diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta2-RC3/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta2-RC3/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java b/sca-java-2.x/tags/2.0-Beta2-RC3/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java deleted file mode 100644 index 423e906d6b..0000000000 --- a/sca-java-2.x/tags/2.0-Beta2-RC3/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/runtime/utils/ContextHelper.java +++ /dev/null @@ -1,133 +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.implementation.web.runtime.utils; - -import java.lang.reflect.Field; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -import javax.servlet.ServletContext; - -import org.apache.tuscany.sca.assembly.ComponentProperty; -import org.apache.tuscany.sca.runtime.RuntimeComponent; -import org.oasisopen.sca.ComponentContext; -import org.oasisopen.sca.ServiceReference; -import org.oasisopen.sca.ServiceRuntimeException; -import org.oasisopen.sca.annotation.ComponentName; -import org.oasisopen.sca.annotation.Context; -import org.oasisopen.sca.annotation.Property; -import org.oasisopen.sca.annotation.Reference; - -public class ContextHelper { - - public static final String COMPONENT_ATTR = "org.apache.tuscany.sca.implementation.web.RuntimeComponent"; - - public static ComponentContext getComponentContext(ServletContext sc) { - RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR); - return rc.getComponentContext(); - } - - public static <T> T getReference(String name, Class<T> type, ServletContext sc) { - ServiceReference<T> sr = getComponentContext(sc).getServiceReference(type, name); - if (sr == null) { - throw new ServiceRuntimeException("Reference '" + name + "' undefined"); - } - return sr.getService(); - } - - public static Object getProperty(String name, ServletContext sc) { - RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR); - for (ComponentProperty p : rc.getProperties()) { - if (name.equals(p.getName())) { - return p.getValue(); - } - } - return null; - } - - public static void inject(Object instance, ServletContext sc) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException { - - Class<?> clazz = instance.getClass(); - for (Field field : clazz.getDeclaredFields()) { - if (field.isAnnotationPresent(Reference.class)) { - Reference ref = field.getAnnotation(Reference.class); - String name = ref.name() != null && !ref.name().equals("") ? ref.name() : field.getName(); - Object value = getReference(name, field.getType(), sc); - setField(instance, field, value); - } else if (field.isAnnotationPresent(Property.class)) { - Property prop = field.getAnnotation(Property.class); - String name = prop.name() != null && !prop.name().equals("") ? prop.name() : field.getName(); - Object value = getProperty(name, sc); - setField(instance, field, value); - } else if (field.isAnnotationPresent(ComponentName.class)) { - RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR); - setField(instance, field, rc.getName()); - } else if (field.isAnnotationPresent(Context.class)) { - setField(instance, field, getComponentContext(sc)); - } - } - - for (Method method : clazz.getDeclaredMethods()) { - if (!method.getName().startsWith("set") || method.getParameterTypes().length != 1) { - continue; - } - String targetName = method.getName().substring(3); - Class<?> type = method.getParameterTypes()[0]; - - if (method.isAnnotationPresent(Reference.class)) { - Reference ref = method.getAnnotation(Reference.class); - String name = ref.name() != null && !ref.name().equals("") ? ref.name() : targetName; - Object value = getReference(name, type, sc); - setMethod(instance, method, value); - } else if (method.isAnnotationPresent(Property.class)) { - Property prop = method.getAnnotation(Property.class); - String name = prop.name() != null && !prop.name().equals("") ? prop.name() : targetName; - Object value = getProperty(name, sc); - setMethod(instance, method, value); - } else if (method.isAnnotationPresent(ComponentName.class)) { - RuntimeComponent rc = (RuntimeComponent)sc.getAttribute(COMPONENT_ATTR); - setMethod(instance, method, rc.getName()); - } else if (method.isAnnotationPresent(Context.class)) { - setMethod(instance, method, getComponentContext(sc)); - } - } - } - - private static void setMethod(Object instance, Method method, Object value) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException { - if (method.isAccessible()) { - method.invoke(instance, new Object[] {value}); - } else { - method.setAccessible(true); - method.invoke(instance, new Object[] {value}); - method.setAccessible(false); - } - } - - private static void setField(Object instance, Field field, Object value) throws IllegalArgumentException, IllegalAccessException { - if (field.isAccessible()) { - field.set(instance, value); - } else { - field.setAccessible(true); - field.set(instance, value); - field.setAccessible(false); - } - } - -} |