import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
@Override
public MessageHandler create(MessageContext ctx) {
    MailTransactionImpl mailTransaction = new MailTransactionImpl(ctx);
    FilterInstances filterInstances =
            filters.createInstanceChain(mailTransaction);
    FilterChainMessageHandler filterChainMessageHandler =
            new FilterChainMessageHandler(filterInstances, mailTransaction);
    return new ErrorHandlerMessageHandler(filterChainMessageHandler);
}
 

import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
public MessageHandler create(MessageContext ctx) {
	return new Handler(ctx);
}
 

import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
public MessageHandler create(MessageContext messageContext)
{
    return new Handler(messageContext);
}
 

import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
@Override
public MessageHandler create(MessageContext ctx) {
    return myMessageHandler;
}
 

import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
public MessageHandler create(MessageContext ctx)
{
	return new Handler(ctx);
}
 

import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
/**
 * @return the current message handler
 */
public MessageHandler getMessageHandler()
{
	return this.messageHandler;
}
 

import org.subethamail.smtp.MessageHandler; //导入依赖的package包/类
public ErrorHandlerMessageHandler(MessageHandler wrappedHandler) {
    this.wrapped = wrappedHandler;
}