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