org.obm.push.mail.mime.MimeAddress.java Source code

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Here is the source code for org.obm.push.mail.mime.MimeAddress.java

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/* ***** BEGIN LICENSE BLOCK *****
 * 
 * Copyright (C) 2011-2014  Linagora
 *
 * This program is free software: you can redistribute it and/or 
 * modify it under the terms of the GNU Affero General Public License as 
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version, provided you comply 
 * with the Additional Terms applicable for OBM connector by Linagora 
 * pursuant to Section 7 of the GNU Affero General Public License, 
 * subsections (b), (c), and (e), pursuant to which you must notably (i) retain 
 * the Message sent thanks to OBM, Free Communication by Linagora? 
 * signature notice appended to any and all outbound messages 
 * (notably e-mail and meeting requests), (ii) retain all hypertext links between 
 * OBM and obm.org, as well as between Linagora and linagora.com, and (iii) refrain 
 * from infringing Linagora intellectual property rights over its trademarks 
 * and commercial brands. Other Additional Terms apply, 
 * see <http://www.linagora.com/licenses/> for more details. 
 *
 * This program is distributed in the hope that it will be useful, 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License 
 * for more details. 
 *
 * You should have received a copy of the GNU Affero General Public License 
 * and its applicable Additional Terms for OBM along with this program. If not, 
 * see <http://www.gnu.org/licenses/> for the GNU Affero General Public License version 3 
 * and <http://www.linagora.com/licenses/> for the Additional Terms applicable to 
 * OBM connectors. 
 * 
 * ***** END LICENSE BLOCK ***** */
package org.obm.push.mail.mime;

import com.google.common.base.Joiner;
import com.google.common.base.Objects;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.collect.Iterables;

public class MimeAddress {

    private final String address;
    private transient Integer nestLevel;

    public MimeAddress(String address) {
        this.address = address;
    }

    public int compareNestLevel(MimeAddress rhs) {
        if (rhs == null) {
            return -1;
        }
        return this.countNestLevel() - rhs.countNestLevel();
    }

    public int countNestLevel() {
        if (nestLevel == null) {
            nestLevel = Iterables.size(Splitter.on(".").split(address));
        }
        return nestLevel;
    }

    public static MimeAddress concat(MimeAddress firstPart, Integer secondPart) {
        String firstPartAddress = null;
        if (firstPart != null) {
            firstPartAddress = firstPart.getAddress();
        }
        String secondPartAsString = null;
        if (secondPart != null) {
            secondPartAsString = String.valueOf(secondPart);
        }
        return new MimeAddress(
                Joiner.on(".").skipNulls().join(Strings.emptyToNull(firstPartAddress), secondPartAsString));
    }

    public int getLastIndex() {
        String lastIdx = Iterables.getLast(Splitter.on('.').split(address));
        if (Strings.isNullOrEmpty(lastIdx)) {
            return -1;
        }
        return Integer.valueOf(lastIdx);
    }

    public String getAddress() {
        return address;
    }

    @Override
    public final int hashCode() {
        return Objects.hashCode(address);
    }

    @Override
    public final boolean equals(Object object) {
        if (object instanceof MimeAddress) {
            MimeAddress that = (MimeAddress) object;
            return Objects.equal(this.address, that.address);
        }
        return false;
    }

    @Override
    public String toString() {
        return Objects.toStringHelper(this).add("address", address).toString();
    }
}