Examples of org.apache.xerces.xni.Augmentations

org.apache.xerces.xni.Augmentations
The Augmentations interface defines a table of additional data that may be passed along the document pipeline. The information can contain extra arguments or infoset augmentations, for example PSVI. This additional information is identified by a String key.
Note: Methods that receive Augmentations are required to copy the information if it is to be saved for use beyond the scope of the method. The Augmentations content is volatile, and maybe modified by any method in any component in the pipeline. Therefore, methods passed this structure should not save any reference to the structure. @author Elena Litani, IBM

    public void endElement(QName element, Augmentations augs) throws XNIException {


        // in the case where there is a {value constraint}, and the element
        // doesn't have any text content, add a characters call.
        fDefaultValue = null;
        Augmentations modifiedAugs = handleEndElement(element, augs);
        // call handlers
        if (fDocumentHandler != null) {
            if (!fSchemaElementDefault || fDefaultValue == null) {
                fDocumentHandler.endElement(element, modifiedAugs);
            } else {

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        String wildcardIDName = null;


        // for each present attribute
        int attCount = attributes.getLength();


        Augmentations augs = null;
        AttributePSVImpl attrPSVI = null;


        boolean isSimple =
            fCurrentType == null || fCurrentType.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE;


        XSObjectList attrUses = null;
        int useCount = 0;
        XSWildcardDecl attrWildcard = null;
        if (!isSimple) {
            attrUses = attrGrp.getAttributeUses();
            useCount = attrUses.getLength();
            attrWildcard = attrGrp.fAttributeWC;
        }


        // Element Locally Valid (Complex Type)
        // 3 For each attribute information item in the element information item's [attributes] excepting those whose [namespace name] is identical to http://www.w3.org/2001/XMLSchema-instance and whose [local name] is one of type, nil, schemaLocation or noNamespaceSchemaLocation, the appropriate case among the following must be true:
        // get the corresponding attribute decl
        for (int index = 0; index < attCount; index++) {


            attributes.getName(index, fTempQName);


            if (DEBUG) {
                System.out.println("==>process attribute: " + fTempQName);
            }


            if (fAugPSVI || fIdConstraint) {
                augs = attributes.getAugmentations(index);
                attrPSVI = (AttributePSVImpl) augs.getItem(Constants.ATTRIBUTE_PSVI);
                if (attrPSVI != null) {
                    attrPSVI.reset();
                } else {
                    attrPSVI = new AttributePSVImpl();
                    augs.putItem(Constants.ATTRIBUTE_PSVI, attrPSVI);
                }
                // PSVI attribute: validation context
                attrPSVI.fValidationContext = fValidationRoot;
            }

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                }


                if (fAugPSVI) {


                    // PSVI: attribute is "schema" specified
                    Augmentations augs = attributes.getAugmentations(attrIndex);
                    AttributePSVImpl attrPSVI = new AttributePSVImpl();
                    augs.putItem(Constants.ATTRIBUTE_PSVI, attrPSVI);


                    attrPSVI.fDeclaration = currDecl;
                    attrPSVI.fTypeDecl = currDecl.fType;
                    attrPSVI.fMemberType = defaultValue.memberType;
                    attrPSVI.fNormalizedValue = normalized;

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     * @param attrIndex The attribute index.
     */
    public void removeAttributeAt(int attrIndex) {
        if (attrIndex < fLength - 1) {
            Attribute removedAttr = fAttributes[attrIndex];
            Augmentations removedAug = fAugmentations[attrIndex];
            System.arraycopy(fAttributes, attrIndex + 1,
                             fAttributes, attrIndex, fLength - attrIndex - 1);


            System.arraycopy(fAugmentations, attrIndex + 1,
                 fAugmentations, attrIndex, fLength - attrIndex - 1);

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        return fEmptyAttrs;
    } // emptyAttributes():XMLAttributes


