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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.io.InputStream;
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import java.net.URL;
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import org.jbind.xml.Config;
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import org.jbind.xml.base.IBindingAttributes;
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import org.jbind.xml.base.INamespaces;
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import org.jbind.xml.core.cmp.ISchema;
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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.Schemas;
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import org.jbind.xml.schema.instantiation.IImportJobHelper;
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import org.jbind.xml.schema.instantiation.ISchemaElement;
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public class ImportJob extends SourceJob {
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public ImportJob(IImportJobHelper 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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IImportJobHelper helper = (IImportJobHelper)getHelper();
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String importedNamespace = helper.getNamespace();
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if (INamespaces.NO.equals(importedNamespace) && getSchemaElement().isChameleon()) {
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aViolations.add(XmlMessages.importOfNoNamespaceNotAllowedInChameleonSchema(getHelper()));
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return;
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}
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if (getSchemaElement().getTargetNamespace().equals(importedNamespace)) {
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aViolations.add(XmlMessages.importedNamespaceMustNotBeTheSame(getHelper()));
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return;
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}
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// Check if a schema for the namespace is already known.
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ISchema importedSchema = Schemas.getInstance().getSchema(importedNamespace);
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if (null == importedSchema) {
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try {
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URL url = null;
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String resolvedNamespace = Config.instance.resolveUri(importedNamespace);
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if (null != resolvedNamespace) {
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url = new URL(resolvedNamespace);
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} else {
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url = getUrl();
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if (null == url) {
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try {
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url = new URL(importedNamespace);
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InputStream is = url.openStream();
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is.close();
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} catch (Exception e) {
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aViolations.add(XmlMessages.missingSchemaLocationForImport(importedNamespace, getHelper()));
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return;
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}
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}
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}
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IInstantiator instantiator = getInstantiator().newInstantiator();
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String packageName = helper.getLocalStringBindingAttribute(IBindingAttributes.PACKAGE);
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importedSchema = instantiator.readSchema(url, getInstantiator().getUseBuiltInClassesOnly(), packageName);
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if (!importedNamespace.equals(importedSchema.getNamespace())) {
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aViolations.add(XmlMessages.invalidImportedNamespace(importedNamespace, importedSchema.getNamespace(), url, getLocation()));
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} else {
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Schemas.getInstance().setSchema(importedSchema);
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}
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} catch (XmlException e) {
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aViolations.add(e.getXmlMessage());
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} catch (Exception e) {
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aViolations.add(XmlMessages.wrappedException(e, getLocation()));
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}
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}
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if (null != importedSchema) {
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getInstantiator().getSchema().addImportedSchema(importedSchema);
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}
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}
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public String getDescription() {
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return "importJob: " + getLocation();
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}
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}
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