package com.silvermindsoftware.hitch;
   
   /**
    * Copyright 2007 Brandon Goodin
    *
    * 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.
   */
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @svnLink $Revision: 3874 $;$Date: 2009-08-04 14:25:40 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/swing/src/main/java/com/silvermindsoftware/hitch/ErrorContext.java $
   */
  public class ErrorContext {
  
  	private static class ThreadLocalList extends ThreadLocal {
  		public Object initialValue() {
  			return new ArrayList<String>();
  		}
  
  		public List<String> getList() {
  			return (List<String>) super.get();
  		}
  	}
  
  	private static ThreadLocalList list = new ThreadLocalList();
  	private static String[] stringArray = new String[0];
  
  	public static void clear() {
  		list.getList().clear();
  	}
  
  	public static void put(String text) {
  		list.getList().add(text);
  	}
  
  	public static void removeLast() {
  		list.getList().remove(list.getList().size()-1);
  	}
  
  	public static String[] get() {
  		return (String[])list.getList().toArray(stringArray);
  	}
  
  	public static String getAsString() {
  		StringBuilder sb = new StringBuilder();
  		for(String error : list.getList()) {
  			sb.append(error).append('\n');
  		}
  		return sb.toString();
  	}
  
  }