--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/src/luan/modules/UrlCall.java	Tue Dec 02 03:34:04 2014 +0000
@@ -0,0 +1,81 @@
+package luan.modules;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.IOException;
+import java.net.URLConnection;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.Map;
+import java.util.HashMap;
+
+
+public final class UrlCall {
+	public final URLConnection connection;
+
+	public UrlCall(String url) throws IOException {
+		this(new URL(url));
+	}
+
+	public UrlCall(URL url) throws IOException {
+		connection = url.openConnection();
+	}
+
+	public void acceptJson() {
+		connection.setRequestProperty("accept","application/json");
+	}
+
+	public String get() throws IOException {
+		Reader in = new InputStreamReader(connection.getInputStream());
+		String rtn = Utils.readAll(in);
+		in.close();
+		return rtn;
+	}
+
+	public String post(String content,String contentType) throws IOException {
+		HttpURLConnection connection = (HttpURLConnection)this.connection;
+
+		connection.setRequestProperty("Content-type",contentType);
+		connection.setDoOutput(true);
+		connection.setRequestMethod("POST");
+
+		byte[] post = content.getBytes();
+		connection.setRequestProperty("Content-Length",Integer.toString(post.length));
+		OutputStream out = connection.getOutputStream();
+		out.write(post);
+		out.flush();
+
+		Reader in;
+		try {
+			in = new InputStreamReader(connection.getInputStream());
+		} catch(IOException e) {
+			InputStream is = connection.getErrorStream();
+			if( is == null )
+				throw e;
+			in = new InputStreamReader(is);
+			String msg = Utils.readAll(in);
+			in.close();
+			throw new UrlCallException(msg,e);
+		}
+		String rtn = Utils.readAll(in);
+		in.close();
+		out.close();
+		return rtn;
+	}
+
+	public String post(String content) throws IOException {
+		return post(content,"application/x-www-form-urlencoded");
+	}
+
+	public String postJson(String content) throws IOException {
+		return post(content,"application/json");
+	}
+
+	public static final class UrlCallException extends IOException {
+		UrlCallException(String msg,IOException e) {
+			super(msg,e);
+		}
+	}
+}