    /** Returns an augmentations object with a synthesized item added. */
    protected final Augmentations synthesizedAugs() {
        Augmentations augs = null;
        if (fAugmentations) {
            augs = fInfosetAugs;
            augs.removeAllItems();
            augs.putItem(AUGMENTATIONS, SYNTHESIZED_ITEM);
        }
        return augs;
    } // synthesizedAugs():Augmentations

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        return fEmptyAttrs;
    } // emptyAttributes():XMLAttributes


    /** Returns an augmentations object with a synthesized item added. */
    protected final Augmentations synthesizedAugs() {
        Augmentations augs = null;
        if (fAugmentations) {
            augs = fInfosetAugs;
            Class cls = augs.getClass();
            Method method = null;
            try {
                method = cls.getMethod("clear", null);
            }
            catch (NoSuchMethodException e) {
                try {
                    method = cls.getMethod("removeAllItems", null);
                }
                catch (NoSuchMethodException e2) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                }
            }
            if (method != null) {
                try {
                    method.invoke(augs, null);
                }
                catch (IllegalAccessException e) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                } 
                catch (InvocationTargetException e) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                } 
            }
            augs.putItem(AUGMENTATIONS, SYNTHESIZED_ITEM);
        }
        return augs;
    } // synthesizedAugs():Augmentations

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    // infoset utility methods


    /** Returns an augmentations object with a location item added. */
    protected final Augmentations locationAugs() {
        Augmentations augs = null;
        if (fAugmentations) {
            fLocationItem.setValues(fBeginLineNumber, fBeginColumnNumber, 
                                    fEndLineNumber, fEndColumnNumber);
            augs = fInfosetAugs;
            Class cls = augs.getClass();
            Method method = null;
            try {
                method = cls.getMethod("clear", null);
            }
            catch (NoSuchMethodException e) {
                try {
                    method = cls.getMethod("removeAllItems", null);
                }
                catch (NoSuchMethodException e2) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                }
            }
            if (method != null) {
                try {
                    method.invoke(augs, null);
                }
                catch (IllegalAccessException e) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                } 
                catch (InvocationTargetException e) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                } 
            }
            augs.putItem(AUGMENTATIONS, fLocationItem);
        }
        return augs;
    } // locationAugs():Augmentations

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        return augs;
    } // locationAugs():Augmentations


    /** Returns an augmentations object with a synthesized item added. */
    protected final Augmentations synthesizedAugs() {
        Augmentations augs = null;
        if (fAugmentations) {
            augs = fInfosetAugs;
            Class cls = augs.getClass();
            Method method = null;
            try {
                method = cls.getMethod("clear", null);
            }
            catch (NoSuchMethodException e) {
                try {
                    method = cls.getMethod("removeAllItems", null);
                }
                catch (NoSuchMethodException e2) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                }
            }
            if (method != null) {
                try {
                    method.invoke(augs, null);
                }
                catch (IllegalAccessException e) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                } 
                catch (InvocationTargetException e) {
                    // NOTE: This should not happen! -Ac
                    augs = new AugmentationsImpl();
                } 
            }
            augs.putItem(AUGMENTATIONS, SYNTHESIZED_ITEM);
        }
        return augs;
    } // synthesizedAugs():Augmentations

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                                if (DEBUG_CALLBACKS) {
                                    System.out.println("startDocument()");
                                }
                                XMLLocator locator = HTMLScanner.this;
                                String encoding = fIANAEncoding;
                                Augmentations augs = locationAugs();
                                try {
                                    // NOTE: Hack to allow the default filter to work with
                                    //       old and new versions of the XNI document handler
                                    //       interface. -Ac
                                    Class cls = fDocumentHandler.getClass();

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            fEndLineNumber = fCurrentEntity.lineNumber;
            fEndColumnNumber = fCurrentEntity.columnNumber;
            LocationItem locationItem = new LocationItem();
            locationItem.setValues(fBeginLineNumber, fBeginColumnNumber,
                                   fEndLineNumber, fEndColumnNumber);
            Augmentations augs = attributes.getAugmentations(index);
            augs.putItem(AUGMENTATIONS, locationItem);
        } // addLocationItem(XMLAttributes,int)

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