| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * Copyright 2001-2004 The Apache Software Foundation. |
| * |
| * Licensed 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.xpath.XPathException; |
| import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols; |
| import com.sun.org.apache.xerces.internal.impl.xs.identity.Field; |
| import com.sun.org.apache.xerces.internal.impl.xs.identity.IdentityConstraint; |
| import com.sun.org.apache.xerces.internal.impl.xs.identity.Selector; |
| import com.sun.org.apache.xerces.internal.util.DOMUtil; |
| import com.sun.org.apache.xerces.internal.util.XMLChar; |
| import org.w3c.dom.Element; |
| |
| /** |
| * This class contains code that all three IdentityConstraint |
| * traversers (the XSDUniqueTraverser, XSDKeyTraverser and |
| * XSDKeyrefTraverser) rely upon. |
| * |
| * @xerces.internal |
| * |
| * @version $Id: XSDAbstractIDConstraintTraverser.java,v 1.7 2010-11-01 04:40:02 joehw Exp $ |
| */ |
| class XSDAbstractIDConstraintTraverser extends XSDAbstractTraverser { |
| |
| public XSDAbstractIDConstraintTraverser (XSDHandler handler, |
| XSAttributeChecker gAttrCheck) { |
| super(handler, gAttrCheck); |
| } |
| |
| boolean traverseIdentityConstraint(IdentityConstraint ic, |
| Element icElem, XSDocumentInfo schemaDoc, Object [] icElemAttrs) { |
| |
| // General Attribute Checking will have been done on icElem by caller |
| |
| // check for <annotation> and get selector |
| Element sElem = DOMUtil.getFirstChildElement(icElem); |
| if(sElem == null) { |
| reportSchemaError("s4s-elt-must-match.2", |
| new Object[]{"identity constraint", "(annotation?, selector, field+)"}, |
| icElem); |
| return false; |
| } |
| |
| // General Attribute Checking on sElem |
| // first child could be an annotation |
| if (DOMUtil.getLocalName(sElem).equals(SchemaSymbols.ELT_ANNOTATION)) { |
| ic.addAnnotation(traverseAnnotationDecl(sElem, icElemAttrs, false, schemaDoc)); |
| sElem = DOMUtil.getNextSiblingElement(sElem); |
| // if no more children report an error |
| if(sElem == null) { |
| reportSchemaError("s4s-elt-must-match.2", new Object[]{"identity constraint", "(annotation?, selector, field+)"}, icElem); |
| return false; |
| } |
| } |
| else { |
| String text = DOMUtil.getSyntheticAnnotation(icElem); |
| if (text != null) { |
| ic.addAnnotation(traverseSyntheticAnnotation(icElem, text, icElemAttrs, false, schemaDoc)); |
| } |
| } |
| |
| // must be <selector> |
| if(!DOMUtil.getLocalName(sElem).equals(SchemaSymbols.ELT_SELECTOR)) { |
| reportSchemaError("s4s-elt-must-match.1", new Object[]{"identity constraint", "(annotation?, selector, field+)", SchemaSymbols.ELT_SELECTOR}, sElem); |
| return false; |
| } |
| Object [] attrValues = fAttrChecker.checkAttributes(sElem, false, schemaDoc); |
| |
| // make sure <selector>'s content is fine: |
| Element selChild = DOMUtil.getFirstChildElement(sElem); |
| |
| if (selChild !=null) { |
| // traverse annotation if any |
| if (DOMUtil.getLocalName(selChild).equals(SchemaSymbols.ELT_ANNOTATION)) { |
| ic.addAnnotation(traverseAnnotationDecl(selChild, attrValues, false, schemaDoc)); |
| selChild = DOMUtil.getNextSiblingElement(selChild); |
| } |
| else { |
| reportSchemaError("s4s-elt-must-match.1", new Object[]{SchemaSymbols.ELT_SELECTOR, "(annotation?)", DOMUtil.getLocalName(selChild)}, selChild); |
| } |
| if (selChild != null) { |
| reportSchemaError("s4s-elt-must-match.1", new Object [] {SchemaSymbols.ELT_SELECTOR, "(annotation?)", DOMUtil.getLocalName(selChild)}, selChild); |
