Examples with CharsetEncoder java.nio.charset.CharsetEncoder used on opensource projects

Example 81 with CharsetEncoder

use of java.nio.charset.CharsetEncoder 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 82 with CharsetEncoder

use of java.nio.charset.CharsetEncoder 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
    }
}

Example 83 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project linuxtools by eclipse.

the class DockerDocumentProvider method doSaveDocument.

@Override
protected void doSaveDocument(IProgressMonitor monitor, Object element, IDocument document, boolean overwrite) throws CoreException {
    if (element instanceof FileStoreEditorInput) {
        String encoding = null;
        ElementInfo info = getElementInfo(element);
        Path filePath = Paths.get(((FileStoreEditorInput) element).getURI());
        encoding = getEncoding(element);
        Charset charset;
        try {
            charset = Charset.forName(encoding);
        } catch (UnsupportedCharsetException ex) {
            String message = NLS.bind(Messages.DockerDocumentProvider_encoding_not_supported, encoding);
            IStatus s = new Status(IStatus.ERROR, EditorsUI.PLUGIN_ID, IStatus.OK, message, ex);
            throw new CoreException(s);
        } catch (IllegalCharsetNameException ex) {
            String message = NLS.bind(Messages.DockerDocumentProvider_encoding_not_legal, encoding);
            IStatus s = new Status(IStatus.ERROR, EditorsUI.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(document.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 = NLS.bind(Messages.DockerDocumentProvider_cannot_be_mapped + Messages.DockerDocumentProvider_chars_not_supported, encoding);
            IStatus s = new Status(IStatus.ERROR, EditorsUI.PLUGIN_ID, EditorsUI.CHARSET_MAPPING_FAILED, message, null);
            throw new CoreException(s);
        }
        if (Files.exists(filePath)) {
            // inform about the upcoming content change
            fireElementStateChanging(element);
            try (FileWriter fw = new FileWriter(filePath.toFile());
                InputStreamReader istream = new InputStreamReader(stream)) {
                char[] bb = new char[1024];
                int nRead = istream.read(bb);
                while (nRead > 0) {
                    fw.write(bb, 0, nRead);
                    nRead = istream.read(bb);
                }
            } catch (RuntimeException | IOException x) {
                // inform about failure
                fireElementStateChangeFailed(element);
                throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, x.getMessage()));
            }
            if (info != null) {
                ResourceMarkerAnnotationModel model = (ResourceMarkerAnnotationModel) info.fModel;
                if (model != null)
                    model.updateMarkers(info.fDocument);
            }
        } else {
            try {
                Files.createFile(filePath);
                try (FileWriter fw = new FileWriter(filePath.toFile());
                    InputStreamReader istream = new InputStreamReader(stream)) {
                    char[] bb = new char[1024];
                    int nRead = istream.read(bb);
                    while (nRead > 0) {
                        fw.write(bb, 0, nRead);
                        nRead = istream.read(bb);
                    }
                } catch (IOException x) {
                    throw x;
                }
            } catch (IOException e) {
                throw new CoreException(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage()));
            } finally {
                monitor.done();
            }
        }
    } else {
        super.doSaveDocument(monitor, element, document, overwrite);
    }
}

Example 84 with CharsetEncoder

use of java.nio.charset.CharsetEncoder in project Payara by payara.

the class Utility method convertCharArrayToByteArray.

/**
 * Convert the char array to byte array with respect to given charset.
 *
 * @param charArray
 * @param strCharset  null or "" means default charset
 * @exception CharacterCodingException
 */
public static byte[] convertCharArrayToByteArray(char[] charArray, String strCharset) throws CharacterCodingException {
    if (charArray == null) {
        return null;
    }
    char[] cArray = (char[]) charArray.clone();
    CharBuffer charBuffer = CharBuffer.wrap(cArray);
    Charset charSet;
    if (strCharset == null || "".equals(strCharset)) {
        charSet = Charset.defaultCharset();
    } else if (Charset.isSupported(strCharset)) {
        charSet = Charset.forName(strCharset);
    } else {
        CharacterCodingException e = new CharacterCodingException();
        e.initCause(new UnsupportedCharsetException(strCharset));
        throw e;
    }
    CharsetEncoder encoder = charSet.newEncoder();
    ByteBuffer byteBuffer = null;
    try {
        byteBuffer = encoder.encode(charBuffer);
    } catch (CharacterCodingException cce) {
        throw cce;
    } catch (Throwable t) {
        CharacterCodingException e = new CharacterCodingException();
        e.initCause(t);
        throw e;
    }
    byte[] result = new byte[byteBuffer.remaining()];
    byteBuffer.get(result);
    clear(byteBuffer);
    clear(charBuffer);
    return result.clone();
}