Example usage for javax.servlet ServletContext getResource

Introduction

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

Prototype

public URL getResource(String path) throws MalformedURLException;

Source Link

Document

Returns a URL to the resource that is mapped to the given path.

Usage

From source file:com.liferay.portal.deploy.hot.ExtHotDeployListener.java

protected void doInvokeUndeploy(HotDeployEvent event) throws Exception {
    ServletContext servletContext = event.getServletContext();

    String servletContextName = servletContext.getServletContextName();

    if (_log.isDebugEnabled()) {
        _log.debug("Invoking undeploy for " + servletContextName);
    }/*from  w  ww  .  j a v  a2s. c o  m*/

    String xml = HttpUtil
            .URLtoString(servletContext.getResource("/WEB-INF/ext-" + servletContextName + ".xml"));

    if (xml == null) {
        return;
    }

    if (_log.isInfoEnabled()) {
        _log.info("Extension environment for " + servletContextName + " will not be undeployed");
    }
}

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From source file:com.aurel.track.dbase.HandleHome.java

/**
 * This method copies resources/SSO folder and content from war into Trackplus_Home.
 * @param context/*w  w w.  j a  va  2  s . co m*/
 * @throws IOException
 * @throws ServletException
 */
public static void copySSOFolder(ServletContext context) {
    File ssoDirInHome = new File(HandleHome.getTrackplus_Home() + File.separator + SSO_DIR);
    if (!ssoDirInHome.exists()) {
        ssoDirInHome.mkdir();
        LOGGER.info("Creating folder for SSO in Track home: " + ssoDirInHome.getPath());
        URL rootTillFolder = null;
        String rootPathTillFolder = null;
        try {
            rootTillFolder = context.getResource("/WEB-INF/classes/resources/SSO");
        } catch (IOException ioEx) {
            LOGGER.error("Some errors happened while copying SSO folder from war into Track_Home!");
            LOGGER.error(ExceptionUtils.getStackTrace(ioEx));
        }
        rootPathTillFolder = rootTillFolder.getPath();
        rootPathTillFolder = rootPathTillFolder.substring(rootPathTillFolder.indexOf("/WEB-INF"),
                rootPathTillFolder.length());
        Set<String> folderContent = context.getResourcePaths(rootPathTillFolder);
        String folderNameFound = null;
        for (String fileNameWithPath : folderContent) {
            if (fileNameWithPath.endsWith(".jar")) {
                LOGGER.info("Copying following jar file into Track_home/" + SSO_DIR + ": " + fileNameWithPath);
                String fileName = fileNameWithPath.replace("/WEB-INF/classes/resources/SSO/", "");
                try {
                    copyObject(context, "resources/SSO", fileName, SSO_DIR);
                } catch (ServletException servEx) {
                    LOGGER.error("Some errors happened while copying SSO folder from war into Track_Home!");
                    LOGGER.error(ExceptionUtils.getStackTrace(servEx));
                }
            } else {
                folderNameFound = fileNameWithPath.replace("/WEB-INF/classes/resources/SSO/", "");
            }
        }

        try {
            rootTillFolder = context.getResource("/WEB-INF/classes/resources/SSO/" + folderNameFound);
        } catch (IOException ioEx) {
            LOGGER.error("Some errors happened while copying SSO folder from war into Track_Home!");
            LOGGER.error(ExceptionUtils.getStackTrace(ioEx));
        }
        rootPathTillFolder = rootTillFolder.getPath();
        rootPathTillFolder = rootPathTillFolder.substring(rootPathTillFolder.indexOf("/WEB-INF"),
                rootPathTillFolder.length());
        folderContent = context.getResourcePaths(rootPathTillFolder);
        File ssoSubDirInHome = new File(
                HandleHome.getTrackplus_Home() + File.separator + SSO_DIR + File.separator + folderNameFound);
        if (!ssoSubDirInHome.exists()) {
            LOGGER.info("Creating sub folder in Track_home/SSO: " + ssoSubDirInHome.getPath());
            ssoSubDirInHome.mkdir();
        }
        for (String fileNameWithPath : folderContent) {
            String fileName = fileNameWithPath.replace("/WEB-INF/classes/resources/SSO/" + folderNameFound, "");
            LOGGER.info(
                    "Copying following file into  Track_home/SSO/" + folderNameFound + ": " + fileNameWithPath);
            try {
                copyObject(context, "resources/SSO" + "/" + folderNameFound, fileName,
                        SSO_DIR + "/" + folderNameFound);
            } catch (ServletException servEx) {
                LOGGER.error("Some errors happened while copying SSO folder from war into Track_Home!");
                LOGGER.error(ExceptionUtils.getStackTrace(servEx));
            }
        }
    }
}

