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1   /*
2    * Copyright 2004 Ronald Blaschke.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.rblasch.convert.converters;
17  
18  import org.rblasch.convert.ConverterFactory;
19  import org.rblasch.convert.ConverterLookup;
20  import org.rblasch.convert.MetaConverter;
21  import org.rblasch.convert.NoSuchConversionException;
22  import org.rblasch.convert.type.Type;
23  
24  /***
25   * @author Ronald Blaschke
26   */
27  public abstract class AbstractConverterFactory implements ConverterFactory {
28      ConverterLookup lookup;
29      public void setLookup(final ConverterLookup lookup) {
30          this.lookup = lookup;
31      }
32  
33      protected MetaConverter lookup(final Type sourceType, final Type destinationType) {
34          return lookup.lookup(sourceType, destinationType);
35      }
36  
37      protected boolean can(final Type sourceType, final Type destinationType) {
38          try {
39              lookup.lookup(sourceType, destinationType);
40              return true;
41          } catch (final NoSuchConversionException ex) {
42              return false;
43          }
44      }
45  }