javax.script
class SimpleBindings

java.lang.Object javax.script.SimpleBindings

All Implemented Interfaces:

Bindings

Most common way to construct:

SimpleBindings bindings = new SimpleBindings();

Based on 7 examples

public class SimpleBindings
extends Object
implements Bindings

A simple implementation of Bindings backed by a HashMap or some other specified Map.

SimpleBindings

public SimpleBindings()

Default constructor uses a HashMap.

SimpleBindings

public SimpleBindings(Map m)

Constructor uses an existing Map to store the values.

Parameters:

m - The Map backing this SimpleBindings.

clear

public void clear()

{@inheritDoc}

containsKey

public boolean containsKey(Object key)

Returns true if this map contains a mapping for the specified key. More formally, returns true if and only if this map contains a mapping for a key k such that (key==null ? k==null : key.equals(k)). (There can be at most one such mapping.)

Parameters:

key - key whose presence in this map is to be tested.

Returns:

true if this map contains a mapping for the specified key.

containsValue

public boolean containsValue(Object value)

{@inheritDoc}

Parameters:

value

entrySet

public Set entrySet()

{@inheritDoc}

get

public Object get(Object key)

Returns the value to which this map maps the specified key. Returns null if the map contains no mapping for this key. A return value of null does not necessarily indicate that the map contains no mapping for the key; it's also possible that the map explicitly maps the key to null. The containsKey operation may be used to distinguish these two cases.

More formally, if this map contains a mapping from a key k to a value v such that (key==null ? k==null : key.equals(k)), then this method returns v; otherwise it returns null. (There can be at most one such mapping.)

Parameters:

key - key whose associated value is to be returned.

Returns:

the value to which this map maps the specified key, or null if the map contains no mapping for this key.

isEmpty

public boolean isEmpty()

{@inheritDoc}

keySet

public Set keySet()

{@inheritDoc}

put

public Object put(String name,
                  Object value)

Sets the specified key/value in the underlying map field.

Parameters:

name - Name of value

value - Value to set.

Returns:

Previous value for the specified key. Returns null if key was previously unset.

putAll

public void putAll(Map toMerge)

putAll is implemented using Map.putAll.

Parameters:

toMerge - The Map of values to add.

remove

public Object remove(Object key)

Removes the mapping for this key from this map if it is present (optional operation). More formally, if this map contains a mapping from key k to value v such that (key==null ? k==null : key.equals(k)), that mapping is removed. (The map can contain at most one such mapping.)

Returns the value to which the map previously associated the key, or null if the map contained no mapping for this key. (A null return can also indicate that the map previously associated null with the specified key if the implementation supports null values.) The map will not contain a mapping for the specified key once the call returns.

Parameters:

key - key whose mapping is to be removed from the map.

Returns:

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

size

public int size()

{@inheritDoc}

values

public Collection values()

{@inheritDoc}