org.wildfly.common.net.URIs Maven / Gradle / Ivy
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* Copyright 2018 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.common.net;
import java.net.URI;
/**
* URI-specific utilities.
*/
public final class URIs {
private URIs() {}
/**
* Get the user name information from a URI, if any.
*
* @param uri the URI
* @return the user name, or {@code null} if the URI did not contain a recoverable user name
*/
public static String getUserFromURI(URI uri) {
String userInfo = uri.getUserInfo();
if (userInfo == null && "domain".equals(uri.getScheme())) {
final String ssp = uri.getSchemeSpecificPart();
final int at = ssp.lastIndexOf('@');
if (at == -1) {
return null;
}
userInfo = ssp.substring(0, at);
}
if (userInfo != null) {
final int colon = userInfo.indexOf(':');
if (colon != -1) {
userInfo = userInfo.substring(0, colon);
}
}
return userInfo;
}
}