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package org.ietf.ldap.ber.stream;

import java.util.*;
import java.io.*;

/**
 * This class is for the PrintableString type.
 * <P>See CCITT X.209.
 *
 * <pre>
 * ENCODING RULE:
 *   Primitive Definite length.
 *   tag = 0x13
 *   length = (short or long form)
 *   one or more contents octets
 * </pre>
 *
 * @version 1.0
 */
public class BERPrintableString extends BERCharacterString {

    /**
     * Constructs a printable string element containing buffer.
     * @param buffer string value
     */
    public BERPrintableString(String string) {
        m_value = string;
    }

    /**
     * Constructs a printables tring element from buffer.
     * @param buffer byte array value
     */
    public BERPrintableString(byte[] buffer) {
        super(buffer);
    }

    /**
     * Constructs a printable string element from an input stream
     * (for constructed encoding)
     * @param stream source
     * @param bytes_read array of 1 int, incremented by number of bytes read
     * @exception IOException failed to construct
     */
    public BERPrintableString(BERTagDecoder decoder, InputStream stream,
        int[] bytes_read) throws IOException {
        super(decoder,stream,bytes_read);
    }

    /**
     * Constructs a printablestring element from an input stream
     * (for primitive encoding)
     * @param stream source
     * @param bytes_read array of 1 int, incremented by number of bytes read
     * @exception IOException failed to construct
     */
    public BERPrintableString(InputStream stream, int[] bytes_read)
        throws IOException {
        super(stream,bytes_read);
    }

    /**
     * Gets the element type.
     * @return element type.
     */
    public int getType() {
        return BERElement.PRINTABLESTRING;
    }

    /**
     * Gets the string representation. Note that it prints out
     * values in decimal form.
     * @return string representation of tag.
     */
    public String toString() {
        if (m_value == null)
            return "PrintableString (null)";
        else
            return "PrintableString {" + m_value + "}";
    }
}