org.apache.tapestry.record
Interface PersistentPropertyDataEncoder

All Known Implementing Classes:

PersistentPropertyDataEncoderImpl

public interface PersistentPropertyDataEncoder

Responsible for encoding PropertyChanges into and out of plain strings.

Since:

4.0

Author:

Howard M. Lewis Ship

Method Summary

List	decodePageChanges(String encoded) Takes a string with an encoded set of page changes, and converts it back into a list of PropertyChanges.
String	encodePageChanges(List changes) Encodes a (possibly empty) list of PropertyChanges into a string representation that can later be decoded.

Method Detail

encodePageChanges

String encodePageChanges(List changes)

Encodes a (possibly empty) list of PropertyChanges into a string representation that can later be decoded.

Parameters:

changes - List of changes to encode into a persistable form.

Returns:

encoded string (possibly empty, but not null)

decodePageChanges

List decodePageChanges(String encoded)

Takes a string with an encoded set of page changes, and converts it back into a list of PropertyChanges.

Parameters:

encoded - The data to un-encode, which should be equivalent to the same that was passed in to encodePageChanges(java.util.List).

Returns:

The decoded page data.