Coverage Report - org.kuali.student.common.ui.client.configurable.mvc.binding.ModelWidgetBindingSupport
 
Classes in this File Line Coverage Branch Coverage Complexity
ModelWidgetBindingSupport
0%
0/45
0%
0/48
6.4
 
 1   
 /**
 2   
  * Copyright 2010 The Kuali Foundation Licensed under the
 3   
  * Educational Community License, Version 2.0 (the "License"); you may
 4   
  * not use this file except in compliance with the License. You may
 5   
  * obtain a copy of the License at
 6   
  *
 7   
  * http://www.osedu.org/licenses/ECL-2.0
 8   
  *
 9   
  * Unless required by applicable law or agreed to in writing,
 10   
  * software distributed under the License is distributed on an "AS IS"
 11   
  * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 12   
  * or implied. See the License for the specific language governing
 13   
  * permissions and limitations under the License.
 14   
  */
 15   
 
 16   
 package org.kuali.student.common.ui.client.configurable.mvc.binding;
 17   
 
 18   
 import java.util.Iterator;
 19   
 
 20   
 import org.kuali.student.common.assembly.data.Data;
 21   
 import org.kuali.student.common.assembly.data.QueryPath;
 22   
 import org.kuali.student.common.assembly.data.Data.Key;
 23   
 import org.kuali.student.common.assembly.data.Data.Property;
 24   
 import org.kuali.student.common.assembly.data.Data.StringKey;
 25   
 import org.kuali.student.common.ui.client.mvc.DataModel;
 26   
 
 27   
 /**
 28   
  * Exposes common functionality to binding classes.
 29   
  *
 30   
  * @author Kuali Student Team
 31   
  */
 32  0 
 public abstract class ModelWidgetBindingSupport<WidgetType> implements ModelWidgetBinding<WidgetType> {
 33  0 
     public static final StringKey RUNTIME_ROOT = new StringKey("_runtimeData");
 34  0 
     public static final StringKey DIRTY_PATH = new StringKey("dirty");
 35   
 
 36   
     /**
 37   
      * Flags the data at the provided path as dirty
 38   
      *
 39   
      * @param model
 40   
      *            the DataModel containing the dirty data
 41   
      * @param qPath
 42   
      *            the path to the dirty data
 43   
      */
 44   
     protected void setDirtyFlag(DataModel model, QueryPath qPath) {
 45  0 
         QueryPath parent = qPath.subPath(0, qPath.size() - 1);
 46  0 
         QueryPath qPathDirty = new QueryPath();
 47  0 
         qPathDirty.addAll(parent);
 48  0 
         qPathDirty.add(RUNTIME_ROOT);
 49  0 
         qPathDirty.add(DIRTY_PATH);
 50   
 
 51  0 
         ensureDirtyFlagPath(model.getRoot(), qPathDirty);
 52   
 
 53  0 
         Data flags = model.get(qPathDirty);
 54  0 
         flags.set(qPath.get(qPath.size() - 1), Boolean.TRUE);
 55  0 
     }
 56   
 
 57   
     /**
 58   
      * Ensures that the path to the dirty flag exists
 59   
      *
 60   
      * @param root
 61   
      *            the DataModel's root node
 62   
      * @param path
 63   
      *            the path to the dirty flag
 64   
      */
 65   
     protected void ensureDirtyFlagPath(Data root, QueryPath path) {
 66  0 
         Data current = root;
 67  0 
         for (int i = 0; i < path.size(); i++) {
 68  0 
             Key key = path.get(i);
 69  0 
             Data d = current.get(key);
 70  0 
             if (d == null) {
 71  0 
                 d = new Data();
 72  0 
                 current.set(key, d);
 73   
             }
 74  0 
             current = d;
 75   
         }
 76  0 
     }
 77   
 
 78   
     /**
 79   
      * Null checks, then compares parameters
 80   
      *
 81   
      * @return true when either o1 and o2 are null, or when o1.equals(o2) returns true
 82   
      */
 83   
     protected static boolean nullsafeEquals(Object o1, Object o2) {
 84  0 
         return (o1 == null && o2 == null) || (o1 != null && o1.equals(o2));
 85   
     }
 86   
 
 87   
     /**
 88   
      * Performs initial comparison of two data hierarchies, then examines them recursively if necessary
 89   
      *
 90   
      * @return true when all members of the provided hierarchies are equivalent
 91   
      */
 92   
     protected static boolean nullsafeEquals(Data o1, Data o2) {
 93  0 
         if (o1 == null && o2 == null) {
 94  0 
             return true;
 95  0 
         } else if (o1 != null && o2 != null && o1.size() != o2.size()) {
 96  0 
             return false;
 97  0 
         } else if (o1 != null && o2 != null && o1.size() == o2.size()) {
 98  0 
             return deepEquals(o1, o2);
 99   
         } else {
 100  0 
             return false;
 101   
         }
 102   
     }
 103   
 
 104   
     /**
 105   
      * Performs a recursive comparison of the two parameters.
 106   
      *
 107   
      * @return true when all members of the provided hierarchies are equivalent
 108   
      */
 109   
     private static boolean deepEquals(Data o1, Data o2) {
 110  0 
         Iterator<Property> iter = o1.iterator();
 111  0 
         while (iter.hasNext()) {
 112  0 
             Property prop = iter.next();
 113  0 
             Key key = prop.getWrappedKey();
 114  0 
             Object value1 = prop.getValue();
 115  0 
             Object value2 = o2.get(key);
 116   
 
 117  0 
             if (value1 == null ^ value2 == null) {
 118  0 
                 return false;
 119  0 
             } else if (value1 != null && value1 instanceof Data && value2 instanceof Data) {
 120  0 
                 boolean recursiveResult = deepEquals((Data) value1, (Data) value2);
 121  0 
                 if (!recursiveResult) {
 122  0 
                     return false;
 123   
                 }
 124  0 
             } else if (value1 != value2 && !(value1.equals(value2))) {
 125  0 
                 return false;
 126   
             }
 127  0 
         }
 128  0 
         return true;
 129   
     }
 130   
 }
Report generated by Cobertura 1.9.4.1 on 2/10/12 4:44 AM.