com.bigtester.ate.tcg.chat.InMemoryChatRepository.java Source code

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Here is the source code for com.bigtester.ate.tcg.chat.InMemoryChatRepository.java

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/*
 * Copyright 2002-2012 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 com.bigtester.ate.tcg.chat;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

import org.eclipse.jdt.annotation.Nullable;
import org.springframework.stereotype.Repository;
import org.springframework.util.Assert;

@Repository
public class InMemoryChatRepository implements ChatRepository {

    private final List<String> messages = new CopyOnWriteArrayList<String>();

    public List<String> getMessages(int index) {
        if (this.messages.isEmpty()) {
            List<String> temp = Collections.<String>emptyList();
            if (null == temp)
                temp = new ArrayList<String>();
            return temp;
        }
        Assert.isTrue((index >= 0) && (index <= this.messages.size()), "Invalid message index");

        return new ArrayList<String>(); //this.messages.subList(index, this.messages.size());
    }

    public void addMessage(String message) {
        this.messages.add(message);
    }

}