org.trailsframework.conversations.services.ConversationModule Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of trails-conversations Show documentation

An implementation of conversation-within-page concept for Tapestry 5

The newest version!

package org.trailsframework.conversations.services;

import java.io.IOException;
import java.util.Properties;

import org.apache.tapestry5.ioc.Configuration;
import org.apache.tapestry5.ioc.MappedConfiguration;
import org.apache.tapestry5.ioc.ServiceBinder;
import org.apache.tapestry5.ioc.annotations.Match;
import org.apache.tapestry5.services.LibraryMapping;
import org.apache.tapestry5.services.PersistentFieldStrategy;
import org.apache.tapestry5.services.Request;
import org.apache.tapestry5.services.RequestGlobals;

public class ConversationModule {
	private static final String version;
	static {
		Properties moduleProperties = new Properties();
		String aVersion = "unversioned"; 
		try {
			moduleProperties.load(ConversationModule.class.getResourceAsStream("module.properties"));
			aVersion = moduleProperties.getProperty("module.version");
		} catch (IOException e) {
			// ignore
		}
		version = aVersion;
	}

	public static void bind(ServiceBinder binder) {
		binder.bind(RequestHandlerDecorator.class, RequestHandlerDecoratorImpl.class);
		binder.bind(ConversationManager.class, ConversationManagerImpl.class);
	}

	public static void contributeComponentClassResolver(Configuration configuration) {
		configuration.add(new LibraryMapping("conversation", "org.trailsframework.conversations"));
	}

	public static void contributeClasspathAssetAliasManager(MappedConfiguration configuration) {
		configuration.add("trails-conversations/" + version, "org/trailsframework/conversations");
	}

	public static void contributePersistentFieldManager(MappedConfiguration configuration, RequestGlobals requestGlobals,
			Request request, ConversationManager conversationManager) {
		configuration.add("conversation", new ConversationalPersistentFieldStrategy(request, conversationManager));
	}

	@Match( { "PageRenderRequestHandler", "ComponentEventRequestHandler" })
	public static  T decorateRequestHandler(Class serviceInterface, T delegate, RequestHandlerDecorator decorator) {
		return decorator.build(serviceInterface, delegate);
	}

}