Diff: dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/ObjectMapperUtil.java

Revision:

45:2aa9f933c8d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dcs-sdk-java-master/app/src/main/java/com/baidu/duer/dcs/util/ObjectMapperUtil.java	Tue Jul 18 16:34:48 2017 +0800
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 Baidu, Inc. All Rights Reserved.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.baidu.duer.dcs.util;
+
+import org.codehaus.jackson.map.DeserializationConfig;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.ObjectReader;
+import org.codehaus.jackson.map.ObjectWriter;
+import org.codehaus.jackson.map.SerializationConfig;
+
+import java.io.IOException;
+
+/**
+ * json序列化成对象和反序列化
+ *
+ * Created by wuruisheng on 2017/5/15.
+ */
+public class ObjectMapperUtil {
+    private static ObjectMapper objectMapper;
+
+    private static class ObjectMapperFactoryHolder {
+        private static final ObjectMapperUtil instance = new ObjectMapperUtil();
+    }
+
+    public static ObjectMapperUtil instance() {
+        return ObjectMapperFactoryHolder.instance;
+    }
+
+    private ObjectMapperUtil() {
+        objectMapper = new ObjectMapper();
+        objectMapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        objectMapper.configure(SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false);
+        objectMapper.configure(SerializationConfig.Feature.FAIL_ON_EMPTY_BEANS, false);
+    }
+
+    public ObjectReader getObjectReader() {
+        return objectMapper.reader();
+    }
+
+    public ObjectReader getObjectReader(Class<?> clazz) {
+        return objectMapper.reader().withType(clazz);
+    }
+
+    public ObjectWriter getObjectWriter() {
+        return objectMapper.writer();
+    }
+
+
+    public String objectToJson(Object obj) {
+        String result = "";
+        try {
+            result = getObjectWriter().writeValueAsString(obj);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return result;
+    }
+}
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