org.apache.tapestry.util.io
Class StringAdaptor

java.lang.Object
  org.apache.tapestry.util.io.StringAdaptor

All Implemented Interfaces:

SqueezeAdaptor

public class StringAdaptor
extends Object
implements SqueezeAdaptor

Squeezes a String (which is pretty simple, most of the time).

Author:

Howard Lewis Ship

Constructor Summary

StringAdaptor()

Method Summary

Class	getDataClass() Returns the class (or interface) which can be encoded by this adaptor.
String	getPrefix() Returns one or more characters, each of which will be a prefix for this adaptor.
String	squeeze(DataSqueezer squeezer, Object data) Converts the data object into a String.
Object	unsqueeze(DataSqueezer squeezer, String string) Strips the prefix from the string.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringAdaptor

public StringAdaptor()

Method Detail

getPrefix

public String getPrefix()

Description copied from interface: SqueezeAdaptor

Returns one or more characters, each of which will be a prefix for this adaptor.

Specified by:

getPrefix in interface SqueezeAdaptor

Returns:

The prefix for this squeezer.

getDataClass

public Class getDataClass()

Description copied from interface: SqueezeAdaptor

Returns the class (or interface) which can be encoded by this adaptor.

Specified by:

getDataClass in interface SqueezeAdaptor

Returns:

The class type that this adaptor can manage.

squeeze

public String squeeze(DataSqueezer squeezer,
                      Object data)

Description copied from interface: SqueezeAdaptor

Converts the data object into a String.

Specified by:

squeeze in interface SqueezeAdaptor

Parameters:

squeezer - The squeezer that should be used to ultimately squeeze the data.

data - The data to squeeze.

Returns:

String representation of data.

unsqueeze

public Object unsqueeze(DataSqueezer squeezer,
                        String string)

Strips the prefix from the string. This method is only invoked by the DataSqueezerImpl if the string leads with its normal prefix (an 'S').

Specified by:

unsqueeze in interface SqueezeAdaptor

Parameters:

squeezer - The squeezer to use to unsqueeze the data.

string - The string data - as was returned from SqueezeAdaptor.squeeze(org.apache.tapestry.services.DataSqueezer, Object).

Returns:

The re-constituded object representation of the string.