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34 package info.magnolia.module.forum.app.availability;
35
36 import info.magnolia.jcr.util.NodeUtil;
37 import info.magnolia.jcr.util.PropertyUtil;
38 import info.magnolia.jcr.util.SessionUtil;
39 import info.magnolia.module.forum.DefaultForumManager;
40 import info.magnolia.ui.api.availability.AvailabilityRule;
41 import info.magnolia.ui.vaadin.integration.jcr.JcrItemId;
42
43 import java.util.Collection;
44
45 import javax.jcr.Node;
46 import javax.jcr.RepositoryException;
47
48 import org.slf4j.Logger;
49 import org.slf4j.LoggerFactory;
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54
55 public class UnlockableRule implements AvailabilityRule {
56
57 private static final Logger log = LoggerFactory.getLogger(LockableRule.class);
58
59 @Override
60 public boolean isAvailable(Collection<?> itemIds) {
61 if (itemIds.size() > 0 && itemIds.iterator().hasNext() && itemIds.iterator().next() instanceof JcrItemId) {
62 JcrItemId jcrItemId = (JcrItemId) itemIds.iterator().next();
63 Node node = SessionUtil.getNodeByIdentifier(jcrItemId.getWorkspace(), jcrItemId.getUuid());
64 if (node != null) {
65 try {
66 if (NodeUtil.isNodeType(node, DefaultForumManager.FORUM_NODETYPE) || NodeUtil.isNodeType(node, DefaultForumManager.THREAD_NODETYPE)) {
67 return canChangeLockState(node);
68 }
69 } catch (RepositoryException e) {
70 log.warn("Error evaluating availability for node [{}], returning false: {}", NodeUtil.getPathIfPossible(node), e.getMessage());
71 }
72 }
73 }
74 return false;
75 }
76
77 protected boolean canChangeLockState(Node node) {
78 return PropertyUtil.getBoolean(node, "locked", false);
79 }
80
81
82 }