SimpleBeanReadWrapper.java

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

import static fr.sii.ogham.core.util.bean.BeanWrapperUtils.getClassName;
import static fr.sii.ogham.core.util.bean.BeanWrapperUtils.getReadMethods;
import static fr.sii.ogham.core.util.bean.BeanWrapperUtils.isInvalid;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

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

/**
 * Simple implementation that wraps a bean in order to access the properties of
 * the bean.
 * 
 * This implementation delegates the access to the properties to
 * {@link Accessor}s.
 * 
 * @author Aurélien Baudet
 *
 */
public class SimpleBeanReadWrapper implements BeanReadWrapper {
	private final Object bean;
	private final Map<String, Accessor<Object>> accessors;
	private final boolean failOnMissingProperty;

	/**
	 * Builds the map of accessors for each bean property.
	 * 
	 * If a property doesn't exist, an {@link InvalidPropertyException} is
	 * thrown.
	 * 
	 * @param bean
	 *            the bean that may have properties to access later
	 */
	public SimpleBeanReadWrapper(Object bean) {
		this(bean, true);
	}

	/**
	 * Builds the map of accessors for each bean property.
	 * 
	 * @param bean
	 *            the bean that may have properties to access later
	 * @param failOnMissingProperty
	 *            if false null is returned if the property doesn't exist, if
	 *            true an {@link InvalidPropertyException} is thrown if the
	 *            property doesn't exist
	 */
	public SimpleBeanReadWrapper(Object bean, boolean failOnMissingProperty) {
		super();
		this.bean = bean;
		this.accessors = new HashMap<>();
		this.failOnMissingProperty = failOnMissingProperty;
		initialize(bean);
	}

	@Override
	public Object getPropertyValue(String name) {
		if (getWrappedBean() == null) {
			return null;
		}

		Accessor<Object> accessor = accessors.get(name);
		if (failOnMissingProperty && accessor == null) {
			throw new InvalidPropertyException("No accessor for property '" + name + "' on bean '" + getClassName(bean) + "'", bean, name);
		}

		return accessor == null ? null : accessor.getValue();
	}

	@Override
	public List<String> getProperties() {
		return new ArrayList<>(accessors.keySet());
	}

	@Override
	public Object getWrappedBean() {
		return bean;
	}

	@SuppressWarnings("unchecked")
	private void initialize(Object bean) {
		if (bean == null) {
			return;
		}

		if (isInvalid(bean)) {
			throw new IllegalArgumentException(getClassName(bean) + " values can't be used as bean");
		} else if (bean instanceof Collection) {
			initializeCollection((Collection<Object>) bean, accessors);
		} else if (bean instanceof Map) {
			initializeMap((Map<Object, Object>) bean, accessors);
		} else {
			initializeBean(bean, accessors);
		}
	}

	private static void initializeCollection(Collection<Object> collection, Map<String, Accessor<Object>> accessors) {
		int i = 0;
		for (Iterator<Object> it = collection.iterator(); it.hasNext(); i++) {
			accessors.put(Integer.toString(i), new DirectAccessor<>(it.next()));
		}
	}

	private static void initializeMap(Map<Object, Object> map, Map<String, Accessor<Object>> accessors) {
		for (Entry<Object, Object> entry : map.entrySet()) {
			accessors.put(entry.getKey().toString(), new DirectAccessor<>(entry.getValue()));
		}
	}

	private static void initializeBean(Object bean, Map<String, Accessor<Object>> accessors) {
		Map<String, Method> readMethods = getReadMethods(bean);
		for(Entry<String, Method> entry : readMethods.entrySet()) {
			String name = entry.getKey();
			Method readMethod = entry.getValue();
			if (readMethod != null) {
				accessors.put(name, new ReadMethodAccessor<>(bean, name, readMethod));
			}
		}
	}
}

















