3229

Committed 16 Feb 2026 12:25AM UTC coverage: 87.5% (-0.4%) from 87.852%

Build # 3229

Build Type

push

github

Committed by

hazendaz

Commit Message

[gha] Update coverity

Coverage Stats

285 of 331 branches covered (86.1%)

525 of 600 relevant lines covered (87.5%)

0.88 hits per line

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84.62

/src/main/java/com/codebox/bean/JavaBeanTester.java

/*
 * SPDX-License-Identifier: Apache-2.0
 * See LICENSE file for details.
 *
 * Copyright 2012-2026 hazendaz
 *
 * Portions of initial baseline code (getter/setter test) by Rob Dawson (CodeBox)
 */
package com.codebox.bean;

import com.codebox.util.LombokBuilderUtil;

import java.lang.reflect.Modifier;

import net.bytebuddy.ByteBuddy;
import net.bytebuddy.NamingStrategy;
import net.bytebuddy.description.NamedElement;
import net.bytebuddy.description.modifier.Visibility;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
import net.bytebuddy.implementation.HashCodeMethod;
import net.bytebuddy.implementation.MethodDelegation;
import net.bytebuddy.implementation.ToStringMethod;
import net.bytebuddy.implementation.bind.annotation.Argument;
import net.bytebuddy.implementation.bind.annotation.This;
import net.bytebuddy.matcher.ElementMatchers;

/**
 * This helper class can be used to unit test the get/set/equals/canEqual/toString/hashCode methods of JavaBean-style
 * Value Objects.
 */
public enum JavaBeanTester {

    // Private Usage
    ;

    /**
     * Configure JavaBeanTester using Fluent API.
     *
     * @param <T>
     *            the generic type
     * @param clazz
     *            the clazz
     *
     * @return A builder implementing the fluent API to configure JavaBeanTester
     */
    public static <T> JavaBeanTesterBuilder<T, ?> builder(final Class<T> clazz) {
        // If class is final, use Object.class for comparison needs
        if (Modifier.isFinal(clazz.getModifiers())) {
            return new JavaBeanTesterBuilder<>(clazz, Object.class);
        }

        // Lombok builder not supported by byte buddy, do not attempt to build extension class
        if (LombokBuilderUtil.getLombokBuilderMethod(clazz) != null) {
            return builder(clazz, null);
        }

        // Build extension from class using byte buddy
        Class<? extends T> loaded = new ByteBuddy().with(new NamingStrategy.AbstractBase() {
            @Override
            protected String name(TypeDescription superClass) {
                return clazz.getPackageName() + ".ByteBuddyExt" + superClass.getSimpleName();
            }
        }).subclass(clazz).method(ElementMatchers.isEquals())
                .intercept(MethodDelegation.to(InstanceOfEqualsInterceptor.class)).method(ElementMatchers.isHashCode())
                .intercept(HashCodeMethod.usingSuperClassOffset()).method(ElementMatchers.isToString())
                .intercept(ToStringMethod.prefixedBySimpleClassName()).method(ElementMatchers.named("canEqual"))
                .intercept(MethodDelegation.to(CanEqualInterceptor.class))
                .defineField("javabeanExtension", String.class, Visibility.PACKAGE_PRIVATE).make()
                .load(clazz.getClassLoader(), ClassLoadingStrategy.Default.WRAPPER).getLoaded();

        // Builder with proper extension class
        return builder(clazz, loaded);
    }

    /**
     * Configure JavaBeanTester using Fluent API.
     *
     * @param <T>
     *            the generic type
     * @param <E>
     *            the element type
     * @param clazz
     *            the clazz
     * @param extension
     *            the extension
     *
     * @return A builder implementing the fluent API to configure JavaBeanTester
     */
    public static <T, E> JavaBeanTesterBuilder<T, E> builder(final Class<T> clazz, final Class<E> extension) {
        return new JavaBeanTesterBuilder<>(clazz, extension);
    }

    /**
     * The Class CanEqualInterceptor.
     */
    public final static class CanEqualInterceptor {

        /**
         * Prevents instantiation a new can equal interceptor.
         */
        CanEqualInterceptor() {
            // Private constructor to prevent instantiation
        }

        /**
         * Can Equal Interceptor.
         *
         * @param object
         *            The object to check can equals
         * @return boolean of can equals
         */
        public static boolean canEqual(final Object object) {
            return object instanceof NamedElement.WithRuntimeName;
        }

    }

    /**
     * The Class InstanceOfEqualsInterceptor.
     */
    public final static class InstanceOfEqualsInterceptor {

        /**
         * Prevents instantiation a new instance of equals interceptor.
         */
        InstanceOfEqualsInterceptor() {
            // Private constructor to prevent instantiation
        }

        /**
         * Equals.
         *
         * @param self
         *            the self
         * @param other
         *            the other
         * @return true, if successful
         */
        public static boolean equals(@This Object self, @Argument(0) Object other) {
            if (self == other) {
                return true;
            }
            if ((other == null) || (!self.getClass().isInstance(other) && !other.getClass().isInstance(self))) {
                return false;
            }
            return self.hashCode() == other.hashCode();
        }
    }

