com.rabbitstewdio.build.maven.tomcat.ClasspathServlet.java Source code

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Here is the source code for com.rabbitstewdio.build.maven.tomcat.ClasspathServlet.java

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/**
 * Copyright 2013 Alistair Dutton
 *
 * 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.rabbitstewdio.build.maven.tomcat;

import org.apache.maven.plugin.logging.Log;

import java.io.InputStream;
import java.net.URL;
import java.net.URLClassLoader;

public class ClasspathServlet extends AbstractContentServlet {
    private final ClassLoader projectClassLoader;

    public ClasspathServlet(ClassLoader projectClassLoader, Log log) {
        super(log);
        this.projectClassLoader = projectClassLoader;

        if (log.isDebugEnabled()) {
            log.debug("Begin Logging Classloader for " + projectClassLoader);
            ClassLoader cl = projectClassLoader;
            while (cl.getParent() != null && cl.getParent() != cl) {
                if (cl instanceof URLClassLoader) {
                    URLClassLoader ucl = (URLClassLoader) cl;
                    for (URL url : ucl.getURLs()) {
                        log.info("  => " + url);
                    }
                }
                log.debug("-> " + cl);
                cl = cl.getParent();
            }
            log.debug("Finished Logging Classloader for " + projectClassLoader);
        }
    }

    @Override
    protected InputStream findResource(String path) {
        if (path.startsWith("/")) {
            return projectClassLoader.getResourceAsStream(path.substring(1));
        }
        return projectClassLoader.getResourceAsStream(path);
    }
}