io.deephaven.uri.UriHelper Maven / Gradle / Ivy
/**
* Copyright (c) 2016-2022 Deephaven Data Labs and Patent Pending
*/
package io.deephaven.uri;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLEncoder;
public class UriHelper {
public static boolean isUriSafe(String part) {
final String encoded;
try {
encoded = URLEncoder.encode(part, "UTF-8");
} catch (UnsupportedEncodingException e) {
return false;
}
return part.equals(encoded);
}
/**
* A URI is a "local path" when the only components are {@link URI#getScheme() scheme} and {@link URI#getPath()
* path}; and path starts with {@code "/"}.
*
* @param uri the URI
* @return true if {@code uri} is a "local path"
*/
public static boolean isLocalPath(URI uri) {
return uri.getHost() == null
&& !uri.isOpaque()
&& uri.getPath().startsWith("/")
&& uri.getQuery() == null
&& uri.getUserInfo() == null
&& uri.getFragment() == null;
}
/**
* A URI is a "remote path" when the only components are {@link URI#getScheme() scheme}, {@link URI#getHost() host},
* and {@link URI#getPath() path}; and path starts with {@code "/"}.
*
* @param uri the URI
* @return true if {@code uri} is a "remote path"
*/
public static boolean isRemotePath(URI uri) {
return uri.getHost() != null
&& !uri.isOpaque()
&& uri.getPath().startsWith("/")
&& uri.getQuery() == null
&& uri.getUserInfo() == null
&& uri.getFragment() == null;
}
/**
* A URI is a "remote target" when the only components are {@link URI#getScheme() scheme}, {@link URI#getHost()
* host}, and {@link URI#getPath() path}; and path is empty.
*
* @param uri the URI
* @return true if {@code uri} is a "remote target"
*/
public static boolean isRemoteTarget(URI uri) {
return uri.getHost() != null
&& !uri.isOpaque()
&& uri.getPath().isEmpty()
&& uri.getQuery() == null
&& uri.getUserInfo() == null
&& uri.getFragment() == null;
}
/**
* A URI is a "remote query" when the only components are {@link URI#getScheme() scheme}, {@link URI#getHost()
* host}, {@link URI#getQuery() query}, and {@link URI#getPath() path}; and path is empty.
*
* @param uri the URI
* @return true if {@code uri} is a "remote query"
*/
public static boolean isRemoteQuery(URI uri) {
return uri.getHost() != null
&& !uri.isOpaque()
&& uri.getPath().isEmpty()
&& uri.getQuery() != null
&& uri.getUserInfo() == null
&& uri.getFragment() == null;
}
}