}

1	/*
2	* SPDX-License-Identifier: Apache-2.0
3	* See LICENSE file for details.
4	*
5	* Copyright 2012-2026 hazendaz
6	*
7	* Portions of initial baseline code (getter/setter test) by Rob Dawson (CodeBox)
8	*/
9	package com.codebox.bean;
10
11	import com.codebox.util.LombokBuilderUtil;
12
13	import java.lang.reflect.Modifier;
14
15	import net.bytebuddy.ByteBuddy;
16	import net.bytebuddy.NamingStrategy;
17	import net.bytebuddy.description.NamedElement;
18	import net.bytebuddy.description.modifier.Visibility;
19	import net.bytebuddy.description.type.TypeDescription;
20	import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
21	import net.bytebuddy.implementation.HashCodeMethod;
22	import net.bytebuddy.implementation.MethodDelegation;
23	import net.bytebuddy.implementation.ToStringMethod;
24	import net.bytebuddy.implementation.bind.annotation.Argument;
25	import net.bytebuddy.implementation.bind.annotation.This;
26	import net.bytebuddy.matcher.ElementMatchers;
27
28	/**
29	* This helper class can be used to unit test the get/set/equals/canEqual/toString/hashCode methods of JavaBean-style
30	* Value Objects.
31	*/
32	public enum JavaBeanTester {	1✔
33
34	// Private Usage
35	;
36
37	/**
38	* Configure JavaBeanTester using Fluent API.
39	*
40	* @param <T>
41	* the generic type
42	* @param clazz
43	* the clazz
44	*
45	* @return A builder implementing the fluent API to configure JavaBeanTester
46	*/
47	public static <T> JavaBeanTesterBuilder<T, ?> builder(final Class<T> clazz) {
48	// If class is final, use Object.class for comparison needs
49	if (Modifier.isFinal(clazz.getModifiers())) {	1✔
50	return new JavaBeanTesterBuilder<>(clazz, Object.class);	1✔
51	}
52
53	// Lombok builder not supported by byte buddy, do not attempt to build extension class
54	if (LombokBuilderUtil.getLombokBuilderMethod(clazz) != null) {	1✔
55	return builder(clazz, null);	1✔
56	}
57
58	// Build extension from class using byte buddy
59	Class<? extends T> loaded = new ByteBuddy().with(new NamingStrategy.AbstractBase() {	1✔
60	@Override
61	protected String name(TypeDescription superClass) {
62	return clazz.getPackageName() + ".ByteBuddyExt" + superClass.getSimpleName();	1✔
63	}
64	}).subclass(clazz).method(ElementMatchers.isEquals())	1✔
65	.intercept(MethodDelegation.to(InstanceOfEqualsInterceptor.class)).method(ElementMatchers.isHashCode())	1✔
66	.intercept(HashCodeMethod.usingSuperClassOffset()).method(ElementMatchers.isToString())	1✔
67	.intercept(ToStringMethod.prefixedBySimpleClassName()).method(ElementMatchers.named("canEqual"))	1✔
68	.intercept(MethodDelegation.to(CanEqualInterceptor.class))	1✔
69	.defineField("javabeanExtension", String.class, Visibility.PACKAGE_PRIVATE).make()	1✔
70	.load(clazz.getClassLoader(), ClassLoadingStrategy.Default.WRAPPER).getLoaded();	1✔
71
72	// Builder with proper extension class
73	return builder(clazz, loaded);	1✔
74	}
75
76	/**
77	* Configure JavaBeanTester using Fluent API.
78	*
79	* @param <T>
80	* the generic type
81	* @param <E>
82	* the element type
83	* @param clazz
84	* the clazz
85	* @param extension
86	* the extension
87	*
88	* @return A builder implementing the fluent API to configure JavaBeanTester
89	*/
90	public static <T, E> JavaBeanTesterBuilder<T, E> builder(final Class<T> clazz, final Class<E> extension) {
91	return new JavaBeanTesterBuilder<>(clazz, extension);	1✔
92	}
93
94	/**
95	* The Class CanEqualInterceptor.
96	*/
97	public final static class CanEqualInterceptor {
98
99	/**
100	* Prevents instantiation a new can equal interceptor.
101	*/
102	CanEqualInterceptor() {	×
103	// Private constructor to prevent instantiation
104	}	×
105
106	/**
107	* Can Equal Interceptor.
108	*
109	* @param object
110	* The object to check can equals
111	* @return boolean of can equals
112	*/
113	public static boolean canEqual(final Object object) {
114	return object instanceof NamedElement.WithRuntimeName;	1✔
115	}
116
117	}
118
119	/**
120	* The Class InstanceOfEqualsInterceptor.
121	*/
122	public final static class InstanceOfEqualsInterceptor {
123
124	/**
125	* Prevents instantiation a new instance of equals interceptor.
126	*/
127	InstanceOfEqualsInterceptor() {	×
128	// Private constructor to prevent instantiation
129	}	×
130
131	/**
132	* Equals.
133	*
134	* @param self
135	* the self
136	* @param other
137	* the other
138	* @return true, if successful
139	*/
140	public static boolean equals(@This Object self, @Argument(0) Object other) {
141	if (self == other) {	1✔
142	return true;	1✔
143	}
144	if ((other == null) \|\| (!self.getClass().isInstance(other) && !other.getClass().isInstance(self))) {	1!
145	return false;	1✔
146	}
147	return self.hashCode() == other.hashCode();	1✔
148	}
149	}
150
151	}

hazendaz / javabean-tester / 3229

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