org.fcrepo.server.rest.param
Class AbstractParam<V>

java.lang.Object
  org.fcrepo.server.rest.param.AbstractParam<V>

Direct Known Subclasses:

DateTimeParam

public abstract class AbstractParam<V>
extends Object

An abstract class for JAX-RS parameter handlers, providing a single String constructor class for annotated QueryParams and PathParams.

Errors during parameter parsing result in a WebApplicationException with a 400 Bad Request status code.

Version:

$Id$

Author:

Coda Hale, Edwin Shin

See Also:

http://codahale.com/what-makes-jersey-interesting-parameter-classes/

Constructor Summary

AbstractParam(String param)

Method Summary

protected String	getErrorMessage(String param, Throwable e)
String	getOriginalParam() Get the original constructor parameter.
V	getValue() Get the parsed value of the param.
protected javax.ws.rs.core.Response	onError(String param, Throwable e) Generates an HTTP 400 (Bad Request)
protected abstract V	parse(String param)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

AbstractParam

public AbstractParam(String param)
              throws javax.ws.rs.WebApplicationException

Throws:

javax.ws.rs.WebApplicationException

Method Detail

getValue

public V getValue()

Get the parsed value of the param.

Returns:

the parsed value of param.

getOriginalParam

public String getOriginalParam()

Get the original constructor parameter.

Returns:

the original constructor parameter.

toString

public String toString()

Overrides:

toString in class Object

parse

protected abstract V parse(String param)
                    throws Throwable

Throws:

Throwable

onError

protected javax.ws.rs.core.Response onError(String param,
                                            Throwable e)

Generates an HTTP 400 (Bad Request)

Parameters:

param - the original parameter

e - the original error

Returns:

HTTP 400 Bad Request

getErrorMessage

protected String getErrorMessage(String param,
                                 Throwable e)