Examples with IFileInfo org.eclipse.core.filesystem.IFileInfo used on opensource projects

Example 31 with IFileInfo

use of org.eclipse.core.filesystem.IFileInfo in project eclipse.platform.text by eclipse.

the class FileBuffersForWorkspaceFiles method modifyUnderlyingFile.

@Override
protected boolean modifyUnderlyingFile() throws Exception {
    IFileStore fileStore = FileBuffers.getFileStoreAtLocation(getPath());
    assertTrue(fileStore.fetchInfo().exists());
    OutputStream out = fileStore.openOutputStream(EFS.NONE, null);
    try {
        out.write("Changed content of workspace file".getBytes());
        out.flush();
    } catch (IOException x) {
        fail();
    } finally {
        out.close();
    }
    IFileInfo fileInfo = fileStore.fetchInfo();
    fileInfo.setLastModified(1000);
    fileStore.putInfo(fileInfo, EFS.SET_LAST_MODIFIED, null);
    IFile iFile = FileBuffers.getWorkspaceFileAtLocation(getPath());
    assertTrue(iFile.exists() && iFile.getFullPath().equals(getPath()));
    iFile.refreshLocal(IResource.DEPTH_INFINITE, null);
    return true;
}

Example 32 with IFileInfo

use of org.eclipse.core.filesystem.IFileInfo in project eclipse.platform.text by eclipse.

the class FileStoreFileBufferFunctions method test6.

/*
	 * Test revert.
	 */
@Test
public void test6() throws Exception {
    fManager.connectFileStore(fFileStore, null);
    try {
        ITextFileBuffer fileBuffer = fManager.getFileStoreTextFileBuffer(fFileStore);
        // set dirty bit
        IDocument document = fileBuffer.getDocument();
        String originalContent = document.get();
        document.replace(document.getLength(), 0, "appendix");
        // invalidate synchronization state
        IFileInfo fileInfo = fFileStore.fetchInfo();
        fileInfo.setLastModified(1000);
        if (fileInfo.exists())
            fFileStore.putInfo(fileInfo, EFS.SET_LAST_MODIFIED, null);
        // revert
        fileBuffer.revert(null);
        // check assertions
        assertEquals(originalContent, document.get());
        assertFalse(fileBuffer.isDirty());
        assertTrue(fileBuffer.isSynchronized());
    } finally {
        fManager.disconnectFileStore(fFileStore, null);
    }
}

Example 33 with IFileInfo

use of org.eclipse.core.filesystem.IFileInfo 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 34 with IFileInfo

use of org.eclipse.core.filesystem.IFileInfo 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 35 with IFileInfo

use of org.eclipse.core.filesystem.IFileInfo in project eclipse.platform.text by eclipse.

the class FileStoreFileBuffer method create.

public void create(IFileStore fileStore, IProgressMonitor monitor) throws CoreException {
    IFileInfo info = fileStore.fetchInfo();
    fFileStore = fileStore;
    if (fLocation == null)
        fLocation = URIUtil.toPath(fileStore.toURI());
    initializeFileBufferContent(monitor);
    if (info.exists())
        fSynchronizationStamp = info.getLastModified();
    addFileBufferContentListeners();
}