diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/StAXModuleComponentConfigurationLoaderImpl.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/StAXModuleComponentConfigurationLoaderImpl.java | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/StAXModuleComponentConfigurationLoaderImpl.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/StAXModuleComponentConfigurationLoaderImpl.java new file mode 100644 index 0000000000..3bd6e6361d --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/config/impl/StAXModuleComponentConfigurationLoaderImpl.java @@ -0,0 +1,91 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * Licensed 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.core.config.impl; + +import org.apache.tuscany.core.config.ConfigurationLoadException; +import org.apache.tuscany.core.loader.StAXLoaderRegistry; +import org.apache.tuscany.core.loader.LoaderContext; +import org.apache.tuscany.model.assembly.AssemblyContext; +import org.apache.tuscany.model.assembly.Module; +import org.apache.tuscany.model.assembly.ModuleFragment; + +import javax.xml.stream.XMLInputFactory; +import javax.xml.stream.XMLStreamConstants; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import java.io.IOException; +import java.net.URL; + +/** + * @version $Rev$ $Date$ + */ +public class StAXModuleComponentConfigurationLoaderImpl extends AbstractModuleComponentConfigurationLoader { + private final XMLInputFactory xmlFactory; + private final StAXLoaderRegistry registry; + + public StAXModuleComponentConfigurationLoaderImpl(AssemblyContext modelContext, XMLInputFactory xmlFactory, StAXLoaderRegistry registry) { + super(modelContext); + this.xmlFactory = xmlFactory; + this.registry = registry; + } + + public Module loadModule(URL url) throws ConfigurationLoadException { + registry.setContext(modelContext); + try { + XMLStreamReader reader = xmlFactory.createXMLStreamReader(url.openStream()); + getDocumentRoot(reader); + return (Module) registry.load(reader, new LoaderContext(resourceLoader)); + } catch (XMLStreamException e) { + ConfigurationLoadException ce = new ConfigurationLoadException(e); + ce.setResourceURI(url.toString()); + throw ce; + } catch (IOException e) { + ConfigurationLoadException ce = new ConfigurationLoadException(e); + ce.setResourceURI(url.toString()); + throw ce; + } finally { + registry.setContext(null); + } + } + + public ModuleFragment loadModuleFragment(URL url) throws ConfigurationLoadException { + registry.setContext(modelContext); + try { + XMLStreamReader reader = xmlFactory.createXMLStreamReader(url.openStream()); + getDocumentRoot(reader); + return (ModuleFragment) registry.load(reader, new LoaderContext(resourceLoader)); + } catch (XMLStreamException e) { + ConfigurationLoadException ce = new ConfigurationLoadException(e); + ce.setResourceURI(url.toString()); + throw ce; + } catch (IOException e) { + ConfigurationLoadException ce = new ConfigurationLoadException(e); + ce.setResourceURI(url.toString()); + throw ce; + } finally { + registry.setContext(null); + } + } + + private static void getDocumentRoot(XMLStreamReader reader) throws XMLStreamException { + while (true) { + if (reader.next() == XMLStreamConstants.START_ELEMENT) { + return; + } + } + } +} |