package
com.login.client
;
import
java.io.BufferedReader
;
import
java.io.ByteArrayInputStream
;
import
java.io.IOException
;
import
java.io.InputStream
;
import
java.io.InputStreamReader
;
import
java.net.MalformedURLException
;
import
java.net.URL
;
import
java.util.List
;
import
com.google.appengine.api.urlfetch.HTTPHeader
;
import
com.google.appengine.api.urlfetch.HTTPMethod
;
import
com.google.appengine.api.urlfetch.HTTPRequest
;
import
com.google.appengine.api.urlfetch.HTTPResponse
;
import
com.google.appengine.api.urlfetch.URLFetchService
;
import
com.google.appengine.api.urlfetch.URLFetchServiceFactory
;
public
class FetchUrl
{
private
static
String client_id
=
"<Client ID>"
;
private
static
String client_secret
=
"<client_secret>"
;
private
static
String redirectURL
=
"http://gfksgnbgfcv.appspot.com/index2.jsp"
;
private
static URLFetchService fetchService
;
public
static
String getParseValue
(
String code
)
{
HTTPResponse httpResponse
=
null
;
try
{
String urlStr
=
"https://accounts.google.com/o/oauth2/token"
;
URL url
=
new
URL
(urlStr
)
;
HTTPMethod method
=HTTPMethod.
POST
;
HTTPRequest httpRequest
=
new HTTPRequest
(url,method
)
;
fetchService
= URLFetchServiceFactory.
getURLFetchService
(
)
;
httpRequest.
setHeader
(
new HTTPHeader
(
"Content-Type",
"application/x-www-form-urlencoded"
)
)
;
httpRequest.
setHeader
(
new HTTPHeader
(
"Content-length",
"250"
)
)
;
httpRequest.
addHeader
(
new HTTPHeader
(
"code", code
)
)
;
httpRequest.
addHeader
(
new HTTPHeader
(
"client_id", client_id
)
)
;
httpRequest.
addHeader
(
new HTTPHeader
(
"client_secret", client_secret
)
)
;
httpRequest.
addHeader
(
new HTTPHeader
(
"redirect_uri", redirectURL
)
)
;
httpRequest.
addHeader
(
new HTTPHeader
(
"scope",
""
)
)
;
httpRequest.
addHeader
(
new HTTPHeader
(
"grant_type",
"authorization_code"
)
)
;
httpResponse
= fetchService.
fetch
(httpRequest
)
;
InputStream in
=getContentAsStream
(httpResponse
)
;
BufferedReader reader
=
new
BufferedReader
(
new
InputStreamReader
(in
)
)
;
String line
;
String output
=
""
;
while
(
(line
= reader.
readLine
(
)
)
!=
null
)
{
output
=output
+line
;
}
reader.
close
(
)
;
return output
;
}
catch
(
Exception e
)
{
e.
printStackTrace
(
)
;
System.
out.
println
(e.
getMessage
(
)
)
;
return e.
getMessage
(
)
;
}
}
public
static
byte
[
] getContentAsBytes
(HTTPResponse httpResponse
)
{
return httpResponse.
getContent
(
)
;
}
public
static
InputStream getContentAsStream
(HTTPResponse httpResponse
)
{
return
new
ByteArrayInputStream
(getContentAsBytes
(httpResponse
)
)
;
}
}
