DomainEquals.java 5.0 KB

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  1. package com.shawn.util;
  2. import java.lang.reflect.Field;
  3. import java.lang.reflect.Method;
  4. import java.util.HashMap;
  5. import java.util.Map;
  6. import lombok.extern.apachecommons.CommonsLog;
  7. /**
  8. * 比较2个对象的值是否对等
  9. * @author wuhs
  10. */
  11. @CommonsLog
  12. public class DomainEquals {
  13. public DomainEquals() {
  14. }
  15. /**
  16. * 比较两个BEAN或MAP对象的值是否相等
  17. * 如果是BEAN与MAP对象比较时MAP中的key值应与BEAN的属性值名称相同且字段数目要一致
  18. * @param source
  19. * @param target
  20. * @return
  21. */
  22. public static boolean domainEquals(Object source, Object target) {
  23. if (source == null || target == null) {
  24. return false;
  25. }
  26. boolean rv = true;
  27. if (source instanceof Map) {
  28. rv = mapOfSrc(source, target, rv);
  29. } else {
  30. rv = classOfSrc(source, target, rv);
  31. }
  32. // log.info("THE EQUALS RESULT IS " + rv);
  33. return rv;
  34. }
  35. /**
  36. * 源目标为MAP类型时
  37. * @param source
  38. * @param target
  39. * @param rv
  40. * @return
  41. */
  42. private static boolean mapOfSrc(Object source, Object target, boolean rv) {
  43. HashMap<String, String> map = new HashMap<String, String>();
  44. map = (HashMap) source;
  45. for (String key : map.keySet()) {
  46. if (target instanceof Map) {
  47. HashMap<String, String> tarMap = new HashMap<String, String>();
  48. tarMap = (HashMap) target;
  49. if(tarMap.get(key)==null){
  50. rv = false;
  51. break;
  52. }
  53. if (!map.get(key).equals(tarMap.get(key))) {
  54. rv = false;
  55. break;
  56. }
  57. } else {
  58. String tarValue = getClassValue(target, key) == null ? "" : getClassValue(target, key).toString();
  59. if (!tarValue.equals(map.get(key))) {
  60. rv = false;
  61. break;
  62. }
  63. }
  64. }
  65. return rv;
  66. }
  67. /**
  68. * 源目标为非MAP类型时
  69. * @param source
  70. * @param target
  71. * @param rv
  72. * @return
  73. */
  74. private static boolean classOfSrc(Object source, Object target, boolean rv) {
  75. Class<?> srcClass = source.getClass();
  76. Field[] fields = srcClass.getDeclaredFields();
  77. for (Field field : fields) {
  78. String nameKey = field.getName();
  79. if (target instanceof Map) {
  80. HashMap<String, String> tarMap = new HashMap<String, String>();
  81. tarMap = (HashMap) target;
  82. String srcValue = getClassValue(source, nameKey) == null ? "" : getClassValue(source, nameKey)
  83. .toString();
  84. if(tarMap.get(nameKey)==null){
  85. rv = false;
  86. break;
  87. }
  88. if (!tarMap.get(nameKey).equals(srcValue)) {
  89. rv = false;
  90. break;
  91. }
  92. } else {
  93. String srcValue = getClassValue(source, nameKey) == null ? "" : getClassValue(source, nameKey)
  94. .toString();
  95. String tarValue = getClassValue(target, nameKey) == null ? "" : getClassValue(target, nameKey)
  96. .toString();
  97. if (!srcValue.equals(tarValue)) {
  98. rv = false;
  99. break;
  100. }
  101. }
  102. }
  103. return rv;
  104. }
  105. /**
  106. * 根据字段名称取值
  107. * @param obj
  108. * @param fieldName
  109. * @return
  110. */
  111. public static Object getClassValue(Object obj, String fieldName) {
  112. if (obj == null) {
  113. return null;
  114. }
  115. try {
  116. Class beanClass = obj.getClass();
  117. Method[] ms = beanClass.getMethods();
  118. for (int i = 0; i < ms.length; i++) {
  119. // 非get方法不取
  120. if (!ms[i].getName().startsWith("get")) {
  121. continue;
  122. }
  123. Object objValue = null;
  124. try {
  125. objValue = ms[i].invoke(obj, new Object[] {});
  126. } catch (Exception e) {
  127. log.info("反射取值出错:" + e.toString());
  128. continue;
  129. }
  130. if (objValue == null) {
  131. continue;
  132. }
  133. if (ms[i].getName().toUpperCase().equals(fieldName.toUpperCase())
  134. || ms[i].getName().substring(3).toUpperCase().equals(fieldName.toUpperCase())) {
  135. return objValue;
  136. } else if (fieldName.toUpperCase().equals("SID")
  137. && (ms[i].getName().toUpperCase().equals("ID") || ms[i].getName().substring(3).toUpperCase()
  138. .equals("ID"))) {
  139. return objValue;
  140. }
  141. }
  142. } catch (Exception e) {
  143. // logger.info("取方法出错!" + e.toString());
  144. }
  145. return null;
  146. }
  147. }