json比较

阅读更多

package com.sinoeyes.pilotrun;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.ObjectUtils;

import net.sf.json.JSONArray;
import net.sf.json.JSONObject;


public class ComplateJson {

	/**
	 *
	 * @Title: compare
	 * @Description: TODO(这里用一句话描述这个方法的作用)
	 * @param @param obj1
	 * @param @param obj2
	 * @param @param diffs    设定文件
	 * @return void    返回类型
	 * @throws
	 */
	@SuppressWarnings("rawtypes")
	public static void compare(JSONObject obj1, JSONObject obj2, List diffs) {
		String message = "字符串差异：字段【%s】，值【%s】!=【%s】";
		String lostField = "缺失字段:【%s】";
		String lostJson = "json对象差异：【%s】";
		Iterator iter1 = obj1.keys();

		while (iter1.hasNext()) {
			Object key = iter1.next();
			if (obj2.containsKey(key)) {
				Object value = obj2.get(key);
				if (value instanceof String) {
					boolean ret = ObjectUtils.notEqual(obj1.get(key), obj2.get(key));
					if (ret) {
						diffs.add(String.format(message, key, obj1.get(key), obj2.get(key)));
					}
				} else if (value instanceof JSONArray) {
					JSONArray array1 = (JSONArray) obj1.get(key);
					JSONArray array2 = (JSONArray) obj2.get(key);
					for (int i = 0; i < array1.size(); i++) {
						JSONObject o1 = (JSONObject) array1.get(i);
						// 遍历obj2
						boolean result = false;
						for (int j = 0; j < array2.size(); j++) {
							JSONObject o2 = (JSONObject) array2.get(j);
							ArrayList subDiff = new ArrayList<>();
							compare(o1, o2, subDiff);
							if (subDiff.isEmpty()) {
								result = true;
								break;
							}
						}
						if (!result) {
							diffs.add(String.format(lostJson, o1.toString()));
						}
					}
				} else if (value instanceof JSONObject) {
					JSONObject o1 = (JSONObject) obj1.get(key);
					JSONObject o2 = (JSONObject) obj2.get(key);
					compare(o1, o2, diffs);
				}
			} else {
				diffs.add(String.format(lostField, key));
			}
		}
	}

	public static void main(String[] args) {

		try {
//			String path1 = "D:\\99_TEMP\\sample1.json";
//			String path2 = "D:\\99_TEMP\\sample2.json";
//			String path1 = "D:\\99_TEMP\\sample1 - 副本.json";
//			String path2 = "D:\\99_TEMP\\sample2 - 副本.json";
			String path1 = "D:\\99_TEMP\\left.json";
			String path2 = "D:\\99_TEMP\\right.json";
			File file1 = new File(path1);
			File file2 = new File(path2);
			String str1 = FileUtils.readFileToString(file1);
			String str2 = FileUtils.readFileToString(file2);

			JSONObject json1 = JSONObject.fromObject(str1);
			JSONObject json2 = JSONObject.fromObject(str2);

			List list = new ArrayList();
			compare(json1, json2, list);

			for (String str : list) {
				System.out.println(str);
			}
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}