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package com.sun.org.apache.xml.internal.security.signature;

import org.w3c.dom.Node;


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

Author:raul
/**
 * An interface to tell to the c14n if a node is included or not in the output
 * @author raul
 *
 */
public interface NodeFilter {
        
Tells if a node must be outputed in c14n.

Params:
  • n – 
Returns:1 if the node should be outputed.
                0 if node must not be outputed,
               -1 if the node and all it's child must not be output.
/**
         * Tells if a node must be outputed in c14n.
         * @param n
         * @return 1 if the node should be outputed.
         *                 0 if node must not be outputed,
         *                -1 if the node and all it's child must not be output.
         *
         */
        public int isNodeInclude(Node n);
        
Tells if a node must be outputed 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.

Params:
  • n – 
  • level – the relative level in the tree
Returns:1 if the node should be outputed.
                0 if node must not be outputed,
               -1 if the node and all it's child must not be output.
/**
         * Tells if a node must be outputed 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.
         * @param n
         * @param level the relative level in the tree
         * @return 1 if the node should be outputed.
         *                 0 if node must not be outputed,
         *                -1 if the node and all it's child must not be output.
         */
        public int isNodeIncludeDO(Node n, int level);

}