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

Example 1 with IPersistableAnnotationModel

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

the class FileStoreTextFileBuffer method revert.

@Override
public void revert(IProgressMonitor monitor) throws CoreException {
    if (isDisconnected())
        return;
    IDocument original = null;
    fStatus = null;
    try {
        original = fManager.createEmptyDocument(getLocationOrName(), LocationKind.LOCATION);
        cacheEncodingState();
        setDocumentContent(original, fFileStore, fEncoding, fHasBOM, monitor);
    } catch (CoreException x) {
        fStatus = x.getStatus();
    }
    if (original == null)
        return;
    String originalContents = original.get();
    boolean replaceContents = !originalContents.equals(fDocument.get());
    if (!replaceContents && !fCanBeSaved)
        return;
    fManager.fireStateChanging(this);
    try {
        if (replaceContents) {
            fManager.fireBufferContentAboutToBeReplaced(this);
            fDocument.set(original.get());
        }
        boolean fireDirtyStateChanged = fCanBeSaved;
        if (fCanBeSaved) {
            fCanBeSaved = false;
            addFileBufferContentListeners();
        }
        if (replaceContents)
            fManager.fireBufferContentReplaced(this);
        IFileInfo info = fFileStore.fetchInfo();
        if (info.exists())
            fSynchronizationStamp = fFileStore.fetchInfo().getLastModified();
        if (fAnnotationModel instanceof IPersistableAnnotationModel) {
            IPersistableAnnotationModel persistableModel = (IPersistableAnnotationModel) fAnnotationModel;
            try {
                persistableModel.revert(fDocument);
            } catch (CoreException x) {
                fStatus = x.getStatus();
            }
        }
        if (fireDirtyStateChanged)
            fManager.fireDirtyStateChanged(this, fCanBeSaved);
    } catch (RuntimeException x) {
        fManager.fireStateChangeFailed(this);
        throw x;
    }
}

Example 2 with IPersistableAnnotationModel

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

the class FileStoreTextFileBuffer method commitFileBufferContent.

@Override
protected void commitFileBufferContent(IProgressMonitor monitor, boolean overwrite) throws CoreException {
    if (!isSynchronized() && !overwrite) {
        String message = NLSUtility.format(FileBuffersMessages.FileBuffer_error_outOfSync, getFileStore().toURI());
        throw new CoreException(new Status(IStatus.WARNING, FileBuffersPlugin.PLUGIN_ID, IResourceStatus.OUT_OF_SYNC_LOCAL, message, null));
    }
    String encoding = computeEncoding();
    Charset charset;
    try {
        charset = Charset.forName(encoding);
    } catch (UnsupportedCharsetException ex) {
        String message = NLSUtility.format(FileBuffersMessages.ResourceTextFileBuffer_error_unsupported_encoding_message_arg, encoding);
        IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, ex);
        throw new CoreException(s);
    } catch (IllegalCharsetNameException ex) {
        String message = NLSUtility.format(FileBuffersMessages.ResourceTextFileBuffer_error_illegal_encoding_message_arg, encoding);
        IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, ex);
        throw new CoreException(s);
    }
    CharsetEncoder encoder = charset.newEncoder();
    encoder.onMalformedInput(CodingErrorAction.REPLACE);
    encoder.onUnmappableCharacter(CodingErrorAction.REPORT);
    byte[] bytes;
    int bytesLength;
    try {
        ByteBuffer byteBuffer = encoder.encode(CharBuffer.wrap(fDocument.get()));
        bytesLength = byteBuffer.limit();
        if (byteBuffer.hasArray())
            bytes = byteBuffer.array();
        else {
            bytes = new byte[bytesLength];
            byteBuffer.get(bytes);
        }
    } catch (CharacterCodingException ex) {
        Assert.isTrue(ex instanceof UnmappableCharacterException);
        String message = NLSUtility.format(FileBuffersMessages.ResourceTextFileBuffer_error_charset_mapping_failed_message_arg, encoding);
        IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IFileBufferStatusCodes.CHARSET_MAPPING_FAILED, message, null);
        throw new CoreException(s);
    }
    IFileInfo fileInfo = fFileStore.fetchInfo();
    if (fileInfo != null && fileInfo.exists()) {
        if (!overwrite)
            checkSynchronizationState();
        InputStream stream = new ByteArrayInputStream(bytes, 0, bytesLength);
        /*
			 * XXX:
			 * This is a workaround for a corresponding bug in Java readers and writer,
			 * see http://developer.java.sun.com/developer/bugParade/bugs/4508058.html
			 */
        if (fHasBOM && CHARSET_UTF_8.equals(encoding))
            stream = new SequenceInputStream(new ByteArrayInputStream(IContentDescription.BOM_UTF_8), stream);
        // here the file synchronizer should actually be removed and afterwards added again. However,
        // we are already inside an operation, so the delta is sent AFTER we have added the listener
        setFileContents(stream, monitor);
        // set synchronization stamp to know whether the file synchronizer must become active
        fSynchronizationStamp = fFileStore.fetchInfo().getLastModified();
        if (fAnnotationModel instanceof IPersistableAnnotationModel) {
            IPersistableAnnotationModel persistableModel = (IPersistableAnnotationModel) fAnnotationModel;
            persistableModel.commit(fDocument);
        }
    } else {
        fFileStore.getParent().mkdir(EFS.NONE, null);
        try (OutputStream out = fFileStore.openOutputStream(EFS.NONE, null)) {
            /*
				 * XXX:
				 * This is a workaround for a corresponding bug in Java readers and writer,
				 * see http://developer.java.sun.com/developer/bugParade/bugs/4508058.html
				 */
            if (fHasBOM && CHARSET_UTF_8.equals(encoding))
                out.write(IContentDescription.BOM_UTF_8);
            out.write(bytes, 0, bytesLength);
            out.flush();
            out.close();
        } catch (IOException x) {
            IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, x.getLocalizedMessage(), x);
            throw new CoreException(s);
        }
        // set synchronization stamp to know whether the file synchronizer must become active
        fSynchronizationStamp = fFileStore.fetchInfo().getLastModified();
    }
}

