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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 shaded.shaded.org.eclipse.aether.transport.http;
import java.util.LinkedList;
import org.apache.http.auth.AuthScheme;
import org.apache.http.client.config.AuthSchemes;
import org.apache.http.impl.auth.BasicScheme;
/**
* Pool of (equivalent) auth schemes for a single host.
*/
final class AuthSchemePool {
private final LinkedList authSchemes;
private String schemeName;
AuthSchemePool() {
authSchemes = new LinkedList<>();
}
public synchronized AuthScheme get() {
AuthScheme authScheme = null;
if (!authSchemes.isEmpty()) {
authScheme = authSchemes.removeLast();
} else if (AuthSchemes.BASIC.equalsIgnoreCase(schemeName)) {
authScheme = new BasicScheme();
}
return authScheme;
}
public synchronized void put(AuthScheme authScheme) {
if (authScheme == null) {
return;
}
if (!authScheme.getSchemeName().equals(schemeName)) {
schemeName = authScheme.getSchemeName();
authSchemes.clear();
}
authSchemes.add(authScheme);
}
}