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1   // Copyright 2008 Thiago H. de Paula Figueiredo
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 br.com.arsmachina.tapestrycrud.encoder;
16  
17  import org.apache.tapestry5.corelib.components.Palette;
18  import org.apache.tapestry5.corelib.components.Select;
19  
20  /**
21   * Interface which defines a single method, {@link #toLabel(Object)}, that returns a
22   * user-presentable description (label) of a given object.
23   * 
24   * @author Thiago H. de Paula Figueiredo
25   * @param <T> the class related to this encoder.
26   */
27  public interface LabelEncoder<T> {
28  
29  	/**
30  	 * Returns a user-presentable description (label) of a given object. It can be used, for
31  	 * example, as the object label in a {@link Select} or {@link Palette}.
32  	 * 
33  	 * @param object a {@link <T>}.
34  	 * @return a {@link String}.
35  	 */
36  	String toLabel(T object);
37  
38  }