/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.pvm.internal.wire.binding;
import org.w3c.dom.DocumentFragment;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.jbpm.pvm.internal.email.impl.AddressTemplate;
import org.jbpm.pvm.internal.email.impl.AttachmentTemplate;
import org.jbpm.pvm.internal.email.impl.MailTemplate;
import org.jbpm.pvm.internal.email.impl.MailTemplateRegistry;
import org.jbpm.pvm.internal.util.XmlUtil;
import org.jbpm.pvm.internal.wire.WireDefinition;
import org.jbpm.pvm.internal.wire.descriptor.ProvidedObjectDescriptor;
import org.jbpm.pvm.internal.xml.Parse;
import org.jbpm.pvm.internal.xml.Parser;
/**
* @author Alejandro Guizar
*/
public class MailTemplateBinding extends WireDescriptorBinding {
public MailTemplateBinding() {
super("mail-template");
}
public Object parse(Element element, Parse parse, Parser parser) {
// MailTemplateRegistry is added to the WireDescriptor with a ProvidedObjectDescriptor
// The MailTemplateRegistry descriptor is lazy initialized by this binding
// mail-template will add a MailTemplate to the MailTemplateRegistry
ProvidedObjectDescriptor templateRegistryDescriptor;
MailTemplateRegistry templateRegistry;
WireDefinition wireDefinition = parse.findObject(WireDefinition.class);
String templateRegistryDescriptorName = (wireDefinition != null ? wireDefinition.getDescriptorName(MailTemplateRegistry.class) : null);
if (templateRegistryDescriptorName != null) {
templateRegistryDescriptor = (ProvidedObjectDescriptor) wireDefinition.getDescriptor(templateRegistryDescriptorName);
templateRegistry = (MailTemplateRegistry) templateRegistryDescriptor.getProvidedObject();
} else {
templateRegistry = new MailTemplateRegistry();
templateRegistryDescriptor = new ProvidedObjectDescriptor(templateRegistry, true);
}
// create the mail template and add it to the registry
MailTemplate mailTemplate = parseMailTemplate(element, parse);
String templateName = XmlUtil.attribute(element, "name", true, parse);
templateRegistry.addTemplate(templateName, mailTemplate);
return templateRegistryDescriptor;
}
public static MailTemplate parseMailTemplate(Element element, Parse parse) {
MailTemplate mailTemplate = new MailTemplate();
mailTemplate.setLanguage(XmlUtil.attribute(element, "language"));
mailTemplate.setFrom(parseRecipientTemplate(element, "from", parse));
mailTemplate.setTo(parseRecipientTemplate(element, "to", parse));
mailTemplate.setCc(parseRecipientTemplate(element, "cc", parse));
mailTemplate.setBcc(parseRecipientTemplate(element, "bcc", parse));
Element subjectElement = XmlUtil.element(element, "subject");
if (subjectElement != null) {
mailTemplate.setSubject(XmlUtil.getContentText(subjectElement));
}
Element textElement = XmlUtil.element(element, "text");
if (textElement != null) {
mailTemplate.setText(XmlUtil.getContentText(textElement));
}
Element htmlElement = XmlUtil.element(element, "html");
if (htmlElement != null) {
// extract child nodes from html element
DocumentFragment fragment = htmlElement.getOwnerDocument().createDocumentFragment();
for (Node child = htmlElement.getFirstChild(), next; child != null; child = next) {
next = child.getNextSibling();
fragment.appendChild(child);
}
mailTemplate.setHtml(XmlUtil.toString(fragment));
}
// attachments
Element attachmentsElement = XmlUtil.element(element, "attachments");
if (attachmentsElement != null) {
for (Element attachmentElement : XmlUtil.elements(attachmentsElement, "attachment")) {
AttachmentTemplate attachmentTemplate = new AttachmentTemplate();
mailTemplate.addAttachmentTemplate(attachmentTemplate);
attachmentTemplate.setUrl(XmlUtil.attribute(attachmentElement, "url"));
attachmentTemplate.setResource(XmlUtil.attribute(attachmentElement, "resource"));
attachmentTemplate.setFile(XmlUtil.attribute(attachmentElement, "file"));
}
}
return mailTemplate;
}
private static AddressTemplate parseRecipientTemplate(Element element, String tagName, Parse parse) {
Element recipientElement = XmlUtil.element(element, tagName);
if (recipientElement == null) return null;
String addresses = XmlUtil.attribute(recipientElement, "addresses");
String users = XmlUtil.attribute(recipientElement, "users");
String groups = XmlUtil.attribute(recipientElement, "groups");
if (addresses == null && users == null && groups == null) {
parse.addProblem(tagName + " does not specify any recipient", element);
}
AddressTemplate addressTemplate = new AddressTemplate();
addressTemplate.setAddresses(addresses);
addressTemplate.setUsers(users);
addressTemplate.setGroups(groups);
return addressTemplate;
}
}