IBindingSpecification


1   // Copyright 2004, 2005 The Apache Software Foundation
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 org.apache.tapestry.spec;
16  
17  import org.apache.hivemind.Locatable;
18  import org.apache.hivemind.LocationHolder;
19  
20  /**
21   * Stores a binding specification, which identifies the static value or OGNL expression for the
22   * binding. The name of the binding (which matches a bindable property of the contined component) is
23   * implicitly known.
24   * 
25   * @author glongman@intelligentworks.com
26   */
27  public interface IBindingSpecification extends LocationHolder, Locatable
28  {
29      /**
30       * Returns the type of binding specification; this is generally
31       * {@link org.apache.tapestry.spec.BindingType#PREFIXED}.
32       */
33  
34      public BindingType getType();
35  
36      /**
37       * For a prefixed binding specification (the typical type), the value is a binding reference; a
38       * string used to contruct the actual binding, and consists of a prefix (such as "ognl:" or
39       * "message:") and a locator. The prefix selects a
40       * {@link org.apache.tapestry.binding.BindingFactory}, and the locator is passed to the
41       * factory, which uses it to construct the {@link org.apache.tapestry.IBinding}instance.
42       */
43  
44      public String   getValue();
45  
46      public void setType(BindingType type);
47  
48      public void setValue(String   value);
49  }
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