);
    IDocument document1 = buffer1.getDocument();
    assertNotNull(document1);
    assertSame(buffer1, manager.getTextFileBuffer(document1));
    IDocument document2 = buffer2.getDocument();
    assertNotNull(document2);
    assertSame(buffer2, manager.getTextFileBuffer(document2));
    assertEquals(document1.get(), document2.get());
    assertEquals(CONTENT3, document1.get());
    try {
        document1.replace(0, document1.getLength(), CONTENT1);
    } catch (BadLocationException x) {
        Assert.assertFalse(false);
    }
    assertFalse(document1.get().equals(document2.get()));
    manager.disconnect(path1, LocationKind.NORMALIZE, null);
    assertNull(manager.getTextFileBuffer(path1, LocationKind.NORMALIZE));
    manager.disconnect(path2, LocationKind.NORMALIZE, null);
    assertNull(manager.getTextFileBuffer(path2, LocationKind.NORMALIZE));
}