| // |
| // ======================================================================== |
| // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. |
| // ------------------------------------------------------------------------ |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // and Apache License v2.0 which accompanies this distribution. |
| // |
| // The Eclipse Public License is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // The Apache License v2.0 is available at |
| // http://www.opensource.org/licenses/apache2.0.php |
| // |
| // You may elect to redistribute this code under either of these licenses. |
| // ======================================================================== |
| // |
| |
| package org.eclipse.jetty.plus.annotation; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jetty.util.log.Log; |
| import org.eclipse.jetty.util.log.Logger; |
| |
| /** |
| * InjectionCollection |
| * |
| * |
| */ |
| public class InjectionCollection |
| { |
| private static final Logger LOG = Log.getLogger(InjectionCollection.class); |
| |
| public static final String INJECTION_COLLECTION = "org.eclipse.jetty.injectionCollection"; |
| |
| private HashMap<String, List<Injection>> _injectionMap = new HashMap<String, List<Injection>>();//map of classname to injections |
| |
| |
| public void add (Injection injection) |
| { |
| if ((injection==null) || injection.getTargetClass()==null) |
| return; |
| |
| if (LOG.isDebugEnabled()) |
| LOG.debug("Adding injection for class="+(injection.getTargetClass()+ " on a "+(injection.getTarget().getName()))); |
| |
| |
| List<Injection> injections = (List<Injection>)_injectionMap.get(injection.getTargetClass().getCanonicalName()); |
| if (injections==null) |
| { |
| injections = new ArrayList<Injection>(); |
| _injectionMap.put(injection.getTargetClass().getCanonicalName(), injections); |
| } |
| injections.add(injection); |
| } |
| |
| |
| public List<Injection> getInjections (String className) |
| { |
| if (className==null) |
| return null; |
| |
| return _injectionMap.get(className); |
| } |
| |
| |
| |
| public Injection getInjection (String jndiName, Class<?> clazz, Field field) |
| { |
| if (field == null || clazz == null) |
| return null; |
| |
| List<Injection> injections = getInjections(clazz.getCanonicalName()); |
| if (injections == null) |
| return null; |
| Iterator<Injection> itor = injections.iterator(); |
| Injection injection = null; |
| while (itor.hasNext() && injection == null) |
| { |
| Injection i = itor.next(); |
| if (i.isField() && field.getName().equals(i.getTarget().getName())) |
| injection = i; |
| } |
| |
| return injection; |
| } |
| |
| public Injection getInjection (String jndiName, Class<?> clazz, Method method, Class<?> paramClass) |
| { |
| if (clazz == null || method == null || paramClass == null) |
| return null; |
| |
| List<Injection> injections = getInjections(clazz.getCanonicalName()); |
| if (injections == null) |
| return null; |
| Iterator<Injection> itor = injections.iterator(); |
| Injection injection = null; |
| while (itor.hasNext() && injection == null) |
| { |
| Injection i = itor.next(); |
| if (i.isMethod() && i.getTarget().getName().equals(method.getName()) && paramClass.equals(i.getParamClass())) |
| injection = i; |
| } |
| |
| return injection; |
| } |
| |
| |
| public void inject (Object injectable) |
| { |
| if (injectable==null) |
| return; |
| |
| //Get all injections pertinent to the Object by |
| //looking at it's class hierarchy |
| Class<?> clazz = injectable.getClass(); |
| |
| while (clazz != null) |
| { |
| List<Injection> injections = _injectionMap.get(clazz.getCanonicalName()); |
| if (injections != null) |
| { |
| for (Injection i : injections) |
| i.inject(injectable); |
| } |
| |
| clazz = clazz.getSuperclass(); |
| } |
| } |
| } |