AbstractNotify.java :  » Wiki-Engine » VeryQuickWiki » vqwiki » Java Open Source

/**
 * @author garethc
 *  22/10/2002 11:52:37
 */
package vqwiki;

import java.util.Collection;
import java.util.Iterator;
import java.util.Locale;
import java.util.ResourceBundle;

import org.apache.log4j.Logger;

import vqwiki.utils.Utilities;
import vqwiki.utils.JSPUtils;

public abstract class AbstractNotify implements Notify {

    private static final Logger logger = Logger.getLogger(AbstractNotify.class);
    protected String topicName;
    protected String virtualWiki;

    /**
     *
     */
    public abstract void addMember(String userName) throws Exception;

    /**
     *
     */
    public abstract void removeMember(String userName) throws Exception;

    /**
     *
     */
    public abstract boolean isMember(String userName) throws Exception;

    /**
     *
     */
    public abstract Collection getMembers() throws Exception;

    /**
     *
     */
    public boolean sendNotifications(String rootPath, Locale locale) throws Exception {
        logger.debug("sending notifications for path " + rootPath);
        ResourceBundle messages =
            ResourceBundle.getBundle("ApplicationResources", locale);
        WikiMembers members = WikiBase.getInstance().getWikiMembersInstance(virtualWiki);
        logger.debug(members.getAllMembers().size() + " members found");
        WikiMail mailer = WikiMail.getInstance();
        Iterator anIterator = getMembers().iterator();
        while (anIterator.hasNext()) {
            String aUsername = (String) anIterator.next();
            logger.debug("notification for " + aUsername);
            WikiMember aMember = members.findMemberByName(aUsername);
            String replyAddress = Environment.getInstance().getStringSetting(Environment.PROPERTY_REPLY_ADDRESS);
            StringBuffer buffer = new StringBuffer();
            buffer.append(messages.getString("mail.notification.body.line1"));
            buffer.append(topicName);
            buffer.append("\n");
            if (!this.virtualWiki.equals(WikiBase.DEFAULT_VWIKI)) {
                buffer.append(messages.getString("mail.notification.body.line2"));
                buffer.append(this.virtualWiki);
                buffer.append("\n");
            }
            buffer.append(rootPath + "Wiki?" + JSPUtils.encodeURL(topicName));
            buffer.append("\n");
            Topic topicObject = new Topic(topicName);
            String author = null;
            java.util.Date lastRevisionDate = null;
            if (Environment.getInstance().isVersioningOn()) {
                lastRevisionDate = topicObject.getMostRecentRevisionDate(virtualWiki);
                if (lastRevisionDate != null) {
                    buffer.append(messages.getString("mail.notification.body.revision") + Utilities.formatDateTime(lastRevisionDate) + "\n");
                    Collection c = WikiBase.getInstance().getChangeLogInstance().getChanges(virtualWiki, lastRevisionDate);
                    if (c != null) {
                        Iterator it = c.iterator();
                        while (it.hasNext()) {
                            Change thischange = (Change) it.next();
                            if (thischange.getTopic().equals(topicName)) {
                                author = thischange.getUser();
                            }
                        }
                    }
                }
            }
            if (author != null) {
                buffer.append(messages.getString("mail.notification.body.author") + author + "\n");
            }
            buffer.append("\n" + messages.getString("mail.notification.body.diff") + "\n" + topicObject.mostRecentDiff(this.virtualWiki, false));
            buffer.append("\n\n\n----\n\n");
            buffer.append(messages.getString("mail.unsubscribe") + " <");
            buffer.append(rootPath);
            buffer.append("Wiki?action=" + Environment.getInstance().getActionNotify());
            buffer.append("&notify_action=notify_off&topic=" + JSPUtils.encodeURL(topicName));
            buffer.append("&username=" + JSPUtils.encodeURL(aUsername) + ">");
            logger.debug("Sending notification email to " + aMember.getEmail() + " for " + virtualWiki + "/" + topicName);
            String mailTopicName = topicName;
            if (mailTopicName.length() > 25) {
                mailTopicName = topicName.substring(0,25);
            }
            mailer.sendMail(replyAddress, aMember.getEmail(), messages.getString("mail.notification.subject") + mailTopicName, buffer.toString());
        }
        return true;
    }

    /**
     *
     */
    public String getTopicName() {
        return topicName;
    }

    /**
     *
     */
    public String getVirtualWiki() {
        return virtualWiki;
    }
}