Package org.apache.commons.collections4.properties

Class PropertiesFactory.EmptyProperties

java.lang.Object

java.util.Dictionary<Object,Object>

java.util.Hashtable<Object,Object>

java.util.Properties

org.apache.commons.collections4.properties.PropertiesFactory.EmptyProperties

All Implemented Interfaces:

Serializable, Cloneable, Map<Object,Object>

Enclosing class:

PropertiesFactory

private static final class PropertiesFactory.EmptyProperties
extends Properties

Nested Class Summary

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

Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field	Description
private static final long	serialVersionUID

Fields inherited from class java.util.Properties

defaults

Constructor Summary

Constructors

Modifier	Constructor	Description
private	EmptyProperties()

Method Summary

Modifier and Type	Method	Description
void	clear()
Object	compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)
Object	computeIfAbsent(Object key, Function<? super Object,? extends Object> mappingFunction)
Object	computeIfPresent(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)
boolean	contains(Object value)
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Enumeration<Object>	elements()
Set<Map.Entry<Object,Object>>	entrySet()
boolean	equals(Object o)
void	forEach(BiConsumer<? super Object,? super Object> action)
Object	get(Object key)
Object	getOrDefault(Object key, Object defaultValue)
String	getProperty(String key)
String	getProperty(String key, String defaultValue)
int	hashCode()
boolean	isEmpty()
Enumeration<Object>	keys()
Set<Object>	keySet()
void	load(InputStream inStream)	Throws UnsupportedOperationException.
void	load(Reader reader)	Throws UnsupportedOperationException.
void	loadFromXML(InputStream in)	Throws UnsupportedOperationException.
Object	merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)
Enumeration<?>	propertyNames()
Object	put(Object key, Object value)
void	putAll(Map<? extends Object,? extends Object> t)
Object	putIfAbsent(Object key, Object value)
protected void	rehash()
Object	remove(Object key)
boolean	remove(Object key, Object value)
Object	replace(Object key, Object value)
boolean	replace(Object key, Object oldValue, Object newValue)
void	replaceAll(BiFunction<? super Object,? super Object,? extends Object> function)
void	save(OutputStream out, String comments)
Object	setProperty(String key, String value)
int	size()
Set<String>	stringPropertyNames()
String	toString()
Collection<Object>	values()

Methods inherited from class java.util.Properties

list, list, store, store, storeToXML, storeToXML

Methods inherited from class java.util.Hashtable

clone

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

Constructor Details

EmptyProperties

private EmptyProperties()

Method Details

clear

public void clear()

Specified by:

clear in interface Map<Object,Object>

Overrides:

clear in class Hashtable<Object,Object>

compute

public Object compute(Object key,
 BiFunction<? super Object,? super Object,? extends Object> remappingFunction)

Specified by:

compute in interface Map<Object,Object>

Overrides:

compute in class Hashtable<Object,Object>

computeIfAbsent

public Object computeIfAbsent(Object key,
 Function<? super Object,? extends Object> mappingFunction)

Specified by:

computeIfAbsent in interface Map<Object,Object>

Overrides:

computeIfAbsent in class Hashtable<Object,Object>

computeIfPresent

public Object computeIfPresent(Object key,
 BiFunction<? super Object,? super Object,? extends Object> remappingFunction)

Specified by:

computeIfPresent in interface Map<Object,Object>

Overrides:

computeIfPresent in class Hashtable<Object,Object>

contains

public boolean contains(Object value)

Overrides:

contains in class Hashtable<Object,Object>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<Object,Object>

Overrides:

containsKey in class Hashtable<Object,Object>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<Object,Object>

Overrides:

containsValue in class Hashtable<Object,Object>

elements

public Enumeration<Object> elements()

Overrides:

elements in class Hashtable<Object,Object>

entrySet

public Set<Map.Entry<Object,Object>> entrySet()

Specified by:

entrySet in interface Map<Object,Object>

Overrides:

entrySet in class Hashtable<Object,Object>

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<Object,Object>

Overrides:

equals in class Hashtable<Object,Object>

forEach

public void forEach(BiConsumer<? super Object,? super Object> action)

