コード例 #1
0
 /**
  * Gets a security property value.
  *
  * <p>First, if there is a security manager, its <code>checkPermission</code> method is called
  * with a <code>java.security.SecurityPermission("getProperty."+key)</code> permission to see if
  * it's ok to retrieve the specified security property value..
  *
  * @param key the key of the property being retrieved.
  * @return the value of the security property corresponding to key.
  * @throws SecurityException if a security manager exists and its <code>{@link
  *          java.lang.SecurityManager#checkPermission}</code> method denies access to retrieve the
  *     specified security property value
  * @throws NullPointerException is key is null
  * @see #setProperty
  * @see java.security.SecurityPermission
  */
 public static String getProperty(String key) {
   SecurityManager sm = System.getSecurityManager();
   if (sm != null) {
     sm.checkPermission(new SecurityPermission("getProperty." + key));
   }
   String name = props.getProperty(key);
   if (name != null) name = name.trim(); // could be a class name with trailing ws
   return name;
 }
コード例 #2
0
 private static void check(String directive) {
   SecurityManager security = System.getSecurityManager();
   if (security != null) {
     security.checkSecurityAccess(directive);
   }
 }