/*

  * 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;

   }

 }