com.askfast.askfastapi.util

Class HttpUtil

java.lang.Object

com.askfast.askfastapi.util.HttpUtil

public class HttpUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
HttpUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	appendQueryParams(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> params) Append query parameters to given url
static java.lang.String	delete(java.lang.String url) Send a delete request
static java.lang.String	delete(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers) Send a delete request
static java.lang.String	fetch(java.lang.String method, java.lang.String url, java.lang.String body, java.util.Map<java.lang.String,java.lang.String> headers) Send a request
static java.lang.String	get(java.lang.String url) Send a get request
static java.lang.String	get(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> headers) Send a get request
static java.util.Map<java.lang.String,java.lang.String>	getQueryParams(java.lang.String url) Retrieve the query parameters from given url
static java.lang.String	post(java.lang.String url, java.lang.String body) Send a post request
static java.lang.String	post(java.lang.String url, java.lang.String body, java.util.Map<java.lang.String,java.lang.String> headers) Send a post request
static java.lang.String	postForm(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> params) Post a form with parameters
static java.lang.String	postForm(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> params, java.util.Map<java.lang.String,java.lang.String> headers) Post a form with parameters
static java.lang.String	put(java.lang.String url, java.lang.String body) Send a put request
static java.lang.String	put(java.lang.String url, java.lang.String body, java.util.Map<java.lang.String,java.lang.String> headers) Send a put request
static java.lang.String	removeQueryParams(java.lang.String url) Returns the url without query parameters
static java.lang.String	streamToString(java.io.InputStream in) Read an input stream into a string

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpUtil

public HttpUtil()

Method Detail

get

public static java.lang.String get(java.lang.String url)
                            throws java.io.IOException

Send a get request

Parameters:

url - URL on which an HTTP GET request is performed

Returns:

Response received

Throws:

java.io.IOException - Errors in connecting to the given URL

get

public static java.lang.String get(java.lang.String url,
                                   java.util.Map<java.lang.String,java.lang.String> headers)
                            throws java.io.IOException

Send a get request

Parameters:

url - Url as string

headers - Optional map with headers

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

post

public static java.lang.String post(java.lang.String url,
                                    java.lang.String body,
                                    java.util.Map<java.lang.String,java.lang.String> headers)
                             throws java.io.IOException

Send a post request

Parameters:

url - Url as string

body - Request body as string

headers - Optional map with headers

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

post

public static java.lang.String post(java.lang.String url,
                                    java.lang.String body)
                             throws java.io.IOException

Send a post request

Parameters:

url - Url as string

body - Request body as string

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

postForm

public static java.lang.String postForm(java.lang.String url,
                                        java.util.Map<java.lang.String,java.lang.String> params)
                                 throws java.io.IOException

Post a form with parameters

Parameters:

url - Url as string

params - map with parameters/values

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

postForm

public static java.lang.String postForm(java.lang.String url,
                                        java.util.Map<java.lang.String,java.lang.String> params,
                                        java.util.Map<java.lang.String,java.lang.String> headers)
                                 throws java.io.IOException

Post a form with parameters

Parameters:

url - Url as string

params - Map with parameters/values

headers - Optional map with headers

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

put

public static java.lang.String put(java.lang.String url,
                                   java.lang.String body,
                                   java.util.Map<java.lang.String,java.lang.String> headers)
                            throws java.io.IOException

Send a put request

Parameters:

url - Url as string

body - Request body as string

headers - Optional map with headers

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

put

public static java.lang.String put(java.lang.String url,
                                   java.lang.String body)
                            throws java.io.IOException

Send a put request

Parameters:

url - Url as string

body - The payload that is added to this PUT request

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

delete

public static java.lang.String delete(java.lang.String url,
                                      java.util.Map<java.lang.String,java.lang.String> headers)
                               throws java.io.IOException

Send a delete request

Parameters:

url - Url as string

headers - Optional map with headers

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

delete

public static java.lang.String delete(java.lang.String url)
                               throws java.io.IOException

Send a delete request

Parameters:

url - Url as string

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

appendQueryParams

public static java.lang.String appendQueryParams(java.lang.String url,
                                                 java.util.Map<java.lang.String,java.lang.String> params)
                                          throws java.io.IOException

Append query parameters to given url

Parameters:

url - Url as string

params - Map with query parameters

Returns:

url Url with query parameters appended

Throws:

java.io.IOException - Errors in connecting to the given URL

getQueryParams

public static java.util.Map<java.lang.String,java.lang.String> getQueryParams(java.lang.String url)
                                                                       throws java.io.IOException

Retrieve the query parameters from given url

Parameters:

url - Url containing query parameters

Returns:

params Map with query parameters

Throws:

java.io.IOException - Errors in connecting to the given URL

removeQueryParams

public static java.lang.String removeQueryParams(java.lang.String url)
                                          throws java.io.IOException

Returns the url without query parameters

Parameters:

url - Url containing query parameters

Returns:

url Url without query parameters

Throws:

java.io.IOException - Errors in connecting to the given URL

fetch

public static java.lang.String fetch(java.lang.String method,
                                     java.lang.String url,
                                     java.lang.String body,
                                     java.util.Map<java.lang.String,java.lang.String> headers)
                              throws java.io.IOException

Send a request

Parameters:

method - HTTP method, for example "GET" or "POST"

url - Url as string

body - Request body as string

headers - Optional map with headers

Returns:

response Response as string

Throws:

java.io.IOException - Errors in connecting to the given URL

streamToString

public static java.lang.String streamToString(java.io.InputStream in)
                                       throws java.io.IOException

Read an input stream into a string

Parameters:

in - Inputstream that is captured from a response

Returns:

Builder for performing an HTTP request

Throws:

java.io.IOException - Errors in connecting to the given URL