org.boon.core.reflection

Class Reflection

java.lang.Object

org.boon.core.reflection.Reflection

public class Reflection
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Reflection.ReflectionException

Constructor Summary

Constructors

Constructor and Description
Reflection()

Method Summary

Modifier and Type	Method and Description
static int	arrayLength(java.lang.Object obj)
static boolean	classHasField(java.lang.Class<?> clz, java.lang.String name) Checks to see if a class has a field.
static boolean	classHasStringField(java.lang.Class<?> clz, java.lang.String name) Checks to see if this class has a string field.
static <V> java.util.Map<java.lang.String,V>	collectionToMap(java.lang.String propertyKey, java.util.Collection<V> values)
static <T> T	copy(T item)
static java.util.Collection<java.lang.Object>	createCollection(java.lang.Class<?> type, int size)
static java.lang.Object	fromMap(java.util.Map<java.lang.String,java.lang.Object> map)
static <T> T	fromMap(java.util.Map<java.lang.String,java.lang.Object> map, java.lang.Class<T> clazz)
static java.util.Map<java.lang.String,FieldAccess>	getAllAccessorFields(java.lang.Class<? extends java.lang.Object> theClass)
static java.util.Map<java.lang.String,FieldAccess>	getAllAccessorFields(java.lang.Class<? extends java.lang.Object> theClass, boolean useUnsafe)
static java.util.List<java.lang.reflect.Field>	getAllFields(java.lang.Class<? extends java.lang.Object> theClass)
static java.lang.Class<?>	getComponentType(java.util.Collection<?> value)
static java.lang.Class<?>	getComponentType(java.util.Collection<?> collection, FieldAccess fieldAccess)
static java.util.List<java.lang.reflect.Field>	getFields(java.lang.Class<? extends java.lang.Object> theClass)
static void	getFields(java.lang.Class<? extends java.lang.Object> theClass, java.util.List<java.lang.reflect.Field> list)
static java.util.Map<java.lang.String,FieldAccess>	getFieldsFromObject(java.lang.Object item) Get fields from object or Map.
static java.lang.String	getFirstComparableOrPrimitive(java.lang.Object value1) This can be used for default sort.
static java.lang.String	getFirstComparableOrPrimitiveFromClass(java.lang.Class<?> clz) This can be used for default sort.
static java.lang.String	getFirstStringFieldNameEndsWith(java.lang.Object value, java.lang.String name) getFirstStringFieldNameEndsWith
static java.lang.String	getFirstStringFieldNameEndsWithFromClass(java.lang.Class<?> clz, java.lang.String name) getFirstStringFieldNameEndsWithFromClass
static java.lang.Object	getProp(java.lang.Object object, java.lang.String property) This is one is forgiving of null paths.
static java.lang.Object	getPropByPath(java.lang.Object item, java.lang.String... path) This method handles walking lists of lists.
static boolean	getPropertyBoolean(java.lang.Object root, java.lang.String... properties)
static byte	getPropertyByte(java.lang.Object root, java.lang.String... properties)
static char	getPropertyChar(java.lang.Object root, java.lang.String... properties)
static double	getPropertyDouble(java.lang.Object root, java.lang.String... properties)
static java.util.Map<java.lang.String,FieldAccess>	getPropertyFieldAccessMap(java.lang.Class<?> clazz) This returns getPropertyFieldFieldAccessMap(clazz, true, true);
static java.util.Map<java.lang.String,FieldAccess>	getPropertyFieldAccessMap(java.lang.Class<?> clazz, boolean useFieldFirst, boolean useUnSafe) Gets a list of fields merges with properties if field is not found.
static java.util.Map<java.lang.String,FieldAccess>	getPropertyFieldAccessors(java.lang.Class<? extends java.lang.Object> theClass)
static float	getPropertyFloat(java.lang.Object root, java.lang.String... properties)
static int	getPropertyInt(java.lang.Object root, java.lang.String... properties) Get an int property.
static long	getPropertyLong(java.lang.Object root, java.lang.String... properties)
static java.util.Map<java.lang.String,Pair<java.lang.reflect.Method>>	getPropertySetterGetterMethods(java.lang.Class<? extends java.lang.Object> theClass)
static short	getPropertyShort(java.lang.Object root, java.lang.String... properties)
static java.lang.Object	getPropertyValue(java.lang.Object root, java.lang.String... properties) Get property value, loads nested properties
static java.lang.String	getSortableField(java.lang.Object value1) Gets the first sortable fields found.
static java.lang.String	getSortableFieldFromClass(java.lang.Class<?> clazz) Gets the first sortable field.
static boolean	hasField(java.lang.Class<?> aClass, java.lang.String name)
static boolean	hasField(java.lang.Object value1, java.lang.String name) Checks to if an instance has a field
static boolean	hasStringField(java.lang.Object value1, java.lang.String name) Checks to see if we have a string field.
static java.lang.Object	idx(java.lang.Object object, int index)
static void	idx(java.lang.Object object, int index, java.lang.Object value)
static java.lang.Object	idx(java.lang.Object object, java.lang.String path) Get property value
static boolean	idxBoolean(java.lang.Object object, java.lang.String path)
static byte	idxByte(java.lang.Object object, java.lang.String path)
static char	idxChar(java.lang.Object object, java.lang.String path)
static double	idxDouble(java.lang.Object object, java.lang.String path)
static float	idxFloat(java.lang.Object object, java.lang.String path)
static <T> T	idxGeneric(java.lang.Class<T> t, java.lang.Object object, java.lang.String path)
static int	idxInt(java.lang.Object object, java.lang.String path) Get property value
static <T> java.util.List<T>	idxList(java.lang.Class<T> cls, java.lang.Object items, java.lang.String... path)
static long	idxLong(java.lang.Object object, java.lang.String path)
static java.lang.Object	idxRelax(java.lang.Object object, java.lang.String path)
static short	idxShort(java.lang.Object object, java.lang.String path)
static boolean	isArray(java.lang.Object obj)
static java.util.Iterator	iterator(java.lang.Object o)
static java.lang.String	joinBy(char delim, java.lang.Object... args)
static int	len(java.lang.Object obj)
static <T> T	newInstance(java.lang.Class<T> clazz)
static java.lang.Object	newInstance(java.lang.String className)
static java.util.Map<java.lang.String,java.lang.Object>	toMap(java.lang.Object object)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Reflection

