| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| 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 <key>s and |
| * <unique>s. |
| * |
| * @xerces.internal |
| * |
| * @author Neil Graham, IBM |
| */ |
| 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 = null; |
| 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) uniqueOrKey; |
| } |
| } |
| fSchemaHandler.addIDConstraintDecl(uniqueOrKey); |
| } |
| } |
| |
| // and fix up attributeChecker |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| } // traverse(Element,XSDElementDecl,XSDocumentInfo, SchemaGrammar) |
| } // XSDUniqueOrKeyTraverser |