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package javax.ws.rs.core;

/**
 * Represents a URI path segment and any associated matrix parameters. When an
 * instance of this type is injected with {@link javax.ws.rs.PathParam}, the
 * value of the annotation identifies which path segment is selected and the
 * presence of an {@link javax.ws.rs.Encoded} annotation will result in an
 * instance that supplies the path and matrix parameter values in
 * URI encoded form.
 *
 * @author Paul Sandoz
 * @author Marc Hadley
 * @see UriInfo#getPathSegments
 * @see javax.ws.rs.PathParam
 * @since 1.0
 */
public interface PathSegment {

   /**
    * Get the path segment.
    * <p>
    *
    * @return the path segment
    */
   String getPath();

   /**
    * Get a map of the matrix parameters associated with the path segment.
    * The map keys are the names of the matrix parameters with any
    * percent-escaped octets decoded.
    *
    * @return the map of matrix parameters
    * @see <a href="http://www.w3.org/DesignIssues/MatrixURIs.html">Matrix URIs</a>
    */
   MultivaluedMap<String, String> getMatrixParameters();
}