public Reflection()

Method Detail

getPropertyFieldAccessMap

public static java.util.Map<java.lang.String,FieldAccess> getPropertyFieldAccessMap(java.lang.Class<?> clazz)

This returns getPropertyFieldFieldAccessMap(clazz, true, true);

Parameters:

clazz - gets the properties or fields of this class.

Returns:

See Also:

getPropertyFieldAccessMap(Class, boolean, boolean)

getPropertyFieldAccessMap

public static java.util.Map<java.lang.String,FieldAccess> getPropertyFieldAccessMap(java.lang.Class<?> clazz,
                                                                                    boolean useFieldFirst,
                                                                                    boolean useUnSafe)

Gets a list of fields merges with properties if field is not found.

Parameters:

clazz - get the properties or fields

useFieldFirst - try to use the field first if this is set

useUnSafe - use unsafe if it is available for speed.

Returns:

hasStringField

public static boolean hasStringField(java.lang.Object value1,
                                     java.lang.String name)

Checks to see if we have a string field.

Parameters:

value1 -

name -

Returns:

classHasStringField

public static boolean classHasStringField(java.lang.Class<?> clz,
                                          java.lang.String name)

Checks to see if this class has a string field.

Parameters:

clz -

name -

Returns:

hasField

public static boolean hasField(java.lang.Object value1,
                               java.lang.String name)

Checks to if an instance has a field

Parameters:

value1 -

name -

Returns:

classHasField

public static boolean classHasField(java.lang.Class<?> clz,
                                    java.lang.String name)

Checks to see if a class has a field.

