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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.element;
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import org.jbind.xml.base.IAttribute;
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import org.jbind.xml.core.bridge.IXPath;
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import org.jbind.xml.core.constraint.IXPathConstraint;
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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.constraint.XPathConstraint;
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import org.jbind.xml.schema.instantiation.IElemValHelper;
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import org.jbind.xml.schema.instantiation.IElementHelper;
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public class XPathConstraintElement extends Element implements IXPathConstraintElement {
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private String myContext = null;
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private String myTest = null;
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private IXPath myTestXPath = null;
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private IXPath mySelectXPath = null;
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public XPathConstraintElement(CreationParams aCreationParams) {
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super(aCreationParams);
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}
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protected IAttribute doCreateAttribute(ACParams anACParams) throws XmlException {
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IAttribute res = null;
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String an = NameUtil.getSchemaAttributeName(anACParams);
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if ("select".equals(an)) {
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res = new Attribute(anACParams);
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myContext = res.getStringValue();
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} else if ("test".equals(an)) {
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res = new Attribute(anACParams);
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myTest = res.getStringValue();
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} else {
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res = super.doCreateAttribute(anACParams);
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}
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return res;
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}
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public void validateElement(IElemValHelper aHelper, IConstraintViolations aViolations) {
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super.validateElement(aHelper, aViolations);
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if (null == myTest) {
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aViolations.add(XmlMessages.missingAttribute("test", this));
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} else {
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try {
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myTestXPath = aHelper.createXPath(myTest, getPrefixToNamespaceMapping(), false);
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} catch (Exception e) {
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aViolations.add(XmlMessages.invalidXPath(myTest, e, this));
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}
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}
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if (null != myContext) {
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try {
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mySelectXPath = aHelper.createXPath(myContext, getPrefixToNamespaceMapping(), false);
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} catch (Exception e) {
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aViolations.add(XmlMessages.invalidXPath(myContext, e, this));
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}
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}
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}
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public IXPathConstraint createXPathConstraint(IElementHelper aHelper) throws XmlException {
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IXPath context = null;
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return new XPathConstraint(myTestXPath, mySelectXPath, this);
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}
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}
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