org.apache.james.mailet.standard.mailets.AddFooter Maven / Gradle / Ivy

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package org.apache.james.mailet.standard.mailets;

import javax.mail.MessagingException;
import java.util.StringTokenizer;

/**
 * This mailet will attach text to the end of the message (like a footer).  Right
 * now it only supports simple messages without multiple parts.
 */
public class AddFooter extends AbstractAddFooter {

    /**
     * This is the plain text version of the footer we are going to add
     */
    String text = "";
    
    /**
     * Initialize the mailet
     */
    public void init() throws MessagingException {
        text = getInitParameter("text");
    }

    /**
     * This is exposed as a method for easy subclassing to provide alternate ways
     * to get the footer text.
     *
     * @return the footer text
     */
    public String getFooterText() {
        return text;
    }

    /**
     * This is exposed as a method for easy subclassing to provide alternate ways
     * to get the footer text.  By default, this will take the footer text,
     * converting the linefeeds to <br> tags.
     *
     * @return the HTML version of the footer text
     */
    public String getFooterHTML() {
        String text = getFooterText();
        StringBuilder sb = new StringBuilder();
        StringTokenizer st = new StringTokenizer(text, "\r\n", true);
        while (st.hasMoreTokens()) {
            String token = st.nextToken();
            if (token.equals("\r")) {
                continue;
            }
            if (token.equals("\n")) {
                sb.append("
\n");
            } else {
                sb.append(token);
            }
        }
        return sb.toString();
    }

    /**
     * Return a string describing this mailet.
     *
     * @return a string describing this mailet
     */
    public String getMailetInfo() {
        return "AddFooter Mailet";
    } 
}