프로퍼티 읽기 추가

src/main/java/cokr/xit/foundation/data/Property.java

@@ -1,5 +1,7 @@
 package cokr.xit.foundation.data;
 
+import java.beans.PropertyDescriptor;
+
 import org.apache.commons.beanutils.BeanUtils;
 import org.apache.commons.beanutils.PropertyUtils;
 
@@ -17,6 +19,10 @@ public class Property extends AbstractComponent {
 		return instance;
 	}
 
+	public static PropertyDescriptor descriptor(Object obj, String name) {
+		return get().getDescriptor(obj, name);
+	}
+
 	/**객체에서 지정하는 프로퍼티 값을 읽을 수 있는지 반환한다.
 	 * @param obj 객체
 	 * @param name 프로퍼티 이름
@@ -44,6 +50,10 @@ public class Property extends AbstractComponent {
 		return get().get(obj, name);
 	}
 
+	public static Object value(Object obj, String name) {
+		return get().getValue(obj, name);
+	}
+
 	/**객체에 지정하는 프로퍼티 값을 쓴다.
 	 * @param obj 객체
 	 * @param name 프로퍼티 이름
@@ -98,6 +108,16 @@ public class Property extends AbstractComponent {
 		}
 	}
 
+	public Object getValue(Object obj, String name) {
+		try {
+			return getDescriptor(obj, name)
+				.getReadMethod()
+				.invoke(obj);
+		} catch (Exception e) {
+			throw runtimeException(e);
+		}
+	}
+
 	/**객체에 지정하는 프로퍼티 값을 쓴다.
 	 * @param obj 객체
 	 * @param name 프로퍼티 이름
@@ -110,4 +130,12 @@ public class Property extends AbstractComponent {
 			throw runtimeException(e);
 		}
 	}
+
+	public PropertyDescriptor getDescriptor(Object obj, String name) {
+		try {
+			return PropertyUtils.getPropertyDescriptor(obj, name);
+		} catch (Exception e) {
+			throw runtimeException(e);
+		}
+	}
 }

src/test/java/cokr/xit/foundation/data/PropertyTest.java

@@ -0,0 +1,70 @@
+package cokr.xit.foundation.data;
+
+import java.util.List;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import lombok.Getter;
+import lombok.Setter;
+
+public class PropertyTest {
+	private TestObject testObject() {
+		TestObject obj = new TestObject();
+		obj.str = "abc";
+		obj.array = new String[]{"1", "2", "3"};
+		obj.list = List.of("a", "b", "c");
+		obj.map = Map.of("k1", "v1", "k2", "v2", "k3", "v3");
+		return obj;
+	}
+
+	@Test
+	void read() {
+		TestObject obj = testObject();
+
+		try {
+			String name = "str";
+			Object val = Property.value(obj, name);
+			System.out.println(name + " = " + val);
+
+			val = Property.value(obj, name = "array");
+			System.out.println(name + " = " + val);
+
+			val = Property.value(obj, name = "list");
+			System.out.println(name + " = " + val);
+
+			val = Property.value(obj, name = "map");
+			System.out.println(name + " = " + val);
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
+	@Test
+	void write() {
+		TestObject obj = new TestObject();
+
+		String name = "str";
+		Object val = "abc";
+		Property.write(obj, name, val);
+		System.out.println(name + ": " + Property.value(obj, name));
+
+		Property.write(obj, name = "array", val = new String[] {"1", "2", "3"});
+		System.out.println(name + ": " + Property.value(obj, name));
+
+		Property.write(obj, name = "list", val = List.of("a", "b", "c"));
+		System.out.println(name + ": " + Property.value(obj, name));
+
+		Property.write(obj, name = "map", val = Map.of("k1", "v1", "k2", "v2", "k3", "v3"));
+		System.out.println(name + ": " + Property.value(obj, name));
+	}
+
+	@Getter
+	@Setter
+	public static class TestObject {
+		private String str;
+		private String[] array;
+		private List<String> list;
+		private Map<String, String> map;
+	}
+}