org.apache.juneau.internal

Class BeanPropertyUtils

java.lang.Object

org.apache.juneau.internal.BeanPropertyUtils

public final class BeanPropertyUtils
extends Object

Utility methods when working with setting of bean properties.

Constructor Summary

Constructors

Constructor and Description
BeanPropertyUtils()

Method Summary

Modifier and Type	Method and Description
static <T> List<T>	addToList(List<T> l, Collection<T> val) Copies the specified values into an existing list.
static <T> List<T>	addToList(List<T> appendTo, Object[] values, Class<T> type, Type... args) Adds a set of values to an existing list.
static <K,V> Map<K,V>	addToMap(Map<K,V> m, K key, V value) Adds a single entry into an existing map.
static <K,V> Map<K,V>	addToMap(Map<K,V> m, Map<K,V> val) Copies the specified values into an existing map.
static <K,V> Map<K,V>	addToMap(Map<K,V> appendTo, Object[] values, Class<K> keyType, Class<V> valueType, Type... valueTypeArgs) Adds a set of values to an existing map.
static <T> List<T>	newList(Collection<T> val) Creates a new list from the specified collection.
static <K,V> Map<K,V>	newMap(Map<K,V> val) Creates a new map from the specified map.
static Boolean	toBoolean(Object o) Converts a value to a Boolean.
static Integer	toInteger(Object o) Converts a value to an Integer.
static Number	toNumber(Object o) Converts a value to a Number.
static String	toStringVal(Object o) Converts a value to a String.
static <T> T	toType(Object o, Class<T> type, Type... args) Converts an object to the specified type.
static URI	toURI(Object o) Converts a value to a URI.

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanPropertyUtils

public BeanPropertyUtils()

Method Detail

toStringVal

public static String toStringVal(Object o)

Converts a value to a String.

Parameters:

o - The value to convert.

Returns:

The converted value, or null if the input was null.

toBoolean

public static Boolean toBoolean(Object o)

Converts a value to a Boolean.

Parameters:

o - The value to convert.

Returns:

The converted value, or null if the input was null.

toNumber

public static Number toNumber(Object o)

Converts a value to a Number.

Parameters:

o - The value to convert.

Returns:

The converted value, or null if the input was null.

toInteger

public static Integer toInteger(Object o)

Converts a value to an Integer.

Parameters:

o - The value to convert.

Returns:

The converted value, or null if the input was null.

toURI

public static URI toURI(Object o)

Converts a value to a URI.

Parameters:

o - The value to convert.

Returns:

The converted value, or null if the input was null.

addToList

public static <T> List<T> addToList(List<T> appendTo,
                                    Object[] values,
                                    Class<T> type,
                                    Type... args)

Adds a set of values to an existing list.

Parameters:

appendTo - The list to append to.
If null, a new ArrayList will be created.

values - The values to add.

type - The data type of the elements.

args - The generic type arguments of the data type.

Returns:

The converted value, or null if the input was null.

addToMap

public static <K,V> Map<K,V> addToMap(Map<K,V> appendTo,
                                      Object[] values,
                                      Class<K> keyType,
                                      Class<V> valueType,
                                      Type... valueTypeArgs)

Adds a set of values to an existing map.

Parameters:

appendTo - The map to append to.
If null, a new LinkedHashMap will be created.

values - The values to add.

keyType - The data type of the keys.

valueType - The data type of the values.

valueTypeArgs - The generic type arguments of the data type of the values.

Returns:

The converted value, or null if the input was null.

toType

public static <T> T toType(Object o,
                           Class<T> type,
                           Type... args)

Converts an object to the specified type.

Parameters:

o - The object to convert.

type - The type to covert to.

args - The type arguments for types of map or collection.

Returns:

The converted object.

newList

public static <T> List<T> newList(Collection<T> val)

Creates a new list from the specified collection.

Parameters:

val - The value to copy from.

Returns:

A new ArrayList, or null if the input was null.

addToList

public static <T> List<T> addToList(List<T> l,
                                    Collection<T> val)

Copies the specified values into an existing list.

Parameters:

l - The list to add to.
If null, a new ArrayList will be created.

val - The values to add.

Returns:

The list with values copied into it.

newMap

public static <K,V> Map<K,V> newMap(Map<K,V> val)

Creates a new map from the specified map.

Parameters:

val - The value to copy from.

Returns:

A new LinkedHashMap, or null if the input was null.

addToMap

public static <K,V> Map<K,V> addToMap(Map<K,V> m,
                                      Map<K,V> val)

Copies the specified values into an existing map.

Parameters:

m - The map to add to.
If null, a new LinkedHashMap will be created.

val - The values to add.

Returns:

The list with values copied into it.

addToMap

public static <K,V> Map<K,V> addToMap(Map<K,V> m,
                                      K key,
                                      V value)

Adds a single entry into an existing map.

Parameters:

m - The map to add to.
If null, a new LinkedHashMap will be created.

key - The entry key.

value - The entry value.

Returns:

The list with values copied into it.