/*
* 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.isis.viewer.xhtml.viewer.html;
import java.io.IOException;
import java.io.StringWriter;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import org.apache.isis.viewer.xhtml.viewer.tree.Attribute;
import org.apache.isis.viewer.xhtml.viewer.tree.Element;
import org.jdom.output.XMLOutputter;
/**
* TODO: add in support for base URI in generated XML docs?
*/
public class XhtmlTemplate {
private final Element html;
private Element head;
private Element body;
public XhtmlTemplate(final String titleStr, final HttpServletRequest servletRequest,
final String... javaScriptFiles) {
this(titleStr, servletRequest.getSession().getServletContext(), javaScriptFiles);
}
private XhtmlTemplate(final String titleStr, final ServletContext servletContext, final String... javaScriptFiles) {
this.html = new Element("html");
addHeadAndTitle(titleStr);
for (final String javaScriptFile : javaScriptFiles) {
final Element script = new Element("script");
script.addAttribute(new Attribute("type", "text/javascript"));
script.addAttribute(new Attribute("src", "/" + javaScriptFile));
script.appendChild(""); // force the </script> to be separate.
head.appendChild(script);
}
addBody();
}
private void addHeadAndTitle(final String titleStr) {
head = new Element("head");
html.appendChild(head);
final Element title = new Element("title");
title.appendChild(titleStr);
head.appendChild(title);
}
/**
* Adds a <body id="body"> element.
*
* <p>
* The <tt>id</tt> attribute is so that Javascript can use <tt>document.getElementById("body");</tt>
*
*/
private void addBody() {
body = new Element("body");
body.addAttribute(new Attribute("id", "body"));
html.appendChild(body);
}
public XhtmlTemplate appendToBody(final Element... elements) {
for (final Element element : elements) {
body.appendChild(element);
}
return this;
}
public void appendToDiv(final Element div, final Element... elements) {
for (final Element element : elements) {
div.appendChild(element);
}
}
public String toXML() {
return xmlUsingToXmlMethod();
}
private String xmlUsingToXmlMethod() {
org.jdom.Document document = new org.jdom.Document(html.xmlElement);
StringWriter sw = new StringWriter();
XMLOutputter xmlOutputter = new XMLOutputter();
try {
xmlOutputter.output(document, sw);
return sw.toString();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}