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34 package info.magnolia.cms.gui.dialog;
35
36 import info.magnolia.cms.beans.config.ObservedManager;
37 import info.magnolia.cms.core.Content;
38 import info.magnolia.cms.core.ItemType;
39 import info.magnolia.objectfactory.Classes;
40 import info.magnolia.objectfactory.Components;
41
42 import java.util.Iterator;
43
44 import javax.inject.Singleton;
45
46 import org.apache.commons.lang.StringUtils;
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53 @Singleton
54 public final class ControlsManager extends ObservedManager {
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58
59 private static final String DATA_CONTROL_CLASS = "class";
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64 private static final String DATA_CONTROL_NAME = "name";
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68
69 @Override
70 protected void onRegister(Content configNode) {
71 log.info("Loading dialog controls configuration from {}", configNode.getHandle());
72
73 Iterator iterator = configNode.getChildren(ItemType.CONTENTNODE).iterator();
74
75 while (iterator.hasNext()) {
76 Content controlNode = (Content) iterator.next();
77
78 log.debug("Initializing control [{}]", controlNode);
79
80 String classNodeData = controlNode.getNodeData(DATA_CONTROL_CLASS).getString();
81 String nameNodeData = controlNode.getNodeData(DATA_CONTROL_NAME).getString();
82
83 if (StringUtils.isEmpty(nameNodeData)) {
84 nameNodeData = controlNode.getName();
85 }
86
87 if (StringUtils.isEmpty(classNodeData) || StringUtils.isEmpty(nameNodeData)) {
88 log.warn("Can't add custom control with name [{}] and class [{}] specified in node [{}]", new Object[]{nameNodeData, classNodeData, controlNode.getName()});
89 continue;
90 }
91 Class controlClass = null;
92
93 try {
94 controlClass = Classes.getClassFactory().forName(classNodeData);
95 }
96 catch (ClassNotFoundException e) {
97 log.error("Failed to load dialog control with class [" + classNodeData + "]", e);
98 continue;
99 }
100
101 if (!DialogControl.class.isAssignableFrom(controlClass)) {
102 log.error("Invalid class specified for control [{}]: does not implement DialogControl", nameNodeData);
103 continue;
104 }
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106 DialogFactory.registerDialog(nameNodeData, controlClass);
107
108 }
109 }
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112
113
114 public static ControlsManager getInstance() {
115 return Components.getSingleton(ControlsManager.class);
116 }
117
118 @Override
119 protected void onClear() {
120 }
121
122 }