org.apache.xml.security.signature

Interface NodeFilter

public interface NodeFilter

An interface to tell to the c14n if a node is included or not in the output

Method Summary

Modifier and Type	Method and Description
int	isNodeInclude(Node n) Tells if a node must be output in c14n.
int	isNodeIncludeDO(Node n, int level) Tells if a node must be output in a c14n.

Method Detail

isNodeInclude

int isNodeInclude(Node n)
           throws TransformationException

Tells if a node must be output in c14n.

Parameters:

n -

Returns:

1 if the node should be output. 0 if node must not be output, -1 if the node and all it's child must not be output.

Throws:

TransformationException

isNodeIncludeDO

int isNodeIncludeDO(Node n,
                    int level)
             throws TransformationException

Tells if a node must be output in a c14n. The caller must assured that this method is always call in document order. The implementations can use this restriction to optimize the transformation.

Parameters:

n -

level - the relative level in the tree

Returns:

1 if the node should be output. 0 if node must not be output, -1 if the node and all it's child must not be output.

Throws:

TransformationException