/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * 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.

  */

 package org.seasar.teeda.core.application.navigation;

 import java.util.ArrayList;

 import java.util.Iterator;

 import java.util.List;

 /**

  * @author shot

  */

 public class NavigationContext {

     protected static final String WILDCARD = "*";

     private String fromViewId_ = WILDCARD;

     private boolean isWildCardMatch_ = false;

     private List navigationCases_ = new ArrayList();

     public NavigationContext() {

     }

     public void setFromViewId(String fromViewId) {

         fromViewId_ = fromViewId;

     }

     public void addNavigationCaseContext(

             NavigationCaseContext navigationCaseContext) {

         if (navigationCaseContext != null) {

             navigationCases_.add(navigationCaseContext);

         }

         if (fromViewId_ != null) {

             isWildCardMatch_ = fromViewId_.endsWith(WILDCARD);

         }

     }

     public String getFromViewId() {

         return fromViewId_;

     }

     public List getNavigationCases() {

         return navigationCases_;

     }

     public NavigationCaseContext getNavigationCase(String fromAction,

             String outCome) {

         for (Iterator itr = getNavigationCases().iterator(); itr.hasNext();) {

             NavigationCaseContext caseContext = (NavigationCaseContext) itr

                     .next();

             String from = caseContext.getFromAction();

             String out = caseContext.getFromOutcome();

             if ((from == null || from.equals(fromAction))

                     && (out == null || out.equals(outCome))) {

                 return caseContext;

             }

         }

         return null;

     }

     public boolean isWildCardMatch() {

         return isWildCardMatch_;

     }

     public String toString() {

         StringBuffer buf = new StringBuffer();

         buf.append("navigation-rule = ");

         buf.append("[");

         buf.append("from-view-id = \"" + fromViewId_ + "\"");

         buf.append(" ");

         for (Iterator itr = navigationCases_.iterator(); itr.hasNext();) {

             buf.append(itr.next());

         }

         buf.append("]");

         return buf.toString();

     }

 }