diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java')
| -rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java b/sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java deleted file mode 100644 index 5ba42a0dec..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC1/modules/assembly-xml/src/main/java/org/apache/tuscany/sca/assembly/xml/CompositeDocumentProcessor.java +++ /dev/null @@ -1,185 +0,0 @@ -/* - * 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 javax.xml.stream.XMLStreamException; -import javax.xml.stream.XMLStreamReader; -import javax.xml.stream.XMLStreamConstants; -import javax.xml.transform.stream.StreamSource; - -import org.apache.tuscany.sca.assembly.Composite; -import org.apache.tuscany.sca.common.java.io.IOHelper; -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.processor.ValidatingXMLInputFactory; -import org.apache.tuscany.sca.contribution.resolver.ModelResolver; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.monitor.Monitor; -import org.xml.sax.SAXException; - -/** - * A composite processor. - * - * @version $Rev$ $Date$ - */ -public class CompositeDocumentProcessor extends BaseAssemblyProcessor implements URLArtifactProcessor<Composite>, - XMLStreamConstants { - private ValidatingXMLInputFactory inputFactory; - - - /** - * Constructs a composite document processor - * @param modelFactories - * @param staxProcessor - * @param monitor - */ - public CompositeDocumentProcessor(FactoryExtensionPoint modelFactories, - StAXArtifactProcessor<?> staxProcessor) { - super(modelFactories, staxProcessor); - this.inputFactory = modelFactories.getFactory(ValidatingXMLInputFactory.class); - } - - /** - * Reads the contents of a Composite document and returns a Composite object - * @param contributionURL - the URL of the contribution containing the Composite - can be null - * @param uri - the URI of the composite document - * @param url - the URL of the composite document - * @return a Composite object built from the supplied Composite document - */ - public Composite read(URL contributionURL, URI uri, URL url, ProcessorContext context) throws ContributionReadException { - if( uri == null || url == null ) { - throw new ContributionReadException("Request to read composite with uri or url NULL"); - } // end if - InputStream scdlStream = null; - - try { - scdlStream = IOHelper.openStream(url); - } catch (IOException e) { - ContributionReadException ce = new ContributionReadException("Exception reading " + uri, e); - error(context.getMonitor(), "ContributionReadException", url, ce); - throw ce; - } - return read(uri, url, scdlStream, context); - } - - public Composite read(URI uri, URL url, InputStream scdlStream, ProcessorContext context) throws ContributionReadException { - try { - - Composite composite = null; - Monitor monitor = context.getMonitor(); - // Tag the monitor with the name of the composite artifact - if( monitor != null ) { - monitor.setArtifactName(uri.toString()); - } //end if - - // Set up a StreamSource for the composite file, since this has an associated URL that - // can be used by the parser to find references to other files such as DTDs - StreamSource scdlSource = new StreamSource( scdlStream, url.toString() ); - XMLStreamReader reader = inputFactory.createXMLStreamReader(scdlSource); - - // set the monitor on the input factory as the standard XMLInputFactory - // methods used for creating readers don't allow for the context to - // be passed in - ValidatingXMLInputFactory.setMonitor(reader, context.getMonitor()); - - // Read the header (i.e. text before the <composite> element, if any - readCompositeFileHeader( reader ); - - // Read the composite model - composite = (Composite)extensionProcessor.read(reader, context); - if (composite != null) { - composite.setURI(uri.toString()); - } - - return composite; - - } catch (XMLStreamException e) { - ContributionReadException ce = new ContributionReadException("Exception reading " + uri, e); - error(context.getMonitor(), "ContributionReadException", inputFactory, ce); - throw ce; - } finally { - try { - if (scdlStream != null) { - scdlStream.close(); - scdlStream = null; - } - } catch (IOException ioe) { - //ignore - } - } - } - - /** - * Reads the header portion of a composite file - i.e. the section of the file before the - * <composite> start tag - * In particular handle any DTD declarations - * @param reader - an XMLStreamReader which is reading the composite file - * @throws XMLStreamException - */ - private void readCompositeFileHeader( XMLStreamReader reader ) throws XMLStreamException { - - while (true) { - int event = reader.next(); - - if ( event == CHARACTERS - || event == CDATA - || event == SPACE - || event == PROCESSING_INSTRUCTION - || event == COMMENT - || event == DTD - || event == ENTITY_DECLARATION ) { - continue; - } // end if - - // The first start (or end) element terminates the header scan - if (event == START_ELEMENT || event == END_ELEMENT) { - return; - } // end if - } // end while - } // end method readCompositeFileHeader - - public void resolve(Composite composite, ModelResolver resolver, ProcessorContext context) throws ContributionResolveException { - try { - if (composite != null) - extensionProcessor.resolve(composite, resolver, context); - } catch (Throwable e ) { - // Add information about which composite was being processed when the exception occurred - String newMessage = "Processing composite " + composite.getName() + ": " + e.getMessage(); - throw new ContributionResolveException( newMessage, e ); - } // end try - } - - public String getArtifactType() { - return ".composite"; - } - - public Class<Composite> getModelType() { - return Composite.class; - } - -} // end class |