public static void parse(URL url, PrintStream statusMsgStream, AppletViewerFactory factory) throws IOException { // <OBJECT> <EMBED> tag flags boolean isAppletTag = false; boolean isObjectTag = false; boolean isEmbedTag = false; // warning messages String requiresNameWarning = amh.getMessage("parse.warning.requiresname"); String paramOutsideWarning = amh.getMessage("parse.warning.paramoutside"); String appletRequiresCodeWarning = amh.getMessage("parse.warning.applet.requirescode"); String appletRequiresHeightWarning = amh.getMessage("parse.warning.applet.requiresheight"); String appletRequiresWidthWarning = amh.getMessage("parse.warning.applet.requireswidth"); String objectRequiresCodeWarning = amh.getMessage("parse.warning.object.requirescode"); String objectRequiresHeightWarning = amh.getMessage("parse.warning.object.requiresheight"); String objectRequiresWidthWarning = amh.getMessage("parse.warning.object.requireswidth"); String embedRequiresCodeWarning = amh.getMessage("parse.warning.embed.requirescode"); String embedRequiresHeightWarning = amh.getMessage("parse.warning.embed.requiresheight"); String embedRequiresWidthWarning = amh.getMessage("parse.warning.embed.requireswidth"); String appNotLongerSupportedWarning = amh.getMessage("parse.warning.appnotLongersupported"); j86.java.net.URLConnection conn = url.openConnection(); Reader in = makeReader(conn.getInputStream()); /* The original URL may have been redirected - this * sets it to whatever URL/codebase we ended up getting */ url = conn.getURL(); int ydisp = 1; Hashtable atts = null; while (true) { c = in.read(); if (c == -1) break; if (c == '<') { c = in.read(); if (c == '/') { c = in.read(); String nm = scanIdentifier(in); if (nm.equalsIgnoreCase("applet") || nm.equalsIgnoreCase("object") || nm.equalsIgnoreCase("embed")) { // We can't test for a code tag until </OBJECT> // because it is a parameter, not an attribute. if (isObjectTag) { if (atts.get("code") == null && atts.get("object") == null) { statusMsgStream.println(objectRequiresCodeWarning); atts = null; } } if (atts != null) { // XXX 5/18 In general this code just simply // shouldn't be part of parsing. It's presence // causes things to be a little too much of a // hack. factory.createAppletViewer(x, y, url, atts); x += XDELTA; y += YDELTA; // make sure we don't go too far! Dimension d = Toolkit.getDefaultToolkit().getScreenSize(); if ((x > d.width - 300) || (y > d.height - 300)) { x = 0; y = 2 * ydisp * YDELTA; ydisp++; } } atts = null; isAppletTag = false; isObjectTag = false; isEmbedTag = false; } } else { String nm = scanIdentifier(in); if (nm.equalsIgnoreCase("param")) { Hashtable t = scanTag(in); String att = (String) t.get("name"); if (att == null) { statusMsgStream.println(requiresNameWarning); } else { String val = (String) t.get("value"); if (val == null) { statusMsgStream.println(requiresNameWarning); } else if (atts != null) { atts.put(att.toLowerCase(), val); } else { statusMsgStream.println(paramOutsideWarning); } } } else if (nm.equalsIgnoreCase("applet")) { isAppletTag = true; atts = scanTag(in); if (atts.get("code") == null && atts.get("object") == null) { statusMsgStream.println(appletRequiresCodeWarning); atts = null; } else if (atts.get("width") == null) { statusMsgStream.println(appletRequiresWidthWarning); atts = null; } else if (atts.get("height") == null) { statusMsgStream.println(appletRequiresHeightWarning); atts = null; } } else if (nm.equalsIgnoreCase("object")) { isObjectTag = true; atts = scanTag(in); // The <OBJECT> attribute codebase isn't what // we want. If its defined, remove it. if (atts.get("codebase") != null) { atts.remove("codebase"); } if (atts.get("width") == null) { statusMsgStream.println(objectRequiresWidthWarning); atts = null; } else if (atts.get("height") == null) { statusMsgStream.println(objectRequiresHeightWarning); atts = null; } } else if (nm.equalsIgnoreCase("embed")) { isEmbedTag = true; atts = scanTag(in); if (atts.get("code") == null && atts.get("object") == null) { statusMsgStream.println(embedRequiresCodeWarning); atts = null; } else if (atts.get("width") == null) { statusMsgStream.println(embedRequiresWidthWarning); atts = null; } else if (atts.get("height") == null) { statusMsgStream.println(embedRequiresHeightWarning); atts = null; } } else if (nm.equalsIgnoreCase("app")) { statusMsgStream.println(appNotLongerSupportedWarning); Hashtable atts2 = scanTag(in); nm = (String) atts2.get("class"); if (nm != null) { atts2.remove("class"); atts2.put("code", nm + ".class"); } nm = (String) atts2.get("src"); if (nm != null) { atts2.remove("src"); atts2.put("codebase", nm); } if (atts2.get("width") == null) { atts2.put("width", "100"); } if (atts2.get("height") == null) { atts2.put("height", "100"); } printTag(statusMsgStream, atts2); statusMsgStream.println(); } } } } in.close(); }
