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java/org/apache/naming/factory/SendMailFactory.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.naming.factory;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Enumeration;
+import java.util.Hashtable;
+import java.util.Properties;
+
+import javax.mail.Session;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import javax.mail.internet.MimePartDataSource;
+import javax.naming.Context;
+import javax.naming.Name;
+import javax.naming.RefAddr;
+import javax.naming.Reference;
+import javax.naming.spi.ObjectFactory;
+
+/**
+ * Factory class that creates a JNDI named javamail MimePartDataSource
+ * object which can be used for sending email using SMTP.
+ * <p>
+ * Can be configured in the Context scope
+ * of your server.xml configuration file.
+ * <p>
+ * Example:
+ * <pre>
+ * &lt;Resource name="mail/send" auth="CONTAINER"
+ *           type="javax.mail.internet.MimePartDataSource"/&gt;
+ * &lt;ResourceParams name="mail/send"&gt;
+ *   &lt;parameter&gt;&lt;name&gt;factory&lt;/name&gt;
+ *     &lt;value&gt;org.apache.naming.factory.SendMailFactory&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ *   &lt;parameter&gt;&lt;name&gt;mail.smtp.host&lt;/name&gt;
+ *     &lt;value&gt;your.smtp.host&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ *   &lt;parameter&gt;&lt;name&gt;mail.smtp.user&lt;/name&gt;
+ *     &lt;value&gt;someuser&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ *   &lt;parameter&gt;&lt;name&gt;mail.from&lt;/name&gt;
+ *     &lt;value&gt;someuser@some.host&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ *   &lt;parameter&gt;&lt;name&gt;mail.smtp.sendpartial&lt;/name&gt;
+ *     &lt;value&gt;true&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ *  &lt;parameter&gt;&lt;name&gt;mail.smtp.dsn.notify&lt;/name&gt;
+ *     &lt;value&gt;FAILURE&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ *   &lt;parameter&gt;&lt;name&gt;mail.smtp.dsn.ret&lt;/name&gt;
+ *     &lt;value&gt;FULL&lt;/value&gt;
+ *   &lt;/parameter&gt;
+ * &lt;/ResourceParams&gt;
+ * </pre>
+ *
+ * @author Glenn Nielsen Rich Catlett
+ */
+
+public class SendMailFactory implements ObjectFactory
+{
+    // The class name for the javamail MimeMessageDataSource
+    protected static final String DataSourceClassName =
+        "javax.mail.internet.MimePartDataSource";
+
+    @Override
+    public Object getObjectInstance(Object refObj, Name name, Context ctx,
+            Hashtable<?,?> env) throws Exception {
+        final Reference ref = (Reference)refObj;
+
+        // Creation of the DataSource is wrapped inside a doPrivileged
+        // so that javamail can read its default properties without
+        // throwing Security Exceptions
+        if (ref.getClassName().equals(DataSourceClassName)) {
+            return AccessController.doPrivileged(
+                    new PrivilegedAction<MimePartDataSource>()
+            {
+                @Override
+                public MimePartDataSource run() {
+                    // set up the smtp session that will send the message
+                    Properties props = new Properties();
+                    // enumeration of all refaddr
+                    Enumeration<RefAddr> list = ref.getAll();
+                    // current refaddr to be set
+                    RefAddr refaddr;
+                    // set transport to smtp
+                    props.put("mail.transport.protocol", "smtp");
+
+                    while (list.hasMoreElements()) {
+                        refaddr = list.nextElement();
+
+                        // set property
+                        props.put(refaddr.getType(), refaddr.getContent());
+                    }
+                    MimeMessage message = new MimeMessage(
+                        Session.getInstance(props));
+                    try {
+                        RefAddr fromAddr = ref.get("mail.from");
+                        String from = null;
+                        if (fromAddr != null) {
+                            from = (String)ref.get("mail.from").getContent();
+                        }
+                        if (from != null) {
+                            message.setFrom(new InternetAddress(from));
+                        }
+                        message.setSubject("");
+                    } catch (Exception e) {/*Ignore*/}
+                    MimePartDataSource mds = new MimePartDataSource(message);
+                    return mds;
+                }
+            } );
+        }
+        else { // We can't create an instance of the DataSource
+            return null;
+        }
+    }
+}