Examples with EncodingMemento org.eclipse.wst.sse.core.internal.encoding.EncodingMemento used on opensource projects

Example 21 with EncodingMemento

use of org.eclipse.wst.sse.core.internal.encoding.EncodingMemento in project webtools.sourceediting by eclipse.

the class UnicodeBOMEncodingDetector method createEncodingMemento.

private EncodingMemento createEncodingMemento(String javaEncodingName) {
    EncodingMemento encodingMemento = new EncodingMemento();
    encodingMemento.setJavaCharsetName(javaEncodingName);
    String ianaName = Charset.forName(javaEncodingName).name();
    encodingMemento.setDetectedCharsetName(ianaName);
    if (javaEncodingName.equals(UTF_8_CHARSET_NAME)) {
        encodingMemento.setUTF83ByteBOMUsed(true);
    }
    return encodingMemento;
}

Example 22 with EncodingMemento

use of org.eclipse.wst.sse.core.internal.encoding.EncodingMemento in project webtools.sourceediting by eclipse.

the class ContentDescriberForJSP method handleStandardCalculations.

/**
 * @param description
 * @param detector
 * @throws IOException
 */
private void handleStandardCalculations(IContentDescription description, IResourceCharsetDetector detector) throws IOException {
    // note: if we're asked for one, we set them all. I need to be sure if
    // called
    // mulitiple times (one for each, say) that we don't waste time
    // processing same
    // content again.
    EncodingMemento encodingMemento = ((JSPResourceEncodingDetector) detector).getEncodingMemento();
    // TODO: I need to verify to see if this BOM work is always done
    // by text type.
    Object detectedByteOrderMark = encodingMemento.getUnicodeBOM();
    if (detectedByteOrderMark != null) {
        Object existingByteOrderMark = description.getProperty(IContentDescription.BYTE_ORDER_MARK);
        // need to "push" up into base.
        if (!detectedByteOrderMark.equals(existingByteOrderMark))
            description.setProperty(IContentDescription.BYTE_ORDER_MARK, detectedByteOrderMark);
    }
    if (!encodingMemento.isValid()) {
        // note: after setting here, its the mere presence of
        // IContentDescriptionExtended.UNSUPPORTED_CHARSET
        // in the resource's description that can be used to determine if
        // invalid
        // in those cases, the "detected" property contains an
        // "appropriate default" to use.
        description.setProperty(IContentDescriptionExtended.UNSUPPORTED_CHARSET, encodingMemento.getInvalidEncoding());
        description.setProperty(IContentDescriptionExtended.APPROPRIATE_DEFAULT, encodingMemento.getAppropriateDefault());
    }
    Object detectedCharset = encodingMemento.getDetectedCharsetName();
    Object javaCharset = encodingMemento.getJavaCharsetName();
    // we always include detected, if its different than java
    handleDetectedSpecialCase(description, detectedCharset, javaCharset);
    if (javaCharset != null) {
        Object existingCharset = description.getProperty(IContentDescription.CHARSET);
        if (javaCharset.equals(existingCharset)) {
            handleDetectedSpecialCase(description, detectedCharset, javaCharset);
        } else {
            // we may need to add what we found, but only need to add
            // if different from the default.
            Object defaultCharset = detector.getSpecDefaultEncoding();
            if (defaultCharset != null) {
                if (!defaultCharset.equals(javaCharset)) {
                    description.setProperty(IContentDescription.CHARSET, javaCharset);
                }
            } else {
                // assuming if there is no spec default, we always need to
                // add, I'm assuming
                description.setProperty(IContentDescription.CHARSET, javaCharset);
            }
        }
    }
}

Example 23 with EncodingMemento

use of org.eclipse.wst.sse.core.internal.encoding.EncodingMemento in project webtools.sourceediting by eclipse.

the class StructuredTextEditor method updateEncodingMemento.

private void updateEncodingMemento() {
    boolean failed = false;
    IStructuredModel internalModel = getInternalModel();
    if (internalModel != null) {
        IStructuredDocument doc = internalModel.getStructuredDocument();
        EncodingMemento memento = doc.getEncodingMemento();
        IDocumentCharsetDetector detector = internalModel.getModelHandler().getEncodingDetector();
        if (memento != null && detector != null) {
            detector.set(doc);
            try {
                String newEncoding = detector.getEncoding();
                if (newEncoding != null) {
                    memento.setDetectedCharsetName(newEncoding);
                }
            } catch (IOException e) {
                failed = true;
            }
        }
        /**
         * Be sure to use the new value but only if no exception
         * occurred. (we may find cases we need to do more error recovery
         * there) should be near impossible to get IOException from
         * processing the _document_
         */
        if (!failed) {
            doc.setEncodingMemento(memento);
        }
    }
}

Example 24 with EncodingMemento

use of org.eclipse.wst.sse.core.internal.encoding.EncodingMemento in project webtools.sourceediting by eclipse.

the class AbstractResourceEncodingDetector method getSpecDefaultEncodingMemento.

public EncodingMemento getSpecDefaultEncodingMemento() {
    resetAll();
    EncodingMemento result = null;
    String enc = getSpecDefaultEncoding();
    if (enc != null) {
        createEncodingMemento(enc, EncodingMemento.DEFAULTS_ASSUMED_FOR_EMPTY_INPUT);
        fEncodingMemento.setAppropriateDefault(enc);
        result = fEncodingMemento;
    }
    return result;
}

Example 25 with EncodingMemento

use of org.eclipse.wst.sse.core.internal.encoding.EncodingMemento in project webtools.sourceediting by eclipse.

the class AbstractResourceEncodingDetector method createEncodingMemento.

/**
 * Note: once this instance is created, trace info still needs to be
 * appended by caller, depending on the context its created.
 */
private void createEncodingMemento(String detectedCharsetName) {
    fEncodingMemento = new EncodingMemento();
    fEncodingMemento.setJavaCharsetName(getAppropriateJavaCharset(detectedCharsetName));
    fEncodingMemento.setDetectedCharsetName(detectedCharsetName);
    // TODO: if detectedCharset and spec default is
    // null, need to use "work
    // bench based" defaults.
    fEncodingMemento.setAppropriateDefault(getSpecDefaultEncoding());
}