cn.trinea.android.common.util

Class HttpUtils

java.lang.Object

cn.trinea.android.common.util.HttpUtils

public class HttpUtils
extends java.lang.Object

HttpUtils

Http get, you can also use HttpCache
• httpGet(HttpRequest) http get synchronous
• httpGet(String) http get synchronous
• httpGetString(String) http get synchronous, response is String
• httpGet(HttpRequest, HttpListener) http get asynchronous
• httpGet(String, HttpListener) http get asynchronous

Http post
• httpPost(HttpRequest)
• httpPost(String)
• httpPostString(String)
• httpPostString(String, Map)

Http params
• getUrlWithParas(String, Map)
• getUrlWithValueEncodeParas(String, Map)
• joinParas(Map)
• joinParasWithEncodedValue(Map)
• appendParaToUrl(String, String, String)
• parseGmtTime(String)

Author:

Trinea 2013-5-12

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HttpUtils.HttpListener HttpListener, can do something before or after HttpGet

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	EQUAL_SIGN equal sign
static java.lang.String	PARAMETERS_SEPARATOR parameters separator
static java.lang.String	PATHS_SEPARATOR paths separator
static java.lang.String	URL_AND_PARA_SEPARATOR url and para separator

Constructor Summary

Constructors

Constructor and Description
HttpUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	appendParaToUrl(java.lang.String url, java.lang.String paraKey, java.lang.String paraValue) append a key and value pair to url
static java.lang.String	getUrlWithParas(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> parasMap) join url and paras getUrlWithParas(null, {(a, b)}) = "?
static java.lang.String	getUrlWithValueEncodeParas(java.lang.String url, java.util.Map<java.lang.String,java.lang.String> parasMap) join url and encoded paras
static HttpResponse	httpGet(HttpRequest request) http get synchronous use gzip compression default use bufferedReader to improve the reading speed
static void	httpGet(HttpRequest request, HttpUtils.HttpListener listener) http get asynchronous It gets data or network asynchronous.
static HttpResponse	httpGet(java.lang.String httpUrl) http get synchronous
static void	httpGet(java.lang.String url, HttpUtils.HttpListener listener) http get asynchronous It gets data from network asynchronous.
static java.lang.String	httpGetString(HttpRequest request) http get synchronous
static java.lang.String	httpGetString(java.lang.String httpUrl) http get synchronous
static HttpResponse	httpPost(HttpRequest request) http post use gzip compression default use bufferedReader to improve the reading speed
static HttpResponse	httpPost(java.lang.String httpUrl) http post
static java.lang.String	httpPostString(java.lang.String httpUrl) http post
static java.lang.String	httpPostString(java.lang.String httpUrl, java.util.Map<java.lang.String,java.lang.String> parasMap) http post
static java.lang.String	joinParas(java.util.Map<java.lang.String,java.lang.String> parasMap) join paras
static java.lang.String	joinParasWithEncodedValue(java.util.Map<java.lang.String,java.lang.String> parasMap) join paras with encoded value
static long	parseGmtTime(java.lang.String gmtTime) parse gmt time to long
static void	setURLConnection(java.util.Map<java.lang.String,java.lang.String> requestProperties, java.net.HttpURLConnection urlConnection) set HttpURLConnection property

Methods inherited from class java.lang.Object

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

Field Detail

URL_AND_PARA_SEPARATOR

public static final java.lang.String URL_AND_PARA_SEPARATOR

url and para separator

See Also:

Constant Field Values

PARAMETERS_SEPARATOR

public static final java.lang.String PARAMETERS_SEPARATOR

parameters separator

See Also:

Constant Field Values

PATHS_SEPARATOR

public static final java.lang.String PATHS_SEPARATOR

paths separator

See Also:

Constant Field Values

EQUAL_SIGN

public static final java.lang.String EQUAL_SIGN

equal sign

See Also:

Constant Field Values

Constructor Detail

HttpUtils

public HttpUtils()

