Merge Web Scripts from BRANCHES/DEV/DAVE

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5349 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/web/api/APIStores.java

@@ -0,0 +1,94 @@
+package org.alfresco.web.api;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import org.alfresco.util.AbstractLifecycleBean;
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ApplicationEvent;
+import org.springframework.context.ApplicationListener;
+
+import freemarker.cache.MultiTemplateLoader;
+import freemarker.cache.TemplateLoader;
+
+public class APIStores implements ApplicationContextAware, ApplicationListener
+{
+    private ApplicationContext applicationContext;
+    private ProcessorLifecycle lifecycle = new ProcessorLifecycle();
+    private APITemplateProcessor templateProcessor;
+
+    
+    /* (non-Javadoc)
+     * @see org.springframework.context.ApplicationListener#onApplicationEvent(org.springframework.context.ApplicationEvent)
+     */
+    public void onApplicationEvent(ApplicationEvent event)
+    {
+        lifecycle.onApplicationEvent(event);
+    }
+    
+    /**
+     * Hooks into Spring Application Lifecycle
+     */
+    private class ProcessorLifecycle extends AbstractLifecycleBean
+    {
+        @Override
+        protected void onBootstrap(ApplicationEvent event)
+        {
+            initTemplateProcessor();
+            initScriptProcessor();
+        }
+    
+        @Override
+        protected void onShutdown(ApplicationEvent event)
+        {
+        }
+    }
+
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException
+    {
+        this.applicationContext = applicationContext;
+        this.lifecycle.setApplicationContext(applicationContext);        
+    }
+
+
+    protected void initTemplateProcessor()
+    {        
+        List<TemplateLoader> loaders = new ArrayList<TemplateLoader>();
+        for (APIStore apiStore : getAPIStores())
+        {
+            TemplateLoader loader = apiStore.getTemplateLoader();
+            if (loader == null)
+            {
+                throw new APIException("Unable to retrieve template loader for api store " + apiStore.getBasePath());
+            }
+            loaders.add(loader);
+        }
+        MultiTemplateLoader loader = new MultiTemplateLoader(loaders.toArray(new TemplateLoader[loaders.size()]));
+        templateProcessor.setTemplateLoader(loader);
+    }
+
+    protected void initScriptProcessor()
+    {
+        
+    }
+    
+    @SuppressWarnings("unchecked")
+    public Collection<APIStore> getAPIStores()
+    {
+        return applicationContext.getBeansOfType(APIStore.class, false, false).values();
+    }
+
+    public void setTemplateProcessor(APITemplateProcessor templateProcessor)
+    {
+        this.templateProcessor = templateProcessor;
+    }
+        
+    public APITemplateProcessor getTemplateProcessor()
+    {
+        return templateProcessor;
+    }
+       
+}