Self-encapsulated functions that call WCF rest

Package www. Framework. Android;

Import java. Io. ioexception;
Import java. Io. inputstream;
Import java. Io. inputstreamreader;
Import java. Io. unsupportedencodingexception;
Import java. util. arraylist;
Import java. util. List;

Import org. Apache. http. header;
Import org. Apache. http. httpentity;
Import org. Apache. http. httpresponse;
Import org. Apache. http. httpstatus;
Import org. Apache. http. namevaluepair;
Import org. Apache. http. Client. clientprotocolexception;
Import org. Apache. http. Client. httpclient;
Import org. Apache. http. Client. entity. urlencodedformentity;
Import org. Apache. http. Client. Methods. httpdelete;
Import org. Apache. http. Client. Methods. httpget;
Import org. Apache. http. Client. Methods. httppost;
Import org. Apache. http. Client. Methods. httpput;
Import org. Apache. http. impl. Client. defaulthttpclient;
Import org. Apache. http. Message. basicnamevaluepair;
Import org. JSON. jsonarray;
Import org. JSON. jsonexception;
Import org. JSON. jsonobject;
// Added wcfrest processing.
Public class httprestclienthelp {


// Obtain the list, encapsulated based on httpget
Public jsonobject getrestlist (string Uri, list <namevaluepair> paramslist) throws jsonexception, ioexception
{
// Create an HTTP client
// Httpclient client = new defaulthttpclient ();
// Create a GET request

Httpget = new httpget (URI );
Httpget. setheader ("accept", "application/JSON ");
Httpget. setheader ("Content-Type", "application/JSON ");
// Send a request to the server and obtain the results returned by the server
Httpresponse response = NULL;
Try {
Response = new defaulthttpclient(cmd.exe cute (httpget );
// Response = client.exe cute (httpget );
} Catch (clientprotocolexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
If (response. getstatusline (). getstatuscode () = httpstatus. SC _ OK)
{
System. Out. println ("OK ");
}
Else
{

String status = response. getstatusline (). getstatuscode () + "";
System. Out. println (Status );
}


// The returned results may be placed in inputstream, And the HTTP header is medium.
Inputstream = NULL;
Try {
Inputstream = response. getentity (). getcontent ();
} Catch (illegalstateexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
// Header [] headers = response. getallheaders ();
// System. Out. println (inputstream. Class. tostring ());
// System. Out. println (headers. Length + "|" + headers. tostring ());

Char [] buffer = new char [(INT) response. getentity (). getcontentlength ()];

Inputstreamreader reader = new inputstreamreader (inputstream );
Reader. Read (buffer );
Inputstream. Close ();

Jsonobject entitys = new jsonobject (new string (buffer ));
Return entitys;


}

// Obtain a single object, encapsulated based on httpget
Public jsonobject getvehicle (string URI) throws clientprotocolexception, ioexception {

// Send GET request to <service>/getvehicle/<plate>
Defaulthttpclient httpclient = new defaulthttpclient ();
Httpget request = new httpget (URI );

Request. setheader ("accept", "application/JSON ");
Request. setheader ("Content-Type", "application/JSON ");

Httpresponse response = httpclient.exe cute (request );

Httpentity responseentity = response. getentity ();

// Read response data into Buffer
Char [] buffer = new char [(INT) responseentity. getcontentlength ()];
Inputstream stream = responseentity. getcontent ();
Inputstreamreader reader = new inputstreamreader (Stream );
Reader. Read (buffer );
Stream. Close ();

Jsonobject myentity = NULL;
Try {
Myentity = new jsonobject (new string (buffer ));
} Catch (jsonexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
Return myentity;

// Myentity. getstring ("make ")
// Myentity. getstring ("plate ");

}


// Add an object and encapsulate the object based on httppost
Public jsonobject addentity (string Uri, list pardatalist) throws ioexception, jsonexception
{

// Create an HTTP client
Httpclient client = new defaulthttpclient ();
// Create a put request
Httppost = new httppost (URI );