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From source file:com.haulmont.cuba.web.sys.singleapp.SingleAppWebServletListener.java

@Override
public void contextInitialized(ServletContextEvent sce) {
    try {//  ww w.ja va2 s. c o  m
        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
        //need to put the following class to WebAppClassLoader, to share it between for web and core
        contextClassLoader.loadClass("com.haulmont.cuba.core.sys.remoting.LocalServiceDirectory");

        ServletContext servletContext = sce.getServletContext();
        String dependenciesFile;
        try {
            dependenciesFile = IOUtils.toString(servletContext.getResourceAsStream("/WEB-INF/web.dependencies"),
                    "UTF-8");
        } catch (IOException e) {
            throw new RuntimeException("An error occurred while loading dependencies file", e);
        }

        String[] dependenciesNames = dependenciesFile.split("\\n");
        URL[] urls = Arrays.stream(dependenciesNames).map((String name) -> {
            try {
                return servletContext.getResource("/WEB-INF/lib/" + name);
            } catch (MalformedURLException e) {
                throw new RuntimeException("An error occurred while loading dependency " + name, e);
            }
        }).toArray(URL[]::new);
        URLClassLoader webClassLoader = new CubaSingleAppClassLoader(urls, contextClassLoader);

        Thread.currentThread().setContextClassLoader(webClassLoader);
        Class<?> appContextLoaderClass = webClassLoader.loadClass(getAppContextLoaderClassName());
        appContextLoader = appContextLoaderClass.newInstance();

        Method setJarsNamesMethod = ReflectionUtils.findMethod(appContextLoaderClass, "setJarNames",
                String.class);
        ReflectionUtils.invokeMethod(setJarsNamesMethod, appContextLoader, dependenciesFile);

        Method contextInitializedMethod = ReflectionUtils.findMethod(appContextLoaderClass,
                "contextInitialized", ServletContextEvent.class);
        ReflectionUtils.invokeMethod(contextInitializedMethod, appContextLoader, sce);

        Thread.currentThread().setContextClassLoader(contextClassLoader);
    } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
        throw new RuntimeException("An error occurred while starting single WAR application", e);
    }
}

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From source file:com.liferay.portal.deploy.hot.ExtHotDeployListener.java

protected void doInvokeDeploy(HotDeployEvent event) throws Exception {
    ServletContext servletContext = event.getServletContext();

    String servletContextName = servletContext.getServletContextName();

    if (_log.isDebugEnabled()) {
        _log.debug("Invoking deploy for " + servletContextName);
    }// w  w w  .j av  a  2s. c  om

    String xml = HttpUtil
            .URLtoString(servletContext.getResource("/WEB-INF/ext-" + servletContextName + ".xml"));

    if (xml == null) {
        return;
    }

    if (_log.isInfoEnabled()) {
        _log.info("Registering extension environment for " + servletContextName);
    }

    if (ExtRegistry.isRegistered(servletContextName)) {
        if (_log.isInfoEnabled()) {
            _log.info("Extension environment for " + servletContextName + " has been applied.");
        }

        return;
    }

    Map<String, Set<String>> conflicts = ExtRegistry.getConflicts(servletContext);

    if (!conflicts.isEmpty()) {
        StringBundler sb = new StringBundler();

        sb.append("Extension environment for " + servletContextName
                + " cannot be applied because of detected conflicts:");

        Iterator<Map.Entry<String, Set<String>>> itr = conflicts.entrySet().iterator();

        while (itr.hasNext()) {
            Map.Entry<String, Set<String>> entry = itr.next();

            String conflictServletContextName = entry.getKey();
            Set<String> conflictFiles = entry.getValue();

            sb.append("\n\t");
            sb.append(conflictServletContextName);
            sb.append(":");

            for (String conflictFile : conflictFiles) {
                sb.append("\n\t\t");
                sb.append(conflictFile);
            }
        }

        _log.error(sb.toString());

        return;
    }

    installExt(servletContext, event.getContextClassLoader());

