{        this.path = path;        this.perms = null;        this.codeBase = null;    }     URL getCodeBase()    {        return codeBase;    }     public void add(java.security.Permission permission) {        throw new SecurityException("attempt to add a permission");    }     private synchronized void init()    {        if (perms != null)            return;         perms = new Permissions();         // this is needed to be able to create the classloader itself!        perms.add(SecurityConstants.CREATE_CLASSLOADER_PERMISSION);         // add permission to read any "java.*" property        perms.add(new java.util.PropertyPermission("java.*",            SecurityConstants.PROPERTY_READ_ACTION));         AccessController.doPrivileged(new PrivilegedAction<Void>() {            public Void run() {                for (int i=0; i < path.length; i++) {                    File f = path[i];                    String path;                    try {                        path = f.getCanonicalPath();                    } catch (IOException ioe) {                        path = f.getAbsolutePath();                    }                    if (i == 0) {                        codeBase = Launcher.getFileURL(new File(path));                    }                    if (f.isDirectory()) {                        if (path.endsWith(File.separator)) {                            perms.add(new FilePermission(path+"-",                                SecurityConstants.FILE_READ_ACTION));                        } else {                            perms.add(new FilePermission(                                path + File.separator+"-",                                SecurityConstants.FILE_READ_ACTION));                        }                    } else {                        int endIndex = path.lastIndexOf(File.separatorChar);                        if (endIndex != -1) {                            path = path.substring(0, endIndex+1) + "-";                            perms.add(new FilePermission(path,                                SecurityConstants.FILE_READ_ACTION));                        } else {                            // XXX?                        }                    }                }                return null;            }        });    }     public boolean implies(java.security.Permission permission) {        if (perms == null)            init();        return perms.implies(permission);    }     public java.util.Enumeration<Permission> elements() {        if (perms == null)            init();        synchronized (perms) {            return perms.elements();        }    }     public String toString() {        if (perms == null)            init();        return perms.toString();    }}

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