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/jboss-as-7.1.1.Final/jmx/src/main/java/org/jboss/as/jmx/model/RootResourceIterator.java

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Java | 66 lines | 39 code | 6 blank | 21 comment | 6 complexity | 520290a488a31766848cedcd6ddc1eb8 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
  1. /*
  2. * JBoss, Home of Professional Open Source.
  3. * Copyright 2011, Red Hat Middleware LLC, and individual contributors
  4. * as indicated by the @author tags. See the copyright.txt file in the
  5. * distribution for a full listing of individual contributors.
  6. *
  7. * This is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU Lesser General Public License as
  9. * published by the Free Software Foundation; either version 2.1 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This software is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * Lesser General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU Lesser General Public
  18. * License along with this software; if not, write to the Free
  19. * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20. * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  21. */
  22. package org.jboss.as.jmx.model;
  23. import org.jboss.as.controller.PathAddress;
  24. import org.jboss.as.controller.PathElement;
  25. import org.jboss.as.controller.registry.Resource;
  26. import org.jboss.as.controller.registry.Resource.ResourceEntry;
  27. class RootResourceIterator<T> {
  28. private final Resource rootResource;
  29. private final ResourceAction<T> action;
  30. RootResourceIterator(final Resource rootResource, final ResourceAction<T> action) {
  31. this.rootResource = rootResource;
  32. this.action = action;
  33. }
  34. T iterate() {
  35. doIterate(rootResource, PathAddress.EMPTY_ADDRESS);
  36. return action.getResult();
  37. }
  38. private void doIterate(final Resource current, final PathAddress address) {
  39. boolean handleChildren = false;
  40. if (action != null) {
  41. handleChildren = action.onResource(address);
  42. }
  43. if (handleChildren) {
  44. for (String type : current.getChildTypes()) {
  45. if (current.hasChildren(type)) {
  46. for (ResourceEntry entry : current.getChildren(type)) {
  47. final PathElement pathElement = entry.getPathElement();
  48. final Resource child = current.getChild(pathElement);
  49. final PathAddress childAddress = address.append(pathElement);
  50. doIterate(child, childAddress);
  51. }
  52. }
  53. }
  54. }
  55. }
  56. interface ResourceAction<T> {
  57. boolean onResource(PathAddress address);
  58. T getResult();
  59. }
  60. }