    FileAvailabilityUtil.reset();

    if (_log.isInfoEnabled()) {
        _log.info("Extension environment for " + servletContextName
                + " has been applied. You must reboot the server and " + "redeploy all other plugins.");
    }
}

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From source file:com.haulmont.cuba.core.sys.singleapp.SingleAppCoreServletListener.java

@Override
public void contextInitialized(ServletContextEvent sce) {
    try {//  w  w  w  .j  av a  2 s  . c om
        ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
        //need to put the following class to WebAppClassLoader, to share it between for web and core
        contextClassLoader.loadClass("com.haulmont.cuba.core.sys.remoting.LocalServiceDirectory");

        ServletContext servletContext = sce.getServletContext();
        String dependenciesFile;
        try {
            dependenciesFile = IOUtils
                    .toString(servletContext.getResourceAsStream("/WEB-INF/core.dependencies"), "UTF-8");
        } catch (IOException e) {
            throw new RuntimeException("An error occurred while loading dependencies file", e);
        }

        String[] dependenciesNames = dependenciesFile.split("\\n");
        URL[] urls = Arrays.stream(dependenciesNames).map((String name) -> {
            try {
                return servletContext.getResource("/WEB-INF/lib/" + name);
            } catch (MalformedURLException e) {
                throw new RuntimeException("An error occurred while loading dependency " + name, e);
            }
        }).toArray(URL[]::new);
        URLClassLoader coreClassLoader = new CubaSingleAppClassLoader(urls, contextClassLoader);

        Thread.currentThread().setContextClassLoader(coreClassLoader);
        Class<?> appContextLoaderClass = coreClassLoader.loadClass(getAppContextLoaderClassName());
        appContextLoader = appContextLoaderClass.newInstance();

        Method setJarsNamesMethod = ReflectionUtils.findMethod(appContextLoaderClass, "setJarNames",
                String.class);
        ReflectionUtils.invokeMethod(setJarsNamesMethod, appContextLoader, dependenciesFile);

        Method contextInitializedMethod = ReflectionUtils.findMethod(appContextLoaderClass,
                "contextInitialized", ServletContextEvent.class);
        ReflectionUtils.invokeMethod(contextInitializedMethod, appContextLoader, sce);

        Thread.currentThread().setContextClassLoader(contextClassLoader);
    } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
        throw new RuntimeException("An error occurred while starting single WAR application", e);
    }
}

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From source file:com.netspective.sparx.theme.basic.StandardTemplateNavigationSkin.java

public boolean templateAvailable(ServletContext servletContext, String name) throws IOException {
    // First try to open as plain file (to bypass servlet container resource caches).
    String realPath = servletContext.getRealPath(name);
    if (realPath != null) {
        File file = new File(realPath);
        if (!file.isFile())
            return false;

        if (file.canRead())
            return true;
    }/*from w  w  w  .  j ava 2s  .  co m*/

    // If it fails, try to open it with servletContext.getResource.
    URL url = null;
    try {
        url = servletContext.getResource(name);
    } catch (MalformedURLException e) {
        return false;
    }
    return url == null ? false : true;
}

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From source file:com.concursive.connect.config.Dictionary.java

/**
 * Description of the Method//from   w  ww  .j  a v a2 s  .  co m
 *
 * @param context          Description of the Parameter
 * @param languageFilePath Description of the Parameter
 * @param language         Description of the Parameter
 * @throws Exception Description of the Exception
 */
public void load(ServletContext context, String languageFilePath, String language) throws Exception {
    if (languageFilePath == null) {
        throw new Exception("Dictionary file path not provided");
    }
    if (!languageFilePath.endsWith("/") && !languageFilePath.endsWith(System.getProperty("file.separator"))) {
        languageFilePath += System.getProperty("file.separator");
    }
    String languageFilename = "dictionary_" + language + ".xml";
    LOG.debug("Loading dictionary preferences: " + languageFilePath + languageFilename);
    if (context != null) {
        load(context.getResource(languageFilePath + languageFilename));
    } else {
        load(new File(languageFilePath + languageFilename).toURL());
    }
}