Parameters:

clz -

name -

Returns:

getFirstComparableOrPrimitive

public static java.lang.String getFirstComparableOrPrimitive(java.lang.Object value1)

This can be used for default sort.

Parameters:

value1 - value we are analyzing

Returns:

first field that is comparable or primitive.

getFirstComparableOrPrimitiveFromClass

public static java.lang.String getFirstComparableOrPrimitiveFromClass(java.lang.Class<?> clz)

This can be used for default sort.

Parameters:

clz - class we are analyzing

Returns:

first field that is comparable or primitive or null if not found.

getFirstStringFieldNameEndsWith

public static java.lang.String getFirstStringFieldNameEndsWith(java.lang.Object value,
                                                               java.lang.String name)

getFirstStringFieldNameEndsWith

Parameters:

value - object we are looking at

name - name

Returns:

field name or null

getFirstStringFieldNameEndsWithFromClass

public static java.lang.String getFirstStringFieldNameEndsWithFromClass(java.lang.Class<?> clz,
                                                                        java.lang.String name)

getFirstStringFieldNameEndsWithFromClass

Parameters:

clz - class we are looking at

name - name

Returns:

field name or null

getSortableField

public static java.lang.String getSortableField(java.lang.Object value1)

Gets the first sortable fields found.

Parameters:

value1 -

Returns:

sortable field

getSortableFieldFromClass

public static java.lang.String getSortableFieldFromClass(java.lang.Class<?> clazz)

Gets the first sortable field.

Parameters:

clazz - the class we are getting the sortable field from.

Returns:

sortable field

getFieldsFromObject

public static java.util.Map<java.lang.String,FieldAccess> getFieldsFromObject(java.lang.Object item)

Get fields from object or Map. Allows maps to act like they have fields.

Parameters:

item -

Returns:

getPropertyValue

public static java.lang.Object getPropertyValue(java.lang.Object root,
                                                java.lang.String... properties)

Get property value, loads nested properties

Parameters:

root -

properties -

Returns:

idxGeneric

public static <T> T idxGeneric(java.lang.Class<T> t,
                               java.lang.Object object,
                               java.lang.String path)

idxList

public static <T> java.util.List<T> idxList(java.lang.Class<T> cls,
                                            java.lang.Object items,
                                            java.lang.String... path)

idx

public static java.lang.Object idx(java.lang.Object object,
                                   java.lang.String path)

Get property value

Parameters:

object -

path - in dotted notation

Returns:

idxRelax

public static java.lang.Object idxRelax(java.lang.Object object,
                                        java.lang.String path)

Parameters:

object -

path -

Returns:

getPropByPath

public static java.lang.Object getPropByPath(java.lang.Object item,
                                             java.lang.String... path)

This method handles walking lists of lists.

Parameters:

item -

path -

Returns:

getProp

public static java.lang.Object getProp(java.lang.Object object,
                                       java.lang.String property)

This is one is forgiving of null paths. This works with getters first, i.e., properties.

Parameters:

object -

property -

Returns:

getPropertyInt

public static int getPropertyInt(java.lang.Object root,
                                 java.lang.String... properties)

Get an int property.

idxInt

public static int idxInt(java.lang.Object object,
                         java.lang.String path)

Get property value

Parameters:

object -

path - in dotted notation

Returns:

getPropertyByte

public static byte getPropertyByte(java.lang.Object root,
                                   java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxByte

public static byte idxByte(java.lang.Object object,
                           java.lang.String path)

Parameters:

object -

path -

Returns:

getPropertyFloat

public static float getPropertyFloat(java.lang.Object root,
                                     java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxFloat

public static float idxFloat(java.lang.Object object,
                             java.lang.String path)

Parameters:

object -

path -

Returns:

getPropertyShort

public static short getPropertyShort(java.lang.Object root,
                                     java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxShort

public static short idxShort(java.lang.Object object,
                             java.lang.String path)

