/*
 * Copyright 2007 the original author or authors.
 * 
 * Licensed 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.mockftpserver.stub.command;

import org.apache.log4j.Logger;
import org.mockftpserver.core.command.Command;
import org.mockftpserver.core.command.CommandHandler;
import org.mockftpserver.core.command.InvocationRecord;
import org.mockftpserver.core.session.Session;

/**
 * CommandHandler for the STOR (Store) command. Send back two replies on the control connection: a 
 * reply code of 150 and another of 226. 
 * <p>
 * Each invocation record stored by this CommandHandler includes the following data element key/values:
 * <ul>
 *    <li>{@link #PATHNAME_KEY} ("pathname") - the pathname of the directory submitted on the invocation (the first command parameter)
 *    <li>{@link #FILE_CONTENTS_KEY} ("fileContents") - the file contents (<code>byte[]</code>) sent on the data connection
 * </ul>
 *
 * @version $Revision$ - $Date$
 * 
 * @author Chris Mair
 */
public final class StorCommandHandler extends AbstractStubDataCommandHandler implements CommandHandler {

    public static final String PATHNAME_KEY = "pathname";
    public static final String FILE_CONTENTS_KEY = "filecontents";

    private static final Logger LOG = Logger.getLogger(StorCommandHandler.class);
    
    /**
     * @see org.mockftpserver.stub.command.AbstractStubDataCommandHandler#beforeProcessData(org.mockftpserver.core.command.Command, org.mockftpserver.core.session.Session, org.mockftpserver.core.command.InvocationRecord)
     */
    protected void beforeProcessData(Command command, Session session, InvocationRecord invocationRecord) throws Exception {
        String filename = command.getRequiredString(0);
        invocationRecord.set(PATHNAME_KEY, filename);
    }
    
    /**
     * @see org.mockftpserver.stub.command.AbstractStubDataCommandHandler#processData(org.mockftpserver.core.command.Command, org.mockftpserver.core.session.Session, org.mockftpserver.core.command.InvocationRecord)
     */
    protected void processData(Command command, Session session, InvocationRecord invocationRecord) {
        byte[] data = session.readData();
        LOG.info("Received " + data.length + " bytes");
        LOG.trace("Received data [" + new String(data) + "]");
        invocationRecord.set(FILE_CONTENTS_KEY, data);
    }

}