Moved data-model master into its own directory

data-model/src/main/java/org/alfresco/util/WebApplicationContextLoader.java

@@ -0,0 +1,143 @@
+/*
+ * #%L
+ * Alfresco Data model classes
+ * %%
+ * Copyright (C) 2005 - 2016 Alfresco Software Limited
+ * %%
+ * This file is part of the Alfresco software. 
+ * If the software was purchased under a paid Alfresco license, the terms of 
+ * the paid license agreement will prevail.  Otherwise, the software is 
+ * provided under the following open source license terms:
+ * 
+ * Alfresco is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * Alfresco is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ * #L%
+ */
+package org.alfresco.util;
+
+import java.io.IOException;
+
+import javax.servlet.ServletContext;
+
+import org.apache.chemistry.opencmis.commons.server.CmisServiceFactory;
+import org.apache.chemistry.opencmis.server.impl.CmisRepositoryContextListener;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.context.support.AbstractApplicationContext;
+import org.springframework.web.context.support.GenericWebApplicationContext;
+
+public class WebApplicationContextLoader
+{
+	private static ConfigurableApplicationContext instance;
+	private static boolean useLazyLoading = false;
+	private static boolean noAutoStart = false;
+
+	/**
+	 * Provides a static, single instance of the application context.  This method can be
+	 * called repeatedly.
+	 * <p/>
+	 * If the configuration requested differs from one used previously, then the previously-created
+	 * context is shut down.
+	 * 
+	 * @return Returns an application context for the given configuration
+	 */
+	public synchronized static ConfigurableApplicationContext getApplicationContext(ServletContext servletContext, String[] configLocations)
+	{
+		AbstractApplicationContext ctx = (AbstractApplicationContext)BaseApplicationContextHelper.getApplicationContext(configLocations);
+		
+		CmisServiceFactory factory = (CmisServiceFactory)ctx.getBean("CMISServiceFactory");
+		
+		DefaultListableBeanFactory dlbf = new DefaultListableBeanFactory(ctx.getBeanFactory());
+		GenericWebApplicationContext gwac = new GenericWebApplicationContext(dlbf);
+		servletContext.setAttribute(GenericWebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, gwac);
+        servletContext.setAttribute(CmisRepositoryContextListener.SERVICES_FACTORY, factory);
+		gwac.setServletContext(servletContext);
+		gwac.refresh();
+
+		return gwac;
+	}
+
+	public synchronized static ConfigurableApplicationContext getApplicationContext(ServletContext servletContext, final String[] configLocations,
+			final String[] classLocations) throws IOException
+	{
+		final AbstractApplicationContext ctx = (AbstractApplicationContext)BaseApplicationContextHelper.getApplicationContext(configLocations, classLocations);
+		DefaultListableBeanFactory dlbf = new DefaultListableBeanFactory(ctx.getBeanFactory());
+		GenericWebApplicationContext gwac = new GenericWebApplicationContext(dlbf);
+		CmisServiceFactory factory = (CmisServiceFactory)ctx.getBean("CMISServiceFactory");
+
+		servletContext.setAttribute(GenericWebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, gwac);
+        servletContext.setAttribute(CmisRepositoryContextListener.SERVICES_FACTORY, factory);
+		gwac.setServletContext(servletContext);
+		gwac.refresh();
+
+		return gwac;
+	}
+
+	/**
+	 * Should the Spring beans be initilised in a lazy manner, or all in one go?
+	 * Normally lazy loading/intialising shouldn't be used when running with the
+	 * full context, but it may be appropriate to reduce startup times when
+	 * using a small, cut down context.
+	 */
+	public static void setUseLazyLoading(boolean lazyLoading)
+	{
+		useLazyLoading = lazyLoading;
+	}
+
+	/**
+	 * Will the Spring beans be initilised in a lazy manner, or all in one go?
+	 * The default it to load everything in one go, as spring normally does.
+	 */
+	public static boolean isUsingLazyLoading()
+	{
+		return useLazyLoading;
+	}
+
+	/**
+	 * Should the autoStart=true property on subsystems be honoured, or should
+	 * this property be ignored and the auto start prevented? Normally we will
+	 * use the spring configuration to decide what to start, but when running
+	 * tests, you can use this to prevent the auto start.
+	 */
+	public static void setNoAutoStart(boolean noAutoStart)
+	{
+		WebApplicationContextLoader.noAutoStart = noAutoStart;
+	}
+
+	/**
+	 * Will Subsystems with the autoStart=true property set on them be allowed
+	 * to auto start? The default is to honour the spring configuration and
+	 * allow them to, but they can be prevented if required.
+	 */
+	public static boolean isNoAutoStart()
+	{
+		return noAutoStart;
+	}
+
+	/**
+	 * Is there currently a context loaded and cached?
+	 */
+	public static boolean isContextLoaded()
+	{
+		return (instance != null);
+	}
+
+	protected static class WebApplicationContext extends GenericWebApplicationContext
+	{
+		protected WebApplicationContext(ServletContext servletContext, AbstractApplicationContext ctx) throws BeansException
+		{
+			super((DefaultListableBeanFactory)ctx.getBeanFactory(), servletContext);
+		}
+	}
+}