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16 package org.kuali.rice.krad.uif.lifecycle;
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18 import org.apache.commons.lang.StringUtils;
19 import org.kuali.rice.krad.uif.UifConstants;
20 import org.kuali.rice.krad.uif.component.Component;
21 import org.kuali.rice.krad.uif.container.CollectionGroup;
22 import org.kuali.rice.krad.uif.util.ComponentUtils;
23 import org.kuali.rice.krad.uif.util.LifecycleElement;
24 import org.kuali.rice.krad.uif.util.ObjectPropertyUtils;
25 import org.kuali.rice.krad.uif.view.ViewIndex;
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27 import java.util.ArrayList;
28 import java.util.HashMap;
29 import java.util.HashSet;
30 import java.util.List;
31 import java.util.Map;
32 import java.util.Set;
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40 public class LifecycleRefreshPathBuilder {
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46 public static void processLifecycleElements() {
47 ViewIndex viewIndex = ViewLifecycle.getView().getViewIndex();
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49 Map<String, LifecycleElement> lifecycleElements = viewIndex.getLifecycleElementsByPath();
50 for (LifecycleElement lifecycleElement : lifecycleElements.values()) {
51 processLifecycleElement(lifecycleElement);
52 }
53 }
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61 protected static void processLifecycleElement(LifecycleElement element) {
62 if ((element == null) || !(element instanceof Component)) {
63 return;
64 }
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66 Component component = (Component) element;
67 if (ComponentUtils.canBeRefreshed(component) || (component instanceof CollectionGroup) ||
68 component.isForceSessionPersistence()) {
69 ViewPostMetadata viewPostMetadata = ViewLifecycle.getViewPostMetadata();
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71 ComponentPostMetadata componentPostMetadata = viewPostMetadata.getComponentPostMetadata(component.getId());
72 if (componentPostMetadata == null) {
73 componentPostMetadata = viewPostMetadata.initializeComponentPostMetadata(component);
74 }
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76 componentPostMetadata.setPath(component.getViewPath());
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78 buildRefreshPathMappings(component, componentPostMetadata);
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80 storePhasePathMapping(component, componentPostMetadata);
81 }
82 }
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93 protected static void buildRefreshPathMappings(LifecycleElement lifecycleElement,
94 ComponentPostMetadata componentPostMetadata) {
95 List<String> initializePaths = new ArrayList<String>();
96 List<String> applyModelPaths = new ArrayList<String>();
97 List<String> finalizePaths = new ArrayList<String>();
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99 String refreshElementPath = lifecycleElement.getViewPath();
100 processElementPath(refreshElementPath, initializePaths, applyModelPaths, finalizePaths, new HashSet<String>());
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102 Map<String, List<String>> refreshPathMappings = new HashMap<String, List<String>>();
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104 refreshPathMappings.put(UifConstants.ViewPhases.INITIALIZE, initializePaths);
105 refreshPathMappings.put(UifConstants.ViewPhases.APPLY_MODEL, applyModelPaths);
106 refreshPathMappings.put(UifConstants.ViewPhases.FINALIZE, finalizePaths);
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108 componentPostMetadata.setRefreshPathMappings(refreshPathMappings);
109 }
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117 protected static void storePhasePathMapping(LifecycleElement lifecycleElement,
118 ComponentPostMetadata componentPostMetadata) {
119 Map<String, String> storedPhasePathMapping = new HashMap<String, String>();
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121 String refreshElementPath = lifecycleElement.getViewPath();
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123 Map<String, String> phasePathMapping = lifecycleElement.getPhasePathMapping();
124 for (Map.Entry<String, String> phasePathEntry : phasePathMapping.entrySet()) {
125 if (!StringUtils.equals(phasePathEntry.getValue(), refreshElementPath)) {
126 storedPhasePathMapping.put(phasePathEntry.getKey(), phasePathEntry.getValue());
127 }
128 }
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130 if (!storedPhasePathMapping.isEmpty()) {
131 componentPostMetadata.setPhasePathMapping(storedPhasePathMapping);
132 }
133 }
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145 protected static void processElementPath(String path, List<String> initializePaths, List<String> applyModelPaths,
146 List<String> finalizePaths, Set<String> visitedPaths) {
147 String[] parentProperties = ObjectPropertyUtils.splitPropertyPath(path);
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149 String previousPath = null;
150 for (int i = 0; i < parentProperties.length; i++) {
151 String parentPath = parentProperties[i];
152 if (previousPath != null) {
153 parentPath = previousPath + "." + parentPath;
154 }
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156 if (!visitedPaths.contains(parentPath)) {
157 visitedPaths.add(parentPath);
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159 addElementRefreshPaths(parentPath, initializePaths, applyModelPaths, finalizePaths, visitedPaths);
160 }
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162 previousPath = parentPath;
163 }
164 }
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179 protected static void addElementRefreshPaths(String elementPath, List<String> initializePaths,
180 List<String> applyModelPaths, List<String> finalizePaths, Set<String> visitedPaths) {
181 LifecycleElement lifecycleElement = ViewLifecycle.getView().getViewIndex().getLifecycleElementByPath(
182 elementPath);
183 if (lifecycleElement == null) {
184 return;
185 }
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187 Map<String, String> phasePathMapping = lifecycleElement.getPhasePathMapping();
188 for (Map.Entry<String, String> phasePathEntry : phasePathMapping.entrySet()) {
189 String refreshPath = phasePathEntry.getValue();
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191 if (StringUtils.equals(elementPath, refreshPath)) {
192 addElementRefreshPath(refreshPath, phasePathEntry.getKey(), initializePaths, applyModelPaths,
193 finalizePaths);
194 } else {
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196 processElementPath(refreshPath, initializePaths, applyModelPaths, finalizePaths, visitedPaths);
197 }
198 }
199 }
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210 protected static void addElementRefreshPath(String path, String phase, List<String> initializePaths,
211 List<String> applyModelPaths, List<String> finalizePaths) {
212 if (UifConstants.ViewPhases.INITIALIZE.equals(phase)) {
213 initializePaths.add(path);
214 } else if (UifConstants.ViewPhases.APPLY_MODEL.equals(phase)) {
215 applyModelPaths.add(path);
216 } else if (UifConstants.ViewPhases.FINALIZE.equals(phase)) {
217 finalizePaths.add(path);
218 }
219 }
220
221 }