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Text File | 1999-05-28 | 4.1 KB | 111 lines | [TEXT/CWIE] |
- // Decoder.java
- // By Ned Etcode
- // Copyright 1995, 1996, 1997 Netscape Communications Corp. All rights reserved.
-
- package netscape.util;
-
- /** The Decoder interface describes the API through which objects decode
- * their essential state as a set of key-value pairs. Unarchiver implements
- * this API to decode the state of a graph of objects from an Archive.
- * @see Codable
- * @see Encoder
- * @see Unarchiver
- * @see Archive
- */
- public interface Decoder {
- /** Returns the version information for the class named <b>className</b>.
- * Objects can use this information to bring forward old encodings at
- * runtime.
- */
- public int versionForClassName(String className) throws CodingException;
-
- /** Decodes the boolean value associated with the string <b>key</b>.
- */
- public boolean decodeBoolean(String key) throws CodingException;
-
- /** Decodes the boolean array associated with the string <b>key</b>.
- */
- public boolean[] decodeBooleanArray(String key) throws CodingException;
-
- /** Decodes the character value associated with the string <b>key</b>.
- */
- public char decodeChar(String key) throws CodingException;
-
- /** Decodes the character array associated with the string <b>key</b>.
- */
- public char[] decodeCharArray(String key) throws CodingException;
-
- /** Decodes the byte value associated with the string <b>key</b>.
- */
- public byte decodeByte(String key) throws CodingException;
-
- /** Decodes the byte array associated with the string <b>key</b>.
- */
- public byte[] decodeByteArray(String key) throws CodingException;
-
- /** Decodes the short value associated with the string <b>key</b>.
- */
- public short decodeShort(String key) throws CodingException;
-
- /** Decodes the short array associated with the string <b>key</b>.
- */
- public short[] decodeShortArray(String key) throws CodingException;
-
- /** Decodes the integer value associated with the string <b>key</b>.
- */
- public int decodeInt(String key) throws CodingException;
-
- /** Decodes the integer array associated with the string <b>key</b>.
- */
- public int[] decodeIntArray(String key) throws CodingException;
-
- /** Decodes the long value associated with the string <b>key</b>.
- */
- public long decodeLong(String key) throws CodingException;
-
- /** Decodes the long array value associated with the string <b>key</b>.
- */
- public long[] decodeLongArray(String key) throws CodingException;
-
- /** Decodes the float value associated with the string <b>key</b>.
- */
- public float decodeFloat(String key) throws CodingException;
-
- /** Decodes the float array associated with the string <b>key</b>.
- */
- public float[] decodeFloatArray(String key) throws CodingException;
-
- /** Decodes the double value associated with the string <b>key</b>.
- */
- public double decodeDouble(String key) throws CodingException;
-
- /** Decodes the double array associated with the string <b>key</b>.
- */
- public double[] decodeDoubleArray(String key) throws CodingException;
-
- /** Decodes the string value associated with the string <b>key</b>.
- */
- public String decodeString(String key) throws CodingException;
-
- /** Decodes the string array associated with the string <b>key</b>.
- */
- public String[] decodeStringArray(String key) throws CodingException;
-
- /** Decodes a reference to another Codable object.
- */
- public Object decodeObject(String key) throws CodingException;
-
- /** Decodes an array of Codable objects. The references to the Codable
- * objects are shared, but the reference to the array is not.
- */
- public Object[] decodeObjectArray(String key) throws CodingException;
-
- /** Replaces references to the object currently being decoded with
- * <b>replacement</b>. This method throws a CodingException when an
- * attempt is made to replace an object which has already been seen
- * by other objects. For maximum safety, this method should only be
- * called from leaves of the object graph.
- */
- public void replaceObject(Object replacement) throws CodingException;
- }
-