Package org.codehaus.groovy.ant

Class AntProjectPropertiesDelegate

java.lang.Object

java.util.Dictionary<K,V>

java.util.Hashtable<String,Object>

org.codehaus.groovy.ant.AntProjectPropertiesDelegate

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Object>

public class AntProjectPropertiesDelegate
extends Hashtable<String,Object>

Live Hashtable-style view over an Ant project's immutable properties. Mutation requests are redirected to Ant where possible and otherwise rejected.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
AntProjectPropertiesDelegate(Map<? extends String,?> t)	Creates a detached delegate initialized from the supplied map.
AntProjectPropertiesDelegate(org.apache.tools.ant.Project project)	Creates a delegate backed by the supplied Ant project.

Method Summary

Modifier and Type	Method	Description
void	clear()
Object	clone()	Returns a shallow copy of the current project properties.
boolean	contains(Object value)	Indicates whether the delegated property set contains the supplied value.
boolean	containsKey(Object key)	Indicates whether the delegated property set contains the supplied key.
boolean	containsValue(Object value)	Indicates whether the delegated property set contains the supplied value.
Enumeration<Object>	elements()	Returns an enumeration over the current property values.
Set<Map.Entry<String,Object>>	entrySet()	Returns the delegated entry-set view.
boolean	equals(Object o)	Compares this delegate with another object using the delegated property map.
Object	get(Object key)	Returns the current value of the supplied property.
int	hashCode()	Returns the hash code of the current project properties.
boolean	isEmpty()	Indicates whether the delegated property set is empty.
Enumeration<String>	keys()	Returns an enumeration over the current property names.
Set<String>	keySet()	Returns the delegated key-set view.
Object	put(String key, Object value)	Stores the supplied property value through the owning Ant project.
void	putAll(Map<? extends String,?> t)	Copies every supplied property into the owning Ant project.
Object	remove(Object key)
int	size()	Returns the number of properties currently exposed by the project.
String	toString()	Returns the string form of the delegated property map.
Collection<Object>	values()	Returns the current property values.

Methods inherited from class java.util.Hashtable

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

Methods inherited from class java.lang.Object

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

Constructor Details

AntProjectPropertiesDelegate

public AntProjectPropertiesDelegate(org.apache.tools.ant.Project project)

Creates a delegate backed by the supplied Ant project.

Parameters:

project - the project whose properties should be exposed

AntProjectPropertiesDelegate

public AntProjectPropertiesDelegate(Map<? extends String,?> t)

Creates a detached delegate initialized from the supplied map.

Parameters:

t - the initial property values

Method Details

hashCode

public int hashCode()

Returns the hash code of the current project properties.

Specified by:

hashCode in interface Map<String,Object>

Overrides:

hashCode in class Hashtable<String,Object>

Returns:

the delegated hash code

size

public int size()

Returns the number of properties currently exposed by the project.

Specified by:

size in interface Map<String,Object>

Overrides:

size in class Hashtable<String,Object>

Returns:

the property count

clear

public void clear()

Specified by:

clear in interface Map<String,Object>

Overrides:

clear in class Hashtable<String,Object>

Throws:

UnsupportedOperationException - is always thrown when this method is invoked. The Project properties are immutable.

isEmpty

public boolean isEmpty()

Indicates whether the delegated property set is empty.

Specified by:

isEmpty in interface Map<String,Object>

Overrides:

isEmpty in class Hashtable<String,Object>

Returns:

true if the project currently has no properties

clone

public Object clone()

Returns a shallow copy of the current project properties.

Overrides:

clone in class Hashtable<String,Object>

Returns:

a cloned property map

contains

public boolean contains(Object value)

Indicates whether the delegated property set contains the supplied value.

Overrides:

contains in class Hashtable<String,Object>

Parameters:

value - the value to look up

Returns:

true if the value is present

containsKey

public boolean containsKey(Object key)

Indicates whether the delegated property set contains the supplied key.

Specified by:

containsKey in interface Map<String,Object>

Overrides:

containsKey in class Hashtable<String,Object>

Parameters:

key - the property name to look up

Returns:

true if the key is present

containsValue

public boolean containsValue(Object value)

Indicates whether the delegated property set contains the supplied value.

Specified by:

containsValue in interface Map<String,Object>

Overrides:

containsValue in class Hashtable<String,Object>

Parameters:

value - the value to look up

Returns:

true if the value is present

equals

public boolean equals(Object o)

Compares this delegate with another object using the delegated property map.

Specified by:

equals in interface Map<String,Object>

Overrides:

equals in class Hashtable<String,Object>

Parameters:

o - the object to compare against

Returns:

true if both views are equal

toString

public String toString()

Returns the string form of the delegated property map.

Overrides:

toString in class Hashtable<String,Object>

Returns:

the property map as text

values

public Collection<Object> values()

Returns the current property values.

Specified by:

values in interface Map<String,Object>

Overrides:

values in class Hashtable<String,Object>

Returns:

a collection view over the values

elements

public Enumeration<Object> elements()

Returns an enumeration over the current property values.

Overrides:

elements in class Hashtable<String,Object>

Returns:

an enumeration across the delegated values

keys

public Enumeration<String> keys()

Returns an enumeration over the current property names.

Overrides:

keys in class Hashtable<String,Object>

Returns:

an enumeration across the delegated keys

putAll

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

Copies every supplied property into the owning Ant project.

Specified by:

putAll in interface Map<String,Object>

Overrides:

putAll in class Hashtable<String,Object>

Parameters:

t - the properties to add

entrySet

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

Returns the delegated entry-set view.

Specified by:

entrySet in interface Map<String,Object>

Overrides:

entrySet in class Hashtable<String,Object>

Returns:

a set view over the properties

keySet

public Set<String> keySet()

Returns the delegated key-set view.

Specified by:

keySet in interface Map<String,Object>

Overrides:

keySet in class Hashtable<String,Object>

Returns:

a set view over the property names

get

public Object get(Object key)

Returns the current value of the supplied property.

Specified by:

get in interface Map<String,Object>

Overrides:

get in class Hashtable<String,Object>

Parameters:

key - the property name to resolve

Returns:

the current value, or null if absent

remove

public Object remove(Object key)

Specified by:

remove in interface Map<String,Object>

Overrides:

remove in class Hashtable<String,Object>

Throws:

UnsupportedOperationException - is always thrown when this method is invoked. The Project properties are immutable.

put

public Object put(String key,
 Object value)

Stores the supplied property value through the owning Ant project.

Specified by:

put in interface Map<String,Object>

Overrides:

put in class Hashtable<String,Object>

Parameters:

key - the property name

value - the property value

Returns:

the previous value, or null if the property was not already present