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.api.config.domain;
17
18 import java.io.Serializable;
19 import java.util.ArrayList;
20 import java.util.Collections;
21 import java.util.List;
22
23 import javax.annotation.concurrent.NotThreadSafe;
24
25
26 /**
27 * The set of unknown properties.
28 */
29 @NotThreadSafe
30 public final class UnknownProperties implements Serializable
31 {
32 // ********************************* Fields *********************************
33
34 // --- constants ------------------------------------------------------------
35
36 /**
37 * The class version identifier.
38 */
39 private static final long serialVersionUID = 1L;
40
41 // --- members --------------------------------------------------------------
42
43 /**
44 * The list of unknown properties.
45 *
46 * @serial
47 */
48 private final List<Property> properties =
49 new ArrayList<Property>();
50
51 // ****************************** Initializer *******************************
52
53 // ****************************** Constructors ******************************
54
55 /**
56 * Default constructor.
57 */
58 public UnknownProperties()
59 {
60 }
61
62 // ****************************** Inner Classes *****************************
63
64 // ********************************* Methods ********************************
65
66 // --- init -----------------------------------------------------------------
67
68 // --- get&set --------------------------------------------------------------
69
70 // --- business -------------------------------------------------------------
71
72 /**
73 * Adds the unknown properties to the list.
74 *
75 * @param property the property to add.
76 */
77 public void add(final Property property)
78 {
79 properties.add(property);
80 }
81
82 /**
83 * Returns a reference to the list on unknown properties.
84 *
85 * @return a reference to the list on unknown properties.
86 */
87 public List<Property> getProperties()
88 {
89 return Collections.unmodifiableList(properties);
90 }
91
92 /**
93 * Checks if the container contains at least one property.
94 *
95 * @return <code>true</code> if there is no property, <code>false</code>
96 * otherwise.
97 */
98 public boolean isEmpty()
99 {
100 return properties.isEmpty();
101 }
102
103 // --- object basics --------------------------------------------------------
104
105 /**
106 * Returns the string representation of the object.
107 *
108 * @return the string representation of the object.
109 */
110 @Override
111 public String toString()
112 {
113 final StringBuilder buffer = new StringBuilder();
114
115 for (final Property property : properties)
116 {
117 buffer.append(property).append(' ');
118 }
119
120 return buffer.toString();
121 }
122 }