Example 3 with IPersistableAnnotationModel

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

the class ResourceTextFileBuffer method handleFileContentChanged.

@Override
protected void handleFileContentChanged(boolean revert, boolean updateModificationStamp) throws CoreException {
    IDocument document = getManager().createEmptyDocument(fFile);
    IStatus status = null;
    try {
        cacheEncodingState();
        setDocumentContent(document, fFile, fEncoding);
    } catch (CoreException x) {
        status = x.getStatus();
    }
    String newContent = document.get();
    boolean replaceContent = updateModificationStamp || !newContent.equals(fDocument.get());
    if (replaceContent)
        fManager.fireBufferContentAboutToBeReplaced(this);
    removeFileBufferContentListeners();
    fSynchronizationStamp = fFile.getModificationStamp();
    if (replaceContent) {
        if (fDocument instanceof IDocumentExtension4)
            ((IDocumentExtension4) fDocument).set(newContent, fSynchronizationStamp);
        else
            fDocument.set(newContent);
    }
    fCanBeSaved = false;
    fStatus = status;
    addFileBufferContentListeners();
    if (replaceContent)
        fManager.fireBufferContentReplaced(this);
    if (fAnnotationModel instanceof IPersistableAnnotationModel) {
        IPersistableAnnotationModel persistableModel = (IPersistableAnnotationModel) fAnnotationModel;
        try {
            if (revert)
                persistableModel.revert(fDocument);
            else
                persistableModel.reinitialize(fDocument);
        } catch (CoreException x) {
            fStatus = x.getStatus();
        }
    }
    fManager.fireDirtyStateChanged(this, fCanBeSaved);
}

Example 4 with IPersistableAnnotationModel

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

the class ResourceTextFileBuffer method commitFileBufferContent.