Parameters:

object -

path -

Returns:

getPropertyChar

public static char getPropertyChar(java.lang.Object root,
                                   java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxChar

public static char idxChar(java.lang.Object object,
                           java.lang.String path)

Parameters:

object -

path -

Returns:

getPropertyDouble

public static double getPropertyDouble(java.lang.Object root,
                                       java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxDouble

public static double idxDouble(java.lang.Object object,
                               java.lang.String path)

Parameters:

object -

path -

Returns:

getPropertyLong

public static long getPropertyLong(java.lang.Object root,
                                   java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxLong

public static long idxLong(java.lang.Object object,
                           java.lang.String path)

Parameters:

object -

path -

Returns:

getPropertyBoolean

public static boolean getPropertyBoolean(java.lang.Object root,
                                         java.lang.String... properties)

Parameters:

root -

properties -

Returns:

idxBoolean

public static boolean idxBoolean(java.lang.Object object,
                                 java.lang.String path)

hasField

public static boolean hasField(java.lang.Class<?> aClass,
                               java.lang.String name)

isArray

public static boolean isArray(java.lang.Object obj)

len

public static int len(java.lang.Object obj)

arrayLength

public static int arrayLength(java.lang.Object obj)

idx

public static java.lang.Object idx(java.lang.Object object,
                                   int index)

idx

public static void idx(java.lang.Object object,
                       int index,
                       java.lang.Object value)

newInstance

public static java.lang.Object newInstance(java.lang.String className)

newInstance

public static <T> T newInstance(java.lang.Class<T> clazz)

fromMap

public static <T> T fromMap(java.util.Map<java.lang.String,java.lang.Object> map,
                            java.lang.Class<T> clazz)

fromMap

public static java.lang.Object fromMap(java.util.Map<java.lang.String,java.lang.Object> map)

createCollection

public static java.util.Collection<java.lang.Object> createCollection(java.lang.Class<?> type,
                                                                      int size)

toMap

public static java.util.Map<java.lang.String,java.lang.Object> toMap(java.lang.Object object)

getComponentType

public static java.lang.Class<?> getComponentType(java.util.Collection<?> collection,
                                                  FieldAccess fieldAccess)

getComponentType

public static java.lang.Class<?> getComponentType(java.util.Collection<?> value)

getAllAccessorFields

public static java.util.Map<java.lang.String,FieldAccess> getAllAccessorFields(java.lang.Class<? extends java.lang.Object> theClass)

getAllAccessorFields

public static java.util.Map<java.lang.String,FieldAccess> getAllAccessorFields(java.lang.Class<? extends java.lang.Object> theClass,
                                                                               boolean useUnsafe)

collectionToMap

public static <V> java.util.Map<java.lang.String,V> collectionToMap(java.lang.String propertyKey,
                                                                    java.util.Collection<V> values)

getAllFields

public static java.util.List<java.lang.reflect.Field> getAllFields(java.lang.Class<? extends java.lang.Object> theClass)

getPropertyFieldAccessors

public static java.util.Map<java.lang.String,FieldAccess> getPropertyFieldAccessors(java.lang.Class<? extends java.lang.Object> theClass)

getPropertySetterGetterMethods

public static java.util.Map<java.lang.String,Pair<java.lang.reflect.Method>> getPropertySetterGetterMethods(java.lang.Class<? extends java.lang.Object> theClass)

getFields

public static void getFields(java.lang.Class<? extends java.lang.Object> theClass,
                             java.util.List<java.lang.reflect.Field> list)

getFields

public static java.util.List<java.lang.reflect.Field> getFields(java.lang.Class<? extends java.lang.Object> theClass)

copy

public static <T> T copy(T item)

iterator

public static java.util.Iterator iterator(java.lang.Object o)

joinBy

public static java.lang.String joinBy(char delim,
                                      java.lang.Object... args)