diff options
Diffstat (limited to 'tdehtml/java/org/kde/kjas/server/KJASAppletContext.java')
| -rw-r--r-- | tdehtml/java/org/kde/kjas/server/KJASAppletContext.java | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/tdehtml/java/org/kde/kjas/server/KJASAppletContext.java b/tdehtml/java/org/kde/kjas/server/KJASAppletContext.java new file mode 100644 index 000000000..f868b7b64 --- /dev/null +++ b/tdehtml/java/org/kde/kjas/server/KJASAppletContext.java @@ -0,0 +1,473 @@ +package org.kde.kjas.server; + +import java.applet.*; +import java.util.*; +import java.net.*; +import java.awt.*; +import java.awt.event.*; +import java.io.*; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import org.kde.javascript.JSObject; + +final class KJASAuthenticator extends Authenticator { + private Hashtable authentication; + + KJASAuthenticator() { + authentication = new Hashtable(); + setDefault(this); + } + final void addURL(URL url, String user, String password, String authname) { + String key = new String(url.getProtocol() + ":" + url.getHost() + ":" + + url.getPort() + "_" + authname); + String [] auths = { user, password }; + authentication.put(key, auths); + } + final protected PasswordAuthentication getPasswordAuthentication() { + URL url; + String key = new String(getRequestingProtocol() + ":" + getRequestingHost() + ":" + getRequestingPort() + "_" + getRequestingPrompt()); + String [] auths = (String []) authentication.get(key); + if (auths != null) { + char [] pw = new char[auths[1].length()]; + auths[1].getChars(0, auths[1].length(), pw, 0); + return new PasswordAuthentication(auths[0], pw); + } + return null; + } +} + +/** + * The context in which applets live. + */ +public class KJASAppletContext implements AppletContext +{ + private Hashtable stubs; + private Hashtable images; + private Vector pendingImages; + private Hashtable streams; + private Stack jsobjects; + + private String myID; + private KJASAppletClassLoader loader; + private boolean active; + private final static KJASAuthenticator authenticator = new KJASAuthenticator(); + + /** + * Create a KJASAppletContext + */ + public KJASAppletContext( String _contextID ) + { + stubs = new Hashtable(); + images = new Hashtable(); + pendingImages = new Vector(); + streams = new Hashtable(); + jsobjects = new Stack(); + myID = _contextID; + active = true; + } + + public String getID() + { + return myID; + } + + public String getAppletID(Applet applet) + { + Enumeration e = stubs.keys(); + while ( e.hasMoreElements() ) + { + String appletID = (String) e.nextElement(); + KJASAppletStub stub = (KJASAppletStub) stubs.get(appletID); + if (stub.getApplet() == applet) + return appletID; + } + return null; + } + + public Applet getAppletById(String appletId) { + return ((KJASAppletStub) stubs.get( appletId )).getApplet(); + } + + public String getAppletName(String appletID) { + KJASAppletStub stub = (KJASAppletStub) stubs.get(appletID); + if (stub == null) + return null; + return stub.getAppletName(); + } + public void createApplet( String appletID, String name, + String className, String docBase, + String username, String password, String authname, + String codeBase, String archives, + String width, String height, + String windowName, Hashtable params ) + { + //do kludges to support mess with parameter table and + //the applet variables + String key = new String( "ARCHIVE" ); + if (params.containsKey(key)) { + String param_archive = (String)params.get(key); + if (archives == null) { + // There is no 'archive' attribute + // but a 'archive' param. fix archive list + // from param value + archives = param_archive; + } else { + // there is already an archive attribute. + // just add the value of the param to the list. + // But ignore bill$ personal archive format called + // .cab because java doesn't understand it. + if (!param_archive.toLowerCase().endsWith(".cab")) { + archives = param_archive + "," + archives; + } + } + } else if (archives != null) { + // add param if it is not present + params.put( key, archives); + } + + if( codeBase == null ) + { + key = new String( "CODEBASE" ); + if( params.containsKey( key ) ) + codeBase = (String) params.get( key ); + } + + if (username != null && !username.equals("")) { + try { + URL url = new URL(docBase); + int port = url.getPort(); + if (port < 0) + port = url.getDefaultPort(); + authenticator.addURL(new URL(url.getProtocol(), url.getHost(), port, ""), username, password, authname); + } catch (MalformedURLException muex) { + } + } + try + { + String sorted_archives = ""; + TreeSet archive_set = new TreeSet(); + if( archives != null ) + { + StringTokenizer parser = new StringTokenizer( archives, ",", false ); + while( parser.hasMoreTokens() ) + archive_set.add ( parser.nextToken().trim() ); + } + Iterator it = archive_set.iterator(); + while (it.hasNext()) + sorted_archives += (String) it.next(); + KJASAppletClassLoader loader = + KJASAppletClassLoader.getLoader( docBase, codeBase, sorted_archives ); + it = archive_set.iterator(); + while (it.hasNext()) + loader.addArchiveName( (String) it.next() ); + loader.paramsDone(); + + KJASAppletStub stub = new KJASAppletStub + ( + this, appletID, loader.getCodeBase(), + loader.getDocBase(), name, className, + new Dimension( Integer.parseInt(width), Integer.parseInt(height) ), + params, windowName, loader + ); + stubs.put( appletID, stub ); + + stub.createApplet(); + } + catch ( Exception e ) + { + Main.kjas_err( "Something bad happened in createApplet: " + e, e ); + } + } + + public void initApplet( String appletID ) + { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if( stub == null ) + { + Main.debug( "could not init and show applet: " + appletID ); + } + else + { + stub.initApplet(); + } + } + + public void destroyApplet( String appletID ) + { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + + if( stub == null ) + { + Main.debug( "could not destroy applet: " + appletID ); + } + else + { + //Main.debug( "stopping applet: " + appletID ); + stubs.remove( appletID ); + + stub.destroyApplet(); + } + } + + public void startApplet( String appletID ) + { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if( stub == null ) + { + Main.debug( "could not start applet: " + appletID ); + } + else + { + stub.startApplet(); + } + } + + public void stopApplet( String appletID ) + { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if( stub == null ) + { + Main.debug( "could not stop applet: " + appletID ); + } + else + { + stub.stopApplet(); + } + } + + public void destroy() + { + Enumeration e = stubs.elements(); + while ( e.hasMoreElements() ) + { + KJASAppletStub stub = (KJASAppletStub) e.nextElement(); + stub.destroyApplet(); + stub.loader.getJSReferencedObjects().clear(); + } + + stubs.clear(); + active = false; + } + + /*************************************************************************** + **** AppletContext interface + ***************************************************************************/ + public Applet getApplet( String appletName ) + { + if( active ) + { + Enumeration e = stubs.elements(); + while( e.hasMoreElements() ) + { + KJASAppletStub stub = (KJASAppletStub) e.nextElement(); + + if( stub.getAppletName().equals( appletName ) ) + return stub.getApplet(); + } + } + + return null; + } + + public Enumeration getApplets() + { + if( active ) + { + Vector v = new Vector(); + Enumeration e = stubs.elements(); + while( e.hasMoreElements() ) + { + KJASAppletStub stub = (KJASAppletStub) e.nextElement(); + v.add( stub.getApplet() ); + } + + return v.elements(); + } + + return null; + } + + public AudioClip getAudioClip( URL url ) + { + Main.debug( "getAudioClip, url = " + url ); + //AudioClip clip = java.applet.Applet.newAudioClip(url); + AudioClip clip = new KJASAudioClip(url); + Main.debug( "got AudioClip " + clip); + return clip; + // return new KJASSoundPlayer( myID, url ); + } + + public void addImage( String url, byte[] data ) + { + Main.debug( "addImage for url = " + url ); + images.put( url, data ); + if (Main.cacheImages) { + pendingImages.remove(url); + } + } + + public Image getImage( URL url ) + { + if( active && url != null ) + { + // directly load images using JVM + if (true) { + // Main.info("Getting image using ClassLoader:" + url); + if (loader != null) { + url = loader.findResource(url.toString()); + //Main.debug("Resulting URL:" + url); + } + Toolkit kit = Toolkit.getDefaultToolkit(); + Image img = kit.createImage(url); + return img; + } + + //check with the Web Server + String str_url = url.toString(); + Main.debug( "getImage, url = " + str_url ); + if (Main.cacheImages && images.containsKey(str_url)) { + Main.debug("Cached: url=" + str_url); + } + else + { + if (Main.cacheImages) { + if (!pendingImages.contains(str_url)) { + Main.protocol.sendGetURLDataCmd( myID, str_url ); + pendingImages.add(str_url); + } + } else { + Main.protocol.sendGetURLDataCmd( myID, str_url ); + } + while( !images.containsKey( str_url ) && active ) + { + try { Thread.sleep( 200 ); } + catch( InterruptedException e ){} + } + } + if( images.containsKey( str_url ) ) + { + byte[] data = (byte[]) images.get( str_url ); + if( data.length > 0 ) + { + Toolkit kit = Toolkit.getDefaultToolkit(); + return kit.createImage( data ); + } else return null; + } + } + + return null; + } + + public void showDocument( URL url ) + { + //Main.debug( "showDocument, url = " + url ); + + if( active && (url != null) ) + { + Main.protocol.sendShowDocumentCmd( myID, url.toString() ); + } + } + + public void showDocument( URL url, String targetFrame ) + { + //Main.debug( "showDocument, url = " + url + " targetFrame = " + targetFrame ); + + if( active && (url != null) && (targetFrame != null) ) + { + Main.protocol.sendShowDocumentCmd( myID, url.toString(), targetFrame ); + } + } + + public void showStatus( String message ) + { + if( active && (message != null) ) + { + Main.protocol.sendShowStatusCmd( myID, message ); + } + } + public boolean evaluateJavaScript(String script, String appletID, JSObject jso) { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if( active && stub != null && stub.isLoaded ()) { + if( jso != null ) { + synchronized (jsobjects) { + jsobjects.push(jso); + } + } + int [] types = { KJASAppletStub.JString }; + String [] arglist = { script }; + Main.protocol.sendJavaScriptEventCmd(myID, appletID, 0, "eval", types, arglist); + return true; + } + Main.debug( "evaluateJavaScript failure, context active:" + active + " stub:" + stub); + return false; + } + + public boolean getMember(String appletID, int callid, int objid, String name) + { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if (stub == null || !stub.isLoaded()) + return false; + return stub.getMember(callid, objid, name); + } + + public boolean putMember(String appletID, int callid, int objid, String name, String value) + { + if (name.equals("__lc_ret")) { + // special case; return value of JS script evaluation + Main.debug("putValue: applet " + name + "=" + value); + JSObject jso = null; + synchronized (jsobjects) { + if (!jsobjects.empty()) + jso = (JSObject) jsobjects.pop(); + } + if (jso == null) + return false; + jso.returnvalue = value; + try { + jso.thread.interrupt(); + } catch (SecurityException ex) {} + Main.protocol.sendPutMember( myID, callid, true ); + } + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if (stub == null || !stub.isLoaded()) + return false; + return stub.putMember(callid, objid, name, value); + } + + public Object getJSReferencedObject(Applet applet, int objid) + { + return ((KJASAppletClassLoader)(applet.getClass().getClassLoader())).getJSReferencedObjects().get(new Integer(objid)); + } + boolean callMember(String appletID, int cid, int oid, String n, java.util.List args) + { + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if (stub == null || !stub.isLoaded()) + return false; + return stub.callMember( cid, oid, n, args); + } + public void derefObject(String appletID, int objid) { + if (objid == 0) + return; // that's an applet + KJASAppletStub stub = (KJASAppletStub) stubs.get( appletID ); + if (stub == null) + return; + Hashtable jsRefs = stub.loader.getJSReferencedObjects(); + if (jsRefs.remove(new Integer(objid)) == null) + Main.debug("couldn't remove referenced object"); + } + + public void setStream(String key, InputStream stream) throws IOException { + Main.debug("setStream, key = " + key); + streams.put(key, stream); + } + public InputStream getStream(String key){ + Main.debug("getStream, key = " + key); + return (InputStream) streams.get(key); + } + public Iterator getStreamKeys() { + Main.debug("getStreamKeys"); + return streams.keySet().iterator(); + } + + +} |