/** Handle events. */ public void processUserAction(ActionEvent evt) { String label = ((MenuItem) evt.getSource()).getLabel(); if (amh.getMessage("menuitem.restart").equals(label)) { appletRestart(); return; } if (amh.getMessage("menuitem.reload").equals(label)) { appletReload(); return; } if (amh.getMessage("menuitem.clone").equals(label)) { appletClone(); return; } if (amh.getMessage("menuitem.stop").equals(label)) { appletStop(); return; } if (amh.getMessage("menuitem.save").equals(label)) { appletSave(); return; } if (amh.getMessage("menuitem.start").equals(label)) { appletStart(); return; } if (amh.getMessage("menuitem.tag").equals(label)) { appletTag(); return; } if (amh.getMessage("menuitem.info").equals(label)) { appletInfo(); return; } if (amh.getMessage("menuitem.encoding").equals(label)) { appletCharacterEncoding(); return; } if (amh.getMessage("menuitem.edit").equals(label)) { appletEdit(); return; } if (amh.getMessage("menuitem.print").equals(label)) { appletPrint(); return; } if (amh.getMessage("menuitem.props").equals(label)) { networkProperties(); return; } if (amh.getMessage("menuitem.close").equals(label)) { appletClose(); return; } if (factory.isStandalone() && amh.getMessage("menuitem.quit").equals(label)) { appletQuit(); return; } // statusMsgStream.println("evt = " + evt); }
/** Clone the viewer and the applet. */ void appletClone() { Point p = location(); updateAtts(); factory.createAppletViewer( p.x + XDELTA, p.y + YDELTA, panel.documentURL, (Hashtable) panel.atts.clone()); }
/** Exit the program. Exit from the program (if not stand alone) - do no clean-up */ private void appletSystemExit() { if (factory.isStandalone()) System.exit(0); }
/** Create the applet viewer */ public AppletViewer( int x, int y, URL doc, Hashtable atts, PrintStream statusMsgStream, AppletViewerFactory factory) { this.factory = factory; this.statusMsgStream = statusMsgStream; setTitle(amh.getMessage("tool.title", atts.get("code"))); MenuBar mb = factory.getBaseMenuBar(); Menu m = new Menu(amh.getMessage("menu.applet")); addMenuItem(m, "menuitem.restart"); addMenuItem(m, "menuitem.reload"); addMenuItem(m, "menuitem.stop"); addMenuItem(m, "menuitem.save"); addMenuItem(m, "menuitem.start"); addMenuItem(m, "menuitem.clone"); m.add(new MenuItem("-")); addMenuItem(m, "menuitem.tag"); addMenuItem(m, "menuitem.info"); addMenuItem(m, "menuitem.edit").disable(); addMenuItem(m, "menuitem.encoding"); m.add(new MenuItem("-")); addMenuItem(m, "menuitem.print"); m.add(new MenuItem("-")); addMenuItem(m, "menuitem.props"); m.add(new MenuItem("-")); addMenuItem(m, "menuitem.close"); if (factory.isStandalone()) { addMenuItem(m, "menuitem.quit"); } mb.add(m); setMenuBar(mb); add("Center", panel = new AppletViewerPanel(doc, atts)); add("South", label = new Label(amh.getMessage("label.hello"))); panel.init(); appletPanels.addElement(panel); pack(); move(x, y); setVisible(true); WindowListener windowEventListener = new WindowAdapter() { public void windowClosing(WindowEvent evt) { appletClose(); } public void windowIconified(WindowEvent evt) { appletStop(); } public void windowDeiconified(WindowEvent evt) { appletStart(); } }; class AppletEventListener implements AppletListener { final Frame frame; public AppletEventListener(Frame frame) { this.frame = frame; } public void appletStateChanged(AppletEvent evt) { AppletPanel src = (AppletPanel) evt.getSource(); switch (evt.getID()) { case AppletPanel.APPLET_RESIZE: { if (src != null) { resize(preferredSize()); validate(); } break; } case AppletPanel.APPLET_LOADING_COMPLETED: { Applet a = src.getApplet(); // j86.sun.applet.AppletPanel // Fixed #4754451: Applet can have methods running on main // thread event queue. // // The cause of this bug is that the frame of the applet // is created in main thread group. Thus, when certain // AWT/Swing events are generated, the events will be // dispatched through the wrong event dispatch thread. // // To fix this, we rearrange the AppContext with the frame, // so the proper event queue will be looked up. // // Swing also maintains a Frame list for the AppContext, // so we will have to rearrange it as well. // if (a != null) AppletPanel.changeFrameAppContext(frame, SunToolkit.targetToAppContext(a)); else AppletPanel.changeFrameAppContext(frame, AppContext.getAppContext()); break; } } } }; addWindowListener(windowEventListener); panel.addAppletListener(new AppletEventListener(this)); // Start the applet showStatus(amh.getMessage("status.start")); initEventQueue(); }