001/*
002 * (C) Copyright 2006-2010 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Nuxeo - initial API and implementation
018 *     Vilogia - Mail address formatting
019 *
020 */
021
022package org.nuxeo.ecm.platform.mail.jsf.converter;
023
024import java.util.regex.Matcher;
025import java.util.regex.Pattern;
026
027import javax.faces.component.UIComponent;
028import javax.faces.context.FacesContext;
029import javax.faces.convert.Converter;
030
031import static java.util.regex.Pattern.*;
032
033/**
034 * Simple mail address converter: most of the addresses imported from the POP3 or IMAP mailbox simply return the string
035 * "null <[email protected]>". To avoid a list of nulls this converter removes the "null" aliases and only keep
036 * the mail address. Also return a mailto: link to the sender.
037 *
038 * @author <a href="mailto:[email protected]">Christophe Capon</a>
039 */
040public class MailAddressConverter implements Converter {
041
042    private static final String EMAIL_REGEXP = "(.*)<([A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,4})>";
043
044    private static final Pattern pattern = compile(EMAIL_REGEXP, CASE_INSENSITIVE);
045
046    public Object getAsObject(FacesContext ctx, UIComponent uiComp, String inStr) {
047        return inStr;
048    }
049
050    public String getAsString(FacesContext ctx, UIComponent uiComp, Object inObj) {
051        if (null == inObj) {
052            return null;
053        }
054
055        if (inObj instanceof String) {
056            String inStr = (String) inObj;
057            Matcher m = pattern.matcher(inStr);
058
059            if (m.matches()) {
060                String alias = m.group(1);
061                String email = m.group(2);
062
063                if (alias.trim().toLowerCase().equals("null")) {
064                    alias = email;
065                }
066
067                return String.format("<a href=\"mailto:%s\">%s</a>", email, alias);
068
069            } else {
070                return inStr;
071            }
072        } else {
073            return inObj.toString();
074        }
075    }
076
077}