Source Code Cross Referenced for AbstractNotification.java in  » Blogger-System » blojsom-3.1 » org » blojsom » plugin » notification » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Blogger System » blojsom 3.1 » org.blojsom.plugin.notification 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Copyright (c) 2003-2007, David A. Czarnecki
003:         * All rights reserved.
004:         *
005:         * Redistribution and use in source and binary forms, with or without
006:         * modification, are permitted provided that the following conditions are met:
007:         *
008:         * Redistributions of source code must retain the above copyright notice, this list of conditions and the
009:         *     following disclaimer.
010:         * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
011:         *     following disclaimer in the documentation and/or other materials provided with the distribution.
012:         * Neither the name of "David A. Czarnecki" and "blojsom" nor the names of its contributors may be used to
013:         *     endorse or promote products derived from this software without specific prior written permission.
014:         * Products derived from this software may not be called "blojsom", nor may "blojsom" appear in their name,
015:         *     without prior written permission of David A. Czarnecki.
016:         *
017:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
018:         * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
019:         * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
020:         * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
021:         * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
022:         * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
023:         * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
024:         * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
025:         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
026:         * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
027:         * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
028:         * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
029:         * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
030:         */package org.blojsom.plugin.notification;
031:
032:        import org.apache.commons.logging.Log;
033:        import org.apache.commons.logging.LogFactory;
034:        import org.apache.commons.mail.EmailException;
035:        import org.apache.commons.mail.HtmlEmail;
036:
037:        import java.net.URL;
038:        import java.util.Iterator;
039:        import java.util.List;
040:
041:        public abstract class AbstractNotification implements  Notification {
042:
043:            private Log _logger;
044:
045:            protected String charEncoding;
046:
047:            protected URL emailTemplate;
048:
049:            protected String mailServer;
050:
051:            protected String contentType;
052:
053:            /**
054:             * Create a new abstract notification
055:             *
056:             * @param emailTemplate E-mail template
057:             * @param charEncoding Character encoding
058:             * @param mailServer Mail server name
059:             * @param contentType Content type
060:             */
061:            public AbstractNotification(URL emailTemplate, String charEncoding,
062:                    String mailServer, String contentType) {
063:                _logger = LogFactory.getLog(AbstractNotification.class);
064:                if (emailTemplate == null) {
065:                    throw new IllegalArgumentException(
066:                            "The emailTemplate argument cannot be null.  Cannot send notification email.");
067:                } else {
068:                    this .charEncoding = charEncoding;
069:                    this .emailTemplate = emailTemplate;
070:                    this .mailServer = mailServer;
071:                    this .contentType = contentType;
072:                }
073:            }
074:
075:            /**
076:             * Send the e-mail
077:             *
078:             * @throws EmailException If there is an error sending the e-mail
079:             */
080:            public void send() throws EmailException {
081:                try {
082:                    HtmlEmail mail = new HtmlEmail();
083:                    if (getRecipients() != null) {
084:                        String recipient;
085:                        for (Iterator iter = getRecipients().iterator(); iter
086:                                .hasNext(); mail.addTo(recipient))
087:                            recipient = (String) iter.next();
088:
089:                    }
090:                    if (getCarbonCopyRecipients() != null) {
091:                        String cc;
092:                        for (Iterator iter = getCarbonCopyRecipients()
093:                                .iterator(); iter.hasNext(); mail.addHeader(
094:                                "Cc", cc))
095:                            cc = (String) iter.next();
096:
097:                    }
098:                    if (getBlindCarbonCopyRecipients() != null) {
099:                        String bcc;
100:                        for (Iterator iter = getBlindCarbonCopyRecipients()
101:                                .iterator(); iter.hasNext(); mail.addHeader(
102:                                "Bcc", bcc))
103:                            bcc = (String) iter.next();
104:
105:                    }
106:                    mail.setFrom(getSender());
107:                    mail.setSubject(getSubject());
108:                    mail.setHtmlMsg(getMessage());
109:                    mail.setHostName(mailServer);
110:                    mail.send();
111:                    _logger.info((new StringBuffer()).append("Email sent to ")
112:                            .append(getRecipients().toString()).toString());
113:                } catch (Exception e) {
114:                    throw new EmailException("Could not send the email", e);
115:                }
116:            }
117:
118:            /**
119:             * Retrieve the sender
120:             *
121:             * @return Sender
122:             */
123:            protected abstract String getSender();
124:
125:            /**
126:             * Retrieve the list of recipients
127:             *
128:             * @return Recipients
129:             */
130:            protected abstract List getRecipients();
131:
132:            /**
133:             * Retrieve the e-mail message content
134:             *
135:             * @return E-mail message
136:             * @throws Exception If there is an error getting the content
137:             */
138:            protected abstract String getMessage() throws Exception;
139:
140:            /**
141:             * Retrieve the subject
142:             *
143:             * @return Subject
144:             */
145:            protected abstract String getSubject();
146:
147:            /**
148:             * Retrieve the list of CC recipients
149:             *
150:             * @return List of CC recipients 
151:             */
152:            protected abstract List getCarbonCopyRecipients();
153:
154:            /**
155:             * Retrieve the list of BCC recipients
156:             *
157:             * @return List of BCC recipients
158:             */
159:            protected abstract List getBlindCarbonCopyRecipients();
160:
161:            /**
162:             * Encode regex characters in a string
163:             *
164:             * @param string Input
165:             * @return Encoded regex characters
166:             */
167:            protected String encodeRegexCharacters(String string) {
168:                return string.replaceAll("\\$", "$");
169:            }
170:
171:            /**
172:             * Retrieve the e-mail template
173:             *
174:             * @return E-mail template
175:             */
176:            protected URL getEmailTemplate() {
177:                return emailTemplate;
178:            }
179:        }
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