cvs commit: jakarta-avalon/src/java/org/apache/avalon/util/thread ThreadContext.java

[donaldp]

donaldp     01/04/01 17:12:00

  Modified:    src/java/org/apache/avalon/util/thread ThreadContext.java
  Log:
  Added in javadocs and security permission check
  (Requires ThreadContext.setCurrentThreadContext RuntimePermission)
  
  Revision  Changes    Path
  1.3       +23 -6     
jakarta-avalon/src/java/org/apache/avalon/util/thread/ThreadContext.java
  
  Index: ThreadContext.java
  ===================================================================
  RCS file: 
/home/cvs/jakarta-avalon/src/java/org/apache/avalon/util/thread/ThreadContext.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- ThreadContext.java        2001/03/05 18:56:40     1.2
  +++ ThreadContext.java        2001/04/02 00:12:00     1.3
  @@ -7,10 +7,6 @@
    */
   package org.apache.avalon.util.thread;
   
  -import org.apache.avalon.Poolable;
  -import org.apache.avalon.util.pool.ObjectFactory;
  -import org.apache.avalon.util.pool.SoftResourceLimitingPool;
  -
   /**
    * To deal with *current* ThreadContext.
    *
  @@ -18,16 +14,37 @@
    */
   public final class ThreadContext
   {
  -    protected final static InheritableThreadLocal   c_context = new 
InheritableThreadLocal();
  +    private final static RuntimePermission      c_permission = 
  +        new RuntimePermission( "ThreadContext.setCurrentThreadPool" );
  +    private final static InheritableThreadLocal c_context    = new 
InheritableThreadLocal();
   
  +    /**
  +     * Retrieve thread pool associated with current thread
  +     *
  +     * @return a thread pool
  +     */
       public static ThreadPool getCurrentThreadPool()
       {
           return (ThreadPool)c_context.get();
       }
   
  +    /**
  +     * Set the thread pool that will be returned by getCurrentThreadPool() in this 
thread
  +     * and decendent threads.
  +     *
  +     * @param threadPool the new thread pool
  +     * @exception SecurityException if the caller does not have permission to set 
thread pool
  +     */
       public static void setCurrentThreadPool( final ThreadPool threadPool )
  +        throws SecurityException
       {
  -        //TODO: protect by a permission guard
  +        final SecurityManager securityManager = System.getSecurityManager();
  +
  +        if( null != securityManager ) 
  +        {
  +            securityManager.checkPermission( c_permission );
  +        }
  +
           c_context.set( threadPool );
       }
   }
  
  
  

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