/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. 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. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.protocol.server.impl;
import java.io.Serializable;
import java.security.Principal;
import javax.security.auth.Subject;
import org.apache.abdera.protocol.Request;
import org.apache.abdera.protocol.Resolver;
import org.apache.abdera.protocol.server.RequestContext;
/**
* The default subject resolver implementation
*/
public class SimpleSubjectResolver
implements Resolver<Subject> {
public static final Principal ANONYMOUS = new AnonymousPrincipal();
public Subject resolve(Request request) {
RequestContext context = (RequestContext) request;
return resolve(context.getPrincipal());
}
public Subject resolve(Principal principal) {
Subject subject = new Subject();
subject.getPrincipals().add((principal != null) ? principal : ANONYMOUS);
return subject;
}
public Subject resolve(String userid) {
if (userid == null) return resolve(ANONYMOUS);
return resolve(new SimplePrincipal(userid));
}
static class SimplePrincipal
implements Principal,
Serializable {
private static final long serialVersionUID = 7161420960293729670L;
final String name;
SimplePrincipal(String name) {
this.name = name;
}
public String getName() {
return name;
}
public String toString() {
return name;
}
@Override
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
final SimplePrincipal other = (SimplePrincipal) obj;
if (name == null) {
if (other.name != null) return false;
} else if (!name.equals(other.name))
return false;
return true;
}
}
public static final class AnonymousPrincipal
implements Principal,
Serializable {
private static final long serialVersionUID = -5050930075733261944L;
final String name = "Anonymous";
public String getName() {
return name;
}
public String toString() {
return name;
}
public boolean equals(Object other) {
if (other == null) return false;
return this == other;
}
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * result + ((name == null) ? 0 : name.hashCode());
return result;
}
}
}