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Package: ShortNames
ShortNames
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| shortName(Class) |
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| shortName(Class, boolean) |
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| shortNames(Iterable) |
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Coverage
1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2024 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.util;
27:
28: import java.lang.reflect.InvocationTargetException;
29: import javax.annotation.Nonnull;
30: import javax.annotation.Nullable;
31: import java.util.Arrays;
32: import java.util.List;
33: import lombok.extern.slf4j.Slf4j;
34: import static java.util.stream.Collectors.*;
35:
36: /***************************************************************************************************************************************************************
37: *
38: * A utility that returns short qualified names for class literals and objects.
39: *
40: * @author Fabrizio Giudici
41: * @since 3.2-ALPHA-17
42: *
43: **************************************************************************************************************************************************************/
44: @Slf4j
45: public class ShortNames
46: {
47: /***********************************************************************************************************************************************************
48: * Returns the short name for a class literal.
49: *
50: * @param clazz the class
51: * @return the short name
52: **********************************************************************************************************************************************************/
53: @Nonnull
54: public static String shortName (@Nonnull final Class<?> clazz)
55: {
56: return shortName(clazz, false);
57: }
58:
59: /***********************************************************************************************************************************************************
60: * Returns the short name for a class literal, eventually adding interface names (but not those in the java.*
61: * package).
62: *
63: * @param clazz the class
64: * @param withInterfaces whether the interfaces must be listed
65: * @return the short name
66: **********************************************************************************************************************************************************/
67: @Nonnull
68: public static String shortName (@Nonnull final Class<?> clazz, final boolean withInterfaces)
69: {
70: var className = clazz.getName();
71: var prefix = "";
72:
73:• if (className.contains("EnhancerByMockito"))
74: {
75: prefix = "mock-of-";
76: className = className.replaceAll("\\$\\$EnhancerByMockito.*", "");
77: }
78:
79: final var parts = className.split("\\.");
80: final var s = new StringBuilder();
81:
82:• for (var i = 0; i < parts.length; i++)
83: {
84:• s.append((i < parts.length - 1) ? parts[i].charAt(0) + "." : parts[i]);
85: }
86:
87:• if (withInterfaces)
88: {
89: final var interfaces = clazz.getInterfaces();
90:
91:• if (interfaces.length > 0)
92: {
93: s.append(Arrays.stream(interfaces)
94:• .filter(i -> !i.getPackage().getName().startsWith("java"))
95: .map(ShortNames::shortName).collect(joining(", ", "{", "}")));
96: }
97: }
98:
99: return prefix + s;
100: }
101:
102: /***********************************************************************************************************************************************************
103: * Returns the short name for class literals, eventually adding interface names (but not those in the java.*
104: * package).
105: *
106: * @param classes the classes
107: * @return the short names
108: **********************************************************************************************************************************************************/
109: @Nonnull
110: public static String shortNames (@Nonnull final Iterable<Class<?>> classes)
111: {
112: final var result = new StringBuilder();
113: var separator = "";
114:
115:• for (final var clazz : classes)
116: {
117: result.append(separator).append(shortName(clazz));
118: separator = ", ";
119: }
120:
121: return "[" + result + "]";
122: }
123:
124: /***********************************************************************************************************************************************************
125: * Return the short name for an object. If the object contains a method named {@code getId()}, the id is part of
126: * the result.
127: *
128: * @param object the object
129: * @return the short name
130: **********************************************************************************************************************************************************/
131: @Nonnull
132: public static String shortId (@Nullable final Object object)
133: {
134:• if (object == null)
135: {
136: return "null";
137: }
138:
139: final var s = new StringBuilder();
140: s.append(String.format("%s@%x", shortName(object.getClass()), System.identityHashCode(object)));
141:
142: try
143: {
144: final var id = object.getClass().getMethod("getId").invoke(object);
145:• s.append("/").append(id != null ? id.toString() : "null");
146: }
147: catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ignored)
148: {
149: // log.trace("While invoking 'getId(): {}", e.toString());
150: }
151:
152: return s.toString();
153: }
154:
155: /***********************************************************************************************************************************************************
156: * Return the short names for some objects.
157: *
158: * @param objects the objects
159: * @return the short names
160: **********************************************************************************************************************************************************/
161: @Nonnull
162: public static String shortIds (@Nonnull final Iterable<?> objects)
163: {
164: final var result = new StringBuilder();
165: var separator = "";
166:
167:• for (final var object : objects)
168: {
169: result.append(separator).append(shortId(object));
170: separator = ", ";
171: }
172:
173: return "[" + result + "]";
174: }
175:
176: /***********************************************************************************************************************************************************
177: * Return the short names for some objects.
178: *
179: * @param objects the objects
180: * @return the short names
181: **********************************************************************************************************************************************************/
182: @Nonnull
183: public static String shortIds (@Nonnull final Object... objects)
184: {
185: return shortIds(List.of(objects));
186: }
187: }