]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/range/FieldAccessorWithDefault.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.objmap2 / src / org / simantics / objmap / graph / rules / range / FieldAccessorWithDefault.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2013 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.objmap.graph.rules.range;
13
14 import java.lang.reflect.Field;
15
16 import org.simantics.objmap.exceptions.MappingException;
17
18
19 /**
20  * Accesses the given field of the element.
21  * @author Hannu Niemist�
22  */
23 public class FieldAccessorWithDefault<Range,T> extends FieldAccessor<Range,T> {
24     
25         T defaultValue;
26
27         public FieldAccessorWithDefault(Field field, T defaultValue) {
28         super(field);
29         this.defaultValue = defaultValue;
30     }
31
32     @Override
33         public T get(Range element) throws MappingException {
34                 T value = super.get(element);
35                 if(value == null)
36                     return defaultValue;
37                 else
38                     return value;
39         }
40 }