scriptella.util

Class PropertiesMap

java.lang.Object

scriptella.util.PropertiesMap

All Implemented Interfaces:

java.util.Map<java.lang.String,java.lang.Object>

public class PropertiesMap
extends java.lang.Object
implements java.util.Map<java.lang.String,java.lang.Object>

Represents a persistent set of properties.

This class is a replacement for Properties class.

Please note that put(String,Object) has additional semantics.

Version:

1.0

Author:

Fyodor Kupolov

Nested Class Summary

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

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

Constructor Summary

Constructors

Constructor and Description
PropertiesMap()
PropertiesMap(java.io.InputStream is) Creates a properties map from the stream.
PropertiesMap(int initialCapacity)
PropertiesMap(java.util.Map<java.lang.String,?> props)

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<java.lang.String,java.lang.Object>>	entrySet()
boolean	equals(java.lang.Object o)
java.lang.Object	get(java.lang.Object key)
int	hashCode()
boolean	isEmpty()
java.util.Set<java.lang.String>	keySet()
void	load(java.io.InputStream is) Loads properties using Properties.load(java.io.InputStream).
java.lang.Object	put(java.lang.String key, java.lang.Object value) Put the property to underlying map.
void	putAll(java.util.Map<? extends java.lang.String,? extends java.lang.Object> t)
java.lang.Object	remove(java.lang.Object key)
int	size()
java.lang.String	toString()
java.util.Collection<java.lang.Object>	values()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

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

Constructor Detail

PropertiesMap

public PropertiesMap()

PropertiesMap

public PropertiesMap(int initialCapacity)

PropertiesMap

public PropertiesMap(java.util.Map<java.lang.String,?> props)

PropertiesMap

public PropertiesMap(java.io.InputStream is)
              throws java.io.IOException

Creates a properties map from the stream.

Parameters:

is - stream to load properties from.

Throws:

java.io.IOException - if I/O error occurs

See Also:

load(java.io.InputStream)

Method Detail

size

public int size()

Specified by:

size in interface java.util.Map<java.lang.String,java.lang.Object>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<java.lang.String,java.lang.Object>

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<java.lang.String,java.lang.Object>

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<java.lang.String,java.lang.Object>

get

public java.lang.Object get(java.lang.Object key)

Specified by:

get in interface java.util.Map<java.lang.String,java.lang.Object>

put

public java.lang.Object put(java.lang.String key,
                            java.lang.Object value)

Put the property to underlying map.

The properties are immutable, i.e. if the property is already present in the map, the new value is ignored.

Specified by:

put in interface java.util.Map<java.lang.String,java.lang.Object>

Parameters:

key - property name

value - property value

Returns:

value associated with specified key, or null if there was no mapping for key.

remove

public java.lang.Object remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<java.lang.String,java.lang.Object>

putAll

public void putAll(java.util.Map<? extends java.lang.String,? extends java.lang.Object> t)

Specified by:

putAll in interface java.util.Map<java.lang.String,java.lang.Object>

clear

public void clear()

Specified by:

clear in interface java.util.Map<java.lang.String,java.lang.Object>

keySet

public java.util.Set<java.lang.String> keySet()

Specified by:

keySet in interface java.util.Map<java.lang.String,java.lang.Object>

values

public java.util.Collection<java.lang.Object> values()

Specified by:

values in interface java.util.Map<java.lang.String,java.lang.Object>

entrySet

public java.util.Set<java.util.Map.Entry<java.lang.String,java.lang.Object>> entrySet()

Specified by:

entrySet in interface java.util.Map<java.lang.String,java.lang.Object>

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Map<java.lang.String,java.lang.Object>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Map<java.lang.String,java.lang.Object>

Overrides:

hashCode in class java.lang.Object

load

public void load(java.io.InputStream is)
          throws java.io.IOException

Loads properties using Properties.load(java.io.InputStream).

Properties order is preserved

Parameters:

is - input stream with properties.

Throws:

java.io.IOException - if I/O error occurs.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object