1 /*
2 * Copyright 2012-2013 smartics, Kronseder & Reiner GmbH
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 de.smartics.properties.spi.core.context;
17
18 import org.apache.commons.lang.builder.ToStringBuilder;
19
20 import de.smartics.properties.api.core.domain.PropertiesContext;
21 import de.smartics.properties.api.core.domain.PropertyContext;
22 import de.smartics.properties.api.core.domain.PropertyDescriptor;
23
24 /**
25 * A proxy to provide property context instances.
26 */
27 public final class PropertyContextProxy implements PropertyContextProvider
28 {
29 // ********************************* Fields *********************************
30
31 // --- constants ------------------------------------------------------------
32
33 /**
34 * The class version identifier.
35 */
36 private static final long serialVersionUID = 1L;
37
38 // --- members --------------------------------------------------------------
39
40 /**
41 * The properties context to fetch information from the META-INF folder.
42 *
43 * @serial
44 */
45 private final PropertiesContext context;
46
47 // ****************************** Initializer *******************************
48
49 // ****************************** Constructors ******************************
50
51 /**
52 * Default constructor.
53 *
54 * @param context the properties context to fetch information from the
55 * META-INF folder. May be <code>null</code>.
56 */
57 public PropertyContextProxy(final PropertiesContext context)
58 {
59 this.context =
60 (context != null ? context : new PropertiesContext.Builder().build());
61 }
62
63 // ****************************** Inner Classes *****************************
64
65 // ********************************* Methods ********************************
66
67 // --- init -----------------------------------------------------------------
68
69 // --- get&set --------------------------------------------------------------
70
71 // --- business -------------------------------------------------------------
72
73 @Override
74 public PropertyContext getPropertyContext(
75 final PropertyDescriptor propertyDescriptor) throws NullPointerException
76 {
77 return new MandatoryPropertyContext(context, propertyDescriptor);
78 }
79
80 // --- object basics --------------------------------------------------------
81
82 /**
83 * Returns the string representation of the object.
84 *
85 * @return the string representation of the object.
86 */
87 @Override
88 public String toString()
89 {
90 return ToStringBuilder.reflectionToString(this);
91 }
92 }