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

Example 26 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project jdk8u_jdk by JetBrains.

the class StringCoding method decode.

static char[] decode(Charset cs, byte[] ba, int off, int len) {
    // (1)We never cache the "external" cs, the only benefit of creating
    // an additional StringDe/Encoder object to wrap it is to share the
    // de/encode() method. These SD/E objects are short-lifed, the young-gen
    // gc should be able to take care of them well. But the best approash
    // is still not to generate them if not really necessary.
    // (2)The defensive copy of the input byte/char[] has a big performance
    // impact, as well as the outgoing result byte/char[]. Need to do the
    // optimization check of (sm==null && classLoader0==null) for both.
    // (3)getClass().getClassLoader0() is expensive
    // (4)There might be a timing gap in isTrusted setting. getClassLoader0()
    // is only chcked (and then isTrusted gets set) when (SM==null). It is
    // possible that the SM==null for now but then SM is NOT null later
    // when safeTrim() is invoked...the "safe" way to do is to redundant
    // check (... && (isTrusted || SM == null || getClassLoader0())) in trim
    // but it then can be argued that the SM is null when the opertaion
    // is started...
    CharsetDecoder cd = cs.newDecoder();
    int en = scale(len, cd.maxCharsPerByte());
    char[] ca = new char[en];
    if (len == 0)
        return ca;
    boolean isTrusted = false;
    if (System.getSecurityManager() != null) {
        if (!(isTrusted = (cs.getClass().getClassLoader0() == null))) {
            ba = Arrays.copyOfRange(ba, off, off + len);
            off = 0;
        }
    }
    cd.onMalformedInput(CodingErrorAction.REPLACE).onUnmappableCharacter(CodingErrorAction.REPLACE).reset();
    if (cd instanceof ArrayDecoder) {
        int clen = ((ArrayDecoder) cd).decode(ba, off, len, ca);
        return safeTrim(ca, clen, cs, isTrusted);
    } else {
        ByteBuffer bb = ByteBuffer.wrap(ba, off, len);
        CharBuffer cb = CharBuffer.wrap(ca);
        try {
            CoderResult cr = cd.decode(bb, cb, true);
            if (!cr.isUnderflow())
                cr.throwException();
            cr = cd.flush(cb);
            if (!cr.isUnderflow())
                cr.throwException();
        } catch (CharacterCodingException x) {
            // so this shouldn't happen
            throw new Error(x);
        }
        return safeTrim(ca, cb.position(), cs, isTrusted);
    }
}

Example 27 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project jdk8u_jdk by JetBrains.

the class StringCoding method encode.

static byte[] encode(Charset cs, char[] ca, int off, int len) {
    CharsetEncoder ce = cs.newEncoder();
    int en = scale(len, ce.maxBytesPerChar());
    byte[] ba = new byte[en];
    if (len == 0)
        return ba;
    boolean isTrusted = false;
    if (System.getSecurityManager() != null) {
        if (!(isTrusted = (cs.getClass().getClassLoader0() == null))) {
            ca = Arrays.copyOfRange(ca, off, off + len);
            off = 0;
        }
    }
    ce.onMalformedInput(CodingErrorAction.REPLACE).onUnmappableCharacter(CodingErrorAction.REPLACE).reset();
    if (ce instanceof ArrayEncoder) {
        int blen = ((ArrayEncoder) ce).encode(ca, off, len, ba);
        return safeTrim(ba, blen, cs, isTrusted);
    } else {
        ByteBuffer bb = ByteBuffer.wrap(ba);
        CharBuffer cb = CharBuffer.wrap(ca, off, len);
        try {
            CoderResult cr = ce.encode(cb, bb, true);
            if (!cr.isUnderflow())
                cr.throwException();
            cr = ce.flush(bb);
            if (!cr.isUnderflow())
                cr.throwException();
        } catch (CharacterCodingException x) {
            throw new Error(x);
        }
        return safeTrim(ba, bb.position(), cs, isTrusted);
    }
}

Example 28 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project eclipse.platform.text by eclipse.

the class FileDocumentProvider method doSaveDocument.

