BeanWrapperUtils.java

package fr.sii.ogham.core.util.bean;

import static org.apache.commons.lang3.ClassUtils.isPrimitiveOrWrapper;

import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import fr.sii.ogham.core.exception.util.BeanWrapperException;

/**
 * Some utility methods for bean wrapper management
 * 
 * @author Aurélien Baudet
 *
 */
public final class BeanWrapperUtils {

	private static final List<Class<?>> INVALID_TYPES = new ArrayList<>();
	static {
		INVALID_TYPES.add(String.class);
		INVALID_TYPES.add(Number.class);
	}

	/**
	 * Check if the bean type can be wrapped or not.
	 * 
	 * @param bean
	 *            the bean instance
	 * @return false if null or valid type, true if primitive type or string
	 */
	@SuppressWarnings("squid:S2250")
	public static boolean isInvalid(Object bean) {
		if (bean == null) {
			return false;
		}
		return isPrimitiveOrWrapper(bean.getClass()) 
				|| INVALID_TYPES.contains(bean.getClass())
				|| isInstanceOfInvalid(bean.getClass());
	}

	/**
	 * Get the class name of the bean even if null.
	 * 
	 * @param bean
	 *            the bean instance
	 * @return the class of the bean
	 */
	public static String getClassName(Object bean) {
		return bean == null ? "null" : bean.getClass().getName();
	}

	/**
	 * Get the whole list of read {@link Method}s using introspection.
	 * 
	 * @param bean
	 *            the bean to introspect
	 * @return the map of bean property getters (indexed by property name)
	 */
	public static Map<String, Method> getReadMethods(Object bean) {
		Class<? extends Object> beanClass = bean.getClass();
		try {
			Map<String, Method> readMethods = new HashMap<>();
			final BeanInfo beanInfo = Introspector.getBeanInfo(beanClass);
			final PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
			if (propertyDescriptors != null) {
				putReadMethods(readMethods, propertyDescriptors);
			}
			return readMethods;
		} catch (final IntrospectionException e) {
			throw new BeanWrapperException("Failed to initialize bean wrapper on " + beanClass, e);
		}
	}

	/**
	 * Get a read {@link Method} for a particular property.
	 * 
	 * @param bean
	 *            the bean instance
	 * @param name
	 *            the name of the property
	 * @return the getter method for the property
	 */
	public static Method getReadMethod(Object bean, String name) {
		return getReadMethods(bean).get(name);
	}

	private static void putReadMethods(Map<String, Method> readMethods, final PropertyDescriptor[] propertyDescriptors) {
		for (final PropertyDescriptor propertyDescriptor : propertyDescriptors) {
			if (propertyDescriptor != null) {
				final String name = propertyDescriptor.getName();
				final Method readMethod = propertyDescriptor.getReadMethod();

				if (readMethod != null) {
					readMethods.put(name, readMethod);
				}
			}
		}
	}

	private static boolean isInstanceOfInvalid(Class<?> clazz) {
		for(Class<?> c : INVALID_TYPES) {
			if(c.isAssignableFrom(clazz)) {
				return true;
			}
		}
		return false;
	}

