- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 2001, International
- * Business Machines, Inc., http://www.apache.org. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- package com.sun.org.apache.xerces.internal.impl.xs.traversers;
-
- import com.sun.org.apache.xerces.internal.impl.xs.SchemaSymbols;
-
- import com.sun.org.apache.xerces.internal.util.DOMUtil;
- import org.w3c.dom.Element;
- import com.sun.org.apache.xerces.internal.impl.xs.identity.*;
- import com.sun.org.apache.xerces.internal.impl.xpath.*;
-
- /**
- * This class contains code that all three IdentityConstraint
- * traversers (the XSDUniqueTraverser, XSDKeyTraverser and
- * XSDKeyrefTraverser) rely upon.
- *
- * @version $Id: XSDAbstractIDConstraintTraverser.java,v 1.8 2003/06/23 16:35:22 neilg Exp $
- */
- class XSDAbstractIDConstraintTraverser extends XSDAbstractTraverser {
-
- public XSDAbstractIDConstraintTraverser (XSDHandler handler,
- XSAttributeChecker gAttrCheck) {
- super(handler, gAttrCheck);
- }
-
- void 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;
- }
-
- // 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;
- }
- Object [] attrValues = fAttrChecker.checkAttributes(sElem, false, schemaDoc);
-
- // if more than one annotation report an error
- 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);
- }
- // and 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);
- }
- }
-
- 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;
- }
- sText = sText.trim();
-
- 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;
- }
-
- // 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);
- }
- while (fElem != null) {
- // General Attribute Checking
- attrValues = fAttrChecker.checkAttributes(fElem, false, schemaDoc);
-
- 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);
-
- // 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);
- }
- String fText = ((String)attrValues[XSAttributeChecker.ATTIDX_XPATH]);
- if(fText == null) {
- reportSchemaError("s4s-att-must-appear", new Object [] {SchemaSymbols.ELT_FIELD, SchemaSymbols.ATT_XPATH}, fElem);
- return;
- }
- fText = fText.trim();
- 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;
- }
- fElem = DOMUtil.getNextSiblingElement(fElem);
- // put back attr values...
- fAttrChecker.returnAttrArray(attrValues, schemaDoc);
- }
-
- } // traverseIdentityConstraint(IdentityConstraint,Element, XSDocumentInfo)
- } // XSDAbstractIDConstraintTraverser
-