package com.google.code.rees.scope.struts2.programmatic;
import java.io.Serializable;
import com.google.code.rees.scope.conversation.ConversationUtil;
import com.google.code.rees.scope.conversation.context.ConversationContext;
/**
* Utility class that uses the {@link ConversationUtil} and
* {@link ProgrammaticModelDrivenConversation} interface
* to assist in programmatic conversation management. Used by the
* {@link ProgrammaticModelDrivenConversationSupport} class.
*
* In most uses, actions should inherit from the
* ProgrammaticModelDrivenConversationSupport rather than using this class
* directly.
*
* @author rees.byars
*
*/
public class ProgrammaticModelDrivenConversationUtil {
public static <T extends ProgrammaticModelDrivenConversation<?>> void begin(
T controller) {
Object model = controller.getModel();
for (String conversationName : controller.getConversations()) {
ConversationContext conversationContext = ConversationUtil
.begin(conversationName);
conversationContext.put(conversationName, model);
}
}
public static <M extends Serializable, T extends ProgrammaticModelDrivenConversation<M>> void persist(
T controller) {
for (String conversationName : controller.getConversations()) {
ConversationUtil.persist(conversationName);
}
}
public static <M extends Serializable, T extends ProgrammaticModelDrivenConversation<M>> void end(
T controller) {
for (String conversationName : controller.getConversations()) {
ConversationUtil.end(conversationName);
}
}
@SuppressWarnings("unchecked")
public static <M extends Serializable, T extends ProgrammaticModelDrivenConversation<M>> M getModel(
T controller, String modelKey) {
return (M) ConversationUtil.getField(modelKey);
}
public static <M extends Serializable, T extends ProgrammaticModelDrivenConversation<M>> void setModel(
M model, T controller, String modelKey) {
ConversationUtil.setField(modelKey, model);
}
}