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/*
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* JBind
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*
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* Copyright (c) by Stefan Wachter. All rights reserved.
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*
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* Usage, modification, and redistribution is subject to license terms that are
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* available at 'http://www.jbind.org'. The JBind license is like the
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* 'Apache Software License V 1.1'.
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*/
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package org.jbind.xml.schema.constraint;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.jbind.xml.base.ISymbolspace;
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import org.jbind.xml.base.ISymbolspaces;
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import org.jbind.xml.core.base.IKey;
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import org.jbind.xml.core.bridge.IDataImpl;
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import org.jbind.xml.core.bridge.IXPath;
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import org.jbind.xml.core.cmp.IComponentVisitor;
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import org.jbind.xml.core.cmp.ISourceInfo;
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import org.jbind.xml.core.constraint.ICheckContext;
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import org.jbind.xml.core.constraint.IConstraint;
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import org.jbind.xml.core.constraint.IIdentityConstraintComponent;
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import org.jbind.xml.core.data.IAnyTypeData;
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import org.jbind.xml.core.type.IAnyType;
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import org.jbind.xml.msg.IConstraintViolations;
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import org.jbind.xml.msg.XmlException;
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import org.jbind.xml.msg.XmlMessages;
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import org.jbind.xml.schema.cmp.Component;
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import org.jbind.xml.schema.cmp.W3CTypes;
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public abstract class IdentityConstraintComponent extends Component implements IIdentityConstraintComponent {
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private IAnyType myDataType = null;
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private IXPath mySelector = null;
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/**
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* List of {@link IXPath IXPath}s.
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*/
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private List myFields = new ArrayList();
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public IdentityConstraintComponent(ISourceInfo aSourceInfo, String aNamespace, String aName) {
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super(aSourceInfo, aNamespace, aName);
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}
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public IAnyType getDataType() {
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return myDataType;
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}
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public void setDataType(IAnyType aType) {
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myDataType = aType;
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}
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public ISymbolspace getSymbolspace() {
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return ISymbolspaces.IDENTITY_CONSTRAINT;
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}
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public void accept(IComponentVisitor aVisitor) {
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// IdentityConstraintComponents are not visited
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}
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public void localCheck(ICheckContext aCheckContext, IAnyTypeData aData, IConstraintViolations aViolations) {}
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public boolean isRestriction(IConstraint aConstraint) {
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return true;
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}
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public boolean isFinal() {
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return false;
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}
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protected Iterator select(IAnyTypeData aData) throws XmlException {
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return select((IDataImpl)aData.getImpl_());
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}
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protected Iterator select(IDataImpl aData) throws XmlException {
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return mySelector.select(aData);
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}
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protected IKey createKey(IDataImpl aData, boolean aNullAllowed, IConstraintViolations aViolations) throws XmlException {
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Key res = new Key();
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for (Iterator i = iterFields(); i.hasNext(); ) {
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IXPath field = (IXPath)i.next();
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Iterator j = field.select(aData);
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if (j.hasNext()) {
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IDataImpl impl = (IDataImpl)j.next();
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IAnyTypeData keyData = impl.getData();
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if (null == keyData) {
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keyData = W3CTypes.anySimpleType.createData(impl);
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}
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res.add(keyData);
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if (j.hasNext()) {
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aViolations.add(XmlMessages.fieldXPathReturnedMoreThanOneNode(field, getGlobalRef(), aData.getLocation()));
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}
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} else {
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if (!aNullAllowed) {
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aViolations.add(XmlMessages.fieldXPathReturnedNoNode(field, getGlobalRef(), aData.getLocation()));
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}
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res = null;
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break;
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}
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}
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return res;
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}
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private Iterator iterFields() {
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return myFields.iterator();
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}
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public void setFields(List aFields) {
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myFields = aFields;
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}
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public IXPath getSelector() {
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return mySelector;
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}
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public void setSelector(IXPath anXPath) {
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mySelector = anXPath;
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}
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public int getNbFields() {
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return myFields.size();
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}
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public boolean isReference() {
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return false;
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}
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public void validate(IConstraintViolations aViolations) {}
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}
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