com.jrefinery.report.filter
Class ResourceFileFilter

java.lang.Object
  com.jrefinery.report.filter.ResourceFileFilter

All Implemented Interfaces:

java.lang.Cloneable, DataFilter, DataSource, DataTarget, java.io.Serializable

public class ResourceFileFilter

extends java.lang.Object

implements DataFilter, java.io.Serializable

Lookup a key from a datasource using a ResourceBundle.

Filters a given datasource and uses the datasource value as key for a ResourceBundle.

Author:

Thomas Morgner

See Also:

Serialized Form

Constructor Summary

ResourceFileFilter()
Creates a new ResourceFileFilter.

Method Summary

java.lang.Object	clone() Clones this DataSource.
DataSource	getDataSource() Returns the assigned DataSource for this Target.
java.util.ResourceBundle	getResources() Gets the assigned resource bundle, or null, if no resource bundle is defined.
java.lang.Object	getValue() Returns the current value for the data source.
void	setDataSource(DataSource ds) Assigns a DataSource for this Target.
void	setResources(java.util.ResourceBundle resources) Defines a resource bundle for this filter.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceFileFilter

public ResourceFileFilter()

Creates a new ResourceFileFilter.

Method Detail

getResources

public java.util.ResourceBundle getResources()

Gets the assigned resource bundle, or null, if no resource bundle is defined.

Returns:

the defined ResourceBundle or null.

setResources

public void setResources(java.util.ResourceBundle resources)

Defines a resource bundle for this filter.

Parameters:

resources - the resource bundle used to lookup the value.

getValue

public java.lang.Object getValue()

Returns the current value for the data source. The method will return null, if no datasource or no resource bundle is defined or if the datasource's value is null.

The value read from the dataSource is looked up in the given resourcebundle using the ResourceBundle.getObject() method. If the lookup fails, null is returned.

Specified by:

getValue in interface DataSource

Returns:

the value or null, if the value could not be looked up.

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Clones this DataSource.

Specified by:

clone in interface DataSource

Returns:

the clone.

Throws:

java.lang.CloneNotSupportedException - this should never happen.

getDataSource

public DataSource getDataSource()

Returns the assigned DataSource for this Target.

Specified by:

getDataSource in interface DataTarget

Returns:

The datasource.

setDataSource

public void setDataSource(DataSource ds)

Assigns a DataSource for this Target.

Specified by:

setDataSource in interface DataTarget

Parameters:

ds - The data source.