com.sqewd.open.dal.reflect.test.AnnotationTest.java Source code

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Here is the source code for com.sqewd.open.dal.reflect.test.AnnotationTest.java

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/**
 * Copyright 2012 Subho Ghosh (subho.ghosh at outlook dot com)
 *
 * 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.
 * 
 * @filename AnnotationTest.java
 * @created Aug 24, 2012
 * @author subhagho
 *
 */
package com.sqewd.open.dal.reflect.test;

import java.lang.reflect.Field;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonRootName;
import com.sqewd.open.dal.core.reflect.EntityClassLoader;

/**
 * @author subhagho
 * 
 *         TODO: <comment>
 * 
 */
public class AnnotationTest {

    public void run() {
        try {
            EntityClassLoader loader = new EntityClassLoader();
            loader.loadClass("com.sqewd.open.dal.reflect.test.TestEntity");

            Class.forName("com.sqewd.open.dal.reflect.test.TestEntity");
            TestEntity entity = new TestEntity();

            JsonRootName re = entity.getClass().getAnnotation(JsonRootName.class);
            if (re != null) {
                System.out.println("ROOT : " + re.value());
            }
            Field[] fields = entity.getClass().getDeclaredFields();
            if (fields != null && fields.length > 0) {
                for (Field fd : fields) {
                    if (fd.isAnnotationPresent(JsonProperty.class)) {
                        JsonProperty attr = fd.getAnnotation(JsonProperty.class);
                        System.out.println("Field : " + fd.getName() + " --> " + attr.value());
                    }
                }
            }
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        new AnnotationTest().run();
    }
}