Example usage for javax.servlet ServletContext getClassLoader

Introduction

In this page you can find the example usage for javax.servlet ServletContext getClassLoader.

Prototype

public ClassLoader getClassLoader();

Source Link

Document

Gets the class loader of the web application represented by this ServletContext.

Usage

From source file:com.tbodt.jswerve.servlet.JSwerveServlet.java

private void spiderWar(ServletContext ctx, String start, Set<Class<?>> classes) {
    for (String path : ctx.getResourcePaths(start))
        if (ctx.getResourcePaths(path) != null && !ctx.getResourcePaths(path).isEmpty())
            spiderWar(ctx, path, classes);
        else if (path.endsWith(".class"))
            try {
                classes.add(ctx.getClassLoader().loadClass(path
                        .substring("/WEB-INF/classes/".length(), path.indexOf(".class")).replace('/', '.')));
            } catch (ClassNotFoundException ex) {
                throw new WTFException("class" + ex.getMessage() + " not found! but I saw it!");
            }/*  www  .j a  v a  2s  . c om*/
}

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From source file:com.google.zxing.web.DecodeServlet.java

@Override
public void init(ServletConfig servletConfig) throws ServletException {
    Logger logger = Logger.getLogger("com.google.zxing");
    ServletContext context = servletConfig.getServletContext();
    logger.addHandler(new ServletContextLogHandler(context));
    File repository = (File) context.getAttribute("javax.servlet.context.tempdir");
    FileCleaningTracker fileCleaningTracker = FileCleanerCleanup.getFileCleaningTracker(context);
    diskFileItemFactory = new DiskFileItemFactory(1 << 16, repository);
    diskFileItemFactory.setFileCleaningTracker(fileCleaningTracker);

    URL blockURL = context.getClassLoader().getResource("/private/uri-block-substrings.txt");
    if (blockURL == null) {
        blockedURLSubstrings = Collections.emptyList();
    } else {/* www . jav  a  2 s.co  m*/
        try {
            blockedURLSubstrings = Resources.readLines(blockURL, StandardCharsets.UTF_8);
        } catch (IOException ioe) {
            throw new ServletException(ioe);
        }
        log.info("Blocking URIs containing: " + blockedURLSubstrings);
    }
}

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From source file:password.pwm.http.servlet.resource.ResourceFileServlet.java

private static FileResource handleWebjarURIs(final ServletContext servletContext, final String resourcePathUri)
        throws PwmUnrecoverableException {
    if (resourcePathUri.startsWith(WEBJAR_BASE_URL_PATH)) {
        // This allows us to override a webjar file, if needed.  Mostly helpful during development.
        final File file = new File(servletContext.getRealPath(resourcePathUri));
        if (file.exists()) {
            return new RealFileResource(file);
        }//from   w w w.j av a 2s  . c om

        final String remainingPath = resourcePathUri.substring(WEBJAR_BASE_URL_PATH.length(),
                resourcePathUri.length());

        final String webJarName;
        final String webJarPath;
        {
            final int slashIndex = remainingPath.indexOf("/");
            if (slashIndex < 0) {
                return null;
            }
            webJarName = remainingPath.substring(0, slashIndex);
            webJarPath = remainingPath.substring(slashIndex + 1, remainingPath.length());
        }

        final String versionString = WEB_JAR_VERSION_MAP.get(webJarName);
        if (versionString == null) {
            return null;
        }

        final String fullPath = WEBJAR_BASE_FILE_PATH + "/" + webJarName + "/" + versionString + "/"
                + webJarPath;
        if (WEB_JAR_ASSET_LIST.contains(fullPath)) {
            final ClassLoader classLoader = servletContext.getClassLoader();
            final InputStream inputStream = classLoader.getResourceAsStream(fullPath);

            if (inputStream != null) {
                return new InputStreamFileResource(inputStream, fullPath);
            }
        }
    }

    return null;
}

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