Coverage Report - net.sf.beanform.util.TapestryCompat
 
Classes in this File Line Coverage Branch Coverage Complexity
TapestryCompat
85% 
100% 
2.25
 
 1  
 // Copyright 2006 Daniel Gredler
 2  
 //
 3  
 // Licensed under the Apache License, Version 2.0 (the "License");
 4  
 // you may not use this file except in compliance with the License.
 5  
 // You may obtain a copy of the License at
 6  
 //
 7  
 //     http://www.apache.org/licenses/LICENSE-2.0
 8  
 //
 9  
 // Unless required by applicable law or agreed to in writing, software
 10  
 // distributed under the License is distributed on an "AS IS" BASIS,
 11  
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12  
 // See the License for the specific language governing permissions and
 13  
 // limitations under the License.
 14  
 
 15  
 package net.sf.beanform.util;
 16  
 
 17  
 /**
 18  
  * Utility class that can determine the version of Tapestry being used in the current
 19  
  * runtime environment, providing version-specific data to the rest of the library.
 20  
  *
 21  
  * @author Daniel Gredler
 22  
  */
 23  
 public final class TapestryCompat {
 24  
 
 25  1
     private final static boolean IS_TAPESTRY_41 = isTapestry41();
 26  
 
 27  
     final static String TAPESTRY_41_CANCEL_JS = "tapestry.form.cancel(this.form)";
 28  
     final static String TAPESTRY_40_CANCEL_JS = "this.form.events.cancel()";
 29  
 
 30  
     final static String TAPESTRY_41_REFRESH_JS = "tapestry.form.refresh(this.form)";
 31  
     final static String TAPESTRY_40_REFRESH_JS = "this.form.events.refresh()";
 32  
 
 33  1
     TapestryCompat() {
 34  
         // Empty.
 35  1
     }
 36  
 
 37  
     public static String getCancelJavaScript() {
 38  3
         if( IS_TAPESTRY_41 ) return TAPESTRY_41_CANCEL_JS;
 39  3
         else return TAPESTRY_40_CANCEL_JS;
 40  
     }
 41  
 
 42  
     public static String getRefreshJavaScript() {
 43  3
         if( IS_TAPESTRY_41 ) return TAPESTRY_41_REFRESH_JS;
 44  3
         else return TAPESTRY_40_REFRESH_JS;
 45  
     }
 46  
 
 47  
     private static boolean isTapestry41() {
 48  
         boolean isTapestry41;
 49  
         try {
 50  1
             Class.forName( "org.apache.tapestry.IJSONRender" );
 51  0
             isTapestry41 = true;
 52  
         }
 53  1
         catch( Throwable t ) {
 54  1
             isTapestry41 = false;
 55  0
         }
 56  1
         return isTapestry41;
 57  
     }
 58  
 
 59  
 }