| } |
| } |
| else { |
| String text = DOMUtil.getSyntheticAnnotation(sElem); |
| if (text != null) { |
| ic.addAnnotation(traverseSyntheticAnnotation(icElem, text, attrValues, false, schemaDoc)); |
| } |
| } |
| |
| String sText = ((String)attrValues[XSAttributeChecker.ATTIDX_XPATH]); |
| if(sText == null) { |
| reportSchemaError("s4s-att-must-appear", new Object [] {SchemaSymbols.ELT_SELECTOR, SchemaSymbols.ATT_XPATH}, sElem); |
| return false; |
| } |
| sText = XMLChar.trim(sText); |
| |
| Selector.XPath sXpath = null; |
| try { |
| sXpath = new Selector.XPath(sText, fSymbolTable, |
| schemaDoc.fNamespaceSupport); |
| Selector selector = new Selector(sXpath, ic); |
| ic.setSelector(selector); |
| } |
| catch (XPathException e) { |
| reportSchemaError(e.getKey(), new Object[]{sText}, sElem); |
| // put back attr values... |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| return false; |
| } |
| |
| // put back attr values... |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| |
| // get fields |
| Element fElem = DOMUtil.getNextSiblingElement(sElem); |
| if(fElem == null) { |
| reportSchemaError("s4s-elt-must-match.2", new Object[]{"identity constraint", "(annotation?, selector, field+)"}, sElem); |
| return false; |
| } |
| while (fElem != null) { |
| if(!DOMUtil.getLocalName(fElem).equals(SchemaSymbols.ELT_FIELD)) { |
| reportSchemaError("s4s-elt-must-match.1", new Object[]{"identity constraint", "(annotation?, selector, field+)", SchemaSymbols.ELT_FIELD}, fElem); |
| fElem = DOMUtil.getNextSiblingElement(fElem); |
| continue; |
| } |
| |
| // General Attribute Checking |
| attrValues = fAttrChecker.checkAttributes(fElem, false, schemaDoc); |
| |
| // and make sure <field>'s content is fine: |
| Element fieldChild = DOMUtil.getFirstChildElement(fElem); |
| if (fieldChild != null) { |
| // traverse annotation |
| if (DOMUtil.getLocalName(fieldChild).equals(SchemaSymbols.ELT_ANNOTATION)) { |
| ic.addAnnotation(traverseAnnotationDecl(fieldChild, attrValues, false, schemaDoc)); |
| fieldChild = DOMUtil.getNextSiblingElement(fieldChild); |
| } |
| } |
| if (fieldChild != null) { |
| reportSchemaError("s4s-elt-must-match.1", new Object [] {SchemaSymbols.ELT_FIELD, "(annotation?)", DOMUtil.getLocalName(fieldChild)}, fieldChild); |
| } |
| else { |
| String text = DOMUtil.getSyntheticAnnotation(fElem); |
| if (text != null) { |
| ic.addAnnotation(traverseSyntheticAnnotation(icElem, text, attrValues, false, schemaDoc)); |
| } |
| } |
| String fText = ((String)attrValues[XSAttributeChecker.ATTIDX_XPATH]); |
| if (fText == null) { |
| reportSchemaError("s4s-att-must-appear", new Object [] {SchemaSymbols.ELT_FIELD, SchemaSymbols.ATT_XPATH}, fElem); |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| return false; |
| } |
| fText = XMLChar.trim(fText); |
| try { |
| Field.XPath fXpath = new Field.XPath(fText, fSymbolTable, |
| schemaDoc.fNamespaceSupport); |
| Field field = new Field(fXpath, ic); |
| ic.addField(field); |
| } |
| catch (XPathException e) { |
| reportSchemaError(e.getKey(), new Object[]{fText}, fElem); |
| // put back attr values... |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| return false; |
| } |
| fElem = DOMUtil.getNextSiblingElement(fElem); |
| // put back attr values... |
| fAttrChecker.returnAttrArray(attrValues, schemaDoc); |
| } |
| |
| return ic.getFieldCount() > 0; |
| } // traverseIdentityConstraint(IdentityConstraint,Element, XSDocumentInfo) |
| } // XSDAbstractIDConstraintTraverser |