Example usage for javax.servlet ServletContext getResourceAsStream

Introduction

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

Prototype

public InputStream getResourceAsStream(String path);

Source Link

Document

Returns the resource located at the named path as an InputStream object.

Usage

From source file:org.kuali.student.common.util.ManifestInspector.java

/**
 * Return a Manifest object//from  w w  w . ja  va2 s  . c  om
 */
protected Manifest getManifest(ServletContext servletContext) throws IOException {
    InputStream in = null;
    try {
        in = servletContext.getResourceAsStream(MANIFEST_LOCATION);
        if (in == null) {
            return null;
        } else {
            return new Manifest(in);
        }
    } catch (IOException e) {
        throw e;
    } finally {
        closeQuietly(in);
    }
}

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From source file:org.nuxeo.ecm.platform.ui.web.rest.StaticNavigationHandler.java

/**
 * XXX hack: add manual parsing of the main faces-config.xml file navigation cases, to handle hot reload and work
 * around the JSF application cache./*  w  ww  .  j a v  a2  s .  c o  m*/
 * <p>
 * TODO: try to reset and rebuild the app navigation cases by reflection, if it works...
 *
 * @since 5.6
 */
protected void handleHotReloadResources(ServletContext context) {
    InputStream stream = null;
    if (context != null) {
        stream = context.getResourceAsStream("/WEB-INF/faces-config.xml");
    }
    if (stream != null) {
        parse(stream);
    }
}

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From source file:csiro.pidsvc.core.Settings.java

private Settings(HttpServlet servlet) throws NullPointerException, IOException {
    // Retrieve manifest.
    if ((_servlet = servlet) != null) {
        ServletConfig config = _servlet.getServletConfig();
        if (config != null) {
            ServletContext application = config.getServletContext();
            _manifest = new Manifest(application.getResourceAsStream("/META-INF/MANIFEST.MF"));
        }/* w w w  . j a  v  a 2s . co m*/
    }

    // Retrieve settings.
    FileInputStream fis = null;
    try {
        InitialContext context = new InitialContext();
        String settingsFile = (String) context.lookup("java:comp/env/" + SETTINGS_OPT);
        fis = new FileInputStream(settingsFile);
        _properties = new PropertyResourceBundle(fis);
    } catch (NamingException ex) {
        _logger.debug("Using default pidsvc.properties file.");
        _properties = ResourceBundle.getBundle("pidsvc");
    } finally {
        if (fis != null)
            fis.close();
    }

    // Get additional system properties.
    _serverProperties.put("serverJavaVersion", System.getProperty("java.version"));
    _serverProperties.put("serverJavaVendor", System.getProperty("java.vendor"));
    _serverProperties.put("javaHome", System.getProperty("java.home"));
    _serverProperties.put("serverOsArch", System.getProperty("os.arch"));
    _serverProperties.put("serverOsName", System.getProperty("os.name"));
    _serverProperties.put("serverOsVersion", System.getProperty("os.version"));
}

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From source file:org.nuxeo.runtime.deployment.NuxeoStarter.java

protected void findBundles(ServletContext servletContext) throws IOException {
    InputStream bundlesListStream = servletContext.getResourceAsStream("/WEB-INF/" + NUXEO_BUNDLES_LIST);
    if (bundlesListStream != null) {
        File lib = new File(servletContext.getRealPath("/WEB-INF/lib/"));
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(bundlesListStream))) {
            String bundleName;/*  www.  ja v a  2 s  .  c o m*/
            while ((bundleName = reader.readLine()) != null) {
                bundleFiles.add(new File(lib, bundleName));
            }
        }
    }
    if (bundleFiles.isEmpty()) { // Fallback on directory scan
        File root = new File(servletContext.getRealPath("/"));
        Set<String> ctxpaths = servletContext.getResourcePaths("/WEB-INF/lib/");
        if (ctxpaths != null) {
            for (String ctxpath : ctxpaths) {
                if (!ctxpath.endsWith(".jar")) {
                    continue;
                }
                bundleFiles.add(new File(root, ctxpath));
            }
        }
    }
}

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From source file:org.seasar.mayaa.impl.source.ApplicationResourceSourceDescriptor.java

public boolean exists() {
    URL url = getURL();/* ww w.  j av  a 2 s . c  om*/
    if (url != null) {
        return true;
    }
    // GAE for Java _url?null???Stream???
    ServletContext context = (ServletContext) getApplicationScope().getUnderlyingContext();
    InputStream resourceAsStream = context.getResourceAsStream(_systemID);
    try {
        return resourceAsStream != null;
    } finally {
        try {
            if (resourceAsStream != null) {
                resourceAsStream.close();
            }
        } catch (IOException e) {
            return false;
        }
    }
}

---

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

@Override
public void contextInitialized(ServletContextEvent sce) {
    try {/*ww w.  ja va2  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/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.opengamma.web.bundle.BundleManagerFactory.java

/**
 * Resolves the config file./*from  www. ja v a 2  s  .  com*/
 * @param servletContext 
 * 
 * @return the resolved file
 */
private InputStream getXMLStream(ServletContext servletContext) {
    String configXMlPath = _configXmlPath == null ? DEFAULT_CONFIG_XML_PATH : _configXmlPath;
    InputStream result = servletContext.getResourceAsStream(configXMlPath);
    if (result == null) {
        throw new IllegalStateException("Cannot find resource XML in " + configXMlPath);
    }
    return result;
}

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From source file:org.rhq.enterprise.gui.startup.Configurator.java

/**
 * Load the specified properties file and return the properties.
 *
 * @param  context  the <code>ServletContext</code>
 * @param  filename the fully qualifed name of the properties file
 *
 * @return the contents of the properties file
 *
 * @throws Exception if a problem occurs while loading the file
 *//* ww w.  j  a  v  a2s. c o m*/
private Properties loadProperties(ServletContext context, String filename) throws Exception {
    Properties props = new Properties();
    InputStream is = context.getResourceAsStream(filename);
    if (is != null) {
        props.load(is);
        is.close();
    }

    return props;
}

---

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

@Override
public void contextInitialized(ServletContextEvent sce) {
    try {/*from   w  w  w .  j a  v 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:edu.cornell.mannlib.vitro.webapp.controller.freemarker.SmokeTestController.java

private void readSmokeTestClassesFromFile(String p, ServletContext context) {
    //check that this is a file and not a directory.
    File f = new File(context.getRealPath(p));
    if (f.exists() && f.isFile()) {
        InputStream fileStream = context.getResourceAsStream(p);
        listOfSmokeTestClasses.addAll(getContentsFromFileStream(fileStream));
    } else {/*w  ww  .  j av  a  2s. com*/
        if (!f.exists()) {
            log.debug("File for path " + p + " does not exist");
        } else if (f.isDirectory()) {
            log.debug("Path " + p + " corresponds to a directory and not file. File was not read.");
        }
    }
}

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