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Java Source | 1997-05-20 | 1.5 KB | 53 lines |
- /*
- * @(#)Checksum.java 1.7 96/11/23
- *
- * Copyright (c) 1995, 1996 Sun Microsystems, Inc. All Rights Reserved.
- *
- * This software is the confidential and proprietary information of Sun
- * Microsystems, Inc. ("Confidential Information"). You shall not
- * disclose such Confidential Information and shall use it only in
- * accordance with the terms of the license agreement you entered into
- * with Sun.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
- * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
- * THIS SOFTWARE OR ITS DERIVATIVES.
- *
- * CopyrightVersion 1.1_beta
- *
- */
-
- package java.util.zip;
-
- /**
- * An interface representing a data checksum.
- *
- * @version 1.7, 11/23/96
- * @author David Connelly
- */
- public
- interface Checksum {
- /**
- * Updates the current checksum with the specified byte.
- */
- public void update(int b);
-
- /**
- * Updates the current checksum with the specified array of bytes.
- */
- public void update(byte[] b, int off, int len);
-
- /**
- * Returns the current checksum value.
- */
- public long getValue();
-
- /**
- * Resets the checksum to its initial value.
- */
- public void reset();
- }
-