	private BeanWrapperUtils() {
		super();
	}

}

















Active mutators

Tests examined

Report generated by PIT 1.13.1

1		package fr.sii.ogham.core.util.bean;
2
3		import static org.apache.commons.lang3.ClassUtils.isPrimitiveOrWrapper;
4
5		import java.beans.BeanInfo;
6		import java.beans.IntrospectionException;
7		import java.beans.Introspector;
8		import java.beans.PropertyDescriptor;
9		import java.lang.reflect.Method;
10		import java.util.ArrayList;
11		import java.util.HashMap;
12		import java.util.List;
13		import java.util.Map;
14
15		import fr.sii.ogham.core.exception.util.BeanWrapperException;
16
17		/**
18		* Some utility methods for bean wrapper management
19		*
20		* @author Aurélien Baudet
21		*
22		*/
23		public final class BeanWrapperUtils {
24
25		private static final List<Class<?>> INVALID_TYPES = new ArrayList<>();
26		static {
27		INVALID_TYPES.add(String.class);
28		INVALID_TYPES.add(Number.class);
29		}
30
31		/**
32		* Check if the bean type can be wrapped or not.
33		*
34		* @param bean
35		* the bean instance
36		* @return false if null or valid type, true if primitive type or string
37		*/
38		@SuppressWarnings("squid:S2250")
39		public static boolean isInvalid(Object bean) {
40	1 1. isInvalid : negated conditional → RUN_ERROR	if (bean == null) {
41	1 1. isInvalid : replaced boolean return with true for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInvalid → NO_COVERAGE	return false;
42		}
43	2 1. isInvalid : replaced boolean return with true for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInvalid → RUN_ERROR 2. isInvalid : negated conditional → RUN_ERROR	return isPrimitiveOrWrapper(bean.getClass())
44	1 1. isInvalid : negated conditional → RUN_ERROR	\|\| INVALID_TYPES.contains(bean.getClass())
45	1 1. isInvalid : negated conditional → RUN_ERROR	\|\| isInstanceOfInvalid(bean.getClass());
46		}
47
48		/**
49		* Get the class name of the bean even if null.
50		*
51		* @param bean
52		* the bean instance
53		* @return the class of the bean
54		*/
55		public static String getClassName(Object bean) {
56	2 1. getClassName : replaced return value with "" for fr/sii/ogham/core/util/bean/BeanWrapperUtils::getClassName → RUN_ERROR 2. getClassName : negated conditional → RUN_ERROR	return bean == null ? "null" : bean.getClass().getName();
57		}
58
59		/**
60		* Get the whole list of read {@link Method}s using introspection.
61		*
62		* @param bean
63		* the bean to introspect
64		* @return the map of bean property getters (indexed by property name)
65		*/
66		public static Map<String, Method> getReadMethods(Object bean) {
67		Class<? extends Object> beanClass = bean.getClass();
68		try {
69		Map<String, Method> readMethods = new HashMap<>();
70		final BeanInfo beanInfo = Introspector.getBeanInfo(beanClass);
71		final PropertyDescriptor[] propertyDescriptors = beanInfo.getPropertyDescriptors();
72	1 1. getReadMethods : negated conditional → RUN_ERROR	if (propertyDescriptors != null) {
73	1 1. getReadMethods : removed call to fr/sii/ogham/core/util/bean/BeanWrapperUtils::putReadMethods → RUN_ERROR	putReadMethods(readMethods, propertyDescriptors);
74		}
75	1 1. getReadMethods : replaced return value with Collections.emptyMap for fr/sii/ogham/core/util/bean/BeanWrapperUtils::getReadMethods → RUN_ERROR	return readMethods;
76		} catch (final IntrospectionException e) {
77		throw new BeanWrapperException("Failed to initialize bean wrapper on " + beanClass, e);
78		}
79		}
80
81		/**
82		* Get a read {@link Method} for a particular property.
83		*
84		* @param bean
85		* the bean instance
86		* @param name
87		* the name of the property
88		* @return the getter method for the property
89		*/
90		public static Method getReadMethod(Object bean, String name) {
91	1 1. getReadMethod : replaced return value with null for fr/sii/ogham/core/util/bean/BeanWrapperUtils::getReadMethod → RUN_ERROR	return getReadMethods(bean).get(name);
92		}
93
94		private static void putReadMethods(Map<String, Method> readMethods, final PropertyDescriptor[] propertyDescriptors) {
95		for (final PropertyDescriptor propertyDescriptor : propertyDescriptors) {
96	1 1. putReadMethods : negated conditional → RUN_ERROR	if (propertyDescriptor != null) {
97		final String name = propertyDescriptor.getName();
98		final Method readMethod = propertyDescriptor.getReadMethod();
99
100	1 1. putReadMethods : negated conditional → RUN_ERROR	if (readMethod != null) {
101		readMethods.put(name, readMethod);
102		}
103		}
104		}
105		}
106
107		private static boolean isInstanceOfInvalid(Class<?> clazz) {
108		for(Class<?> c : INVALID_TYPES) {
109	1 1. isInstanceOfInvalid : negated conditional → RUN_ERROR	if(c.isAssignableFrom(clazz)) {
110	1 1. isInstanceOfInvalid : replaced boolean return with false for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInstanceOfInvalid → RUN_ERROR	return true;
111		}
112		}
113	1 1. isInstanceOfInvalid : replaced boolean return with true for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInstanceOfInvalid → RUN_ERROR	return false;
114		}
115
116		private BeanWrapperUtils() {
117		super();
118		}
119
120		}
		Mutations
40		1.1 Location : isInvalid Killed by : negated conditional → RUN_ERROR
41		1.1 Location : isInvalid Killed by : replaced boolean return with true for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInvalid → NO_COVERAGE
43		1.1 Location : isInvalid Killed by : replaced boolean return with true for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInvalid → RUN_ERROR 2.2 Location : isInvalid Killed by : negated conditional → RUN_ERROR
44		1.1 Location : isInvalid Killed by : negated conditional → RUN_ERROR
45		1.1 Location : isInvalid Killed by : negated conditional → RUN_ERROR
56		1.1 Location : getClassName Killed by : replaced return value with "" for fr/sii/ogham/core/util/bean/BeanWrapperUtils::getClassName → RUN_ERROR 2.2 Location : getClassName Killed by : negated conditional → RUN_ERROR
72		1.1 Location : getReadMethods Killed by : negated conditional → RUN_ERROR
73		1.1 Location : getReadMethods Killed by : removed call to fr/sii/ogham/core/util/bean/BeanWrapperUtils::putReadMethods → RUN_ERROR
75		1.1 Location : getReadMethods Killed by : replaced return value with Collections.emptyMap for fr/sii/ogham/core/util/bean/BeanWrapperUtils::getReadMethods → RUN_ERROR
91		1.1 Location : getReadMethod Killed by : replaced return value with null for fr/sii/ogham/core/util/bean/BeanWrapperUtils::getReadMethod → RUN_ERROR
96		1.1 Location : putReadMethods Killed by : negated conditional → RUN_ERROR
100		1.1 Location : putReadMethods Killed by : negated conditional → RUN_ERROR
109		1.1 Location : isInstanceOfInvalid Killed by : negated conditional → RUN_ERROR
110		1.1 Location : isInstanceOfInvalid Killed by : replaced boolean return with false for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInstanceOfInvalid → RUN_ERROR
113		1.1 Location : isInstanceOfInvalid Killed by : replaced boolean return with true for fr/sii/ogham/core/util/bean/BeanWrapperUtils::isInstanceOfInvalid → RUN_ERROR

BeanWrapperUtils.java

Mutations

Active mutators

Tests examined