1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
| class YZWEnumUtil {
public static <T extends enumElement<E, V>, E, V> T getCodeByValue(V value, Class<T> cla) { if (!cla.isEnum()) { throw new RuntimeException(String.format("Class: %s 不是枚举类型" , cla)); } for (T enumConstant : cla.getEnumConstants()) { if (value.equals(enumConstant.getValue())) { return enumConstant; } } return null; }
public static <T extends enumElement<E, V>, E, V> T getValueByCode(E code, Class<T> cla) { if (!cla.isEnum()) { throw new RuntimeException(String.format("Class: %s 不是枚举类型" , cla)); } for (T enumConstant : cla.getEnumConstants()) { if (code.equals(enumConstant.getCode())) { return enumConstant; } } return null; }
public static <T extends enumElement<E, V>, E, V> List<V> valueToList(Class<T> cla) { if (!cla.isEnum()) { throw new RuntimeException(String.format("Class: %s 不是枚举类型" , cla)); } List<V> list = new ArrayList<>(); for (T enumConstant : cla.getEnumConstants()) { list.add(enumConstant.getValue()); } return list; }
public static <T extends enumElement<E, V>, E, V> List<E> codeToList(Class<T> cla) { if (!cla.isEnum()) { throw new RuntimeException(String.format("Class: %s 不是枚举类型" , cla)); } List<E> list = new ArrayList<>(); for (T enumConstant : cla.getEnumConstants()) { list.add(enumConstant.getCode()); } return list; }
public static class Element<T, E, V> {
@Override public String toString() { return "{" + "label=" + label + ", code=" + code + ", value=" + value + '}'; }
private T label; private E code; private V value;
public T getLabel() { return label; }
public void setLabel(T label) { this.label = label; }
public E getCode() { return code; }
public void setCode(E code) { this.code = code; }
public V getValue() { return value; }
public void setValue(V value) { this.value = value; }
}
public static <T extends enumElement<E, V>, E, V> List<Element> enumToList(Class<T> cla) { if (!cla.isEnum()) { throw new RuntimeException(String.format("Class: %s 不是枚举类型" , cla)); } List<Element> list = new ArrayList<>(); for (T enumConstant : cla.getEnumConstants()) { Element element = new Element(); element.setLabel(enumConstant); element.setCode(enumConstant.getCode()); element.setValue(enumConstant.getValue()); list.add(element); } return list; } }
|