mirror of
https://github.com/scm-manager/scm-manager.git
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357 lines
9.3 KiB
Java
357 lines
9.3 KiB
Java
/**
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* Copyright (c) 2010, Sebastian Sdorra
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of SCM-Manager; nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* http://bitbucket.org/sdorra/scm-manager
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*
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*/
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package sonia.scm;
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//~--- non-JDK imports --------------------------------------------------------
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import com.google.inject.Binder;
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import com.google.inject.Module;
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import com.google.inject.multibindings.Multibinder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import sonia.scm.group.GroupListener;
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import sonia.scm.plugin.ext.Extension;
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import sonia.scm.plugin.ext.ExtensionProcessor;
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import sonia.scm.repository.RepositoryHandler;
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import sonia.scm.repository.RepositoryListener;
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import sonia.scm.resources.ResourceHandler;
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import sonia.scm.security.EncryptionHandler;
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import sonia.scm.user.UserListener;
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import sonia.scm.web.security.AuthenticationHandler;
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import sonia.scm.web.security.AuthenticationListener;
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import sonia.scm.web.security.XmlAuthenticationHandler;
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//~--- JDK imports ------------------------------------------------------------
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import java.util.HashSet;
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import java.util.Set;
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/**
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*
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* @author Sebastian Sdorra
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*/
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public class BindingExtensionProcessor implements ExtensionProcessor
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{
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/** the logger for BindingExtensionProcessor */
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private static final Logger logger =
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LoggerFactory.getLogger(BindingExtensionProcessor.class);
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//~--- constructors ---------------------------------------------------------
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/**
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* Constructs ...
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*
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*
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*/
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public BindingExtensionProcessor()
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{
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this.moduleSet = new HashSet<Module>();
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this.extensions = new HashSet<Class<?>>();
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}
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//~--- methods --------------------------------------------------------------
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/**
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* Method description
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*
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*
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* @param binder
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*/
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@SuppressWarnings("unchecked")
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public void bindExtensions(Binder binder)
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{
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Multibinder<RepositoryHandler> repositoryHandlers =
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Multibinder.newSetBinder(binder, RepositoryHandler.class);
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Multibinder<AuthenticationHandler> authenticators =
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Multibinder.newSetBinder(binder, AuthenticationHandler.class);
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Multibinder<ResourceHandler> resourceHandler =
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Multibinder.newSetBinder(binder, ResourceHandler.class);
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authenticators.addBinding().to(XmlAuthenticationHandler.class);
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for (Class extensionClass : extensions)
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{
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try
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{
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if (RepositoryHandler.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind RepositoryHandler {}", extensionClass.getName());
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}
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binder.bind(extensionClass);
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repositoryHandlers.addBinding().to(extensionClass);
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}
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else if (EncryptionHandler.class.isAssignableFrom(extensionClass))
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{
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bind(binder, EncryptionHandler.class, extensionClass);
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}
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else if (AuthenticationHandler.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind AuthenticationHandler {}",
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extensionClass.getName());
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}
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binder.bind(extensionClass);
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authenticators.addBinding().to(extensionClass);
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}
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else if (GroupListener.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind GroupListener {}", extensionClass.getName());
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}
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GroupListener listener = (GroupListener) extensionClass.newInstance();
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groupListeners.add(listener);
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}
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else if (UserListener.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind UserListener {}", extensionClass.getName());
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}
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UserListener listener = (UserListener) extensionClass.newInstance();
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userListeners.add(listener);
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}
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else if (RepositoryListener.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind RepositoryListener {}", extensionClass.getName());
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}
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RepositoryListener listener =
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(RepositoryListener) extensionClass.newInstance();
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repositoryListeners.add(listener);
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}
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else if (AuthenticationListener.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind AuthenticaitonListener {}",
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extensionClass.getName());
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}
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AuthenticationListener listener =
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(AuthenticationListener) extensionClass.newInstance();
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authenticationListeners.add(listener);
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}
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else if (ResourceHandler.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind ResourceHandler {}", extensionClass.getName());
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}
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resourceHandler.addBinding().to(extensionClass);
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}
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else
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{
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if (logger.isInfoEnabled())
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{
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logger.info("bind {}", extensionClass.getName());
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}
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binder.bind(extensionClass);
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}
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}
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catch (Exception ex)
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{
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logger.error(ex.getMessage(), ex);
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}
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}
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}
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/**
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* Method description
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*
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*
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* @param extension
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* @param extensionClass
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*/
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@Override
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public void processExtension(Extension extension, Class extensionClass)
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{
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if (Module.class.isAssignableFrom(extensionClass))
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{
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if (logger.isInfoEnabled())
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{
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logger.info("add GuiceModule {}", extensionClass.getName());
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}
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addModuleClass(extensionClass);
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}
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else
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{
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extensions.add(extensionClass);
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}
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}
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//~--- get methods ----------------------------------------------------------
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/**
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* Method description
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*
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*
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* @return
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*/
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public Set<AuthenticationListener> getAuthenticationListeners()
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{
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return authenticationListeners;
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}
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/**
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* Method description
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*
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*
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* @return
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*/
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public Set<GroupListener> getGroupListeners()
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{
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return groupListeners;
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}
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/**
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* Method description
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*
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*
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* @return
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*/
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public Set<Module> getModuleSet()
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{
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return moduleSet;
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}
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/**
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* Method description
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*
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*
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* @return
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*/
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public Set<RepositoryListener> getRepositoryListeners()
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{
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return repositoryListeners;
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}
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/**
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* Method description
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*
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*
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* @return
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*/
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public Set<UserListener> getUserListeners()
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{
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return userListeners;
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}
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//~--- methods --------------------------------------------------------------
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/**
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* Method description
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*
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*
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* @param extensionClass
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*/
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private void addModuleClass(Class<? extends Module> extensionClass)
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{
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try
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{
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Module module = extensionClass.newInstance();
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moduleSet.add(module);
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}
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catch (Exception ex)
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{
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logger.error(ex.getMessage(), ex);
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}
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}
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/**
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* Method description
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*
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*
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*
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* @param binder
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* @param type
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* @param bindingType
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* @param <T>
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*
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* @return
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*/
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private <T> void bind(Binder binder, Class<T> type,
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Class<? extends T> bindingType)
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{
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if (logger.isDebugEnabled())
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{
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logger.debug("bind {} of type {}", type.getName(), bindingType.getName());
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}
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binder.bind(type).to(bindingType);
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}
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//~--- fields ---------------------------------------------------------------
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/** Field description */
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private Set<Class<?>> extensions;
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/** Field description */
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private Set<Module> moduleSet;
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/** Field description */
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private Set<RepositoryListener> repositoryListeners =
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new HashSet<RepositoryListener>();
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/** Field description */
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private Set<AuthenticationListener> authenticationListeners =
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new HashSet<AuthenticationListener>();
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/** Field description */
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private Set<UserListener> userListeners = new HashSet<UserListener>();
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/** Field description */
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private Set<GroupListener> groupListeners = new HashSet<GroupListener>();
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}
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