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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.interfacedef.wsdl.xml;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URL;
import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.contribution.service.ContributionReadException;
import org.apache.tuscany.sca.contribution.service.ContributionResolveException;
import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
import org.apache.tuscany.sca.interfacedef.wsdl.XSDefinition;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaCollection;
import org.apache.ws.commons.schema.resolver.URIResolver;
import org.xml.sax.InputSource;
/**
* An ArtifactProcessor for XSD documents.
*
* @version $Rev$ $Date$
*/
public class XSDDocumentProcessor implements URLArtifactProcessor<XSDefinition> {
private WSDLFactory factory;
/**
* URI resolver implementation for xml schema
*/
private class URIResolverImpl implements URIResolver {
public org.xml.sax.InputSource resolveEntity(java.lang.String targetNamespace,
java.lang.String schemaLocation,
java.lang.String baseUri) {
try {
URL url = new URL(new URL(baseUri), schemaLocation);
return new InputSource(url.openStream());
} catch (IOException e) {
return null;
}
}
}
public XSDDocumentProcessor(WSDLFactory factory) {
this.factory = factory;
}
public XSDefinition read(URL contributionURL, URI artifactURI, URL artifactURL) throws ContributionReadException {
try {
// Read an XSD document
InputStream is = artifactURL.openStream();
try {
XmlSchemaCollection collection = new XmlSchemaCollection();
collection.setSchemaResolver(new URIResolverImpl());
XmlSchema schema = collection.read(new InputStreamReader(is), null);
XSDefinition xsDefinition = factory.createXSDefinition();
xsDefinition.setSchema(schema);
return xsDefinition;
} finally {
is.close();
}
} catch (IOException e) {
throw new ContributionReadException(e);
}
}
public void resolve(XSDefinition model, ModelResolver resolver) throws ContributionResolveException {
}
public String getArtifactType() {
return ".xsd";
}
public Class<XSDefinition> getModelType() {
return XSDefinition.class;
}
}
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