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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.reader;
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import java.net.URL;
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import java.util.Iterator;
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import org.jbind.xml.base.Ref;
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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.element.IRedefinable;
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import org.jbind.xml.schema.instantiation.IRedefineJobHelper;
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import org.jbind.xml.schema.instantiation.ISchemaElement;
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import org.jbind.xml.schema.instantiation.ITopLevelElement;
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public class RedefineJob extends SourceJob {
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public RedefineJob(IRedefineJobHelper aHelper, ISchemaElement aSchemaElement) {
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super(aHelper, aSchemaElement);
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}
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protected void doExecuteCreation(IConstraintViolations aViolations) {
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IRedefineJobHelper helper = (IRedefineJobHelper)getHelper();
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try {
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URL url = getUrl();
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if (!getInstantiator().hasBeenParsed(url)) {
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ISchemaElement schemaElement = getInstantiator().parseSchema(url, getSchemaElement());
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for (Iterator i = helper.iterRedefinables(); i.hasNext(); ) {
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IRedefinable redefinable = (IRedefinable)i.next();
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// Get and remove the element that is to be redefined.
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ITopLevelElement referencedElement = schemaElement.removeTopLevelElement(redefinable.getGlobalRef());
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if (null != referencedElement) {
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// Add the redefining element
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schemaElement.setTopLevelElement(redefinable);
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String newNameBase = "_redefined." + redefinable.getGlobalRef().getLocalPart();
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int cnt = 0;
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while (true) {
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String newName = newNameBase + ((cnt == 0) ? "" : "" + cnt++);
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Ref r = new Ref(redefinable.getGlobalRef().getNamespace(), redefinable.getGlobalRef().getSymbolSpace(), newName);
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if (null == schemaElement.getTopLevelElement(r)) {
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referencedElement.setName(newName);
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schemaElement.setTopLevelElement(referencedElement);
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break;
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}
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}
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redefinable.setRedefinedRef(referencedElement.getGlobalRef());
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redefinable.redefine(referencedElement, aViolations);
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} else {
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aViolations.add(XmlMessages.unknownElementForRedefinition(redefinable.getGlobalRef(), redefinable));
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}
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}
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getInstantiator().add(new SchemaJob(getInstantiator(), schemaElement, url));
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}
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} catch (XmlException e) {
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aViolations.add(e.getXmlMessage());
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}
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}
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public String getDescription() {
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return "redefineJob for: " + getLocation();
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}
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}
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