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

Example 26 with UnsupportedCharsetException

use of java.nio.charset.UnsupportedCharsetException in project stanbol by apache.

the class AnalyzedTextWriter method writeTo.

@Override
public void writeTo(AnalysedText at, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
    String charsetName = mediaType.getParameters().get("charset");
    Charset charset = null;
    if (charsetName != null) {
        try {
            charset = Charset.forName(charsetName);
        } catch (IllegalCharsetNameException e) {
            log.warn("Unable to use charset defined by the parsed MediaType '" + mediaType + "! Fallback to default (UTF-8).", e);
        } catch (UnsupportedCharsetException e) {
            log.warn("Charset defined by the parsed MediaType '" + mediaType + " is not supported! Fallback to default (UTF-8).", e);
        }
    }
    getSerializer().serialize(at, entityStream, charset);
}

Example 27 with UnsupportedCharsetException

use of java.nio.charset.UnsupportedCharsetException in project ceylon-compiler by ceylon.

the class BaseFileManager method decode.

public CharBuffer decode(ByteBuffer inbuf, boolean ignoreEncodingErrors) {
    String encodingName = getEncodingName();
    CharsetDecoder decoder;
    try {
        decoder = getDecoder(encodingName, ignoreEncodingErrors);
    } catch (IllegalCharsetNameException e) {
        log.error("unsupported.encoding", encodingName);
        return (CharBuffer) CharBuffer.allocate(1).flip();
    } catch (UnsupportedCharsetException e) {
        log.error("unsupported.encoding", encodingName);
        return (CharBuffer) CharBuffer.allocate(1).flip();
    }
    // slightly overestimate the buffer size to avoid reallocation.
    float factor = decoder.averageCharsPerByte() * 0.8f + decoder.maxCharsPerByte() * 0.2f;
    CharBuffer dest = CharBuffer.allocate(10 + (int) (inbuf.remaining() * factor));
    while (true) {
        CoderResult result = decoder.decode(inbuf, dest, true);
        dest.flip();
        if (result.isUnderflow()) {
            // make sure there is at least one extra character
            if (dest.limit() == dest.capacity()) {
                dest = CharBuffer.allocate(dest.capacity() + 1).put(dest);
                dest.flip();
            }
            return dest;
        } else if (result.isOverflow()) {
            // buffer too small; expand
            int newCapacity = 10 + dest.capacity() + (int) (inbuf.remaining() * decoder.maxCharsPerByte());
            dest = CharBuffer.allocate(newCapacity).put(dest);
        } else if (result.isMalformed() || result.isUnmappable()) {
            // report coding error (warn only pre 1.5)
            if (!getSource().allowEncodingErrors()) {
                log.error(new SimpleDiagnosticPosition(dest.limit()), "illegal.char.for.encoding", charset == null ? encodingName : charset.name());
            } else {
                log.warning(new SimpleDiagnosticPosition(dest.limit()), "illegal.char.for.encoding", charset == null ? encodingName : charset.name());
            }
            // skip past the coding error
            inbuf.position(inbuf.position() + result.length());
            // undo the flip() to prepare the output buffer
            // for more translation
            dest.position(dest.limit());
            dest.limit(dest.capacity());
            // backward compatible
            dest.put((char) 0xfffd);
        } else {
            throw new AssertionError(result);
        }
    }
// unreached
}

Example 28 with UnsupportedCharsetException

use of java.nio.charset.UnsupportedCharsetException in project che by eclipse.

the class TextSearchVisitor method processFile.

