freemarker.ext.jsp.FreeMarkerJspFactory21 Maven / Gradle / Ivy
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Liferay Portal Template FreeMarker
/*
* 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 freemarker.ext.jsp;
import javax.servlet.ServletContext;
import javax.servlet.jsp.JspApplicationContext;
/**
*/
class FreeMarkerJspFactory21 extends FreeMarkerJspFactory {
private static final String JSPCTX_KEY =
FreeMarkerJspFactory21.class.getName() + "#jspAppContext";
@Override
protected String getSpecificationVersion() {
return "2.1";
}
@Override
public JspApplicationContext getJspApplicationContext(ServletContext ctx) {
JspApplicationContext jspctx = (JspApplicationContext) ctx.getAttribute(
JSPCTX_KEY);
if (jspctx == null) {
synchronized (ctx) {
jspctx = (JspApplicationContext) ctx.getAttribute(JSPCTX_KEY);
if (jspctx == null) {
jspctx = new FreeMarkerJspApplicationContext();
ctx.setAttribute(JSPCTX_KEY, jspctx);
}
}
}
return jspctx;
}
}
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