Java Load image from URLConnection
I have a URLConnection, that access a web page.
URL url = new URL("https://domain");
con = url.openConnection();
con.setDoOutput(true);
Then i sent some data to the server using con.setRequestProperty()
I get the response cookies fro ma specified field using
String headerValue = con.getHeaderField(6);
I also get the html and parse an image url from there. But here is a problem. I can get this image only by sending cache data back to the server ,when i acces my image.
So i open a new connection
URL url1 = new URL("https://domain/image);
URLConnection con1 = url1.openConnection();
I send the cookies back to the server con1.setRequestProperty("Cookie", headerValue);
And finally i try to acces the image using BufferedInputStream and then creating an iamge in a JLabel
BufferedInputStream in = new BufferedInputStream(con1.getInputStream());
ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
int c;
while ((c = in.read()) != -1) {
byteArrayOut.write(c);
}
Image image = Toolkit.getDefaultToolkit().createImage(
byteArrayOut.toByteArray());
label.setIcon(new ImageIcon(image));
The problem is this seems to not work. Is it another way to get an file from a server through a URlConnection? Error code
Server returned HTTP response code: 400 for URL: https://domain/image
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
开发者_运维技巧
Thanks in advance
Found the error. Case closed. Used this code to split the cookies string.
String temp = headerValue.substring(0, (len1-17));
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