/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.ftpserver.ftpletcontainer.impl;
import java.io.IOException;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.ftpserver.ftplet.FtpException;
import org.apache.ftpserver.ftplet.FtpReply;
import org.apache.ftpserver.ftplet.FtpRequest;
import org.apache.ftpserver.ftplet.FtpSession;
import org.apache.ftpserver.ftplet.Ftplet;
import org.apache.ftpserver.ftplet.FtpletContext;
import org.apache.ftpserver.ftplet.FtpletResult;
import org.apache.ftpserver.ftpletcontainer.FtpletContainer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <strong>Internal class, do not use directly.</strong>
*
* This ftplet calls other ftplet methods and returns appropriate return value.
*
* <strong><strong>Internal class, do not use directly.</strong></strong>
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
public class DefaultFtpletContainer implements FtpletContainer {
private final Logger LOG = LoggerFactory
.getLogger(DefaultFtpletContainer.class);
private final Map<String, Ftplet> ftplets ;
public DefaultFtpletContainer() {
this(new ConcurrentHashMap<String, Ftplet>());
}
public DefaultFtpletContainer(Map<String, Ftplet> ftplets) {
this.ftplets = ftplets;
}
/**
* Get Ftplet for the given name.
*/
public synchronized Ftplet getFtplet(String name) {
if (name == null) {
return null;
}
return ftplets.get(name);
}
public synchronized void init(FtpletContext ftpletContext) throws FtpException {
for (Entry<String, Ftplet> entry : ftplets.entrySet()) {
entry.getValue().init(ftpletContext);
}
}
/**
* @see FtpletContainer#getFtplets()
*/
public synchronized Map<String, Ftplet> getFtplets() {
return ftplets;
}
/**
* Destroy all ftplets.
*/
public void destroy() {
for (Entry<String, Ftplet> entry : ftplets.entrySet()) {
try {
entry.getValue().destroy();
} catch (Exception ex) {
LOG.error(entry.getKey() + " :: FtpletHandler.destroy()", ex);
}
}
}
/**
* Call ftplet onConnect.
*/
public FtpletResult onConnect(FtpSession session) throws FtpException,
IOException {
FtpletResult retVal = FtpletResult.DEFAULT;
for (Entry<String, Ftplet> entry : ftplets.entrySet()) {
retVal = entry.getValue().onConnect(session);
if (retVal == null) {
retVal = FtpletResult.DEFAULT;
}
// proceed only if the return value is FtpletResult.DEFAULT
if (retVal != FtpletResult.DEFAULT) {
break;
}
}
return retVal;
}
/**
* Call ftplet onDisconnect.
*/
public FtpletResult onDisconnect(FtpSession session) throws FtpException,
IOException {
FtpletResult retVal = FtpletResult.DEFAULT;
for (Entry<String, Ftplet> entry : ftplets.entrySet()) {
retVal = entry.getValue().onDisconnect(session);
if (retVal == null) {
retVal = FtpletResult.DEFAULT;
}
// proceed only if the return value is FtpletResult.DEFAULT
if (retVal != FtpletResult.DEFAULT) {
break;
}
}
return retVal;
}
public FtpletResult afterCommand(FtpSession session, FtpRequest request, FtpReply reply)
throws FtpException, IOException {
FtpletResult retVal = FtpletResult.DEFAULT;
for (Entry<String, Ftplet> entry : ftplets.entrySet()) {
retVal = entry.getValue().afterCommand(session, request, reply);
if (retVal == null) {
retVal = FtpletResult.DEFAULT;
}
// proceed only if the return value is FtpletResult.DEFAULT
if (retVal != FtpletResult.DEFAULT) {
break;
}
}
return retVal;
}
public FtpletResult beforeCommand(FtpSession session, FtpRequest request)
throws FtpException, IOException {
FtpletResult retVal = FtpletResult.DEFAULT;
for (Entry<String, Ftplet> entry : ftplets.entrySet()) {
retVal = entry.getValue().beforeCommand(session, request);
if (retVal == null) {
retVal = FtpletResult.DEFAULT;
}
// proceed only if the return value is FtpletResult.DEFAULT
if (retVal != FtpletResult.DEFAULT) {
break;
}
}
return retVal;
}
}