001 /****************************************************************
002 * Licensed to the Apache Software Foundation (ASF) under one *
003 * or more contributor license agreements. See the NOTICE file *
004 * distributed with this work for additional information *
005 * regarding copyright ownership. The ASF licenses this file *
006 * to you under the Apache License, Version 2.0 (the *
007 * "License"); you may not use this file except in compliance *
008 * with the License. You may obtain a copy of the License at *
009 * *
010 * http://www.apache.org/licenses/LICENSE-2.0 *
011 * *
012 * Unless required by applicable law or agreed to in writing, *
013 * software distributed under the License is distributed on an *
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
015 * KIND, either express or implied. See the License for the *
016 * specific language governing permissions and limitations *
017 * under the License. *
018 ****************************************************************/
019
020
021 package org.apache.james.jspf.terms;
022
023 import org.apache.james.jspf.core.DNSLookupContinuation;
024 import org.apache.james.jspf.core.SPFSession;
025 import org.apache.james.jspf.core.exceptions.PermErrorException;
026
027 /**
028 * This class represent the all mechanism
029 *
030 */
031 public class AllMechanism implements Mechanism, ConfigurationEnabled {
032
033 public static final String REGEX = "[aA][lL][lL]";
034
035 /**
036 * @see org.apache.james.jspf.core.SPFChecker#checkSPF(org.apache.james.jspf.core.SPFSession)
037 */
038 public DNSLookupContinuation checkSPF(SPFSession spfData) throws PermErrorException {
039 return null;
040 }
041
042 /**
043 * @see org.apache.james.jspf.terms.ConfigurationEnabled#config(Configuration)
044 */
045 public void config(Configuration params) throws PermErrorException {
046 // no checks needed
047 // the regex only passes with no parameters
048 }
049
050 /**
051 * @see java.lang.Object#toString()
052 */
053 public String toString() {
054 return "all";
055 }
056
057 }