com.hypersocket.server.handlers.impl.ClasspathContentHandler.java Source code

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Here is the source code for com.hypersocket.server.handlers.impl.ClasspathContentHandler.java

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/*******************************************************************************
 * Copyright (c) 2013 Hypersocket Limited.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 ******************************************************************************/
package com.hypersocket.server.handlers.impl;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Date;

import org.apache.http.HttpStatus;
import org.slf4j.Logger;

import com.hypersocket.utils.HypersocketUtils;

public class ClasspathContentHandler extends ContentHandlerImpl {

    static Logger log = org.slf4j.LoggerFactory.getLogger(ClasspathContentHandler.class);
    String classpathPrefix;

    public ClasspathContentHandler(String classpathPrefix, int priority) {
        super("classpath:" + classpathPrefix, priority);
        this.classpathPrefix = classpathPrefix;
    }

    public String getResourceName() {
        return "classpath";
    }

    @Override
    public InputStream getResourceStream(String path) throws FileNotFoundException {
        return getClass().getResourceAsStream(classpathPrefix + "/" + path);
    }

    @Override
    public long getResourceLength(String path) {
        return -1;
    }

    @Override
    public long getLastModified(String path) {
        try {
            URL url = getClass().getResource(classpathPrefix + "/" + path);
            if (log.isDebugEnabled()) {
                log.debug("Processing resource URL " + url.toURI().toString());
            }
            int idx;
            File jarFile;
            if ((idx = url.toURI().toString().indexOf("!")) > -1) {
                jarFile = new File(url.toURI().toString().substring(9, idx));
            } else {
                jarFile = new File(url.toURI());
            }

            if (log.isInfoEnabled()) {
                Date modified = new Date(jarFile.lastModified());
                if (log.isDebugEnabled()) {
                    log.debug("Jar file " + jarFile.getAbsolutePath() + " last modified "
                            + HypersocketUtils.formatDateTime(modified));
                }
            }
            return jarFile.lastModified();
        } catch (URISyntaxException e) {
        }

        return System.currentTimeMillis();
    }

    @Override
    public int getResourceStatus(String path) {

        URL url = getClass().getResource(classpathPrefix + "/" + path);

        if (url != null) {
            return HttpStatus.SC_OK;
        } else {
            return HttpStatus.SC_NOT_FOUND;
        }
    }

}