diff options
Diffstat (limited to 'sca-java-1.x/tags/1.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java')
-rw-r--r-- | sca-java-1.x/tags/1.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java b/sca-java-1.x/tags/1.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java new file mode 100644 index 0000000000..1ef83bc5f4 --- /dev/null +++ b/sca-java-1.x/tags/1.2/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/ConstrainingTypeDocumentProcessor.java @@ -0,0 +1,121 @@ +/* + * 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.assembly.xml; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URL; +import java.net.URLConnection; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.validation.Schema; + +import org.apache.tuscany.sca.assembly.ConstrainingType; +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.contribution.service.ContributionReadException; +import org.apache.tuscany.sca.contribution.service.ContributionResolveException; + +/** + * A contrainingType content handler. + * + * @version $Rev$ $Date$ + */ +public class ConstrainingTypeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<ConstrainingType> { + private XMLInputFactory inputFactory; + private Schema schema; + + /** + * Construct a new constrainingType processor. + * @param factory + * @param policyFactory + * @param staxProcessor + */ + public ConstrainingTypeDocumentProcessor(StAXArtifactProcessor staxProcessor, XMLInputFactory inputFactory) { + super(null, null, staxProcessor); + this.inputFactory = inputFactory; + } + + public ConstrainingType read(URL contributionURL, URI uri, URL url) throws ContributionReadException { + InputStream urlStream = null; + try { + + // Create a stream reader + URLConnection connection = url.openConnection(); + connection.setUseCaches(false); + urlStream = connection.getInputStream(); + XMLStreamReader reader = inputFactory.createXMLStreamReader(url.toString(), urlStream); + reader.nextTag(); + + // Read the constrainingType model + ConstrainingType constrainingType = (ConstrainingType)extensionProcessor.read(reader); + + // For debugging purposes, write it back to XML +// if (constrainingType != null) { +// try { +// ByteArrayOutputStream bos = new ByteArrayOutputStream(); +// XMLOutputFactory outputFactory = XMLOutputFactory.newInstance(); +// outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE); +// extensionProcessor.write(constrainingType, outputFactory.createXMLStreamWriter(bos)); +// Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(bos.toByteArray())); +// OutputFormat format = new OutputFormat(); +// format.setIndenting(true); +// format.setIndent(2); +// XMLSerializer serializer = new XMLSerializer(System.out, format); +// serializer.serialize(document); +// } catch (Exception e) { +// e.printStackTrace(); +// } +// } + + return constrainingType; + + } catch (XMLStreamException e) { + throw new ContributionReadException(e); + } catch (IOException e) { + throw new ContributionReadException(e); + } finally { + try { + if (urlStream != null) { + urlStream.close(); + urlStream = null; + } + } catch (IOException ioe) { + //ignore + } + } + } + + public void resolve(ConstrainingType constrainingType, ModelResolver resolver) throws ContributionResolveException { + extensionProcessor.resolve(constrainingType, resolver); + } + + public String getArtifactType() { + return ".constrainingType"; + } + + public Class<ConstrainingType> getModelType() { + return ConstrainingType.class; + } +} |