com.github.persapiens.jsfboot.undertow.JsfUndertowDeploymentInfoCustomizer.java Source code

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Here is the source code for com.github.persapiens.jsfboot.undertow.JsfUndertowDeploymentInfoCustomizer.java

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/*
 * Copyright 2016-2016 the original author or authors.
 *
 * Licensed 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 com.github.persapiens.jsfboot.undertow;

import java.net.URL;
import java.net.URLClassLoader;
import java.security.AccessController;
import java.security.PrivilegedAction;

import io.undertow.server.handlers.resource.ClassPathResourceManager;
import io.undertow.servlet.api.DeploymentInfo;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.springframework.boot.context.embedded.undertow.UndertowDeploymentInfoCustomizer;

/**
 * Configure undertow to load jsf resources from classpath.
 * @author Marcelo Fernandes
 */
public class JsfUndertowDeploymentInfoCustomizer implements UndertowDeploymentInfoCustomizer {

    private final UndertowProperties undertowProperties;

    private static final Logger LOGGER = LoggerFactory.getLogger(JsfUndertowDeploymentInfoCustomizer.class);

    public JsfUndertowDeploymentInfoCustomizer(UndertowProperties undertowProperties) {
        this.undertowProperties = undertowProperties;
    }

    @Override
    public void customize(final DeploymentInfo di) {
        AccessController.doPrivileged(new PrivilegedAction<Void>() {
            @Override
            public Void run() {
                ClassLoader jsfClassLoader = new URLClassLoader(new URL[0], this.getClass().getClassLoader());
                di.setClassLoader(jsfClassLoader);

                di.setResourceManager(
                        new ClassPathResourceManager(jsfClassLoader, undertowProperties.getClassPathResource()));

                return null;
            }
        });

        LOGGER.info("Setting Undertow classLoader to " + undertowProperties.getClassPathResource() + " directory");
    }
}