/*
    * Copyright 2007-2009 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.rice.kew.exception;
  
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Iterator;
  import java.util.List;
  
  import org.kuali.rice.krad.util.MessageMap;
  
  
  
  /**
   * <p>Title: DocElementError </p>
   * <p>Description: A simple object holding any error(s) generated by
   * an IDocElement and it's children IDocElements.  See IDocElement
   * documentation for further explanation.</p>
   * <p>Copyright: Copyright (c) 2002</p>
   * <p>Company: Indiana University</p>
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class WorkflowServiceErrorImpl implements Serializable, WorkflowServiceError {
  
  	private static final String CHILDREN_IN_ERROR = "-1";
  
    static final long serialVersionUID = 6900090941686297017L;
    private Collection children;
    private String type;
    private String message;
    private String arg1;
    private String arg2;
    
    /**
     * Passing the actual message map around so we don't lose doc search messages in standalone.
     */
    private MessageMap messageMap;
  
  
  
    private WorkflowServiceErrorImpl() {
    }
  
    public WorkflowServiceErrorImpl(String message, String type) {
      children = new ArrayList();
      this.message = message;
      this.type = type;
    }
  
    public WorkflowServiceErrorImpl(String message, String type, String arg1) {
        children = new ArrayList();
        this.message = message;
        this.type = type;
        this.arg1 = arg1;
    }
  
    public WorkflowServiceErrorImpl(String message, String type, String arg1, String arg2) {
        children = new ArrayList();
        this.message = message;
        this.type = type;
        this.arg1 = arg1;
        this.arg2 = arg2;
    }
    public WorkflowServiceErrorImpl(String message, String type, String arg1, String arg2, MessageMap messageMap) {
        children = new ArrayList();
        this.message = message;
        this.type = type;
        this.arg1 = arg1;
        this.arg2 = arg2;
        this.messageMap = messageMap;
    }
  
    public Collection getChildren() {
      return this.children;
    }
  
    public String getMessage() {
      return this.message;
    }
  
    public String getKey() {
      return this.type;
    }
  
    public String getArg1() {
     return arg1;
   }
 
   public String getArg2() {
     return arg2;
   }
 
   public void addChild(WorkflowServiceError busError) {
     if (busError != null) {
       children.add(busError);
     }
   }
 
   public void addChildren(Collection children) {
     this.children.addAll(children);
   }
 
   public Collection getFlatChildrenList() {
     return buildFlatChildrenList(this, null);
   }
 
   private static Collection buildFlatChildrenList(WorkflowServiceError error, List flatList) {
     if (flatList == null) {
       flatList = new ArrayList();
     }
 
     if (error.getKey() != CHILDREN_IN_ERROR) {
       flatList.add(error);
     }
 
     Iterator iter = error.getChildren().iterator();
 
     while (iter.hasNext()) {
       WorkflowServiceError childError = (WorkflowServiceError) iter.next();
       buildFlatChildrenList(childError, flatList);
     }
 
     return flatList;
   }
 
   public String toString() {
     String s = "[WorkflowServiceErrorImpl: type=" + type + ", message=" + message + ", arg1=" + arg1 + ", arg2=" + arg2 + ", children=";
     if (children == null) {
         s += "null";
     } else {
         s += children;
     }
     s += "]";
     return s;
   }
 
   /**
    * @return the messageMap
    */
   public MessageMap getMessageMap() {
   	return this.messageMap;
   }
 
   /**
    * @param messageMap the messageMap to set
    */
   public void setMessageMap(MessageMap messageMap) {
   	this.messageMap = messageMap;
   }
 }