Can't download pdf with java
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gedemagt
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Published on 2012-10-18T22:58:04Z
Indexed on
2012/10/18
23:00 UTC
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I'm trying to download a file from http://aula.au.dk/main/document/document.php?action=download&id=%2F%D8velsesvejledning+2012.pdf but it dosen't appear to be a pdf, when i try downloading it with this code
import java.io.*;
import java.net.*;
public class DownloadFile {
public static void download(String address, String localFileName) throws IOException {
URL url1 = new URL(address);
byte[] ba1 = new byte[1024];
int baLength;
FileOutputStream fos1 = new FileOutputStream(localFileName);
try {
// Contacting the URL
System.out.print("Connecting to " + url1.toString() + " ... ");
URLConnection urlConn = url1.openConnection();
// Checking whether the URL contains a PDF
if (!urlConn.getContentType().equalsIgnoreCase("application/pdf")) {
System.out.println("FAILED.\n[Sorry. This is not a PDF.]");
} else {
try {
// Read the PDF from the URL and save to a local file
InputStream is1 = url1.openStream();
while ((baLength = is1.read(ba1)) != -1) {
fos1.write(ba1, 0, baLength);
}
fos1.flush();
fos1.close();
is1.close();
} catch (ConnectException ce) {
System.out.println("FAILED.\n[" + ce.getMessage() + "]\n");
}
}
} catch (NullPointerException npe) {
System.out.println("FAILED.\n[" + npe.getMessage() + "]\n");
}
}
}
Can you help me out here?
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