/*
 * Copyright (c) 2007-2010 by The Broad Institute, Inc. and the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * This software is licensed under the terms of the GNU Lesser General Public License (LGPL), Version 2.1 which
 * is available at http://www.opensource.org/licenses/lgpl-2.1.php.
 *
 * THE SOFTWARE IS PROVIDED "AS IS." THE BROAD AND MIT MAKE NO REPRESENTATIONS OR WARRANTIES OF
 * ANY KIND CONCERNING THE SOFTWARE, EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT
 * OR OTHER DEFECTS, WHETHER OR NOT DISCOVERABLE.  IN NO EVENT SHALL THE BROAD OR MIT, OR THEIR
 * RESPECTIVE TRUSTEES, DIRECTORS, OFFICERS, EMPLOYEES, AND AFFILIATES BE LIABLE FOR ANY DAMAGES OF
 * ANY KIND, INCLUDING, WITHOUT LIMITATION, INCIDENTAL OR CONSEQUENTIAL DAMAGES, ECONOMIC
 * DAMAGES OR INJURY TO PROPERTY AND LOST PROFITS, REGARDLESS OF WHETHER THE BROAD OR MIT SHALL
 * BE ADVISED, SHALL HAVE OTHER REASON TO KNOW, OR IN FACT SHALL KNOW OF THE POSSIBILITY OF THE
 * FOREGOING.
 */

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();
    }
}
