org.pentaho.reporting.libraries.xmlns.common

Class AttributeMap<T>

java.lang.Object

org.pentaho.reporting.libraries.xmlns.common.AttributeMap<T>

All Implemented Interfaces:

Serializable, Cloneable

public class AttributeMap<T>
extends Object
implements Serializable, Cloneable

A attribute map holding <namespace;name>-value pairs.

Author:

Thomas Morgner

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AttributeMap.DualKey

Constructor Summary

Constructors

Constructor and Description
AttributeMap() Default constructor.
AttributeMap(AttributeMap copy) Creates a new attribute map using the given parameter as source for the initial values.

Method Summary

Modifier and Type	Method and Description
void	clear()
AttributeMap<T>	clone() Creates a copy of this map.
boolean	equals(Object o)
T	getAttribute(String namespace, String attribute) Returns the attribute value for the given namespace and attribute-name.
Map<String,T>	getAttributes(String namespace) Returns all attributes of the given namespace as unmodifiable map.
T	getFirstAttribute(String attribute) Looks up all namespaces and returns the value from the first namespace that has this attribute defined.
String[]	getNames(String namespace) Returns all names for the given namespace that have values in this map.
String[]	getNameSpaces() Returns all namespaces that have values in this map.
int	hashCode()
Set<AttributeMap.DualKey>	keySet()
void	putAll(AttributeMap<T> attributeMap)
T	setAttribute(String namespace, String attribute, T value) Defines the attribute for the given namespace and attribute name.
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

AttributeMap

public AttributeMap()

Default constructor.

AttributeMap

public AttributeMap(AttributeMap copy)

Creates a new attribute map using the given parameter as source for the initial values.

Parameters:

copy - the attribute map that should be copied.

Method Detail

clone

public AttributeMap<T> clone()

Creates a copy of this map.

Overrides:

clone in class Object

Returns:

the clone.

setAttribute

public T setAttribute(String namespace,
                      String attribute,
                      T value)

Defines the attribute for the given namespace and attribute name.

Parameters:

namespace - the namespace under which the value should be stored.

attribute - the attribute name under which the value should be stored within the namespace.

value - the value.

Returns:

the previously stored value at that position.

getAttribute

public T getAttribute(String namespace,
                      String attribute)

Returns the attribute value for the given namespace and attribute-name.

Parameters:

namespace - the namespace.

attribute - the attribute name.

Returns:

the value or null, if there is no such namespace/attribute name combination.

getFirstAttribute

public T getFirstAttribute(String attribute)

Looks up all namespaces and returns the value from the first namespace that has this attribute defined. As the order of the namespaces is not defined, this returns a random value and the namespace used is undefined if more than one namespace contains the same attribute.

Parameters:

attribute - the the attribute name.

Returns:

the object from the first namespace that carries this attribute or null, if none of the namespaces has such an attribute defined.

getAttributes

public Map<String,T> getAttributes(String namespace)

Returns all attributes of the given namespace as unmodifiable map.

Parameters:

namespace - the namespace for which the attributes should be returned.

Returns:

the map, never null.

getNames

public String[] getNames(String namespace)

Returns all names for the given namespace that have values in this map.

Parameters:

namespace - the namespace for which known attribute names should be looked up.

Returns:

the names stored for the given namespace.

keySet

public Set<AttributeMap.DualKey> keySet()

getNameSpaces

public String[] getNameSpaces()

Returns all namespaces that have values in this map.

Returns:

the namespaces stored in this map.

putAll

public void putAll(AttributeMap<T> attributeMap)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

clear

public void clear()