Method Detail

httpGet

public static HttpResponse httpGet(HttpRequest request)

http get synchronous

• use gzip compression default
• use bufferedReader to improve the reading speed

Parameters:

request -

Returns:

the response of the url, if null represents http error

httpGet

public static HttpResponse httpGet(java.lang.String httpUrl)

http get synchronous

Parameters:

httpUrl -

Returns:

the response of the url, if null represents http error

See Also:

httpGet(HttpRequest)

httpGetString

public static java.lang.String httpGetString(HttpRequest request)

http get synchronous

Parameters:

request -

Returns:

the content of the url, if null represents http error

See Also:

httpGet(HttpRequest)

httpGetString

public static java.lang.String httpGetString(java.lang.String httpUrl)

http get synchronous

Parameters:

httpUrl -

Returns:

the content of the url, if null represents http error

See Also:

httpGet(HttpRequest)

httpGet

public static void httpGet(java.lang.String url,
           HttpUtils.HttpListener listener)

http get asynchronous

• It gets data from network asynchronous.
• If you want get data synchronous, use httpGet(HttpRequest) or httpGetString(HttpRequest)

Parameters:

url -

listener - listener which can do something before or after HttpGet. this can be null if you not want to do something

httpGet

public static void httpGet(HttpRequest request,
           HttpUtils.HttpListener listener)

http get asynchronous

• It gets data or network asynchronous.
• If you want get data synchronous, use HttpCache.httpGet(HttpRequest) or HttpCache.httpGetString(HttpRequest)

Parameters:

request -

listener - listener which can do something before or after HttpGet. this can be null if you not want to do something

httpPost

public static HttpResponse httpPost(HttpRequest request)

http post

• use gzip compression default
• use bufferedReader to improve the reading speed

Parameters:

httpUrl -

paras -

Returns:

the response of the url, if null represents http error

httpPost

public static HttpResponse httpPost(java.lang.String httpUrl)

http post

Parameters:

httpUrl -

Returns:

the response of the url, if null represents http error

See Also:

httpPost(HttpRequest)

httpPostString

public static java.lang.String httpPostString(java.lang.String httpUrl)

http post

Parameters:

httpUrl -

Returns:

the content of the url, if null represents http error

See Also:

httpPost(HttpRequest)

httpPostString

public static java.lang.String httpPostString(java.lang.String httpUrl,
                              java.util.Map<java.lang.String,java.lang.String> parasMap)

http post

Parameters:

httpUrl -

parasMap - paras map, key is para name, value is para value. will be transfrom to String by joinParas(Map)

Returns:

the content of the url, if null represents http error

See Also:

httpPost(HttpRequest)

getUrlWithParas

public static java.lang.String getUrlWithParas(java.lang.String url,
                               java.util.Map<java.lang.String,java.lang.String> parasMap)

join url and paras

 getUrlWithParas(null, {(a, b)})                        =   "?a=b";
 getUrlWithParas("baidu.com", {})                       =   "baidu.com";
 getUrlWithParas("baidu.com", {(a, b), (i, j)})         =   "baidu.com?a=b&i=j";
 getUrlWithParas("baidu.com", {(a, b), (i, j), (c, d)}) =   "baidu.com?a=b&i=j&c=d";
 

Parameters:

url - url

parasMap - paras map, key is para name, value is para value

Returns:

if url is null, process it as empty string

getUrlWithValueEncodeParas

public static java.lang.String getUrlWithValueEncodeParas(java.lang.String url,
                                          java.util.Map<java.lang.String,java.lang.String> parasMap)

join url and encoded paras

Parameters:

url -

parasMap -

Returns:

See Also:

getUrlWithParas(String, Map), StringUtils.utf8Encode(String)

joinParas

public static java.lang.String joinParas(java.util.Map<java.lang.String,java.lang.String> parasMap)

join paras

Parameters:

parasMap - paras map, key is para name, value is para value

Returns:

join key and value with EQUAL_SIGN, join keys with PARAMETERS_SEPARATOR

joinParasWithEncodedValue

public static java.lang.String joinParasWithEncodedValue(java.util.Map<java.lang.String,java.lang.String> parasMap)

join paras with encoded value

Parameters:

parasMap -

Returns:

See Also:

joinParas(Map), StringUtils.utf8Encode(String)

appendParaToUrl

public static java.lang.String appendParaToUrl(java.lang.String url,
                               java.lang.String paraKey,
                               java.lang.String paraValue)

append a key and value pair to url

Parameters:

url -

paraKey -

paraValue -

Returns:

parseGmtTime

public static long parseGmtTime(java.lang.String gmtTime)

parse gmt time to long

Parameters:

gmtTime - likes Thu, 11 Apr 2013 10:20:30 GMT

Returns:

-1 represents exception otherwise time in milliseconds

setURLConnection

public static void setURLConnection(java.util.Map<java.lang.String,java.lang.String> requestProperties,
                    java.net.HttpURLConnection urlConnection)

set HttpURLConnection property

Parameters:

requestProperties -

urlConnection -