mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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84841e063f
125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
85 lines
2.7 KiB
Java
85 lines
2.7 KiB
Java
/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.traitextender;
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import java.lang.reflect.Constructor;
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/**
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* Creates extension sub classes that are extension API implementors once per
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* extensible-extension point definition.
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*
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* @author Bogdan Horje
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*/
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public class InstanceExtensionFactory<I extends InstanceExtension<E, T>, T extends Trait, E> implements
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ExtensionFactory<E>
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{
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private Class<? extends I> extensionClass;
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private Class<T> traitAPI;
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public <C extends I> InstanceExtensionFactory(Class<C> extensionClass, Class<T> traitAPI,
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Class<? extends E> extensionAPI)
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{
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super();
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this.extensionClass = extensionClass;
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this.traitAPI = traitAPI;
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if (!extensionAPI.isAssignableFrom(extensionClass))
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{
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throw new InvalidExtension("Extension class " + extensionClass + " is incompatible with extensio API "
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+ extensionAPI);
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}
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}
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@SuppressWarnings("unchecked")
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@Override
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public <TO extends Trait> E createExtension(TO traitObject)
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{
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try
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{
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// Trait RTTI will be performed anyway at Constructor#newInstance
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// invocation time
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T tTrait = (T) traitObject;
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Constructor<? extends I> c = extensionClass.getConstructor(traitAPI);
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return (E) c.newInstance(tTrait);
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}
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catch (Exception error)
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{
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throw new RuntimeException(error);
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}
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}
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@Override
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public boolean canCreateExtensionFor(ExtensionPoint<?, ?> point)
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{
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return point.getExtensionAPI().isAssignableFrom(extensionClass)
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&& traitAPI.isAssignableFrom(point.getTraitAPI());
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}
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}
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