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From source file:de.appsolve.padelcampus.utils.HtmlResourceUtil.java

private void copyResources(ServletContext context, String sourceFolder, File destinationFolder)
        throws MalformedURLException, IOException {
    Set<String> resourcePaths = context.getResourcePaths(sourceFolder);
    if (resourcePaths == null) {
        LOG.warn(String.format("Unable to find folder %s", sourceFolder));
    } else {/*from  w  w  w .j  ava 2  s. co m*/
        for (String resourcePath : resourcePaths) {
            if (resourcePath.endsWith("/")) { //must be a directory
                copyResources(context, resourcePath, destinationFolder);
            } else {
                URL resource = context.getResource(resourcePath);
                FileUtils.copyURLToFile(resource, new File(destinationFolder, resourcePath));
            }
        }
    }
}

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From source file:com.ideo.jso.Group.java

/**
 * Merge the content of a list of resources
 * @param names the name of the resources to merge
 * @param servletContext/*w ww. jav a 2 s.  c  o m*/
 * @return an array of byte[] representing the content merged
 * @throws IOException
 */
private byte[] getMergedContent(List names, ServletContext servletContext) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    for (Iterator iterator = names.iterator(); iterator.hasNext();) {
        String path = (String) iterator.next();
        if (!path.startsWith("/"))
            path = "/" + path;

        // load in a folder
        URL url = servletContext.getResource(path);
        if (url == null)
            //load in a jar
            url = getClass().getResource(path);

        if (url == null)
            throw new IOException("The resources '" + path
                    + "' could not be found neither in the webapp folder nor in a jar");

        log.debug("Merging content of group : " + getName());

        InputStream inputStream = url.openStream();
        InputStreamReader r = new InputStreamReader(inputStream);

        IOUtils.copy(r, baos, "ASCII");
        baos.write((byte) '\n');
        inputStream.close();
    }
    baos.close();
    return baos.toByteArray();
}

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From source file:Service.java

/**
 * Method that initializes the server variables. 
 *//*  w w  w. ja  va 2 s . com*/
public void init() throws ServletException {
    if (!gateInited) { //If GATE has been not initialized.
        try {
            // GATE home is setted, so it can be used by SAGA.
            ServletContext ctx = getServletContext();
            File gateHome = new File(ctx.getRealPath("/WEB-INF"));
            Gate.setGateHome(gateHome);
            // GATE user configuration file is setted. 
            Gate.setUserConfigFile(new File(gateHome, "user-gate.xml"));
            //GATE is initialized as non visible.
            Gate.init();
            // We load the plugins that are going to be used by the SAGA modules.
            // Load ANNIE.
            Gate.getCreoleRegister().registerDirectories(ctx.getResource("/WEB-INF/plugins/ANNIE"));
            // Load processingResources (from SAGA)
            Gate.getCreoleRegister()
                    .registerDirectories(ctx.getResource("/WEB-INF/plugins/processingResources"));
            // Load webProcessingResources (from SAGA)
            Gate.getCreoleRegister()
                    .registerDirectories(ctx.getResource("/WEB-INF/plugins/webProcessingResources"));
            // Now we create the sentiment analysis modules that are going to be provided by the service.
            // Spanish financial module.
            ArrayList<URL> dictionaries = new ArrayList<URL>();
            dictionaries.add((new Service()).getClass()
                    .getResource("/resources/gazetteer/finances/spanish/paradigma/lists.def"));
            modules.put("spFinancial",
                    new DictionaryBasedSentimentAnalyzer("SAGA - Sentiment Analyzer", dictionaries));
            // Emoticon module.
            ArrayList<URL> dictionaries2 = new ArrayList<URL>();
            dictionaries2
                    .add((new Service()).getClass().getResource("/resources/gazetteer/emoticon/lists.def"));
            modules.put("emoticon",
                    new DictionaryBasedSentimentAnalyzer("SAGA - Sentiment Analyzer", dictionaries2));
            // Spanish financial + emoticon module.
            ArrayList<URL> dictionaries3 = new ArrayList<URL>();
            dictionaries3.add((new Service()).getClass()
                    .getResource("/resources/gazetteer/finances/spanish/paradigma/lists.def"));
            dictionaries3
                    .add((new Service()).getClass().getResource("/resources/gazetteer/emoticon/lists.def"));
            modules.put("spFinancialEmoticon",
                    new DictionaryBasedSentimentAnalyzer("SAGA - Sentiment Analyzer", dictionaries3));
            // GATE has been initialized.
            gateInited = true;
        } catch (Exception ex) {
            throw new ServletException("Exception initialising GATE", ex);
        }
    }
}

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