ProcessMessages.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.turro.elephant.impl.util;
 
import java.util.ArrayList;
 
public class ProcessMessages {
  
  private static ProcessMessages procMsgs = null;
  private ArrayList<String> msgs = new ArrayList<>();
  
  public static ProcessMessages getInstance() {
    if(procMsgs == null) {
      procMsgs = new ProcessMessages();
    }
    return procMsgs;
  }
  
  public void clear() {
    msgs.clear();
  }
  
  public boolean getHasMessages() {
    return !msgs.isEmpty();
  }
  
  public void addError(String message) {
    msgs.add("<span class=\"m_error\">" + message + "</span>");
  }
  
  public void addMessage(String message) {
    msgs.add(message);
  }
  
  public String getMessageStr() {
    StringBuilder sb = new StringBuilder();
    for(String s : msgs) {
      sb.append(s);
      sb.append("<br/>");
    }
    return sb.toString();
  }
}