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1
24 package org.riotfamily.riot.dao.support;
25
26 import java.lang.reflect.Method  ;
27 import java.util.Collection ;
28
29 import org.riotfamily.common.beans.PropertyUtils;
30 import org.riotfamily.riot.dao.RiotDao;
31 import org.riotfamily.riot.dao.ListParams;
32 import org.springframework.beans.factory.InitializingBean;
33 import org.springframework.util.Assert;
34 import org.springframework.util.ReflectionUtils;
35
36 public class CustomDaoAdpater implements RiotDao, InitializingBean {
37
38 public static final String DEFAULT_ID_PROPERTY = "id";
39
40 private Object customDao;
41
42 private Class itemClass;
43
44 private String idProperty = DEFAULT_ID_PROPERTY;
45
46 private String listMethodName;
47
48 private String loadMethodName;
49
50 private String saveMethodName;
51
52 private String updateMethodName;
53
54 private String deleteMethodName;
55
56
57 private Class idClass;
58
59 private Method listMethod;
60
61 private Method loadMethod;
62
63 private Method saveMethod;
64
65 private Method updateMethod;
66
67 private Method deleteMethod;
68
69
70 public CustomDaoAdpater(Object customDao, Class itemClass) {
71 this.customDao = customDao;
72 this.itemClass = itemClass;
73 }
74
75 public void setIdProperty(String idProperty) {
76 this.idProperty = idProperty;
77 }
78
79 public void setListMethod(String listMethodName) {
80 this.listMethodName = listMethodName;
81 }
82
83 public void setLoadMethod(String loadMethodName) {
84 this.loadMethodName = loadMethodName;
85 }
86
87 public void setSaveMethod(String saveMethodName) {
88 this.saveMethodName = saveMethodName;
89 }
90
91 public void setUpdateMethod(String updateMethodName) {
92 this.updateMethodName = updateMethodName;
93 }
94
95 public void setDeleteMethod(String deleteMethodName) {
96 this.deleteMethodName = deleteMethodName;
97 }
98
99 public void afterPropertiesSet() throws Exception {
100 idClass = PropertyUtils.getPropertyType(itemClass, idProperty);
101 Class daoClass = customDao.getClass();
102
103 Assert.notNull(listMethodName, "A listMethod must be specified.");
104 listMethod = daoClass.getMethod(listMethodName, null);
105
106 if (loadMethodName != null) {
107 loadMethod = daoClass.getMethod(loadMethodName, new Class [] { idClass });
108 }
109 if (saveMethodName != null) {
110 saveMethod = daoClass.getMethod(saveMethodName, new Class [] { itemClass });
111 }
112
113 if (updateMethodName != null) {
114 updateMethod = daoClass.getMethod(updateMethodName, new Class [] { itemClass });
115 }
116
117 if (deleteMethodName != null) {
118 deleteMethod = daoClass.getMethod(deleteMethodName, new Class [] { itemClass });
119 }
120 }
121
122 public Class getEntityClass() {
123 return itemClass;
124 }
125
126 public Collection list(Object parent, ListParams params) {
127 return (Collection ) ReflectionUtils.invokeMethod(listMethod, customDao, null);
128 }
129
130 public String getObjectId(Object item) {
131 if (idProperty == null) {
132 return null;
133 }
134 return PropertyUtils.getPropertyAsString(item, idProperty);
135 }
136
137 public int getListSize(Object parent, ListParams params) {
138 return -1;
139 }
140
141 public Object load(String objectId) {
142 Assert.notNull(loadMethod, "A loadMethod must be specified.");
143 Object id = PropertyUtils.convert(objectId, idClass);
144 return ReflectionUtils.invokeMethod(loadMethod, customDao, new Object [] { id });
145 }
146
147 public void save(Object item, Object parent) {
148 Assert.notNull(saveMethod, "A saveMethod must be specified.");
149 ReflectionUtils.invokeMethod(saveMethod, customDao, new Object [] { item });
150 }
151
152 public void update(Object item) {
153 Assert.notNull(saveMethod, "An updateMethod must be specified.");
154 ReflectionUtils.invokeMethod(updateMethod, customDao, new Object [] { item });
155 }
156
157 public void delete(Object item, Object parent) {
158 Assert.notNull(saveMethod, "A deleteMethod must be specified.");
159 ReflectionUtils.invokeMethod(deleteMethod, customDao, new Object [] { item });
160 }
161
162 }
163 |
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