home *** CD-ROM | disk | FTP | other *** search
Java Source | 1995-08-11 | 2.0 KB | 81 lines |
- /*
- * @(#)Dict.java 1.1 95/05/11 Mary Campione
- *
- * Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * 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.
- */
-
- package java.tools.mem4;
-
- class Dict {
-
- static final int NOTFOUND = -1;
- static final int MAXENTRIES = 50;
-
- String keyArray[];
- String valueArray[];
- int numEntries;
-
- Dict() {
- keyArray = new String[MAXENTRIES];
- valueArray = new String[MAXENTRIES];
- numEntries = 0;
- }
-
- boolean addPair(String key, String value) {
- int loc;
- if ((loc = locationOf(key)) == NOTFOUND)
- if (numEntries + 1 < MAXENTRIES) {
- keyArray[numEntries] = key;
- valueArray[numEntries] = value;
- numEntries++;
- return true;
- } else {
- return false;
- }
- else {
- return changeValue(loc, value);
- }
- }
-
- String valueOf(String key) {
- int i;
- for (i = 0; i < numEntries; i++) {
- if (key.equals(keyArray[i]))
- return valueArray[i];
- }
- return key;
- }
-
- int locationOf(String key) {
- int i;
- for (i = 0; i < numEntries; i++) {
- if (key.equals(keyArray[i]))
- return i;
- }
- return NOTFOUND;
- }
-
- boolean changeValue(int loc, String newvalue) {
- if (loc >= 0 && loc < numEntries) {
- valueArray[loc] = newvalue;
- return true;
- } else {
- return false;
- }
- }
-
- }
-