Active mutators

Tests examined

Report generated by PIT 1.13.1

1		package fr.sii.ogham.core.util.bean;
2
3		import static fr.sii.ogham.core.util.bean.BeanWrapperUtils.getClassName;
4		import static fr.sii.ogham.core.util.bean.BeanWrapperUtils.getReadMethods;
5		import static fr.sii.ogham.core.util.bean.BeanWrapperUtils.isInvalid;
6
7		import java.lang.reflect.Method;
8		import java.util.ArrayList;
9		import java.util.Collection;
10		import java.util.HashMap;
11		import java.util.Iterator;
12		import java.util.List;
13		import java.util.Map;
14		import java.util.Map.Entry;
15
16		import fr.sii.ogham.core.exception.util.InvalidPropertyException;
17
18		/**
19		* Simple implementation that wraps a bean in order to access the properties of
20		* the bean.
21		*
22		* This implementation delegates the access to the properties to
23		* {@link Accessor}s.
24		*
25		* @author Aurélien Baudet
26		*
27		*/
28		public class SimpleBeanReadWrapper implements BeanReadWrapper {
29		private final Object bean;
30		private final Map<String, Accessor<Object>> accessors;
31		private final boolean failOnMissingProperty;
32
33		/**
34		* Builds the map of accessors for each bean property.
35		*
36		* If a property doesn't exist, an {@link InvalidPropertyException} is
37		* thrown.
38		*
39		* @param bean
40		* the bean that may have properties to access later
41		*/
42		public SimpleBeanReadWrapper(Object bean) {
43		this(bean, true);
44		}
45
46		/**
47		* Builds the map of accessors for each bean property.
48		*
49		* @param bean
50		* the bean that may have properties to access later
51		* @param failOnMissingProperty
52		* if false null is returned if the property doesn't exist, if
53		* true an {@link InvalidPropertyException} is thrown if the
54		* property doesn't exist
55		*/
56		public SimpleBeanReadWrapper(Object bean, boolean failOnMissingProperty) {
57		super();
58		this.bean = bean;
59		this.accessors = new HashMap<>();
60		this.failOnMissingProperty = failOnMissingProperty;
61	1 1. <init> : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initialize → RUN_ERROR	initialize(bean);
62		}
63
64		@Override
65		public Object getPropertyValue(String name) {
66	1 1. getPropertyValue : negated conditional → RUN_ERROR	if (getWrappedBean() == null) {
67		return null;
68		}
69
70		Accessor<Object> accessor = accessors.get(name);
71	2 1. getPropertyValue : negated conditional → RUN_ERROR 2. getPropertyValue : negated conditional → RUN_ERROR	if (failOnMissingProperty && accessor == null) {
72		throw new InvalidPropertyException("No accessor for property '" + name + "' on bean '" + getClassName(bean) + "'", bean, name);
73		}
74
75	2 1. getPropertyValue : negated conditional → RUN_ERROR 2. getPropertyValue : replaced return value with null for fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::getPropertyValue → RUN_ERROR	return accessor == null ? null : accessor.getValue();
76		}
77
78		@Override
79		public List<String> getProperties() {
80	1 1. getProperties : replaced return value with Collections.emptyList for fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::getProperties → RUN_ERROR	return new ArrayList<>(accessors.keySet());
81		}
82
83		@Override
84		public Object getWrappedBean() {
85	1 1. getWrappedBean : replaced return value with null for fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::getWrappedBean → RUN_ERROR	return bean;
86		}
87
88		@SuppressWarnings("unchecked")
89		private void initialize(Object bean) {
90	1 1. initialize : negated conditional → RUN_ERROR	if (bean == null) {
91		return;
92		}
93
94	1 1. initialize : negated conditional → RUN_ERROR	if (isInvalid(bean)) {
95		throw new IllegalArgumentException(getClassName(bean) + " values can't be used as bean");
96	1 1. initialize : negated conditional → RUN_ERROR	} else if (bean instanceof Collection) {
97	1 1. initialize : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initializeCollection → RUN_ERROR	initializeCollection((Collection<Object>) bean, accessors);
98	1 1. initialize : negated conditional → RUN_ERROR	} else if (bean instanceof Map) {
99	1 1. initialize : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initializeMap → RUN_ERROR	initializeMap((Map<Object, Object>) bean, accessors);
100		} else {
101	1 1. initialize : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initializeBean → RUN_ERROR	initializeBean(bean, accessors);
102		}
103		}
104
105		private static void initializeCollection(Collection<Object> collection, Map<String, Accessor<Object>> accessors) {
106		int i = 0;
107	2 1. initializeCollection : Changed increment from 1 to -1 → RUN_ERROR 2. initializeCollection : negated conditional → RUN_ERROR	for (Iterator<Object> it = collection.iterator(); it.hasNext(); i++) {
108		accessors.put(Integer.toString(i), new DirectAccessor<>(it.next()));
109		}
110		}
111
112		private static void initializeMap(Map<Object, Object> map, Map<String, Accessor<Object>> accessors) {
113		for (Entry<Object, Object> entry : map.entrySet()) {
114		accessors.put(entry.getKey().toString(), new DirectAccessor<>(entry.getValue()));
115		}
116		}
117
118		private static void initializeBean(Object bean, Map<String, Accessor<Object>> accessors) {
119		Map<String, Method> readMethods = getReadMethods(bean);
120		for(Entry<String, Method> entry : readMethods.entrySet()) {
121		String name = entry.getKey();
122		Method readMethod = entry.getValue();
123	1 1. initializeBean : negated conditional → RUN_ERROR	if (readMethod != null) {
124		accessors.put(name, new ReadMethodAccessor<>(bean, name, readMethod));
125		}
126		}
127		}
128		}
		Mutations
61		1.1 Location : <init> Killed by : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initialize → RUN_ERROR
66		1.1 Location : getPropertyValue Killed by : negated conditional → RUN_ERROR
71		1.1 Location : getPropertyValue Killed by : negated conditional → RUN_ERROR 2.2 Location : getPropertyValue Killed by : negated conditional → RUN_ERROR
75		1.1 Location : getPropertyValue Killed by : negated conditional → RUN_ERROR 2.2 Location : getPropertyValue Killed by : replaced return value with null for fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::getPropertyValue → RUN_ERROR
80		1.1 Location : getProperties Killed by : replaced return value with Collections.emptyList for fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::getProperties → RUN_ERROR
85		1.1 Location : getWrappedBean Killed by : replaced return value with null for fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::getWrappedBean → RUN_ERROR
90		1.1 Location : initialize Killed by : negated conditional → RUN_ERROR
94		1.1 Location : initialize Killed by : negated conditional → RUN_ERROR
96		1.1 Location : initialize Killed by : negated conditional → RUN_ERROR
97		1.1 Location : initialize Killed by : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initializeCollection → RUN_ERROR
98		1.1 Location : initialize Killed by : negated conditional → RUN_ERROR
99		1.1 Location : initialize Killed by : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initializeMap → RUN_ERROR
101		1.1 Location : initialize Killed by : removed call to fr/sii/ogham/core/util/bean/SimpleBeanReadWrapper::initializeBean → RUN_ERROR
107		1.1 Location : initializeCollection Killed by : Changed increment from 1 to -1 → RUN_ERROR 2.2 Location : initializeCollection Killed by : negated conditional → RUN_ERROR
123		1.1 Location : initializeBean Killed by : negated conditional → RUN_ERROR

SimpleBeanReadWrapper.java

Mutations

Active mutators

Tests examined