com.opinionlab.woa.Awesome.java Source code

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Here is the source code for com.opinionlab.woa.Awesome.java

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/*
 * Copyright (c) 2015, OpinionLab
 *
 * This file is part of The Wall of Awesome.
 *
 * The Wall of Awesome 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.
 *
 * The Wall of Awesome 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
 * along with The Wall of Awesome.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.opinionlab.woa;

import org.apache.commons.mail.util.MimeMessageParser;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Date;
import java.util.regex.Pattern;

import static java.lang.String.format;
import static java.time.ZoneId.systemDefault;

public class Awesome {
    private static final Logger LOGGER = LoggerFactory.getLogger(Awesome.class);

    private static final Pattern ID_PTN = Pattern.compile("[^a-zA-Z0-9]");

    private static final Pattern SIG_PTN = Pattern.compile("^(.*?)\n--.*$", Pattern.DOTALL);

    private static final Pattern FWD_PTN = Pattern.compile("^(.*?)\nFrom: .*$", Pattern.DOTALL);

    private static final DateTimeFormatter DATE_FORMATTER = DateTimeFormatter.ofPattern("MMMM dd");

    private final String messageID;
    private final String id;
    private final Date receivedDate;
    private final String monthDay;
    private final Person to;
    private final Person from;
    private final String subject;
    private final String comment;

    public Awesome(Message message) {
        try {
            this.messageID = ((MimeMessage) message).getMessageID();
            this.id = ID_PTN.matcher(this.messageID).replaceAll("_");

            this.receivedDate = message.getReceivedDate();
            this.monthDay = DATE_FORMATTER
                    .format(LocalDateTime.ofInstant(receivedDate.toInstant(), systemDefault()));
            this.to = new Person((InternetAddress) //todo Do this smarter
            message.getRecipients(Message.RecipientType.TO)[0]);
            this.from = new Person((InternetAddress) message.getFrom()[0]);
            this.subject = message.getSubject();

            final MimeMessageParser parser = new MimeMessageParser((MimeMessage) message).parse();
            if (!parser.hasPlainContent()) {
                LOGGER.error(format("Unable to parse message '%s'; has no plain content", this.messageID));
                this.comment = "Unknown content.";
            } else {
                this.comment = parseContent(parser.getPlainContent());
            }
        } catch (Throwable t) {
            throw new IllegalArgumentException(t);
        }
    }

    @Override
    public String toString() {
        return format("Awesome{monthDay='%s', to=%s, from=%s, subject='%s', content='%s'}", monthDay, to, from,
                subject, comment);
    }

    public String getMessageID() {
        return messageID;
    }

    public String getId() {
        return id;
    }

    public Date getReceivedDate() {
        return receivedDate;
    }

    public String getMonthDay() {
        return monthDay;
    }

    public Person getTo() {
        return to;
    }

    public Person getFrom() {
        return from;
    }

    public String getSubject() {
        return subject;
    }

    public String getComment() {
        return comment;
    }

    public static String parseContent(String content) {
        final String phase1 = FWD_PTN.matcher(content).replaceAll("$1");
        final String phase2 = SIG_PTN.matcher(phase1).replaceAll("$1");
        return phase2.trim();
    }

    public static void main(String[] args) throws MessagingException {
        AwesomeImap.fetchAwesome().forEach(System.out::println);
    }
}