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Java Source | 1995-05-15 | 2.6 KB | 105 lines |
- /*
- * @(#)ProgressEntry.java 1.3 95/05/12 Chris Warth
- *
- * 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 net;
-
- import net.www.html.URL;
-
- public class ProgressEntry {
- public static final int HTML = 0;
- public static final int IMAGE = 1;
- public static final int CLASS = 2;
- public static final int AUDIO = 3;
- public static final int OTHER = 4;
-
- public int need = 0;
- public int read = 0;
- public boolean connected = false;
-
- // Label for this entry.
- public String label;
-
- public int type;
-
- public Object key;
-
- ProgressEntry(Object o, String l, String ctype) {
- key = o;
- label = l;
- type = IMAGE;
-
- setType(l, ctype);
- }
-
-
- /*
- * Usually called when a URL is finally connected after the
- * content type is known.
- */
- public void setType(String l, String ctype) {
- if (ctype == null) {
- if (l.endsWith(".gif")) {
- type = IMAGE;
- } else if (l.endsWith(".au")) {
- type = AUDIO;
- } else if (l.endsWith(".class")) {
- type = CLASS;
- } else if (l.endsWith(".html") || l.endsWith("/")) {
- type = HTML;
- } else {
- type = OTHER;
- }
- } else if (ctype.startsWith("image")) {
- type = IMAGE;
- } else if (ctype.startsWith("audio")) {
- type = AUDIO;
- } else if (ctype == URL.content_octet) {
- type = CLASS;
- } else if (ctype.startsWith("text/html")) {
- type = HTML;
- } else {
- type = OTHER;
- }
- }
-
- public void update(int total_read, int total_need) {
- if (need == 0) {
- need = total_need;
- }
- read = total_read;
- }
-
- /*
- this returns the previous value of the connected boolean.
- typical usage as found in Progressdata is something like
- if (te.connected() == false) {
- lastchanged = i;
- setChanged();
- notifyObservers();
- }
-
- */
- public synchronized boolean connected() {
- if (!connected) {
- connected = true;
- return false;
- }
- return true;
- }
- }
-