Httppost. setheader ("accept", "application/JSON ");
Httppost. setheader ("Content-Type", "application/JSON ");
// Put the assembled data in httpentity and send it to the server
// Final list datalist = new arraylist ();
// Datalist. Add (New basicnamevaluepair ("price", "11.99 "));
Httpentity entity = NULL;
Try {
Entity = new urlencodedformentity (pardatalist, "UTF-8 ");
} Catch (unsupportedencodingexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
Httppost. setentity (entity );

Httpresponse response = NULL;
Try {
Responseappsclient.exe cute (httppost );
} Catch (clientprotocolexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
If (response. getstatusline (). getstatuscode () = httpstatus. SC _ OK)
{
System. Out. println ("OK ");
}
Else
{
 
String status = response. getstatusline (). getstatuscode () + "";
System. Out. println (Status );
}


// The returned results may be placed in inputstream, And the HTTP header is medium.
Inputstream = NULL;
Try {
Inputstream = response. getentity (). getcontent ();
} Catch (illegalstateexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
 

Char [] buffer = new char [(INT) response. getentity (). getcontentlength ()];

Inputstreamreader reader = new inputstreamreader (inputstream );
Reader. Read (buffer );
Inputstream. Close ();

Jsonobject entitys = new jsonobject (new string (buffer ));
Return entitys;




}

// Modify the object and encapsulate the object based on httpput
Public jsonobject updateentity (string Uri, list pardatalist) throws ioexception, jsonexception
{

// Create an HTTP client
Httpclient client = new defaulthttpclient ();
// Create a put request, such as a http://www.store.com/product/1234
Httpput = new httpput (URI );
Httpput. setheader ("accept", "application/JSON ");
Httpput. setheader ("Content-Type", "application/JSON ");
Httpentity entity = NULL;
Try {
Entity = new urlencodedformentity (pardatalist, "UTF-8 ");
} Catch (unsupportedencodingexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
Httpput. setentity (entity );

Httpresponse response = NULL;
Try {
Responseappsclient.exe cute (httpput );
} Catch (clientprotocolexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}
If (response. getstatusline (). getstatuscode () = httpstatus. SC _ OK)
{
System. Out. println ("OK ");
}
Else
{

String status = response. getstatusline (). getstatuscode () + "";
System. Out. println (Status );
}


// The returned results may be placed in inputstream, And the HTTP header is medium.
Inputstream = NULL;
Try {
Inputstream = response. getentity (). getcontent ();
} Catch (illegalstateexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}


Char [] buffer = new char [(INT) response. getentity (). getcontentlength ()];

Inputstreamreader reader = new inputstreamreader (inputstream );
Reader. Read (buffer );
Inputstream. Close ();

Jsonobject entitys = new jsonobject (new string (buffer ));
Return entitys;


}

// Delete an object based on httpdelete, "http://www.store.com/product/1234"
Public jsonobject deleteentity (string URI) throws clientprotocolexception, ioexception, jsonexception
{

// Create an HTTP client
Httpclient client = new defaulthttpclient ();

// Create a Delete request
Httpdelete = new httpdelete (URI );
Httpdelete. setheader ("accept", "application/JSON ");
Httpdelete. setheader ("Content-Type", "application/JSON ");
// Send a Delete request to the server and obtain the results returned by the server. The deletion may be successful or fail.
Httpresponse response=client.exe cute (httpdelete );
If (response. getstatusline (). getstatuscode () = httpstatus. SC _ OK)
{
System. Out. println ("OK ");
}
Else
{

String status = response. getstatusline (). getstatuscode () + "";
System. Out. println (Status );
}


// The returned results may be placed in inputstream, And the HTTP header is medium.
Inputstream = NULL;
Try {
Inputstream = response. getentity (). getcontent ();
} Catch (illegalstateexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
} Catch (ioexception e ){
// Todo auto-generated Catch Block
E. printstacktrace ();
}

Char [] buffer = new char [(INT) response. getentity (). getcontentlength ()];

Inputstreamreader reader = new inputstreamreader (inputstream );
Reader. Read (buffer );
Inputstream. Close ();

Jsonobject entitys = new jsonobject (new string (buffer ));
Return entitys;

}

}