org.opencms.util

Class CmsConstantMap<K,V>

java.lang.Object

org.opencms.util.CmsConstantMap<K,V>

Type Parameters:

K - the type of keys maintained by this map

V - the type of mapped values

All Implemented Interfaces:

java.util.Map<K,V>

public class CmsConstantMap<K,V>
extends java.lang.Object
implements java.util.Map<K,V>

Returns the constant Object the map was initialized with for all get(Object) calls, regardless of what the actual key is.

Since:

7.0.2

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.Map<java.lang.String,java.lang.Boolean>	CONSTANT_BOOLEAN_FALSE_MAP Constant Map that always returns Boolean.FALSE.
static java.util.Map<java.lang.String,java.lang.Boolean>	CONSTANT_BOOLEAN_TRUE_MAP Constant Map that always returns Boolean.TRUE.
static java.util.Map<java.lang.String,java.util.List<CmsJspContentAccessValueWrapper>>	CONSTANT_EMPTY_LIST_MAP Constant Map that always returns an empty list.
static java.util.Map<java.lang.String,java.lang.String>	CONSTANT_EMPTY_STRING_MAP Constant Map that always returns an empty list.

Constructor Summary

Constructors

Constructor and Description
CmsConstantMap(V constant) Creates a new constant Map.

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set<java.util.Map.Entry<K,V>>	entrySet()
boolean	equals(java.lang.Object obj)
V	get(java.lang.Object key)
int	hashCode()
boolean	isEmpty()
java.util.Set<K>	keySet()
V	put(java.lang.Object arg0, java.lang.Object arg1)
void	putAll(java.util.Map<? extends K,? extends V> arg0)
V	remove(java.lang.Object key)
int	size()
java.util.Collection<V>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Detail

CONSTANT_BOOLEAN_FALSE_MAP

public static final java.util.Map<java.lang.String,java.lang.Boolean> CONSTANT_BOOLEAN_FALSE_MAP

Constant Map that always returns Boolean.FALSE.

CONSTANT_BOOLEAN_TRUE_MAP

public static final java.util.Map<java.lang.String,java.lang.Boolean> CONSTANT_BOOLEAN_TRUE_MAP

Constant Map that always returns Boolean.TRUE.

CONSTANT_EMPTY_LIST_MAP

public static final java.util.Map<java.lang.String,java.util.List<CmsJspContentAccessValueWrapper>> CONSTANT_EMPTY_LIST_MAP

Constant Map that always returns an empty list.

CONSTANT_EMPTY_STRING_MAP

public static final java.util.Map<java.lang.String,java.lang.String> CONSTANT_EMPTY_STRING_MAP

Constant Map that always returns an empty list.

Constructor Detail

CmsConstantMap

public CmsConstantMap(V constant)

Creates a new constant Map.

Parameters:

constant - the constant to return for all get(Object) calls.

Method Detail

clear

public void clear()

Specified by:

clear in interface java.util.Map<K,V>

See Also:

Map.clear()

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<K,V>

See Also:

Map.containsKey(java.lang.Object)

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<K,V>

See Also:

Map.containsValue(java.lang.Object)

entrySet

public java.util.Set<java.util.Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface java.util.Map<K,V>

See Also:

Map.entrySet()

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in interface java.util.Map<K,V>

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(java.lang.Object)

get

public V get(java.lang.Object key)

Specified by:

get in interface java.util.Map<K,V>

See Also:

Map.get(java.lang.Object)

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Map<K,V>

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<K,V>

See Also:

Map.isEmpty()

keySet

public java.util.Set<K> keySet()

Specified by:

keySet in interface java.util.Map<K,V>

See Also:

Map.keySet()

put

public V put(java.lang.Object arg0,
             java.lang.Object arg1)

Specified by:

put in interface java.util.Map<K,V>

See Also:

Map.put(java.lang.Object, java.lang.Object)

putAll

public void putAll(java.util.Map<? extends K,? extends V> arg0)

Specified by:

putAll in interface java.util.Map<K,V>

See Also:

Map.putAll(java.util.Map)

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,V>

See Also:

Map.remove(java.lang.Object)

size

public int size()

Specified by:

size in interface java.util.Map<K,V>

See Also:

Map.size()

values

public java.util.Collection<V> values()

Specified by:

values in interface java.util.Map<K,V>

See Also:

Map.values()