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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.xsd.xml;
import java.net.URI;
import java.net.URL;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLInputFactory;
import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.processor.ContributionResolveException;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.processor.StAXArtifactProcessor;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.Problem;
import org.apache.tuscany.sca.monitor.Problem.Severity;
import org.apache.tuscany.sca.xsd.XSDFactory;
import org.apache.tuscany.sca.xsd.XSDefinition;
/**
* An ArtifactProcessor for XSD documents.
*
* @version $Rev$ $Date$
*/
public class XSDDocumentProcessor implements URLArtifactProcessor<XSDefinition> {
private StAXHelper helper;
private XSDFactory factory;
private XMLInputFactory inputFactory;
public XSDDocumentProcessor(ExtensionPointRegistry registry, StAXArtifactProcessor processor) {
FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
this.factory = modelFactories.getFactory(XSDFactory.class);
this.inputFactory = modelFactories.getFactory(XMLInputFactory.class);
this.helper = StAXHelper.getInstance(registry);
}
/**
* Report a exception.
*
* @param problems
* @param message
* @param model
*/
private void error(Monitor monitor, String message, Object model, Exception ex) {
if (monitor != null) {
Problem problem = monitor.createProblem(this.getClass().getName(), "xsd-xml-validation-messages", Severity.ERROR, model, message, ex);
monitor.problem(problem);
}
}
public XSDefinition read(URL contributionURL, URI artifactURI, URL artifactURL, ProcessorContext context) throws ContributionReadException {
try {
return indexRead(artifactURL);
} catch (Exception e) {
ContributionReadException ce = new ContributionReadException(e);
error(context.getMonitor(), "ContributionReadException", artifactURL, ce);
throw ce;
}
}
public void resolve(XSDefinition model, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException {
}
public String getArtifactType() {
return ".xsd";
}
public Class<XSDefinition> getModelType() {
return XSDefinition.class;
}
public static final QName XSD = new QName("http://www.w3.org/2001/XMLSchema", "schema");
protected XSDefinition indexRead(URL doc) throws Exception {
XSDefinition xsd = factory.createXSDefinition();
xsd.setUnresolved(true);
xsd.setNamespace(helper.readAttribute(doc, XSD, "targetNamespace"));
xsd.setLocation(doc.toURI());
xsd.setUnresolved(false);
return xsd;
}
}
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