org.esa.beam.visat.actions.pgrab.model.dataprovider

Class QuicklookProvider

java.lang.Object

org.esa.beam.visat.actions.pgrab.model.dataprovider.QuicklookProvider

All Implemented Interfaces:

DataProvider

public class QuicklookProvider
extends Object
implements DataProvider

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	QuicklookProvider.QuickLookEditor

Constructor Summary

Constructors

Constructor and Description
QuicklookProvider(int maxWidth)

Method Summary

Methods

Modifier and Type	Method and Description
void	cleanUp(RepositoryEntry entry, Repository repository) Implementation should delete all stored data.
void	createData(RepositoryEntry entry, Repository repository) Implementation should create the data this DataProvider provides.
Comparator	getComparator() Returns the Comparator for the data provided by this DataProvider.
Object	getData(RepositoryEntry entry, Repository repository) Returns the data which is provided by this implementation.
TableColumn	getTableColumn() Returns a TableColumn which defines the UI representation of the provided data within a Table.
boolean	mustCreateData(RepositoryEntry entry, Repository repository) Implementation should check if the data this DataProvider provides must be created, or if it is already stored.

Methods inherited from class java.lang.Object

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

Constructor Detail

QuicklookProvider

public QuicklookProvider(int maxWidth)

Method Detail

mustCreateData

public boolean mustCreateData(RepositoryEntry entry,
                     Repository repository)

Description copied from interface: DataProvider

Implementation should check if the data this DataProvider provides must be created, or if it is already stored.

Specified by:

mustCreateData in interface DataProvider

Parameters:

entry - the entry for which the data shall be provided.

repository - the repsoitory containing the entry.

Returns:

true, if the data must be created, otherwise false.

createData

public void createData(RepositoryEntry entry,
              Repository repository)
                throws IOException

Description copied from interface: DataProvider

Implementation should create the data this DataProvider provides. Also the created should be stored for performance reasons. Created data can be stored into a PropertyMap retrieved by calling Repository.getPropertyMap() or in a directory retrieved from Repository.getStorageDir().

Specified by:

createData in interface DataProvider

Parameters:

entry - the entry for which the data shall be provided.

repository - the repository containing the entry. // todo - (from nf) for what? entry knows it repository!

Throws:

IOException - if an error occurs during creating the data.

getData

public Object getData(RepositoryEntry entry,
             Repository repository)
               throws IOException

Description copied from interface: DataProvider

Returns the data which is provided by this implementation.

Specified by:

getData in interface DataProvider

Parameters:

entry - the entry for which the data shall be provided.

repository - the repository containing the entry. // todo - (from nf) for what? entry knows it repository!

Returns:

the provided data.

Throws:

IOException - if an error occurs during providing the data.

getComparator

public Comparator getComparator()

Returns the Comparator for the data provided by this DataProvider.

Specified by:

getComparator in interface DataProvider

Returns:

the comparator.

cleanUp

public void cleanUp(RepositoryEntry entry,
           Repository repository)

Description copied from interface: DataProvider

Implementation should delete all stored data.

Specified by:

cleanUp in interface DataProvider

Parameters:

entry - the entry for which the data was provided.

repository - the repository contained the entry. // todo - (from nf) for what? entry knows it repository!

getTableColumn

public TableColumn getTableColumn()

Description copied from interface: DataProvider

Returns a TableColumn which defines the UI representation of the provided data within a Table.

Specified by:

getTableColumn in interface DataProvider

Returns:

the TableColumn.