1 files changed, 0 insertions, 164 deletions
diff --git a/branches/sca-java-0.99/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/DiscoveryUtils.java b/branches/sca-java-0.99/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/DiscoveryUtils.java
deleted file mode 100644
index 7f25db0620..0000000000
--- a/branches/sca-java-0.99/modules/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/impl/DiscoveryUtils.java
+++ /dev/null
@@ -1,164 +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.extension.helper.impl;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-
-/**
- * Discovers Activators in the classpath using the J2SE
- * jar file extensions for Service Provider discovery
- */
-public class DiscoveryUtils {
-
-    public static <T> List<T> discoverActivators(Class<T> activatorClass, ClassLoader classLoader, ExtensionPointRegistry registry) {
-        Set<Class> activatorClasses = getServiceClasses(classLoader, activatorClass);
-        List<T> activators = new ArrayList<T>();
-        for (Class<T> c : activatorClasses) {
-            try {
-                activators.add(c.cast(instantiateActivator(c, registry)));
-            } catch (Throwable e) {
-                e.printStackTrace(); // TODO: log
-            }
-        }
-        return activators;
-    }
-
-    static Object instantiateActivator(Class activator, ExtensionPointRegistry registry) {
-        Constructor[] cs = activator.getConstructors();
-        if (cs.length != 1) {
-            throw new RuntimeException("Activator must have only one constructors");
-        }
-        
-        Class<?>[] paramTypes = cs[0].getParameterTypes();
-        Object[] extensions = new Object[paramTypes.length];
-
-        for (int i=0; i< paramTypes.length; i++) {
-            if ("org.apache.tuscany.sca.host.http.ServletHost".equals(paramTypes[i].getName())) {
-                extensions[i] = getServletHost(registry);
-            } else {
-                extensions[i] = registry.getExtensionPoint(paramTypes[i]);
-            }
-        }
-        
-        try {
-
-            return cs[0].newInstance(extensions);
-
-        } catch (Exception e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    private static Object getServletHost(ExtensionPointRegistry registry) {
-        try {
-
-            Class<?> servletHostEPClass = Class.forName("org.apache.tuscany.sca.host.http.ServletHostExtensionPoint");
-            Object servletHostEP = registry.getExtensionPoint(servletHostEPClass);
-            Class<?> extensibleServletHost = Class.forName("org.apache.tuscany.sca.host.http.ExtensibleServletHost");
-            return extensibleServletHost.getConstructor(new Class[] {servletHostEPClass}).newInstance(servletHostEP);
-
-        } catch (ClassNotFoundException e) {
-            throw new RuntimeException(e);
-        } catch (IllegalArgumentException e) {
-            throw new RuntimeException(e);
-        } catch (SecurityException e) {
-            throw new RuntimeException(e);
-        } catch (InstantiationException e) {
-            throw new RuntimeException(e);
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    static Set<Class> getServiceClasses(ClassLoader classLoader, Class name) {
-        try {
-
-            Set<Class> set = new HashSet<Class>();
-            Enumeration<URL> urls = classLoader.getResources("META-INF/services/" + name.getName());
-            while (urls.hasMoreElements()) {
-                URL url = urls.nextElement();
-                Set<String> services = getServiceClassNames(url);
-                if (services != null) {
-                    for (String className : services) {
-                        try {
-                            set.add(Class.forName(className, true, classLoader));
-                        } catch (Throwable e) {
-                            // TODO: log 
-                        }
-                    }
-                }
-            }
-            return set;
-
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    static Set<String> getServiceClassNames(URL url) throws IOException {
-        Set<String> names = new HashSet<String>();
-        InputStream is = url.openStream();
-        BufferedReader reader = null;
-        try {
-            reader = new BufferedReader(new InputStreamReader(is));
-            while (true) {
-                String line = reader.readLine();
-                if (line == null) {
-                    break;
-                }
-                line = line.trim();
-                if (!line.startsWith("#") && !"".equals(line)) {
-                    names.add(line.trim());
-                }
-            }
-        } finally {
-            if (reader != null) {
-                reader.close();
-            }
-            
-            if (is != null){
-                try {
-                    is.close();
-                } catch( IOException ioe) {
-                    //ignore
-                }
-            }
-        }
-        return names;
-    }
-
-}