xsdattributetraverser.java

java1.6众多例子参考

        String  fixedAtt   = (String) attrValues[XSAttributeChecker.ATTIDX_FIXED];
        XInt    formAtt    = (XInt)   attrValues[XSAttributeChecker.ATTIDX_FORM];
        String  nameAtt    = (String) attrValues[XSAttributeChecker.ATTIDX_NAME];
        QName   typeAtt    = (QName)  attrValues[XSAttributeChecker.ATTIDX_TYPE];
        
        // Step 1: get declaration information
        XSAttributeDecl attribute = null;
        if (fSchemaHandler.fDeclPool !=null) {
            attribute = fSchemaHandler.fDeclPool.getAttributeDecl();
        } else {
            attribute = new XSAttributeDecl();
        }
        
        // get 'name'
        if (nameAtt != null)
            nameAtt = fSymbolTable.addSymbol(nameAtt);
        
        // get 'target namespace'
        String tnsAtt = null;
        XSComplexTypeDecl enclCT = null;
        short scope = XSAttributeDecl.SCOPE_ABSENT;
        if (isGlobal) {
            tnsAtt = schemaDoc.fTargetNamespace;
            scope = XSAttributeDecl.SCOPE_GLOBAL;
        }
        else {
            if (enclosingCT != null) {
                enclCT = enclosingCT;
                scope = XSAttributeDecl.SCOPE_LOCAL;
            }
            if (formAtt != null) {
                if (formAtt.intValue() == SchemaSymbols.FORM_QUALIFIED)
                    tnsAtt = schemaDoc.fTargetNamespace;
            } else if (schemaDoc.fAreLocalAttributesQualified) {
                tnsAtt = schemaDoc.fTargetNamespace;
            } 
        }
        // get 'value constraint'
        // for local named attribute, value constraint is absent
        ValidatedInfo attDefault = null;
        short constraintType = XSConstants.VC_NONE;
        if (isGlobal) {
            if (fixedAtt != null) {
                attDefault = new ValidatedInfo();
                attDefault.normalizedValue = fixedAtt;
                constraintType = XSConstants.VC_FIXED;
            } else if (defaultAtt != null) {
                attDefault = new ValidatedInfo();
                attDefault.normalizedValue = defaultAtt;
                constraintType = XSConstants.VC_DEFAULT;
            } 
        }
        
        // get 'annotation'
        Element child = DOMUtil.getFirstChildElement(attrDecl);
        XSAnnotationImpl annotation = null;
        if (child != null && DOMUtil.getLocalName(child).equals(SchemaSymbols.ELT_ANNOTATION)) {
            annotation = traverseAnnotationDecl(child, attrValues, false, schemaDoc);
            child = DOMUtil.getNextSiblingElement(child);
        }
        else {
            String text = DOMUtil.getSyntheticAnnotation(attrDecl);
            if (text != null) {
                annotation = traverseSyntheticAnnotation(attrDecl, text, attrValues, false, schemaDoc);
            }
        }
        
        // get 'type definition'
        XSSimpleType attrType = null;
        boolean haveAnonType = false;
        
        // Handle Anonymous type if there is one
        if (child != null) {
            String childName = DOMUtil.getLocalName(child);
            
            if (childName.equals(SchemaSymbols.ELT_SIMPLETYPE)) {
                attrType = fSchemaHandler.fSimpleTypeTraverser.traverseLocal(child, schemaDoc, grammar);
                haveAnonType = true;
                child = DOMUtil.getNextSiblingElement(child);
            }
        }
        
        // Handler type attribute
        if (attrType == null && typeAtt != null) {
            XSTypeDefinition type = (XSTypeDefinition)fSchemaHandler.getGlobalDecl(schemaDoc, XSDHandler.TYPEDECL_TYPE, typeAtt, attrDecl);
            if (type != null && type.getTypeCategory() == XSTypeDefinition.SIMPLE_TYPE)
                attrType = (XSSimpleType)type;
            else
                reportSchemaError("src-resolve", new Object[]{typeAtt.rawname, "simpleType definition"}, attrDecl);
        }
        
        if (attrType == null) {
            attrType = SchemaGrammar.fAnySimpleType;
        }
        
        attribute.setValues(nameAtt, tnsAtt, attrType,
                constraintType, scope, attDefault, enclCT, annotation);
        
        // Step 2: register attribute decl to the grammar
        if (isGlobal && nameAtt != null)
            grammar.addGlobalAttributeDecl(attribute);
        
