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package Torello.HTML;

/**
 * This can be used to catch different types of exceptions using the same code-branch, since
 * it is the parent-class of several 'Node Expected Exceptions'.
 * 
 * <BR /><BR />A "node expected" exception means that an HTML-Page {@code Vector} contained a
 * {@code TextNode} where it expected to find {@code TagNode}, for instance.  It may also be used
 * to indicate that an "Opening Tag" was found when a "Closing Tag" was expected (or vice-versa!)
 */
public abstract class NodeExpectedException extends RuntimeException
{
    /** <EMBED CLASS="external-html" DATA-FILE-ID="SVUIDEX"> */
    public static final long serialVersionUID = 1;

    /** Constructs a {@code NodeExpectedException} with no detail message. */
    public NodeExpectedException()
    { super(); }

    /**
     * Constructs a {@code NodeExpectedException} with the specified detail message.
     * @param message the detail message.
     */
    public NodeExpectedException(String message)
    { super(message); }

    /**
     * Constructs a new exception with the specified detail message and cause.
     * <BR /><BR /><B>NOTE:</B> The detail message associated with cause is not automatically
     * incorporated in this exception's detail message.
     * @param message The detail message (which is saved for later retrieval by the
     * {@code Throwable.getMessage()} method).
     * @param cause the cause (which is saved for later retrieval by the {@code Throwable.getCause()}
     * method).  (A null value is permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public NodeExpectedException(String message, Throwable cause)
    { super(message, cause); }

    /**
     * Constructs a new exception with the specified cause and a detail message of
     * {@code (cause==null ? null : cause.toString())} (which typically contains the class and detail
     * message of cause).
     * This constructor is useful for exceptions that are little more than wrappers for other throwables.
     * @param cause The cause (which is saved for later retrieval by the {@code Throwable.getCause()}
     * method).  (A null value is permitted, and indicates that the cause is nonexistent or unknown.)
     */
    public NodeExpectedException(Throwable cause)
    { super(cause); }
}