@Override
protected void doSaveDocument(IProgressMonitor monitor, Object element, IDocument document, boolean overwrite) throws CoreException {
    if (element instanceof IFileEditorInput) {
        IFileEditorInput input = (IFileEditorInput) element;
        String encoding = null;
        FileInfo info = (FileInfo) getElementInfo(element);
        IFile file = input.getFile();
        encoding = getCharsetForNewFile(file, document, info);
        if (info != null && info.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(TextEditorMessages.DocumentProvider_error_unsupported_encoding_message_arg, encoding);
            IStatus s = new Status(IStatus.ERROR, EditorsUI.PLUGIN_ID, IStatus.OK, message, ex);
            throw new CoreException(s);
        } catch (IllegalCharsetNameException ex) {
            String message = NLSUtility.format(TextEditorMessages.DocumentProvider_error_illegal_encoding_message_arg, 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 = NLSUtility.format(TextEditorMessages.DocumentProvider_error_charset_mapping_failed_message_arg, encoding);
            IStatus s = new Status(IStatus.ERROR, EditorsUI.PLUGIN_ID, EditorsUI.CHARSET_MAPPING_FAILED, message, null);
            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 (info != null && info.fBOM == IContentDescription.BOM_UTF_8 && CHARSET_UTF_8.equals(encoding))
            stream = new SequenceInputStream(new ByteArrayInputStream(IContentDescription.BOM_UTF_8), stream);
        if (info != null && info.fBOM == IContentDescription.BOM_UTF_16LE && CHARSET_UTF_16LE.equals(encoding))
            stream = new SequenceInputStream(new ByteArrayInputStream(IContentDescription.BOM_UTF_16LE), stream);
        if (file.exists()) {
            if (info != null && !overwrite)
                checkSynchronizationState(info.fModificationStamp, file);
            // inform about the upcoming content change
            fireElementStateChanging(element);
            try {
                file.setContents(stream, overwrite, true, monitor);
            } catch (CoreException x) {
                // inform about failure
                fireElementStateChangeFailed(element);
                throw x;
            } catch (RuntimeException x) {
                // inform about failure
                fireElementStateChangeFailed(element);
                throw x;
            }
            if (info != null) {
                ResourceMarkerAnnotationModel model = (ResourceMarkerAnnotationModel) info.fModel;
                if (model != null)
                    model.updateMarkers(info.fDocument);
                info.fModificationStamp = computeModificationStamp(file);
            }
        } else {
            SubMonitor subMonitor = SubMonitor.convert(monitor, TextEditorMessages.FileDocumentProvider_task_saving, 2);
            ContainerCreator creator = new ContainerCreator(file.getWorkspace(), file.getParent().getFullPath());
            creator.createContainer(subMonitor.split(1));
            file.create(stream, false, subMonitor.split(1));
        }
    } else {
        super.doSaveDocument(monitor, element, document, overwrite);
    }
}

Example 29 with CharacterCodingException

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

the class RpmPackageProposalsList method getRpmInfo.

public String getRpmInfo(String pkgName) {
    // $NON-NLS-1$
    String ret = "";
    try {
        ret = // $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
        Utils.runCommandToString(// $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
        "rpm", // $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
        "-q", // $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
        pkgName, // $NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
        "--qf", getformattedRpmInformations());
    } catch (IOException e) {
        SpecfileLog.logError(e);
        return Messages.RpmPackageProposalsList_2 + Messages.RpmPackageProposalsList_3;
    }
    // Create encoder and decoder
    // $NON-NLS-1$
    CharsetDecoder decoder = Charset.forName(System.getProperty("file.encoding")).newDecoder();
    /*
		 * TODO: Jcharset may be used to detect the inputstream encoding if it's
		 * required? http://jchardet.sourceforge.net
		 */
    // $NON-NLS-1$
    CharsetEncoder encoder = Charset.forName("ISO-8859-1").newEncoder();
    try {
        ByteBuffer bbuf = encoder.encode(CharBuffer.wrap(ret));
        CharBuffer cbuf = decoder.decode(bbuf);
        ret = cbuf.toString();
    } catch (CharacterCodingException e) {
    // If an error occurs when re-encoding the output, the original
    // output is returned.
    }
    return ret;
}

Example 30 with CharacterCodingException

use of java.nio.charset.CharacterCodingException in project checker-framework by typetools.

the class StringCoding method decode.

static char[] decode(Charset cs, byte[] ba, int off, int len) {
    // (1)We never cache the "external" cs, the only benefit of creating
    // an additional StringDe/Encoder object to wrap it is to share the
    // de/encode() method. These SD/E objects are short-lifed, the young-gen
    // gc should be able to take care of them well. But the best approash
    // is still not to generate them if not really necessary.
    // (2)The defensive copy of the input byte/char[] has a big performance
    // impact, as well as the outgoing result byte/char[]. Need to do the
    // optimization check of (sm==null && classLoader0==null) for both.
    // (3)getClass().getClassLoader0() is expensive
    // (4)There might be a timing gap in isTrusted setting. getClassLoader0()
    // is only chcked (and then isTrusted gets set) when (SM==null). It is
    // possible that the SM==null for now but then SM is NOT null later
    // when safeTrim() is invoked...the "safe" way to do is to redundant
    // check (... && (isTrusted || SM == null || getClassLoader0())) in trim
    // but it then can be argued that the SM is null when the opertaion
    // is started...
    CharsetDecoder cd = cs.newDecoder();
    int en = scale(len, cd.maxCharsPerByte());
    char[] ca = new char[en];
    if (len == 0)
        return ca;
    boolean isTrusted = false;
    if (System.getSecurityManager() != null) {
        if (!(isTrusted = (cs.getClass().getClassLoader0() == null))) {
            ba = Arrays.copyOfRange(ba, off, off + len);
            off = 0;
        }
    }
    cd.onMalformedInput(CodingErrorAction.REPLACE).onUnmappableCharacter(CodingErrorAction.REPLACE).reset();
    if (cd instanceof ArrayDecoder) {
        int clen = ((ArrayDecoder) cd).decode(ba, off, len, ca);
        return safeTrim(ca, clen, cs, isTrusted);
    } else {
        ByteBuffer bb = ByteBuffer.wrap(ba, off, len);
        CharBuffer cb = CharBuffer.wrap(ca);
        try {
            CoderResult cr = cd.decode(bb, cb, true);
            if (!cr.isUnderflow())
                cr.throwException();
            cr = cd.flush(cb);
            if (!cr.isUnderflow())
                cr.throwException();
        } catch (CharacterCodingException x) {
            // so this shouldn't happen
            throw new Error(x);
        }
        return safeTrim(ca, cb.position(), cs, isTrusted);
    }
}