        // Step 3: check against schema for schemas
        
        // required attributes
        if (nameAtt == null) {
            if (isGlobal)
                reportSchemaError("s4s-att-must-appear", new Object[]{SchemaSymbols.ELT_ATTRIBUTE, SchemaSymbols.ATT_NAME}, attrDecl);
            else
                reportSchemaError("src-attribute.3.1", null, attrDecl);
            nameAtt = NO_NAME;
        }
        
        // element
        if (child != null) {
            reportSchemaError("s4s-elt-must-match.1", new Object[]{nameAtt, "(annotation?, (simpleType?))", DOMUtil.getLocalName(child)}, child);
        }
        
        // Step 4: check 3.2.3 constraints
        
        // src-attribute
        
        // 1 default and fixed must not both be present.
        if (defaultAtt != null && fixedAtt != null) {
            reportSchemaError("src-attribute.1", new Object[]{nameAtt}, attrDecl);
        }
        
        // 2 If default and use are both present, use must have the actual value optional.
        // This is checked in "traverse" method
        
        // 3 If the item's parent is not <schema>, then all of the following must be true:
        // 3.1 One of ref or name must be present, but not both.
        // This is checked in XSAttributeChecker
        
        // 3.2 If ref is present, then all of <simpleType>, form and type must be absent.
        // Attributes are checked in XSAttributeChecker, elements are checked in "traverse" method
        
        // 4 type and <simpleType> must not both be present.
        if (haveAnonType && (typeAtt != null)) {
            reportSchemaError( "src-attribute.4", new Object[]{nameAtt}, attrDecl);
        }
        
        // Step 5: check 3.2.6 constraints
        // check for NOTATION type
        checkNotationType(nameAtt, attrType, attrDecl);
        
        // a-props-correct
        
        // 2 if there is a {value constraint}, the canonical lexical representation of its value must be valid with respect to the {type definition} as defined in String Valid (3.14.4).
        if (attDefault != null) {
            fValidationState.setNamespaceSupport(schemaDoc.fNamespaceSupport);
            try {
                checkDefaultValid(attribute);
            }
            catch (InvalidDatatypeValueException ide) {
                reportSchemaError (ide.getKey(), ide.getArgs(), attrDecl);
                reportSchemaError ("a-props-correct.2", new Object[]{nameAtt, attDefault.normalizedValue}, attrDecl);
            }
        }
        
        // 3 If the {type definition} is or is derived from ID then there must not be a {value constraint}.
        if (attDefault != null) {
            if (attrType.isIDType() ) {
                reportSchemaError ("a-props-correct.3", new Object[]{nameAtt}, attrDecl);
            }
        }
        
        // no-xmlns
        
        // The {name} of an attribute declaration must not match xmlns.
        if (nameAtt != null && nameAtt.equals(XMLSymbols.PREFIX_XMLNS)) {
            reportSchemaError("no-xmlns", null, attrDecl);
        }
        
        // no-xsi
        
        // The {target namespace} of an attribute declaration, whether local or top-level, must not match http://www.w3.org/2001/XMLSchema-instance (unless it is one of the four built-in declarations given in the next section).
        if (tnsAtt != null && tnsAtt.equals(SchemaSymbols.URI_XSI)) {
            reportSchemaError("no-xsi", new Object[]{SchemaSymbols.URI_XSI}, attrDecl);
        }
        
        // Attribute without a name. Return null.
        if (attribute.getName() == null)
            return null;
        
        return attribute;
    }
    
    // throws an error if the constraint value is invalid for the given type
    void checkDefaultValid(XSAttributeDecl attribute) throws InvalidDatatypeValueException {
        // validate the original lexical rep, and set the actual value
        ((XSSimpleType)attribute.getTypeDefinition()).validate(attribute.getValInfo().normalizedValue, fValidationState, attribute.getValInfo());
        // validate the canonical lexical rep
        ((XSSimpleType)attribute.getTypeDefinition()).validate(attribute.getValInfo().stringValue(), fValidationState, attribute.getValInfo());
    }
    
    // throws an error if the constraint value is invalid for the given type
    void checkDefaultValid(XSAttributeUseImpl attrUse) throws InvalidDatatypeValueException {
        // validate the original lexical rep, and set the actual value
        ((XSSimpleType)attrUse.fAttrDecl.getTypeDefinition()).validate(attrUse.fDefault.normalizedValue, fValidationState, attrUse.fDefault);
        // validate the canonical lexical rep
        ((XSSimpleType)attrUse.fAttrDecl.getTypeDefinition()).validate(attrUse.fDefault.stringValue(), fValidationState, attrUse.fDefault);
    }
    
}