Java tutorial
/**************************************************************** * 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 org.apache.james.transport.util; import java.util.List; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import org.apache.james.transport.mailets.redirect.SpecialAddress; import org.apache.mailet.MailAddress; import com.google.common.base.Function; import com.google.common.collect.FluentIterable; import com.google.common.collect.ImmutableList; public class MailAddressUtils { public static List<MailAddress> from(InternetAddress[] internetAddresses) throws AddressException { return from(ImmutableList.copyOf(internetAddresses)); } private static List<MailAddress> from(List<InternetAddress> internetAddresses) throws AddressException { ImmutableList.Builder<MailAddress> builder = ImmutableList.builder(); for (InternetAddress internetAddress : internetAddresses) { builder.add(new MailAddress(internetAddress)); } return builder.build(); } public static List<InternetAddress> toInternetAddresses(List<MailAddress> mailAddresses) { return iterableOfInternetAddress(mailAddresses).toList(); } public static InternetAddress[] toInternetAddressArray(List<MailAddress> mailAddresses) { return iterableOfInternetAddress(mailAddresses).toArray(InternetAddress.class); } private static FluentIterable<InternetAddress> iterableOfInternetAddress(List<MailAddress> mailAddresses) { return FluentIterable.from(mailAddresses).transform(new Function<MailAddress, InternetAddress>() { @Override public InternetAddress apply(MailAddress mailAddress) { return mailAddress.toInternetAddress(); } }); } public static boolean isUnalteredOrReversePathOrSender(MailAddress mailAddress) { return mailAddress.equals(SpecialAddress.UNALTERED) || mailAddress.equals(SpecialAddress.REVERSE_PATH) || mailAddress.equals(SpecialAddress.SENDER); } }