Java org.apache.commons.collections MapUtils fields, constructors, methods, implement or subclass

Introduction

In this page you can find the methods, fields and constructors for org.apache.commons.collections MapUtils.

The text is from its open source code.

Subclass

org.apache.commons.collections.MapUtils has subclasses.
Click this link to see all its subclasses.

Field

Map	EMPTY_MAP An empty unmodifiable map.

Method

void	debugPrint(final PrintStream out, final Object label, final Map map) Prints the given map with nice line breaks.
Boolean	getBoolean(Map map, Object key, Boolean defaultValue) Looks up the given key in the given map, converting the result into a boolean, using the default value if the the conversion fails.
Boolean	getBoolean(final Map map, final Object key) Gets a Boolean from a Map in a null-safe manner.
boolean	getBooleanValue(final Map map, final Object key) Gets a boolean from a Map in a null-safe manner.
boolean	getBooleanValue(final Map map, final Object key, boolean defaultValue) Gets a boolean from a Map in a null-safe manner, using the default value if the the conversion fails.
Double	getDouble(final Map map, final Object key) Gets a Double from a Map in a null-safe manner.
Double	getDouble(Map map, Object key, Double defaultValue) Looks up the given key in the given map, converting the result into a double, using the default value if the the conversion fails.
double	getDoubleValue(final Map map, final Object key) Gets a double from a Map in a null-safe manner.
double	getDoubleValue(final Map map, final Object key, double defaultValue) Gets a double from a Map in a null-safe manner, using the default value if the the conversion fails.
Integer	getInteger(Map map, Object key, Integer defaultValue) Looks up the given key in the given map, converting the result into an integer, using the default value if the the conversion fails.
Integer	getInteger(final Map map, final Object key) Gets a Integer from a Map in a null-safe manner.
int	getIntValue(final Map map, final Object key) Gets an int from a Map in a null-safe manner.
int	getIntValue(final Map map, final Object key, int defaultValue) Gets an int from a Map in a null-safe manner, using the default value if the the conversion fails.
Long	getLong(Map map, Object key, Long defaultValue) Looks up the given key in the given map, converting the result into a long, using the default value if the the conversion fails.
Long	getLong(final Map map, final Object key) Gets a Long from a Map in a null-safe manner.
long	getLongValue(final Map map, final Object key, long defaultValue) Gets a long from a Map in a null-safe manner, using the default value if the the conversion fails.
long	getLongValue(final Map map, final Object key) Gets a long from a Map in a null-safe manner.
Map	getMap(Map map, Object key, Map defaultValue) Looks up the given key in the given map, converting the result into a map, using the default value if the the conversion fails.
Object	getObject(final Map map, final Object key) Gets from a Map in a null-safe manner.
Object	getObject(Map map, Object key, Object defaultValue) Looks up the given key in the given map, converting null into the given default value.
String	getString(final Map map, final Object key) Gets a String from a Map in a null-safe manner.
String	getString(Map map, Object key, String defaultValue) Looks up the given key in the given map, converting the result into a string, using the default value if the the conversion fails.
Map	invertMap(Map map) Inverts the supplied map returning a new HashMap such that the keys of the input are swapped with the values.
Map	lazyMap(Map map, Factory factory) Returns a "lazy" map whose values will be created on demand.
Map	lazyMap(Map map, Transformer transformerFactory) Returns a "lazy" map whose values will be created on demand.
Map	putAll(Map map, Object[] array) Puts all the keys and values from the specified array into the map.
void	safeAddToMap(Map map, Object key, Object value) Protects against adding null values to a map.
Properties	toProperties(final Map map) Gets a new Properties object initialised with the values from a Map.
Map	transformedMap(Map map, Transformer keyTransformer, Transformer valueTransformer) Returns a transformed map backed by the given map.
Map	unmodifiableMap(Map map) Returns an unmodifiable map backed by the given map.
void	verbosePrint(final PrintStream out, final Object label, final Map map) Prints the given map with nice line breaks.