@Override
protected void commitFileBufferContent(IProgressMonitor monitor, boolean overwrite) throws CoreException {
    if (!isSynchronized() && !overwrite) {
        String message = NLSUtility.format(FileBuffersMessages.FileBuffer_error_outOfSync, getFileStore().toURI());
        throw new CoreException(new Status(IStatus.WARNING, FileBuffersPlugin.PLUGIN_ID, IResourceStatus.OUT_OF_SYNC_LOCAL, message, null));
    }
    String encoding = computeEncoding();
    if (fBOM == IContentDescription.BOM_UTF_16LE && CHARSET_UTF_16.equals(encoding))
        encoding = CHARSET_UTF_16LE;
    Charset charset;
    try {
        charset = Charset.forName(encoding);
    } catch (UnsupportedCharsetException ex) {
        String message = NLSUtility.format(FileBuffersMessages.ResourceTextFileBuffer_error_unsupported_encoding_message_arg, encoding);
        IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, ex);
        throw new CoreException(s);
    } catch (IllegalCharsetNameException ex) {
        String message = NLSUtility.format(FileBuffersMessages.ResourceTextFileBuffer_error_illegal_encoding_message_arg, encoding);
        IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IStatus.OK, message, ex);
        throw new CoreException(s);
    }
    CharsetEncoder encoder = charset.newEncoder();
    encoder.onMalformedInput(CodingErrorAction.REPLACE);
    encoder.onUnmappableCharacter(CodingErrorAction.REPORT);
    InputStream stream;
    try {
        byte[] bytes;
        ByteBuffer byteBuffer = encoder.encode(CharBuffer.wrap(fDocument.get()));
        if (byteBuffer.hasArray())
            bytes = byteBuffer.array();
        else {
            bytes = new byte[byteBuffer.limit()];
            byteBuffer.get(bytes);
        }
        stream = new ByteArrayInputStream(bytes, 0, byteBuffer.limit());
    } catch (CharacterCodingException ex) {
        Assert.isTrue(ex instanceof UnmappableCharacterException);
        String message = NLSUtility.format(FileBuffersMessages.ResourceTextFileBuffer_error_charset_mapping_failed_message_arg, encoding);
        IStatus s = new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IFileBufferStatusCodes.CHARSET_MAPPING_FAILED, message, ex);
        throw new CoreException(s);
    }
    /*
		 * XXX:
		 * This is a workaround for a corresponding bug in Java readers and writer,
		 * see http://developer.java.sun.com/developer/bugParade/bugs/4508058.html
		 */
    if (fBOM == IContentDescription.BOM_UTF_8 && CHARSET_UTF_8.equals(encoding))
        stream = new SequenceInputStream(new ByteArrayInputStream(IContentDescription.BOM_UTF_8), stream);
    if (fBOM == IContentDescription.BOM_UTF_16LE && CHARSET_UTF_16LE.equals(encoding))
        stream = new SequenceInputStream(new ByteArrayInputStream(IContentDescription.BOM_UTF_16LE), stream);
    if (fFile.exists()) {
        // here the file synchronizer should actually be removed and afterwards added again. However,
        // we are already inside an operation, so the delta is sent AFTER we have added the listener
        fFile.setContents(stream, overwrite, true, monitor);
        if (fDocument instanceof IDocumentExtension4) {
            fSynchronizationStamp = ((IDocumentExtension4) fDocument).getModificationStamp();
            fFile.revertModificationStamp(fSynchronizationStamp);
        } else
            fSynchronizationStamp = fFile.getModificationStamp();
        if (fAnnotationModel instanceof IPersistableAnnotationModel) {
            IPersistableAnnotationModel persistableModel = (IPersistableAnnotationModel) fAnnotationModel;
            persistableModel.commit(fDocument);
        }
    } else {
        SubMonitor subMonitor = SubMonitor.convert(monitor, FileBuffersMessages.ResourceTextFileBuffer_task_saving, 2);
        ContainerCreator creator = new ContainerCreator(fFile.getWorkspace(), fFile.getParent().getFullPath());
        creator.createContainer(subMonitor.split(1));
        fFile.create(stream, false, subMonitor.split(1));
        // set synchronization stamp to know whether the file synchronizer must become active
        fSynchronizationStamp = fFile.getModificationStamp();
        subMonitor.split(1);
    // TODO commit persistable annotation model
    }
}