/**
 * Destroys subcontext with name name. The subcontext must be empty otherwise
 * ContextNotEmptyException is thrown. Once a context is destroyed, the
 * instance should not be used.
 * 
 * @param name subcontext to destroy
 * @throws NoPermissionException if this context has been destroyed.
 * @throws InvalidNameException if name is empty or is CompositeName that
 *           spans more than one naming system.
 * @throws ContextNotEmptyException if Context name is not empty.
 * @throws NameNotFoundException if subcontext with name name can not be
 *           found.
 * @throws NotContextException if name is not bound to instance of
 *           ContextImpl.
 *  
 */
public void destroySubcontext(Name name) throws NamingException {
  checkIsDestroyed();
  Name parsedName = getParsedName(name);
  if (parsedName.size() == 0 || parsedName.get(0).length() == 0) { throw new InvalidNameException(LocalizedStrings.ContextImpl_NAME_CAN_NOT_BE_EMPTY.toLocalizedString()); }
  String subContextName = parsedName.get(0);
  Object boundObject = ctxMaps.get(subContextName);
  if (boundObject == null) { throw new NameNotFoundException(LocalizedStrings.ContextImpl_NAME_0_NOT_FOUND_IN_THE_CONTEXT.toLocalizedString(subContextName)); }
  if (!(boundObject instanceof ContextImpl)) { throw new NotContextException(); }
  ContextImpl contextToDestroy = (ContextImpl) boundObject;
  if (parsedName.size() == 1) {
    // Check if the Context to be destroyed is empty. Can not destroy
    // non-empty Context.
    if (contextToDestroy.ctxMaps.size() == 0) {
      ctxMaps.remove(subContextName);
      contextToDestroy.destroyInternal();
    }
    else {
      throw new ContextNotEmptyException(LocalizedStrings.ContextImpl_CAN_NOT_DESTROY_NONEMPTY_CONTEXT.toLocalizedString());
    }
  }
  else {
    // Let the subcontext destroy the context
    ((ContextImpl) boundObject).destroySubcontext(parsedName.getSuffix(1));
  }
}
 

/**
 * Destroys subcontext with name name. The subcontext must be empty otherwise
 * ContextNotEmptyException is thrown. Once a context is destroyed, the
 * instance should not be used.
 * 
 * @param name subcontext to destroy
 * @throws NoPermissionException if this context has been destroyed.
 * @throws InvalidNameException if name is empty or is CompositeName that
 *           spans more than one naming system.
 * @throws ContextNotEmptyException if Context name is not empty.
 * @throws NameNotFoundException if subcontext with name name can not be
 *           found.
 * @throws NotContextException if name is not bound to instance of
 *           ContextImpl.
 *  
 */
public void destroySubcontext(Name name) throws NamingException {
  checkIsDestroyed();
  Name parsedName = getParsedName(name);
  if (parsedName.size() == 0 || parsedName.get(0).length() == 0) { throw new InvalidNameException(LocalizedStrings.ContextImpl_NAME_CAN_NOT_BE_EMPTY.toLocalizedString()); }
  String subContextName = parsedName.get(0);
  Object boundObject = ctxMaps.get(subContextName);
  if (boundObject == null) { throw new NameNotFoundException(LocalizedStrings.ContextImpl_NAME_0_NOT_FOUND_IN_THE_CONTEXT.toLocalizedString(subContextName)); }
  if (!(boundObject instanceof ContextImpl)) { throw new NotContextException(); }
  ContextImpl contextToDestroy = (ContextImpl) boundObject;
  if (parsedName.size() == 1) {
    // Check if the Context to be destroyed is empty. Can not destroy
    // non-empty Context.
    if (contextToDestroy.ctxMaps.size() == 0) {
      ctxMaps.remove(subContextName);
      contextToDestroy.destroyInternal();
    }
    else {
      throw new ContextNotEmptyException(LocalizedStrings.ContextImpl_CAN_NOT_DESTROY_NONEMPTY_CONTEXT.toLocalizedString());
    }
  }
  else {
    // Let the subcontext destroy the context
    ((ContextImpl) boundObject).destroySubcontext(parsedName.getSuffix(1));
  }
}
 

/**
 * Destroy the sub context.
 *
 * @param name the name.
 * @throws NamingException when a naming error occurs.
 */
@Override
public void destroySubcontext(String name) throws NamingException {
    if (name.contains("/")) {
        String[] names = name.split("/");
        DefaultInitialContext contextMap = this;
        try {
            for (int i = 0; i < names.length - 1; i++) {
                contextMap = (DefaultInitialContext) contextMap.lookup(names[i]);
            }
            contextMap.destroySubcontext(names[names.length - 1]);
        } catch (NameNotFoundException nnfe) {
            throw nnfe;
        }
    } else if (bindings.containsKey(name)) {
        if (bindings.get(name) instanceof DefaultInitialContext) {
            DefaultInitialContext subContext = (DefaultInitialContext) bindings.get(name);
            if (subContext.bindings.isEmpty()) {
                bindings.remove(name);
            } else {
                throw new ContextNotEmptyException("Context not empty: " + name);
            }
        } else {
            throw new NotContextException("Not a context: " + name);
        }
    } else {
        throw new NameNotFoundException("Unable to find name: " + name);
    }
}
 

/**
 * Test destroySubcontext method.
 *
 * @throws Exception when an error occurs.
 */
@Test
public void testDestroySubcontext2() throws Exception {
    DefaultInitialContext context = new DefaultInitialContext();
    context.createSubcontext(new CompositeName("context"));
    context.bind("context/name", 12);
    assertThrows(ContextNotEmptyException.class, () -> context.destroySubcontext("context"));
}