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34 package info.magnolia.ui.mediaeditor.action.availability;
35
36 import info.magnolia.objectfactory.ComponentProvider;
37 import info.magnolia.ui.api.availability.AvailabilityDefinition;
38 import info.magnolia.ui.api.availability.AvailabilityRule;
39 import info.magnolia.ui.api.availability.AvailabilityRuleDefinition;
40
41 import javax.inject.Inject;
42
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
45
46
47
48
49 public class MediaEditorAvailabilityChecker {
50
51 private static Logger log = LoggerFactory.getLogger(MediaEditorAvailabilityChecker.class);
52
53 private final ComponentProvider componentProvider;
54
55 @Inject
56 public MediaEditorAvailabilityChecker(ComponentProvider componentProvider) {
57 this.componentProvider = componentProvider;
58 }
59
60 public boolean isAvailable(AvailabilityDefinition definition) {
61 for (AvailabilityRuleDefinition availabilityRuleDefinition : definition.getRules()) {
62 AvailabilityRule availabilityRule = createAvailabilityRule(availabilityRuleDefinition);
63 if (availabilityRule instanceof AbstractMediaEditorAvailabilityRule) {
64 if (!((AbstractMediaEditorAvailabilityRule) availabilityRule).isAvailable()) {
65 return false;
66 }
67 } else {
68 log.debug("AvailabilityRule is not instance of info.magnolia.ui.mediaeditor.action.availability.AbstractMediaEditorAvailabilityRule. AvailabilityRule instance is {}. Ignoring this rule.", availabilityRule.getClass());
69 }
70
71 }
72 return true;
73 }
74
75 private AvailabilityRule createAvailabilityRule(AvailabilityRuleDefinition availabilityRuleDefinition) {
76 return componentProvider.newInstance(availabilityRuleDefinition.getImplementationClass(), availabilityRuleDefinition);
77 }
78
79
80 }