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

Example 46 with ITextFileBufferManager

use of org.eclipse.core.filebuffers.ITextFileBufferManager in project eclipse-pmd by acanda.

the class JavaQuickFix method fixMarkersInFile.

/**
 * Fixes all provided markers in a file.
 *
 * @param markers The markers to fix. There is at least one marker in this collection and all markers can be fixed
 *            by this quick fix.
 */
protected void fixMarkersInFile(final IFile file, final List<IMarker> markers, final IProgressMonitor monitor) {
    monitor.subTask(file.getFullPath().toOSString());
    final Optional<ICompilationUnit> optionalCompilationUnit = getCompilationUnit(file);
    if (!optionalCompilationUnit.isPresent()) {
        return;
    }
    final ICompilationUnit compilationUnit = optionalCompilationUnit.get();
    ITextFileBufferManager bufferManager = null;
    final IPath path = compilationUnit.getPath();
    try {
        bufferManager = FileBuffers.getTextFileBufferManager();
        bufferManager.connect(path, LocationKind.IFILE, null);
        final ITextFileBuffer textFileBuffer = bufferManager.getTextFileBuffer(path, LocationKind.IFILE);
        final IDocument document = textFileBuffer.getDocument();
        final IAnnotationModel annotationModel = textFileBuffer.getAnnotationModel();
        final ASTParser astParser = ASTParser.newParser(AST.JLS4);
        astParser.setKind(ASTParser.K_COMPILATION_UNIT);
        astParser.setResolveBindings(needsTypeResolution());
        astParser.setSource(compilationUnit);
        final SubProgressMonitor parserMonitor = new SubProgressMonitor(monitor, 100);
        final CompilationUnit ast = (CompilationUnit) astParser.createAST(parserMonitor);
        parserMonitor.done();
        startFixingMarkers(ast);
        final Map<?, ?> options = compilationUnit.getJavaProject().getOptions(true);
        for (final IMarker marker : markers) {
            try {
                final MarkerAnnotation annotation = getMarkerAnnotation(annotationModel, marker);
                // if the annotation is null it means that is was deleted by a previous quick fix
                if (annotation != null) {
                    final Optional<T> node = getNodeFinder(annotationModel.getPosition(annotation)).findNode(ast);
                    if (node.isPresent()) {
                        final boolean isSuccessful = fixMarker(node.get(), document, options);
                        if (isSuccessful) {
                            marker.delete();
                        }
                    }
                }
            } finally {
                monitor.worked(100);
            }
        }
        finishFixingMarkers(ast, document, options);
        // commit changes to underlying file if it is not opened in an editor
        if (!isEditorOpen(file)) {
            final SubProgressMonitor commitMonitor = new SubProgressMonitor(monitor, 100);
            textFileBuffer.commit(commitMonitor, false);
            commitMonitor.done();
        } else {
            monitor.worked(100);
        }
    } catch (CoreException | MalformedTreeException | BadLocationException e) {
    // TODO: log error
    // PMDPlugin.getDefault().error("Error processing quickfix", e);
    } finally {
        if (bufferManager != null) {
            try {
                bufferManager.disconnect(path, LocationKind.IFILE, null);
            } catch (final CoreException e) {
            // TODO: log error
            // PMDPlugin.getDefault().error("Error processing quickfix", e);
            }
        }
    }
}

Example 47 with ITextFileBufferManager

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

the class DeletePackageFragmentRootChange method getFileContents.

private static String getFileContents(IFile file) throws CoreException {
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    IPath path = file.getFullPath();
    manager.connect(path, LocationKind.IFILE, new NullProgressMonitor());
    try {
        return manager.getTextFileBuffer(path, LocationKind.IFILE).getDocument().get();
    } finally {
        manager.disconnect(path, LocationKind.IFILE, new NullProgressMonitor());
    }
}

Example 48 with ITextFileBufferManager

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

the class TextFileChange method releaseDocument.

/**
	 * {@inheritDoc}
	 */
protected void releaseDocument(IDocument document, IProgressMonitor pm) throws CoreException {
    Assert.isTrue(fAcquireCount > 0);
    if (fAcquireCount == 1) {
        ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
        manager.disconnect(fFile.getFullPath(), LocationKind.IFILE, pm);
    }
    fAcquireCount--;
}

Example 49 with ITextFileBufferManager

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

the class UndoTextFileChange method perform.

/**
	 * {@inheritDoc}
	 */
public Change perform(IProgressMonitor pm) throws CoreException {
    if (pm == null)
        pm = new NullProgressMonitor();
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    //$NON-NLS-1$
    pm.beginTask("", 2);
    ITextFileBuffer buffer = null;
    try {
        manager.connect(fFile.getFullPath(), LocationKind.IFILE, new SubProgressMonitor(pm, 1));
        buffer = manager.getTextFileBuffer(fFile.getFullPath(), LocationKind.IFILE);
        IDocument document = buffer.getDocument();
        ContentStamp currentStamp = ContentStamps.get(fFile, document);
        boolean[] setContentStampSuccess = { false };
        UndoEdit redo = performEdits(buffer, document, setContentStampSuccess);
        if (needsSaving()) {
            buffer.commit(pm, false);
            if (!setContentStampSuccess[0]) {
                // We weren't able to restore document stamp.
                // Since we save restore the file stamp instead
                ContentStamps.set(fFile, fContentStampToRestore);
            }
        }
        return createUndoChange(redo, currentStamp);
    } catch (BadLocationException e) {
        if (fValidationState == null || !fValidationState.wasDerived())
            throw Changes.asCoreException(e);
        else
            return new NullChange();
    } catch (MalformedTreeException e) {
        if (fValidationState == null || !fValidationState.wasDerived())
            throw Changes.asCoreException(e);
        else
            return new NullChange();
    } catch (CoreException e) {
        if (fValidationState == null || !fValidationState.wasDerived())
            throw e;
        else
            return new NullChange();
    } finally {
        if (buffer != null)
            manager.disconnect(fFile.getFullPath(), LocationKind.IFILE, new SubProgressMonitor(pm, 1));
    }
}

Example 50 with ITextFileBufferManager

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

the class ModificationStampValidationState method getBuffer.

protected static ITextFileBuffer getBuffer(IFile file) {
    ITextFileBufferManager manager = FileBuffers.getTextFileBufferManager();
    IPath path = file.getFullPath();
    ITextFileBuffer buffer = manager.getTextFileBuffer(path, LocationKind.IFILE);
    return buffer;
}