3
Wenn ich rufe postFile() die HTTP-Post gemacht, aber der "Anfrage" String an den Server nicht ankommt. Der Host empfängt die Anfrage und sendet 400 zurück, was in diesem Fall bedeutet, dass die Anfrage leer ist.Java HTTP-POST-Request-String kommt nicht
Jedes Beispiel zeigt dies genug sein sollte.
Was ist das Problem?
public static void postFile(
String host,
String beaconId,
String fileName,
String base64File)
throws IOException {
StringBuilder request = new StringBuilder(base64File.length() + fileName.length() + 256);
request.append("{\n");
request.append("\"beaconId\": \"" + beaconId + "\",\n");
request.append("\"fileName\": \"" + fileName + "\",\n");
request.append("\"fileContent\": \"data:application/pdf;base64," + base64File + "\"\n");
request.append("}");
URL url = new URL("https://" + host + "/_ah/api/service/v1/files/add");
//TODO ignore cert problems for now!
TrustManager[] trustAllCerts = new TrustManager[] {
new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(
X509Certificate[] certs,
String authType) {}
public void checkServerTrusted(
X509Certificate[] certs,
String authType) {}
}
};
SSLContext sslContext;
try {
sslContext = SSLContext.getInstance("SSL");
}
catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
try {
sslContext.init(null, trustAllCerts, new SecureRandom());
}
catch (KeyManagementException e) {
throw new RuntimeException(e);
}
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
try {
conn.setSSLSocketFactory(sslContext.getSocketFactory());
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setDoOutput(true);
try(OutputStream os = conn.getOutputStream()) {
os.write(request.toString().getBytes("UTF-8"));
os.flush();
int respCode = conn.getResponseCode();
String respMsg = conn.getResponseMessage();
if (respCode != HTTP_CREATED) {
throw new RuntimeException("HTTP error : " + conn.getResponseCode() + "\n" + respMsg);
}
String response = IOUtils.toString(conn.getInputStream(), "UTF-8");
String[] lines = response.split("\n");
if (lines.length != 6) {
throw new RuntimeException("Invalid response : " + response);
}
if (!lines[2].contains("\"success\": true,")) {
throw new RuntimeException("Post failed : " + response);
}
}
}
finally {
conn.disconnect();
}
}