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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.Iterator;
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import org.jbind.xml.base.AttributeOccurence;
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import org.jbind.xml.base.ILocation;
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import org.jbind.xml.core.cmp.IAttributesModel;
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import org.jbind.xml.core.constraint.ConstraintType;
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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.content.IAttrRefOrDecl;
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import org.jbind.xml.core.data.IAnyTypeData;
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import org.jbind.xml.core.data.IDataContext;
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import org.jbind.xml.msg.IConstraintViolations;
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import org.jbind.xml.msg.XmlMessages;
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public class AttributesConstraint implements IConstraint {
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private IAttributesModel myAttributesModel = null;
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public AttributesConstraint(IAttributesModel anAttributesModel) {
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myAttributesModel = anAttributesModel;
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}
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public ConstraintType getConstraintType() {
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return ConstraintType.ATTRIBUTES;
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}
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public ILocation getLocation() {
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return myAttributesModel.getLocation();
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}
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public void globalCheck(IDataContext aContext, IAnyTypeData aData, IAnyTypeData anEnclosingData, IConstraintViolations aViolations) {
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if (!aData.isNil_()) {
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for (Iterator i = myAttributesModel.iterAttributes(); i.hasNext(); ) {
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IAttrRefOrDecl att = (IAttrRefOrDecl)i.next();
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AttributeOccurence occurence = att.getOccurence();
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if (AttributeOccurence.REQUIRED.equals(occurence) || AttributeOccurence.PROHIBITED.equals(occurence)) {
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String namespace = att.getNamespace();
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String name = att.getName();
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IAnyTypeData d = aData.getAttribute_(namespace, name);
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if ((d == null) && AttributeOccurence.REQUIRED.equals(occurence)) {
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aViolations.add(XmlMessages.cvcRequiredAttribute(att.getGlobalRef(), aData.getImpl_().getLocation()));
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} else if ((d != null) && AttributeOccurence.PROHIBITED.equals(occurence)) {
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aViolations.add(XmlMessages.cvcProhibitedAttribute(att.getGlobalRef(), aData.getImpl_().getLocation()));
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}
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}
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}
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}
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}
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public void localCheck(ICheckContext aCheckContext, IAnyTypeData aData, IConstraintViolations aViolations) {
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// Attribute constraints must not be checked locally. Otherwise the construction
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// of complex values with simple content is not possible.
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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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public boolean isRestriction(IConstraint aConstraint) {
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return true;
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}
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}
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