src/share/classes/com/sun/tools/example/debug/gui/ThreadTreeTool.java

rev 1388 : 6600143: Remove another 450 unnecessary casts
Reviewed-by: alanb, iris, lmalvent, bristor, peterjones, darcy, wetmore

*** 131,143 ****
  
          // SessionListener
  
          public void sessionStart(EventObject e) {
              try {
!                 Iterator iter = runtime.allThreads().iterator();
!                 while (iter.hasNext()) {
!                     ThreadReference thread = ((ThreadReference)iter.next());
                      root.addThread(thread);
                  }
              } catch (VMDisconnectedException ee) {
                  // VM went away unexpectedly.
              } catch (NoSessionException ee) {
--- 131,141 ----
  
          // SessionListener
  
          public void sessionStart(EventObject e) {
              try {
!                 for (ThreadReference thread : runtime.allThreads()) {
                      root.addThread(thread);
                  }
              } catch (VMDisconnectedException ee) {
                  // VM went away unexpectedly.
              } catch (NoSessionException ee) {
*** 242,261 ****
                      // Ignore.  Thread will not be added.
                  }
              }
          }
  
!         private void addThread(List threadPath, ThreadReference thread) {
              int size = threadPath.size();
              if (size == 0) {
                  return;
              } else if (size == 1) {
!                 String name = (String)threadPath.get(0);
                  insertNode(name, thread);
              } else {
!                 String head = (String)threadPath.get(0);
!                 List tail = threadPath.subList(1, size);
                  ThreadTreeNode child = insertNode(head, null);
                  child.addThread(tail, thread);
              }
          }
  
--- 240,259 ----
                      // Ignore.  Thread will not be added.
                  }
              }
          }
  
!         private void addThread(List<String> threadPath, ThreadReference thread) {
              int size = threadPath.size();
              if (size == 0) {
                  return;
              } else if (size == 1) {
!                 String name = threadPath.get(0);
                  insertNode(name, thread);
              } else {
!                 String head = threadPath.get(0);
!                 List<String> tail = threadPath.subList(1, size);
                  ThreadTreeNode child = insertNode(head, null);
                  child.addThread(tail, thread);
              }
          }
  
*** 286,306 ****
              if (threadPath != null) {
                  removeThread(threadPath, thread);
              }
          }
  
!         private void removeThread(List threadPath, ThreadReference thread) {
              int size = threadPath.size();
              if (size == 0) {
                  return;
              } else if (size == 1) {
!                 String name = (String)threadPath.get(0);
                  ThreadTreeNode child = findLeafNode(thread, name);
                  treeModel.removeNodeFromParent(child);
              } else {
!                 String head = (String)threadPath.get(0);
!                 List tail = threadPath.subList(1, size);
                  ThreadTreeNode child = findInternalNode(head);
                  child.removeThread(tail, thread);
                  if (child.isThreadGroup() && child.getChildCount() < 1) {
                      // Prune non-leaf nodes with no children.
                      treeModel.removeNodeFromParent(child);
--- 284,304 ----
              if (threadPath != null) {
                  removeThread(threadPath, thread);
              }
          }
  
!         private void removeThread(List<String> threadPath, ThreadReference thread) {
              int size = threadPath.size();
              if (size == 0) {
                  return;
              } else if (size == 1) {
!                 String name = threadPath.get(0);
                  ThreadTreeNode child = findLeafNode(thread, name);
                  treeModel.removeNodeFromParent(child);
              } else {
!                 String head = threadPath.get(0);
!                 List<String> tail = threadPath.subList(1, size);
                  ThreadTreeNode child = findInternalNode(head);
                  child.removeThread(tail, thread);
                  if (child.isThreadGroup() && child.getChildCount() < 1) {
                      // Prune non-leaf nodes with no children.
                      treeModel.removeNodeFromParent(child);