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1   package org.codehaus.plexus.interpolation.fixed;
2   
3   /*
4    * Copyright 2014 The Codehaus Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  import java.util.List;
20  
21  /**
22   * Wraps an arbitrary object with an {@link org.codehaus.plexus.interpolation.fixed.ObjectBasedValueSource} instance, then
23   * wraps that source with a {@link org.codehaus.plexus.interpolation.fixed.PrefixedValueSourceWrapper} instance, to which
24   * this class delegates all of its calls.
25   */
26  public class PrefixedObjectValueSource extends AbstractDelegatingValueSource {
27  
28      /**
29       * Wrap the specified root object, allowing the specified expression prefix.
30       * @param prefix the prefix.
31       * @param root The root of the graph.
32       */
33      public PrefixedObjectValueSource(String prefix, Object root) {
34          super(new PrefixedValueSourceWrapper(new ObjectBasedValueSource(root), prefix));
35      }
36  
37      /**
38       * Wrap the specified root object, allowing the specified list of expression
39       * prefixes and setting whether the {@link org.codehaus.plexus.interpolation.PrefixedValueSourceWrapper} allows
40       * unprefixed expressions.
41       * @param possiblePrefixes The list of possible prefixed.
42       * @param root The root of the graph.
43       * @param allowUnprefixedExpressions allow unrefixed expressions or not.
44       */
45      public PrefixedObjectValueSource(List<String> possiblePrefixes, Object root, boolean allowUnprefixedExpressions) {
46          super(new PrefixedValueSourceWrapper(
47                  new ObjectBasedValueSource(root), possiblePrefixes, allowUnprefixedExpressions));
48      }
49  }