net.dpml.lang
Class AntlibStrategy

java.lang.Object
  net.dpml.lang.Strategy
      net.dpml.lang.AntlibStrategy

All Implemented Interfaces:

Comparable<Strategy>

public class AntlibStrategy
extends Strategy

Simple resource deployment strategy.

Version:

2.0.2

Author:

Digital Product Management Laboratory

Constructor Summary

AntlibStrategy(ClassLoader classloader, String urn, String path)
Creation of resource datatype.

Method Summary

void	encode(Buffer buffer, String key) Encode the resource strategy to XML.
boolean	equals(Object other) Test if this instance is equal to the supplied instance.
<T> T	getContentForClass(Class<T> c) Return the part content or null if the result type is unresolvable relative to the supplied classes argument.
<T> T	getInstance(Class<T> type) Instantiate a value.
String	getName() Return the strategy name.
String	getPath() Get the resource path.
int	getPriority() Return the strategy priority.
String	getURN() Get the resource urn.
int	hashCode() Get the hashcode for this instance.
void	initialize(ServiceRegistry registry) Strategy initialization (not used).
boolean	isaCandidate(Class<?> type) Return true if the strategy is a candidate for the supplied class.

Methods inherited from class net.dpml.lang.Strategy

compareTo, getClassLoader, load, load, load

Methods inherited from class java.lang.Object

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

Constructor Detail

AntlibStrategy

public AntlibStrategy(ClassLoader classloader,
                      String urn,
                      String path)
               throws IOException

Creation of resource datatype.

Parameters:

classloader - the classloader

urn - the resource urn

path - the resource path

Throws:

IOException - if an I/O error occurs

Method Detail

getName

public String getName()

Return the strategy name.

Specified by:

getName in class Strategy

Returns:

the name

getPriority

public int getPriority()

Return the strategy priority.

Specified by:

getPriority in class Strategy

Returns:

the priority value

getContentForClass

public <T> T getContentForClass(Class<T> c)
                     throws IOException

Return the part content or null if the result type is unresolvable relative to the supplied classes argument. Class arguments recognized over an above plugin include the URL and String classes. If the URL class is supplied a URL referencing the resource identified by path is returned. If a String is requested the urn value is returned.

Specified by:

getContentForClass in class Strategy

Parameters:

c - the content class

Returns:

the content

Throws:

IOException - if an IO error occurs

getURN

public String getURN()

Get the resource urn.

Returns:

the urn

getPath

public String getPath()

Get the resource path.

Returns:

the path

isaCandidate

public boolean isaCandidate(Class<?> type)

Return true if the strategy is a candidate for the supplied class. This calss will always throw a UnsupportedOperationException (anltib support is not applicable).

Specified by:

isaCandidate in class Strategy

Parameters:

type - a service type

Returns:

the supported status flag

initialize

public void initialize(ServiceRegistry registry)

Strategy initialization (not used).

Specified by:

initialize in class Strategy

Parameters:

registry - a service registry

getInstance

public <T> T getInstance(Class<T> type)

Instantiate a value.

Specified by:

getInstance in class Strategy

Parameters:

type - the return type

Returns:

the resolved instance

encode

public void encode(Buffer buffer,
                   String key)
            throws IOException

Encode the resource strategy to XML.

Specified by:

encode in class Strategy

Parameters:

buffer - the output buffer

key - the key

Throws:

IOException - if an I/O error occurs

equals

public boolean equals(Object other)

Test if this instance is equal to the supplied instance.

Overrides:

equals in class Object

Parameters:

other - the supplied instance

Returns:

the equality status

hashCode

public int hashCode()

Get the hashcode for this instance.

Overrides:

hashCode in class Object

Returns:

the hash value