支持配置JSON，并自动转成相应类型

disconf-client/src/main/java/com/baidu/disconf/client/support/utils/ClassUtils.java

@@ -5,6 +5,8 @@
 import java.util.HashSet;
 import java.util.Set;
 
+import com.google.gson.Gson;
+
 /**
  * 类工具
  *
@@ -114,7 +116,7 @@ public static Object getValeByType(Class<?> type, Object value)
         }
 
         // trim
-        String dataValue = (String) value;
+        String dataValue = String.valueOf(value);
         dataValue = dataValue.trim();
 
         // process
@@ -124,15 +126,15 @@ public static Object getValeByType(Class<?> type, Object value)
         if (typeName.equals("int") || typeName.equals("java.lang.integer")) {
 
             if (value.equals("")) {
-                value = "0";
+            		return 0;
             }
 
             return Integer.valueOf(dataValue);
 
         } else if (typeName.equals("long") || typeName.equals("java.lang.long")) {
 
             if (value.equals("")) {
-                value = "0";
+            		return 0L;
             }
 
             return Long.valueOf(dataValue);
@@ -141,7 +143,7 @@ public static Object getValeByType(Class<?> type, Object value)
                 || typeName.equals("java.lang.boolean")) {
 
             if (value.equals("")) {
-                value = "false";
+            		return false;
             }
 
             return Boolean.valueOf(dataValue);
@@ -150,14 +152,26 @@ public static Object getValeByType(Class<?> type, Object value)
                 || typeName.equals("java.lang.double")) {
 
             if (value.equals("")) {
-                value = "0.0";
+            		return 0.0D;
             }
 
             return Double.valueOf(dataValue);
 
-        } else {
-
-            return value;
+        }  else if (typeName.equals("string")
+                || typeName.equals("java.lang.string")) {
+
+            return dataValue;
+        } 
+        else {
+			try {
+				// 其他类型尝试JSON解析
+				Gson gson = new Gson();
+				return gson.fromJson(value.toString(), type);
+			} catch (Exception ex) {
+				ex.printStackTrace();
+			}
+			// JSON解析异常的情况下，返回null，防止待会转换继续抛异常
+			return null;
         }
     }
 

disconf-client/src/test/java/com/baidu/disconf/client/test/support/utils/ClassUtilsTest.java

@@ -0,0 +1,42 @@
+package com.baidu.disconf.client.test.support.utils;
+
+import static org.junit.Assert.assertTrue;
+
+import java.util.List;
+import java.util.Map;
+
+import org.junit.Test;
+
+import com.baidu.disconf.client.support.utils.ClassUtils;
+
+public class ClassUtilsTest {
+
+	@SuppressWarnings("unchecked")
+	@Test
+	public void testGetValeByType() throws Exception {
+		assertTrue(ClassUtils.getValeByType(Integer.class, "10086").equals(new Integer(10086)));
+		assertTrue(ClassUtils.getValeByType(Integer.class, "").equals(new Integer(0)));
+		assertTrue(ClassUtils.getValeByType(Integer.class, 0).equals(new Integer(0)));
+		assertTrue(ClassUtils.getValeByType(Long.class, "1688").equals(new Long(1688)));
+		assertTrue(ClassUtils.getValeByType(Long.class, "").equals(new Long(0)));
+		assertTrue(ClassUtils.getValeByType(Boolean.class, "true").equals(new Boolean(true)));
+		assertTrue(ClassUtils.getValeByType(Boolean.class, "").equals(new Boolean(false)));
+		assertTrue(ClassUtils.getValeByType(Double.class, "234.4").equals(new Double(234.4)));
+		assertTrue(ClassUtils.getValeByType(Double.class, "").equals(new Double(0.0)));
+		assertTrue(ClassUtils.getValeByType(String.class, "234.4").equals(String.valueOf(234.4)));
+		List<Integer> list = (List<Integer>) ClassUtils.getValeByType(List.class, "[100,200,300]");
+		assertTrue(list.contains(new Double(100)));
+		Map<String, String> map = (Map<String, String>) ClassUtils.getValeByType(Map.class, "{\"name\":\"zxh\",\"city\":\"shenzhen\"}");
+		assertTrue(map.get("name").equals("zxh"));
+		assertTrue(ClassUtils.getValeByType(List.class, "234.4,123") == null);
+	}
+
+	@Test
+	public void testGetFieldNameByGetMethodName() {
+		assertTrue(ClassUtils.getFieldNameByGetMethodName("getOrderNo").equals("orderNo"));
+		assertTrue(ClassUtils.getFieldNameByGetMethodName("isSended").equals("sended"));
+		assertTrue(ClassUtils.getFieldNameByGetMethodName("isA").equals("a"));
+		assertTrue(ClassUtils.getFieldNameByGetMethodName("someMethod") == null);
+	}
+
+}