| // Copyright (C) 2009 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.server.mail; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| |
| abstract class EmailHeader { |
| abstract boolean isEmpty(); |
| |
| abstract void write(Writer w) throws IOException; |
| |
| static class String extends EmailHeader { |
| private java.lang.String value; |
| |
| String(java.lang.String v) { |
| value = v; |
| } |
| |
| @Override |
| boolean isEmpty() { |
| return value == null || value.length() == 0; |
| } |
| |
| @Override |
| void write(Writer w) throws IOException { |
| w.write(value); |
| } |
| } |
| |
| static class Date extends EmailHeader { |
| private java.util.Date value; |
| |
| Date(java.util.Date v) { |
| value = v; |
| } |
| |
| @Override |
| boolean isEmpty() { |
| return value == null; |
| } |
| |
| @Override |
| void write(Writer w) throws IOException { |
| final SimpleDateFormat fmt; |
| // Mon, 1 Jun 2009 10:49:44 -0700 |
| fmt = new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z", Locale.ENGLISH); |
| w.write(fmt.format(value)); |
| } |
| } |
| |
| static class AddressList extends EmailHeader { |
| private final List<Address> list = new ArrayList<Address>(); |
| |
| AddressList() { |
| } |
| |
| AddressList(Address addr) { |
| add(addr); |
| } |
| |
| void add(Address addr) { |
| list.add(addr); |
| } |
| |
| @Override |
| boolean isEmpty() { |
| return list.isEmpty(); |
| } |
| |
| @Override |
| void write(Writer w) throws IOException { |
| int len = 8; |
| boolean first = true; |
| for (final Address addr : list) { |
| java.lang.String s = addr.toHeaderString(); |
| if (!first && 72 < len + s.length()) { |
| w.write(",\r\n\t"); |
| len = 8; |
| first = true; |
| } |
| if (!first) { |
| w.write(", "); |
| first = false; |
| } |
| w.write(s); |
| } |
| } |
| } |
| } |