Examples of org.w3c.util.ObservableProperties

org.w3c.util.ObservableProperties
An enhanced property class that provides support to monitor changes. This class extends the basic properties class of Java, by providing monitoring support. It also provides more type conversion. @see PropertyMonitoring

  // tk, 1 February 2004,
  // added optional client authentication,
  // which is forced, if a truststore is configured and
  // the org.w3c.jigsaw.ssl.authenticate is not set to false
  if (serversocket instanceof SSLServerSocket) {
      ObservableProperties props = daemon.getProperties();
        
        // decide client authentication based on trust configuration
      boolean mandatory;
      mandatory = props.getBoolean(SSLProperties.MUST_AUTHENTICATE_P,
           false);
      boolean generic;
      generic = props.getBoolean(SSLProperties.TRUSTSTORE_GENERIC_P,
               false);
      String trust;
      trust = props.getString(SSLProperties.TRUSTSTORE_PATH_P,
            null);
      
      boolean authenticate = mandatory||generic||
                       ((null != trust)&&(trust.length() > 0));

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     */
    public void initialize(httpd server) {
        super.initialize(server);
        daemon = server;
        daemon.registerPropertySet(new SSLProperties(daemon));
        ObservableProperties props = daemon.getProperties();
  
        try {
            
      // Providers or protocols are switched by default
      // in a compatible way as postulated by the JDK 1.4 policies
      String provider;
      provider = props.getString(SSLProperties.SECURITY_PROVIDER_P,
               (supportsOptionalClientAuth ? null :
             SSLProperties.DEFAULT_SECURITY_PROVIDER));
      addProvider(provider);
      
      String handler = props.getString(SSLProperties.PROTOCOL_HANDLER_P,
            (supportsOptionalClientAuth ? null :
              SSLProperties.DEFAULT_PROTOCOL_HANDLER));
      setHandler(handler);
      
      context = createContext(props);
      
      String bindAddrName = props.getString(BINDADDR_P, null);
      if (bindAddrName != null) {
    try {
        bindAddr = InetAddress.getByName(bindAddrName);
    } catch (Exception ex) {
        bindAddr = null;
    }
      } else {
    bindAddr = null;
      }
      
      maxClients = props.getInteger(MAXCLIENTS_P, MAXCLIENTS);
      
        } catch (Exception ex) {
      String mes;
      mes = "Unable to initialize secure socket provider";
      daemon.fatal(ex, mes);

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     * @return true if and only if the modification has been handled 
     * successfully
     */
    public boolean propertyChanged(String name) {
        if (super.propertyChanged(name)) {
      ObservableProperties props = daemon.getProperties();
      
      try {
    if (name.equals(MAXCLIENTS_P)) {
                    int newmax = props.getInteger(MAXCLIENTS_P, -1);
                    if (newmax > maxClients) {
      for (int i = maxClients-newmax; --i >= 0; ) {
          addClient(true);
      }
                    } else if (newmax > 0) {
      maxClients = newmax;
                    }
                    return true;
    } else if (name.equals(BINDADDR_P)) {
        bindAddr = InetAddress.getByName(
      props.getString(BINDADDR_P, null));
        return true;
    } else if ((name.equals(SSLProperties.KEYSTORE_GENERIC_P)) ||
         (name.equals(SSLProperties.KEYSTORE_PATH_P)) ||
         (name.equals(SSLProperties.KEYSTORE_TYPE_P)) ||
         (name.equals(SSLProperties.KEYSTORE_PASSWORD_P)) ||

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    public ResourceReference createDefaultResource(String name) {
  throw new RuntimeException("static container");
    }  


    protected void saveProperties() {
  ObservableProperties props = server.getProperties();
  File propfile = new File(props.getString(httpd.PROPS_P, null));
  // Did we guessed were the place to save the property file ?
  if ( propfile == null) {
      throw new RuntimeException("Unable to save properties: property "+
               httpd.PROPS_P+" undefined.");
  } else {

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  if (getPageCompileProps() == null ) {
      synchronized (this.getClass()) {
    httpd s = (httpd) getServer();
    if ( s != null ) {
        // Register the property sheet if not done yet:
        ObservableProperties props = s.getProperties() ;
        s.registerPropertySet(new PageCompileProp(s));
    }
      }
  }
  File generatedClassDir =

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     */


    public ObservableProperties loadPropertySpace(String id, InputStream in)
  throws IOException
    {
  ObservableProperties p = (ObservableProperties) propspace.get(id);
  if ( p == null ) {
      p = new ObservableProperties(globprops);
      propspace.put(id, p);
  }
  p.load(in);
  return p;
    }

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    public ObservableProperties loadPropertySpace(String id)
  throws IOException, FileNotFoundException
    {
  File                 file = new File(configdir, id+".props");
  ObservableProperties p    = null;
  p = loadPropertySpace(id, (new BufferedInputStream
           (new FileInputStream(file))));
  p.put(org.w3c.jigsaw.http.httpd.PROPS_P, file.getAbsolutePath());
  return p;
    }

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     * @exception ServerHandlerInitException thrown if initialization fails
     */
    public void initializeProperties() 
        throws ServerHandlerInitException 
    {
        ObservableProperties props = daemon.getProperties();
        // default to well-known factory if applicable        
        if (props.getBoolean(SSLProperties.SSL_ENABLED_P, true)) {
            String factory_class = props.getString(httpd.CLIENT_FACTORY_P,
               null);
            if (null != factory_class) {
                try {
        Class factory = Class.forName(factory_class);
        ssl_enabled =

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    public HttpSession getSession() {
  return getSession(true);
    }


    protected String getCookieName() {
   ObservableProperties props =
       request.getClient().getServer().getProperties();
   return props.getString(ServletProps.SERVLET_COOKIE_NAME,
        ServletProps.DEFAULT_COOKIE_NAME);
    }

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    && (vias != null && vias.length > 5)) {  
    // maybe a loop, let's try to sort it out with an expensive
    // checking on IPs
    String hostaddr;
    
    ObservableProperties props = getServer().getProperties();
    hostaddr = props.getString(SocketClientFactory.BINDADDR_P,
             default_hostaddr);
    if (requrl != null) {
        InetAddress targhost;
        String reqhostaddr;

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