public static String convertImagesToBase64(final String imageName, final byte[] imageContent) {
if (null == imageName || null == imageContent) {
return null;
}
String mimeType = null;
if (imageName.endsWith(PDTUTILS_SVG)) {
mimeType = PDTUTILS_IMAGE_BASE64_SVG;
} else {
mimeType = PDTUTILS_IMAGE_BASE64_COMMON;
}
return mimeType + Base64Utils.toBase64(imageContent);
}
/**
* Open connection.
*
* @param urlString the url string
* @param user the user
* @param pass the pass
* @param method the method
* @param content the content
* @return the uRL connection
* @throws MalformedURLException the malformed url exception
* @throws IOException Signals that an I/O exception has occurred.
*/
private static URLConnection openConnection(
String urlString,
String user,
String pass,
final int method,
String content,
InputStream contentIs,
boolean robustMode)
throws MalformedURLException, IOException {
try {
Thread.sleep(Constants.REST_DELAY);
} catch (InterruptedException e) {
LOGGER.error(e.getMessage());
e.printStackTrace();
}
URL url = new URL(urlString);
boolean auth = false;
String encoded = null;
if (auth = (user != null && pass != null && !"".equals(user) && !"".equals(pass))) {
String userPassword = user + ":" + pass;
encoded = Base64Utils.toBase64(userPassword.getBytes());
}
URLConnection uc = null;
OutputStreamWriter out = null;
try {
uc = url.openConnection();
if (auth) {
uc.setRequestProperty("Authorization", "Basic " + encoded);
}
switch (method) {
case GET:
break;
case PUT:
uc.setDoOutput(true);
((HttpURLConnection) uc).setRequestMethod("PUT");
((HttpURLConnection) uc)
.setRequestProperty("Content-type", "text/xml; charset=" + "UTF-8");
try {
out = new OutputStreamWriter(uc.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
return uc;
}
try {
if (content != null) out.write(content);
} catch (IOException e) {
e.printStackTrace();
return uc;
}
out.flush();
break;
case POST:
uc.setDoOutput(true);
uc.setDoInput(true);
((HttpURLConnection) uc).setRequestMethod("POST");
((HttpURLConnection) uc)
.setRequestProperty("Content-type", "text/xml; charset=" + "UTF-8");
try {
out = new OutputStreamWriter(uc.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
return uc;
}
OutputStream os = null;
try {
if (content != null) {
out.write(content);
} else if (contentIs != null) {
os = uc.getOutputStream();
IOUtils.copyStreams(contentIs, os);
}
} catch (IOException e) {
e.printStackTrace();
return uc;
}
if (os != null) {
os.flush();
} else {
out.flush();
}
break;
case DELETE:
uc.setDoOutput(true);
uc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
((HttpURLConnection) uc).setRequestMethod("DELETE");
break;
}
int resp = ((HttpURLConnection) uc).getResponseCode();
if (resp < 200 || resp >= 308) {
if (robustMode) {
return null;
} else {
if (uc != null) LOGGER.error(convertStreamToString(uc.getInputStream()));
LOGGER.error("Unable to open connection on " + urlString + " response code: " + resp);
throw new ConnectionException("connection to " + urlString + " cannot be established");
}
}
} catch (IOException e) {
e.printStackTrace();
throw new ConnectionException("connection to " + urlString + " cannot be established");
}
return uc;
}