cn.trinea.android.common.service

Class HttpCache

java.lang.Object

cn.trinea.android.common.service.HttpCache

public class HttpCache
extends java.lang.Object

Http Cache

It applies to get and cache api data from server, like json or xml and so on. It applies to apps like weixin, weibo, twitter, taobao and so on. If want to cache image, please use ImageCache

Constructor
• HttpCache(Context) to init cache

Get data asynchronous
• httpGet(HttpRequest, HttpCacheListener)
• httpGet(String, HttpCacheListener)

Get data synchronous
• httpGet(HttpRequest)
• httpGet(String)
• httpGetString(HttpRequest)
• httpGetString(String)

Author:

Trinea 2013-11-1

Nested Class Summary

Nested Classes

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

Constructor Summary

Constructors

Constructor and Description
HttpCache(Context context)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Removes all elements from this cache, leaving it empty.
boolean	containsKey(java.lang.String url) whether this cache contains the specified url.
HttpResponse	httpGet(HttpRequest request) http get Attentions: Don't call this on the ui thread, it may costs some times.
void	httpGet(HttpRequest request, HttpCache.HttpCacheListener listener) http get It gets data from cache or network asynchronous.
HttpResponse	httpGet(java.lang.String url) http get Attentions: Don't call this on the ui thread, it may costs some times.
void	httpGet(java.lang.String url, HttpCache.HttpCacheListener listener) http get It gets data from cache or network asynchronous.
HttpResponse	httpGetString(HttpRequest httpRequest) http get Attentions: Don't call this on the ui thread, it may costs some times.
java.lang.String	httpGetString(java.lang.String url) http get Attentions: Don't call this on the ui thread, it may costs some times.

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpCache

public HttpCache(Context context)

Method Detail

httpGet

public HttpResponse httpGet(HttpRequest request)

http get

Attentions:
• Don't call this on the ui thread, it may costs some times. Becaust if not in cache, it get from network synchronous.
• If you want get data asynchronous, use httpGet(HttpRequest, HttpCacheListener)

Parameters:

httpRequest -

Returns:

the response of the url, if null represents http error

httpGet

public void httpGet(java.lang.String url,
           HttpCache.HttpCacheListener listener)

http get

• It gets data from cache or 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 void httpGet(HttpRequest request,
           HttpCache.HttpCacheListener listener)

http get

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

httpGet

public HttpResponse httpGet(java.lang.String url)

http get

Attentions:
• Don't call this on the ui thread, it may costs some times. Becaust if not in cache, it get from network synchronous.
• If you want get data asynchronous, use httpGet(HttpRequest, HttpCacheListener)

Parameters:

url -

Returns:

the response of the url, if null represents http error

httpGetString

public java.lang.String httpGetString(java.lang.String url)

http get

Attentions:
• Don't call this on the ui thread, it may costs some times. Becaust if not in cache, it get from network synchronous.
• If you want get data asynchronous, use httpGet(String, HttpCacheListener)

Parameters:

url -

Returns:

the response body of the url, if null represents http error

httpGetString

public HttpResponse httpGetString(HttpRequest httpRequest)

http get

Attentions:
• Don't call this on the ui thread, it may costs some times. Becaust if not in cache, it get from network synchronous.
• If you want get data asynchronous, use httpGet(HttpRequest, HttpCacheListener)

Parameters:

httpRequest -

Returns:

the response body of the url, if null represents http error

containsKey

public boolean containsKey(java.lang.String url)

whether this cache contains the specified url.

Parameters:

url -

Returns:

true if this cache contains the specified url and the element is valid, false otherwise.

clear

public void clear()

Removes all elements from this cache, leaving it empty.