com.google.appinventor.components.runtime.util

Class WebServiceUtil

java.lang.Object

com.google.appinventor.components.runtime.util.WebServiceUtil

public class WebServiceUtil
extends java.lang.Object

These commands post to the Web and get responses that are assumed to be JSON structures: a string, a JSON array, or a JSON object. It's up to the caller of these routines to decide which version to use, and to decode the response.

Method Summary

Methods

Modifier and Type	Method and Description
static WebServiceUtil	getInstance() Returns the one WebServiceUtil instance
void	postCommand(java.lang.String serviceURL, java.lang.String commandName, java.util.List<org.apache.http.NameValuePair> params, AsyncCallbackPair<java.lang.String> callback) Make a post command to serviceURL with params and return the response String.
void	postCommandReturningArray(java.lang.String serviceURL, java.lang.String commandName, java.util.List<org.apache.http.NameValuePair> params, AsyncCallbackPair<org.json.JSONArray> callback) Make a post command to serviceURL with params and return the response String as a JSON array.
void	postCommandReturningObject(java.lang.String serviceURL, java.lang.String commandName, java.util.List<org.apache.http.NameValuePair> params, AsyncCallbackPair<org.json.JSONObject> callback) Make a post command to serviceURL with paramaterss and return the response String as a JSON object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getInstance

public static WebServiceUtil getInstance()

Returns the one WebServiceUtil instance

Returns:

the one WebServiceUtil instance

postCommandReturningArray

public void postCommandReturningArray(java.lang.String serviceURL,
                             java.lang.String commandName,
                             java.util.List<org.apache.http.NameValuePair> params,
                             AsyncCallbackPair<org.json.JSONArray> callback)

Make a post command to serviceURL with params and return the response String as a JSON array.

Parameters:

serviceURL - The URL of the server to post to.

commandName - The path to the command.

params - A List of NameValuePairs to send as parameters with the post.

callback - A callback function that accepts a JSON array on success.

postCommandReturningObject

public void postCommandReturningObject(java.lang.String serviceURL,
                              java.lang.String commandName,
                              java.util.List<org.apache.http.NameValuePair> params,
                              AsyncCallbackPair<org.json.JSONObject> callback)

Make a post command to serviceURL with paramaterss and return the response String as a JSON object.

Parameters:

serviceURL - The URL of the server to post to.

commandName - The path to the command.

params - A List of NameValuePairs to send as parameters with the post.

callback - A callback function that accepts a JSON object on success.

postCommand

public void postCommand(java.lang.String serviceURL,
               java.lang.String commandName,
               java.util.List<org.apache.http.NameValuePair> params,
               AsyncCallbackPair<java.lang.String> callback)

Make a post command to serviceURL with params and return the response String.

Parameters:

serviceURL - The URL of the server to post to.

commandName - The path to the command.

params - A List of NameValuePairs to send as parameters with the post.

callback - A callback function that accepts a String on success.