public static String readURIToLocalURI(String uri) throws URISyntaxException, IOException {
final PipelineContext pipelineContext =
StaticExternalContext.getStaticContext().getPipelineContext();
final URLConnection urlConnection = new URI(uri).toURL().openConnection();
InputStream inputStream = null;
try {
inputStream = urlConnection.getInputStream();
return inputStreamToAnyURI(pipelineContext, inputStream, REQUEST_SCOPE);
} finally {
if (inputStream != null) inputStream.close();
}
}
/**
* Get the last modification date of an open URLConnection.
*
* <p>This handles the (broken at some point in the Java libraries) case of the file: protocol.
*
* @return last modified timestamp "as is"
*/
public static long getLastModified(URLConnection urlConnection) {
try {
long lastModified = urlConnection.getLastModified();
if (lastModified == 0 && "file".equals(urlConnection.getURL().getProtocol()))
lastModified =
new File(
URLDecoder.decode(
urlConnection.getURL().getFile(), STANDARD_PARAMETER_ENCODING))
.lastModified();
return lastModified;
} catch (UnsupportedEncodingException e) {
// Should not happen as we are using a required encoding
throw new OXFException(e);
}
}
/**
* Get the last modification date of a URL.
*
* @return last modified timestamp "as is"
*/
public static long getLastModified(URL url) throws IOException {
if ("file".equals(url.getProtocol())) {
// Optimize file: access. Also, this prevents throwing an exception if the file doesn't exist
// as we try to close the stream below.
return new File(URLDecoder.decode(url.getFile(), STANDARD_PARAMETER_ENCODING)).lastModified();
} else {
// Use URLConnection
final URLConnection urlConnection = url.openConnection();
if (urlConnection instanceof HttpURLConnection)
((HttpURLConnection) urlConnection).setRequestMethod("HEAD");
try {
return getLastModified(urlConnection);
} finally {
final InputStream is = urlConnection.getInputStream();
if (is != null) is.close();
}
}
}
