download sharepoint file via rest api java code example
Example: get a document from sharepoint from java
try {
String siteURL = "https://<host>/<path>";
String wsUrl = siteURL + "/_api/web/GetFolderByServerRelativeUrl('Shared%20Documents')/Files('XYZ.txt')/$value";
URL url = new URL(wsUrl);
URLConnection connection = url.openConnection();
HttpURLConnection httpConn = (HttpURLConnection) connection;
httpConn.setRequestMethod("GET");
httpConn.setRequestProperty("Authorization", "Bearer " + accessToken);
String httpResponseStr = "";
InputStreamReader isr = null;
if (httpConn.getResponseCode() == 200) {
isr = new InputStreamReader(httpConn.getInputStream());
} else {
isr = new InputStreamReader(httpConn.getErrorStream());
}
BufferedReader in = new BufferedReader(isr);
String strLine = "";
while ((strLine = in.readLine()) != null) {
httpResponseStr = httpResponseStr + strLine;
}
} catch (Exception e) {
}