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* Licensed to the Apache Software Foundation (ASF) under one *
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* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
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package org.apache.james.protocols.pop3.core;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.apache.james.protocols.api.Request;
import org.apache.james.protocols.api.Response;
import org.apache.james.protocols.api.handler.CommandHandler;
import org.apache.james.protocols.api.handler.ExtensibleHandler;
import org.apache.james.protocols.api.handler.WiringException;
import org.apache.james.protocols.pop3.POP3Response;
import org.apache.james.protocols.pop3.POP3Session;
/**
* This handler is used to handle CAPA commands
*/
public class CapaCmdHandler implements CommandHandler<POP3Session>, ExtensibleHandler, CapaCapability {
private List<CapaCapability> caps;
private static final Collection<String> COMMANDS = Collections.unmodifiableCollection(Arrays.asList("CAPA"));
private static final List<String> CAPS = Collections.unmodifiableList(Arrays.asList("PIPELINING"));
/**
* @see
* org.apache.james.protocols.api.handler.CommandHandler
* #onCommand(org.apache.james.protocols.api.ProtocolSession, org.apache.james.protocols.api.Request)
*/
public Response onCommand(POP3Session session, Request request) {
POP3Response response = new POP3Response(POP3Response.OK_RESPONSE, "Capability list follows");
for (int i = 0; i < caps.size(); i++) {
List<String> cList = caps.get(i).getImplementedCapabilities(session);
for (int a = 0; a < cList.size(); a++) {
response.appendLine(cList.get(a));
}
}
response.appendLine(".");
return response;
}
/**
* @see org.apache.james.protocols.api.handler.ExtensibleHandler#getMarkerInterfaces()
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public List<Class<?>> getMarkerInterfaces() {
List<Class<?>> mList = new ArrayList();
mList.add(CapaCapability.class);
return mList;
}
/**
* @see org.apache.james.protocols.api.handler.ExtensibleHandler#wireExtensions(java.lang.Class,
* java.util.List)
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public void wireExtensions(Class interfaceName, List extension) throws WiringException {
if (interfaceName.equals(CapaCapability.class)) {
caps = extension;
}
}
/**
* @see org.apache.james.protocols.api.handler.CommandHandler#getImplCommands()
*/
public Collection<String> getImplCommands() {
return COMMANDS;
}
/**
* @see org.apache.james.pop3server.core.CapaCapability#getImplementedCapabilities(org.apache.james.pop3server.POP3Session)
*/
public List<String> getImplementedCapabilities(POP3Session session) {
return CAPS;
}
}