将无效Json转为有效的方法

时间:2015-08-06 10:22:00

标签: java json

我正在使用SonicWall路由器开展项目。我从中得到的回答是json格式。我没有解析它们等问题,但似乎有一种情况,SW将返回一个无效的json作为响应。这是一个例子:

{
    "success": false,
    "reboot_required": false,
    "status": [
        {
            "cli": [
                { "command": [ { "token": "no" }, { "token": "nat-policy" }, { "token": "id", "error": true }, { "token": "10", "error": true } ] },
                { "command": [ { "token": "end" } ] }
            ],
            "info": [
                 { "type": "error", "code": "CLI_E_NOT_FOUND", "message": "Nat Policy not found.
" }
            ]
        }
    ]
}

请注意,邮件未正确关闭但更改了一行?这会导致以下parsingException:

Exception in thread "main" javax.json.stream.JsonParsingException: Unexpected char 13 at (line no=11, column no=97, offset=447)
    at org.glassfish.json.JsonTokenizer.unexpectedChar(JsonTokenizer.java:532)
    at org.glassfish.json.JsonTokenizer.readString(JsonTokenizer.java:189)
    at org.glassfish.json.JsonTokenizer.nextToken(JsonTokenizer.java:376)
    at org.glassfish.json.JsonParserImpl$ObjectContext.getNextEvent(JsonParserImpl.java:261)
    at org.glassfish.json.JsonParserImpl$StateIterator.next(JsonParserImpl.java:172)
    at org.glassfish.json.JsonParserImpl.next(JsonParserImpl.java:149)
    at org.glassfish.json.JsonReaderImpl.readObject(JsonReaderImpl.java:177)
    at org.glassfish.json.JsonReaderImpl.readArray(JsonReaderImpl.java:143)
    at org.glassfish.json.JsonReaderImpl.readObject(JsonReaderImpl.java:180)
    at org.glassfish.json.JsonReaderImpl.readArray(JsonReaderImpl.java:143)
    at org.glassfish.json.JsonReaderImpl.readObject(JsonReaderImpl.java:180)
    at org.glassfish.json.JsonReaderImpl.readObject(JsonReaderImpl.java:103)

有没有办法在有效的json中转换它?

1 个答案:

答案 0 :(得分:3)

获取json响应并在将其解析为object之前先替换所有新行。

response.replaceAll("\r?\n", "");

使用GSON API

的示例代码
    String json = "{\"msg\" : \"Hello \n World\"}";
    System.out.println(json);

    json = json.replaceAll("\r?\n", "");

    Map<String, String> map = new Gson().fromJson(json, new TypeToken<Map<String, String>>(){}.getType());
    System.out.println("Actual message:" + map.get("msg"));

输出:

{"msg" : " Hello 
 World"}
Actual message: Hello  World