Specified by:

forEach in interface Map<Object,Object>

Overrides:

forEach in class Hashtable<Object,Object>

get

public Object get(Object key)

Specified by:

get in interface Map<Object,Object>

Overrides:

get in class Hashtable<Object,Object>

getOrDefault

public Object getOrDefault(Object key,
 Object defaultValue)

Specified by:

getOrDefault in interface Map<Object,Object>

Overrides:

getOrDefault in class Hashtable<Object,Object>

getProperty

public String getProperty(String key)

Overrides:

getProperty in class Properties

getProperty

public String getProperty(String key,
 String defaultValue)

Overrides:

getProperty in class Properties

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<Object,Object>

Overrides:

hashCode in class Hashtable<Object,Object>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<Object,Object>

Overrides:

isEmpty in class Hashtable<Object,Object>

keys

public Enumeration<Object> keys()

Overrides:

keys in class Hashtable<Object,Object>

keySet

public Set<Object> keySet()

Specified by:

keySet in interface Map<Object,Object>

Overrides:

keySet in class Hashtable<Object,Object>

load

public void load(InputStream inStream)
          throws IOException

Throws UnsupportedOperationException. Caller should use try-with-resources statement.

Overrides:

load in class Properties

Throws:

IOException

load

public void load(Reader reader)
          throws IOException

Throws UnsupportedOperationException. Caller should use try-with-resources statement.

Overrides:

load in class Properties

Throws:

IOException

loadFromXML

public void loadFromXML(InputStream in)
                 throws IOException,
InvalidPropertiesFormatException

Throws UnsupportedOperationException. Caller should use try-with-resources statement.

Overrides:

loadFromXML in class Properties

Throws:

IOException

InvalidPropertiesFormatException

merge

public Object merge(Object key,
 Object value,
 BiFunction<? super Object,? super Object,? extends Object> remappingFunction)

Specified by:

merge in interface Map<Object,Object>

Overrides:

merge in class Hashtable<Object,Object>

propertyNames

public Enumeration<?> propertyNames()

Overrides:

propertyNames in class Properties

put

public Object put(Object key,
 Object value)

Specified by:

put in interface Map<Object,Object>

Overrides:

put in class Hashtable<Object,Object>

putAll

public void putAll(Map<? extends Object,? extends Object> t)

Specified by:

putAll in interface Map<Object,Object>

Overrides:

putAll in class Hashtable<Object,Object>

putIfAbsent

public Object putIfAbsent(Object key,
 Object value)

Specified by:

putIfAbsent in interface Map<Object,Object>

Overrides:

putIfAbsent in class Hashtable<Object,Object>

rehash

protected void rehash()

Overrides:

rehash in class Hashtable<Object,Object>

remove

public Object remove(Object key)

Specified by:

remove in interface Map<Object,Object>

Overrides:

remove in class Hashtable<Object,Object>

remove

public boolean remove(Object key,
 Object value)

Specified by:

remove in interface Map<Object,Object>

Overrides:

remove in class Hashtable<Object,Object>

replace

public Object replace(Object key,
 Object value)

Specified by:

replace in interface Map<Object,Object>

Overrides:

replace in class Hashtable<Object,Object>

replace

public boolean replace(Object key,
 Object oldValue,
 Object newValue)

Specified by:

replace in interface Map<Object,Object>

Overrides:

replace in class Hashtable<Object,Object>

replaceAll

public void replaceAll(BiFunction<? super Object,? super Object,? extends Object> function)

Specified by:

replaceAll in interface Map<Object,Object>

Overrides:

replaceAll in class Hashtable<Object,Object>

save

public void save(OutputStream out,
 String comments)

Overrides:

save in class Properties

setProperty

public Object setProperty(String key,
 String value)

Overrides:

setProperty in class Properties

size

public int size()

Specified by:

size in interface Map<Object,Object>

Overrides:

size in class Hashtable<Object,Object>

stringPropertyNames

public Set<String> stringPropertyNames()

Overrides:

stringPropertyNames in class Properties

toString

public String toString()

Overrides:

toString in class Hashtable<Object,Object>

values

public Collection<Object> values()

Specified by:

values in interface Map<Object,Object>

Overrides:

values in class Hashtable<Object,Object>