/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2007-2015 Broad Institute
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package org.broad.igv.ui;

import java.util.ArrayList;
import java.util.List;

/**
 * Class to hold a collection of messages for display to the user
 *
 * @author jrobinso
 */
public class MessageCollection {

    String header;

    List<String> messages = new ArrayList();


    public void setHeader(String header) {
        this.header = header;
    }

    public String getHeader() {
        return header;
    }

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

    public void prepend(String message) {
        messages.add(0, message);
    }

    public List<String> getMessages() {
        return messages;
    }

    public boolean isEmpty() {
        return messages.isEmpty();
    }

    public String getFormattedMessage() {
        StringBuffer buffer = new StringBuffer(80 * messages.size());

        for (String msg : messages) {
            buffer.append(msg);
            buffer.append("\n");
        }

        return buffer.toString();
    }
}