重构代码；单元测试

2024-08-26 17:36:36 +08:00
parent 43e01e5595
commit 0aaa9331dc
6 changed files with 233 additions and 121 deletions
--- a/src/main/java/xyz/zhouxy/plusone/commons/time/YearQuarter.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/time/YearQuarter.java
@@ -0,0 +1,188 @@
+package xyz.zhouxy.plusone.commons.time;
+
+import java.io.Serializable;
+import java.time.LocalDate;
+import java.time.Month;
+import java.time.YearMonth;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Objects;
+
+import javax.annotation.Nonnull;
+
+import com.google.common.base.Preconditions;
+
+/**
+ * 表示年份与季度
+ * 
+ * @author zhouxy
+ */
+public final class YearQuarter implements Comparable<YearQuarter>, Serializable {
+    private static final long serialVersionUID = 3804145964419489753L;
+
+    /** 年份 */
+    private final int year;
+    /** 季度 */
+    private final Quarter quarter;
+    /** 季度开始日期 */
+    private final LocalDate firstDate;
+    /** 季度结束日期 */
+    private final LocalDate lastDate;
+
+    private YearQuarter(int year, @Nonnull Quarter quarter) {
+        Preconditions.checkNotNull(quarter, "Quarter can not be null.");
+        this.year = year;
+        this.quarter = quarter;
+        this.firstDate = quarter.firstMonthDay().atYear(year);
+        this.lastDate = quarter.lastMonthDay().atYear(year);
+    }
+
+    /**
+     * 根据指定年份与季度，创建 {@link YearQuarter} 实例
+     * 
+     * @param year 年份
+     * @param quarter 季度
+     * @return {@link YearQuarter} 实例
+     */
+    public static YearQuarter of(int year, @Nonnull Quarter quarter) {
+        return new YearQuarter(year, quarter);
+    }
+
+    /**
+     * 根据指定日期，判断日期所在的年份与季度，创建 {@link YearQuarter} 实例
+     * 
+     * @param date 日期
+     * @return {@link YearQuarter} 实例
+     */
+    public static YearQuarter of(@Nonnull LocalDate date) {
+        return new YearQuarter(date.getYear(), Quarter.fromMonth(date.getMonth()));
+    }
+
+    /**
+     * 根据指定日期，判断日期所在的年份与季度，创建 {@link YearQuarter} 实例
+     * 
+     * @param date 日期
+     * @return {@link YearQuarter} 实例
+     */
+    public static YearQuarter of(@Nonnull Date date) {
+        @SuppressWarnings("deprecation")
+        final int year = date.getYear() + 1900;
+        @SuppressWarnings("deprecation")
+        final int month = date.getMonth() + 1;
+        return of(year, Quarter.fromMonth(month));
+    }
+
+    /**
+     * 根据指定日期，判断日期所在的年份与季度，创建 {@link YearQuarter} 实例
+     * 
+     * @param date 日期
+     * @return {@link YearQuarter} 实例
+     */
+    public static YearQuarter of(Calendar date) {
+        return of(date.get(Calendar.YEAR), Quarter.fromMonth(date.get(Calendar.MONTH) + 1));
+    }
+
+    /**
+     * 根据指定年月，判断其所在的年份与季度，创建 {@link YearQuarter} 实例
+     * 
+     * @param yearMonth 年月
+     * @return {@link YearQuarter} 实例
+     */
+    public static YearQuarter of(YearMonth yearMonth) {
+        return of(yearMonth.getYear(), Quarter.fromMonth(yearMonth.getMonth()));
+    }
+
+    // Getters
+
+    public int getYear() {
+        return year;
+    }
+
+    public Quarter getQuarter() {
+        return quarter;
+    }
+
+    public YearMonth firstYearMonth() {
+        return YearMonth.of(this.year, this.quarter.firstMonth());
+    }
+
+    public Month firstMonth() {
+        return this.quarter.firstMonth();
+    }
+
+    public int firstMonthValue() {
+        return this.quarter.firstMonthValue();
+    }
+
+    public YearMonth lastYearMonth() {
+        return YearMonth.of(this.year, this.quarter.lastMonth());
+    }
+
+    public Month lastMonth() {
+        return this.quarter.lastMonth();
+    }
+
+    public int lastMonthValue() {
+        return this.quarter.lastMonthValue();
+    }
+
+    public LocalDate firstDate() {
+        return firstDate;
+    }
+
+    public LocalDate lastDate() {
+        return lastDate;
+    }
+
+    // Getters end
+
+    // hashCode & equals
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(year, quarter);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        YearQuarter other = (YearQuarter) obj;
+        return year == other.year && quarter == other.quarter;
+    }
+
+    // compareTo
+
+    @Override
+    public int compareTo(YearQuarter other) {
+        int cmp = (this.year - other.year);
+        if (cmp == 0) {
+            cmp = (this.quarter.compareTo(other.quarter));
+        }
+        return cmp;
+    }
+
+    public boolean isBefore(YearQuarter other) {
+        return this.compareTo(other) < 0;
+    }
+
+    public boolean isAfter(YearQuarter other) {
+        return this.compareTo(other) > 0;
+    }
+
+    // toString
+
+    /**
+     * 返回 {@link YearQuarter} 的字符串表示形式，如 "Q3 2024"
+     * 
+     * @return {@link YearQuarter} 的字符串表示形式
+     */
+    @Override
+    public String toString() {
+        return this.quarter.name() + " " + this.year;
+    }
+}