SClassExtension.kt 4.3 KB

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  1. /*
  2. * *********************************************************************************************************************
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  20. * .&888888I Copyright (c) 2009-2020. 博锐尚格科技股份有限公司
  21. * ~8888'
  22. * .!88~ All rights reserved.
  23. *
  24. * *********************************************************************************************************************
  25. */
  26. package com.persagy.base.extensions
  27. import com.fasterxml.jackson.annotation.JsonProperty
  28. import java.lang.reflect.Field
  29. import java.lang.reflect.Method
  30. /**
  31. * Class<*> 扩展。获得所有包含父对象的定义字段列表。
  32. *
  33. * @return 字段列表
  34. */
  35. fun Class<*>.getAllDeclaredFields(): ArrayList<Field> {
  36. val fieldList = ArrayList<Field>()
  37. var clz: Class<*>? = this
  38. // 从当前类开始依次取父类的字段列表
  39. while (clz != null) {
  40. fieldList.addAll(clz.declaredFields.toList())
  41. // 指向父类
  42. clz = clz.superclass
  43. }
  44. return fieldList
  45. }
  46. /**
  47. * Class<*> 扩展。根据名称获得所有包含父对象的定义字段。
  48. *
  49. * @param ignoreCase 是否忽略大小写,默认不忽略
  50. * @param jsonProperty 是否检测 Json 属性
  51. * @return 字段
  52. */
  53. fun Class<*>.getAllDeclaredField(name: String, ignoreCase: Boolean = false, jsonProperty: Boolean = false): Field? {
  54. val list = this.getAllDeclaredFields()
  55. return list.first {
  56. val annName = it.getAnnotation(JsonProperty::class.java)?.value
  57. it.name.equals(name, ignoreCase) || (jsonProperty && name.equals(annName, ignoreCase))
  58. }
  59. }
  60. /**
  61. * Class<*> 扩展。获得所有包含父对象的定义方法列表。
  62. *
  63. * @return 方法列表
  64. */
  65. fun Class<*>.getAllDeclaredMethods(): ArrayList<Method> {
  66. // 方法列表
  67. val methodList = ArrayList<Method>()
  68. var clz: Class<*>? = this
  69. // 从当前类开始依次取父类的方法列表
  70. while (clz != null) {
  71. methodList.addAll(clz.declaredMethods.toList())
  72. // 指向父类
  73. clz = clz.superclass
  74. }
  75. return methodList
  76. }
  77. /**
  78. * Class<*> 扩展,判断是否为基本类型
  79. *
  80. * @return 如果是则返回 true,否则返回 false
  81. */
  82. fun Class<*>.isBaseType(): Boolean {
  83. // 如果是 java 基本类型,则返回 true
  84. if (this.isPrimitive) {
  85. return true;
  86. }
  87. return String::class.java.isAssignableFrom(this) ||
  88. Boolean::class.java.isAssignableFrom(this) ||
  89. Char::class.java.isAssignableFrom(this) ||
  90. Byte::class.java.isAssignableFrom(this) ||
  91. Short::class.java.isAssignableFrom(this) ||
  92. Int::class.java.isAssignableFrom(this) ||
  93. Integer::class.java.isAssignableFrom(this) ||
  94. Long::class.java.isAssignableFrom(this) ||
  95. Float::class.java.isAssignableFrom(this) ||
  96. Double::class.java.isAssignableFrom(this) ||
  97. java.sql.Date::class.java.isAssignableFrom(this) ||
  98. java.sql.Time::class.java.isAssignableFrom(this) ||
  99. java.sql.Timestamp::class.java.isAssignableFrom(this) ||
  100. java.util.Date::class.java.isAssignableFrom(this)
  101. }