org.opensaml.util.resource
Class PropertyReplacementResourceFilter

java.lang.Object
  org.opensaml.util.resource.PropertyReplacementResourceFilter

All Implemented Interfaces:

ResourceFilter

public class PropertyReplacementResourceFilter
extends Object
implements ResourceFilter

A resource filter that buffers a resource into a string and replaces instance of macros with properties read from a file. Macros are of the syntax '${MACRO_NAME}', the same syntax used within the Java Expression Language. The property file is read at invocation of this filter. The InputStream should be a character stream as InputStreamReader will be used to convert the stream into a string.

Constructor Summary

PropertyReplacementResourceFilter(File propertyFile)
Constructor.

Method Summary

InputStream

applyFilter(InputStream resource) Applies this filter to the given stream.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyReplacementResourceFilter

public PropertyReplacementResourceFilter(File propertyFile)

Constructor.

Parameters:

propertyFile - property file whose properties will be expanded within the resource

Method Detail

applyFilter

public InputStream applyFilter(InputStream resource)
                        throws ResourceException

Applies this filter to the given stream.

Specified by:

applyFilter in interface ResourceFilter

Parameters:

resource - Resource to which the filter should apply.

Returns:

filtered stream

Throws:

ResourceException - thrown is there if a problem applying the filter