| /* |
| * 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.abdera2.common.protocol; |
| |
| import java.io.Serializable; |
| import java.security.Principal; |
| |
| import javax.security.auth.Subject; |
| |
| import org.apache.abdera2.common.misc.Resolver; |
| |
| /** |
| * The default subject resolver implementation |
| */ |
| public class SimpleSubjectResolver |
| implements Resolver<Subject,Request> { |
| |
| 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; |
| } |
| } |
| } |