/*
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 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
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 *      http://www.apache.org/licenses/LICENSE-2.0
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package com.sun.org.apache.xerces.internal.impl.xs.traversers;

import com.sun.org.apache.xerces.internal.impl.xs.SchemaGrammar;
import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols;
import com.sun.org.apache.xerces.internal.impl.xs.XSElementDecl;
import com.sun.org.apache.xerces.internal.impl.xs.identity.IdentityConstraint;
import com.sun.org.apache.xerces.internal.impl.xs.identity.UniqueOrKey;
import com.sun.org.apache.xerces.internal.util.DOMUtil;
import org.w3c.dom.Element;

This class contains code that is used to traverse both s and s.
Author:Neil Graham, IBM
@xerces.internal
@LastModified: Nov 2017
/** * This class contains code that is used to traverse both <key>s and * <unique>s. * * @xerces.internal * * @author Neil Graham, IBM * @LastModified: Nov 2017 */
class XSDUniqueOrKeyTraverser extends XSDAbstractIDConstraintTraverser { public XSDUniqueOrKeyTraverser (XSDHandler handler, XSAttributeChecker gAttrCheck) { super(handler, gAttrCheck); } void traverse(Element uElem, XSElementDecl element, XSDocumentInfo schemaDoc, SchemaGrammar grammar) { // General Attribute Checking Object[] attrValues = fAttrChecker.checkAttributes(uElem, false, schemaDoc); // create identity constraint String uName = (String)attrValues[XSAttributeChecker.ATTIDX_NAME]; if(uName == null){ reportSchemaError("s4s-att-must-appear", new Object [] {DOMUtil.getLocalName(uElem) , SchemaSymbols.ATT_NAME }, uElem); //return this array back to pool fAttrChecker.returnAttrArray(attrValues, schemaDoc); return; } UniqueOrKey uniqueOrKey; if(DOMUtil.getLocalName(uElem).equals(SchemaSymbols.ELT_UNIQUE)) { uniqueOrKey = new UniqueOrKey(schemaDoc.fTargetNamespace, uName, element.fName, IdentityConstraint.IC_UNIQUE); } else { uniqueOrKey = new UniqueOrKey(schemaDoc.fTargetNamespace, uName, element.fName, IdentityConstraint.IC_KEY); } // it's XSDElementTraverser's job to ensure that there's no // duplication (or if there is that restriction is involved // and there's identity). // If errors occurred in traversing the identity constraint, then don't // add it to the schema, to avoid errors when processing the instance. if (traverseIdentityConstraint(uniqueOrKey, uElem, schemaDoc, attrValues)) { // and stuff this in the grammar if (grammar.getIDConstraintDecl(uniqueOrKey.getIdentityConstraintName()) == null) { grammar.addIDConstraintDecl(element, uniqueOrKey); } final String loc = fSchemaHandler.schemaDocument2SystemId(schemaDoc); final IdentityConstraint idc = grammar.getIDConstraintDecl(uniqueOrKey.getIdentityConstraintName(), loc); if (idc == null) { grammar.addIDConstraintDecl(element, uniqueOrKey, loc); } // handle duplicates if (fSchemaHandler.fTolerateDuplicates) { if (idc != null) { if (idc instanceof UniqueOrKey) { uniqueOrKey = (UniqueOrKey)idc; } } fSchemaHandler.addIDConstraintDecl(uniqueOrKey); } } // and fix up attributeChecker fAttrChecker.returnAttrArray(attrValues, schemaDoc); } // traverse(Element,XSDElementDecl,XSDocumentInfo, SchemaGrammar) } // XSDUniqueOrKeyTraverser