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回答編集履歴

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2019/01/16 16:11

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test CHANGED Viewed

@@ -3,3 +3,315 @@
 可変性を高めるならプロパティファイルで設定して
+# 追記
+プログラム
+```java
+import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.Date;
+import java.util.Locale;
+import java.util.Objects;
+import java.util.ResourceBundle;
+public class GengoValid {
+    ResourceBundle bundle = ResourceBundle.getBundle("calendar");
+    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("GGGGGy");
+    SimpleDateFormat format = new SimpleDateFormat("Gy", new Locale("ja", "JP", "JP"));
+    SimpleDateFormat format2 = new SimpleDateFormat("YYYY-MM-dd");
+    {
+        format.setLenient(false);
+        format2.setLenient(false);
+    }
+    public boolean check(String test) {
+        System.out.println(format.format(new Date()));
+        try {
+            test = test.toUpperCase();
+            String g = (test.charAt(0) + "").toUpperCase();
+            Integer y = Integer.valueOf(test.substring(1));
+            String start = bundle.getString("calendars." + g + ".start");
+            String end = bundle.getString("calendars." + g + ".end");
+            Objects.requireNonNull(start);
+            LocalDate max;
+            if (end == null || end.length() == 0) {
+                max = LocalDate.now();
+            } else {
+                max = LocalDate.parse(end);
+            }
+            if (y == 1) {
+                // 元年はハードコーディング
+                return true;
+            }
+            LocalDate inp = LocalDate.parse(format2.format(format.parse(test)));
+            System.out.println(inp);
+            System.out.println(max);
+            return inp.isBefore(max) || inp.equals(max);
+        } catch (Exception e) {
+           return false;
+        }
+    }
+}
+```
+プロパティファイル
+```properties
+calendars.M.start=1868-01-01
+calendars.M.end  =1912-07-29
+calendars.T.start=1912-07-30
+calendars.T.end  =1926-12-24
+calendars.S.start=1926-12-25
+calendars.S.end  =1989-01-07
+calendars.H.start=1989-01-08
+calendars.H.end  =2019-04-30
+calendars.X.start=2019-05-01
+calendars.X.end  =
+```
+Test
+```
+import static org.junit.Assert.*;
+import org.junit.Test;
+public class GengoValidTest {
+    GengoValid valid = new GengoValid();
+    @Test
+    public void testM1() {
+        assertTrue(valid.check("M1"));
+    }
+    @Test
+    public void testM45() {
+        assertTrue(valid.check("M45"));
+    }
+    @Test
+    public void testM46() {
+        assertFalse(valid.check("M46"));
+    }
+    @Test
+    public void testT1() {
+        assertTrue(valid.check("T1"));
+    }
+    @Test
+    public void testT15() {
+        assertTrue(valid.check("T15"));
+    }
+    @Test
+    public void testT16() {
+        assertFalse(valid.check("T16"));
+    }
+    @Test
+    public void testS1() {
+        assertTrue(valid.check("S1"));
+    }
+    @Test
+    public void testS64() {
+        assertTrue(valid.check("S64"));
+    }
+    @Test
+    public void testS65() {
+        assertFalse(valid.check("S65"));
+    }
+    @Test
+    public void testH1() {
+        assertTrue(valid.check("H1"));
+    }
+    @Test
+    public void testH31() {
+        assertTrue(valid.check("H31"));
+    }
+    @Test
+    public void testH32() {
+        assertFalse(valid.check("H32"));
+    }
+}
+```