/**
//	 * @return returns a map from IFile to IDocument for all open, dirty editors
//	 */
//	private Map evalNonFileBufferDocuments() {
//		Map result = new HashMap();
//		IWorkbench workbench = SearchPlugin.getDefault().getWorkbench();
//		IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
//		for (int i = 0; i < windows.length; i++) {
//			IWorkbenchPage[] pages = windows[i].getPages();
//			for (int x = 0; x < pages.length; x++) {
//				IEditorReference[] editorRefs = pages[x].getEditorReferences();
//				for (int z = 0; z < editorRefs.length; z++) {
//					IEditorPart ep = editorRefs[z].getEditor(false);
//					if (ep instanceof ITextEditor && ep.isDirty()) { // only dirty editors
//						evaluateTextEditor(result, ep);
//					}
//				}
//			}
//		}
//		return result;
//	}
//	private void evaluateTextEditor(Map result, IEditorPart ep) {
//		IEditorInput input= ep.getEditorInput();
//		if (input instanceof IFileEditorInput) {
//			IFile file= ((IFileEditorInput) input).getFile();
//			if (!result.containsKey(file)) { // take the first editor found
//				ITextFileBufferManager bufferManager= FileBuffers.getTextFileBufferManager();
//				ITextFileBuffer textFileBuffer= bufferManager.getTextFileBuffer(file.getFullPath(), LocationKind.IFILE);
//				if (textFileBuffer != null) {
//					// file buffer has precedence
//					result.put(file, textFileBuffer.getDocument());
//				} else {
//					// use document provider
//					IDocument document= ((ITextEditor) ep).getDocumentProvider().getDocument(input);
//					if (document != null) {
//						result.put(file, document);
//					}
//				}
//			}
//		}
//	}
public boolean processFile(IFile file, Map documentsInEditors) {
    try {
        if (!fCollector.acceptFile(file) || fMatcher == null) {
            return true;
        }
        IDocument document = getOpenDocument(file, documentsInEditors);
        if (document != null) {
            DocumentCharSequence documentCharSequence = new DocumentCharSequence(document);
            // assume all documents are non-binary
            locateMatches(file, documentCharSequence);
        } else {
            CharSequence seq = null;
            try {
                seq = fFileCharSequenceProvider.newCharSequence(file);
                if (hasBinaryContent(seq, file) && !fCollector.reportBinaryFile(file)) {
                    return true;
                }
                locateMatches(file, seq);
            } catch (FileCharSequenceProvider.FileCharSequenceException e) {
                e.throwWrappedException();
            } finally {
                if (seq != null) {
                    try {
                        fFileCharSequenceProvider.releaseCharSequence(seq);
                    } catch (IOException e) {
                        SearchPlugin.log(e);
                    }
                }
            }
        }
    } catch (UnsupportedCharsetException e) {
        String[] args = { getCharSetName(file), file.getFullPath().makeRelative().toString() };
        String message = Messages.format(SearchMessages.TextSearchVisitor_unsupportedcharset, args);
        fStatus.add(new Status(IStatus.ERROR, NewSearchUI.PLUGIN_ID, IStatus.ERROR, message, e));
    } catch (IllegalCharsetNameException e) {
        String[] args = { getCharSetName(file), file.getFullPath().makeRelative().toString() };
        String message = Messages.format(SearchMessages.TextSearchVisitor_illegalcharset, args);
        fStatus.add(new Status(IStatus.ERROR, NewSearchUI.PLUGIN_ID, IStatus.ERROR, message, e));
    } catch (IOException e) {
        String[] args = { getExceptionMessage(e), file.getFullPath().makeRelative().toString() };
        String message = Messages.format(SearchMessages.TextSearchVisitor_error, args);
        fStatus.add(new Status(IStatus.ERROR, NewSearchUI.PLUGIN_ID, IStatus.ERROR, message, e));
    } catch (CoreException e) {
        String[] args = { getExceptionMessage(e), file.getFullPath().makeRelative().toString() };
        String message = Messages.format(SearchMessages.TextSearchVisitor_error, args);
        fStatus.add(new Status(IStatus.ERROR, NewSearchUI.PLUGIN_ID, IStatus.ERROR, message, e));
    } catch (StackOverflowError e) {
        String message = SearchMessages.TextSearchVisitor_patterntoocomplex0;
        fStatus.add(new Status(IStatus.ERROR, NewSearchUI.PLUGIN_ID, IStatus.ERROR, message, e));
        return false;
    } finally {
        fNumberOfScannedFiles++;
    }
    if (fProgressMonitor.isCanceled())
        throw new OperationCanceledException(SearchMessages.TextSearchVisitor_canceled);
    return true;
}

Example 29 with UnsupportedCharsetException

use of java.nio.charset.UnsupportedCharsetException in project gitblit by gitblit.

the class StringUtils method decodeString.

/**
	 * Decodes a string by trying several charsets until one does not throw a
	 * coding exception.  Last resort is to interpret as UTF-8 with illegal
	 * character substitution.
	 *
	 * @param content
	 * @param charsets optional
	 * @return a string
	 */
public static String decodeString(byte[] content, String... charsets) {
    Set<String> sets = new LinkedHashSet<String>();
    if (!ArrayUtils.isEmpty(charsets)) {
        sets.addAll(Arrays.asList(charsets));
    }
    String value = null;
    sets.addAll(Arrays.asList("UTF-8", "ISO-8859-1", Charset.defaultCharset().name()));
    for (String charset : sets) {
        try {
            Charset cs = Charset.forName(charset);
            CharsetDecoder decoder = cs.newDecoder();
            CharBuffer buffer = decoder.decode(ByteBuffer.wrap(content));
            value = buffer.toString();
            break;
        } catch (CharacterCodingException e) {
        // ignore and advance to the next charset
        } catch (IllegalCharsetNameException e) {
        // ignore illegal charset names
        } catch (UnsupportedCharsetException e) {
        // ignore unsupported charsets
        }
    }
    if (value != null && value.startsWith("")) {
        // strip UTF-8 BOM
        return value.substring(1);
    }
    return value;
}

Example 30 with UnsupportedCharsetException

use of java.nio.charset.UnsupportedCharsetException in project j2objc by google.

the class IOSCharsetDecoder method decodeImpl.

private String decodeImpl(ByteBuffer in) {
    Charset cs = charset();
    if (!(cs instanceof IOSCharset)) {
        throw new UnsupportedCharsetException(cs.name());
    }
    byte[] bytes;
    int i;
    if (inBuffer != null) {
        i = inBuffer.length;
        bytes = new byte[i + in.remaining()];
        System.arraycopy(inBuffer, 0, bytes, 0, inBuffer.length);
        inBuffer = null;
    } else {
        i = 0;
        bytes = new byte[in.remaining()];
    }
    in.get(bytes, i, bytes.length - i);
    String s = decode(bytes, nsEncoding);
    if (s.isEmpty()) {
        inBuffer = bytes;
    } else {
        inBuffer = null;
    }
    return s;
}