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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.1/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.1/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.1/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java b/sca-java-1.x/branches/sca-java-1.1/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java new file mode 100644 index 0000000000..c7172cf643 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.1/modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/DefaultJavaInterfaceFactory.java @@ -0,0 +1,89 @@ +/* + * 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.java; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.net.URL; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Set; + +import org.apache.tuscany.sca.contribution.util.ServiceDeclaration; +import org.apache.tuscany.sca.contribution.util.ServiceDiscovery; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceFactoryImpl; +import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor; + +/** + * A factory for the Java interface model. + */ +public class DefaultJavaInterfaceFactory extends JavaInterfaceFactoryImpl implements JavaInterfaceFactory { + + private boolean loadedVisitors; + + public DefaultJavaInterfaceFactory() { + } + + @Override + public List<JavaInterfaceVisitor> getInterfaceVisitors() { + loadVisitors(); + return super.getInterfaceVisitors(); + } + + /** + * Load visitors declared under META-INF/services + */ + @SuppressWarnings("unchecked") + private void loadVisitors() { + if (loadedVisitors) + return; + + // Get the databinding service declarations + Set<ServiceDeclaration> visitorDeclarations; + try { + visitorDeclarations = ServiceDiscovery.getInstance().getServiceDeclarations(JavaInterfaceVisitor.class); + } catch (IOException e) { + throw new IllegalStateException(e); + } + + // Load data bindings + for (ServiceDeclaration visitorDeclaration: visitorDeclarations) { + JavaInterfaceVisitor visitor; + try { + Class<JavaInterfaceVisitor> visitorClass = (Class<JavaInterfaceVisitor>)visitorDeclaration.loadClass(); + visitor = visitorClass.newInstance(); + } catch (ClassNotFoundException e) { + throw new IllegalArgumentException(e); + } catch (InstantiationException e) { + throw new IllegalArgumentException(e); + } catch (IllegalAccessException e) { + throw new IllegalArgumentException(e); + } + addInterfaceVisitor(visitor); + } + + loadedVisitors = true; + } + + + +} |