Example: Java Post Json String using java.net.URL –Java Restful

Java Post Request Json String to a URL using java.net.URL.

Java Restful API, Java Restful Post, Java Restful URL

Example:

URL url = new URL("http://localhost:8080/healthbook/subject");
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setRequestProperty("Content-Type", "application/json");
connection.setRequestProperty("Cache-Control", "no-cache");
OutputStreamWriter out = new OutputStreamWriter(
connection.getOutputStream());
Gson gson = new Gson();
Subject subject = new Subject();
subject.setCreatedTime(new Date());
subject.setLoginID("leoncool");
subject.setTitle("test");
subject.setPrivateSet("aaaaaa");
System.out.println(gson.toJson(subject));
out.write(gson.toJson(subject));
out.close();
java.io.BufferedReader br = new java.io.BufferedReader(new java.io.InputStreamReader(connection.getInputStream()));
java.lang.StringBuffer sb = new java.lang.StringBuffer();
java.lang.String str = br.readLine();
while (str != null) {
sb.append(str);
str = br.readLine();
}
br.close();
java.lang.String responseString = sb.toString();
System.out.println(responseString);