Example usage for javax.servlet ServletConfig getInitParameter

List of usage examples for javax.servlet ServletConfig getInitParameter

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Introduction

In this page you can find the example usage for javax.servlet ServletConfig getInitParameter.

Prototype

public String getInitParameter(String name);

Source Link

Document

Gets the value of the initialization parameter with the given name.

Usage

From source file:com.vaadin.grails.terminal.gwt.server.GrailsAwareGAEApplicationServlet.java

/**
 * Called by the servlet container to indicate to a servlet that the servlet
 * is being placed into service./*  w  w w  . j  a v a 2 s  . co m*/
 * <p/>
 * This implementation caches the application class name (not the class
 * itself) to use to acquire the Application class from the Grails
 * classloader at runtime.
 * 
 * @param servletConfig
 *            the object containing the servlet's configuration and
 *            initialization parameters
 * @throws ServletException
 *             if an exception has occurred that interferes with the
 *             servlet's normal operation.
 */
@SuppressWarnings("unchecked")
@Override
public void init(ServletConfig servletConfig) throws ServletException {
    super.init(servletConfig);

    // Gets the application class name
    final String applicationClassName = servletConfig.getInitParameter("application");
    if (applicationClassName == null) {
        throw new ServletException(
                "The 'application' servlet init parameter was not specified.  This parameter "
                        + "must be specified with a value of a fully qualified class name of a class that extends "
                        + "com.vaadin.Application.");
    }

    this.applicationClassName = applicationClassName;
    // make sure it exists at startup:
    try {
        getApplicationClass();
    } catch (UnavailableClassException e) {
        throw new ServletException("Failed to load application class: " + this.applicationClassName, e);
    }
}

From source file:be.fedict.eid.applet.service.AppletServiceServlet.java

public static void injectInitParams(ServletConfig config, MessageHandler<?> messageHandler)
        throws ServletException, IllegalArgumentException, IllegalAccessException {
    Class<?> messageHandlerClass = messageHandler.getClass();
    Field[] fields = messageHandlerClass.getDeclaredFields();
    for (Field field : fields) {
        InitParam initParamAnnotation = field.getAnnotation(InitParam.class);
        if (null == initParamAnnotation) {
            continue;
        }//from w  ww.  j  a  v a  2 s.  c o m
        String initParamName = initParamAnnotation.value();
        Class<?> fieldType = field.getType();
        field.setAccessible(true);
        if (ServiceLocator.class.equals(fieldType)) {
            /*
             * We always inject a service locator.
             */
            ServiceLocator<Object> fieldValue = new ServiceLocator<Object>(initParamName, config);
            field.set(messageHandler, fieldValue);
            continue;
        }
        String initParamValue = config.getInitParameter(initParamName);
        if (initParamAnnotation.required() && null == initParamValue) {
            throw new ServletException("missing required init-param: " + initParamName + " for message handler:"
                    + messageHandlerClass.getName());
        }
        if (null == initParamValue) {
            continue;
        }
        if (Boolean.TYPE.equals(fieldType)) {
            LOG.debug("injecting boolean: " + initParamValue);
            Boolean fieldValue = Boolean.parseBoolean(initParamValue);
            field.set(messageHandler, fieldValue);
            continue;
        }
        if (String.class.equals(fieldType)) {
            field.set(messageHandler, initParamValue);
            continue;
        }
        if (InetAddress.class.equals(fieldType)) {
            InetAddress inetAddress;
            try {
                inetAddress = InetAddress.getByName(initParamValue);
            } catch (UnknownHostException e) {
                throw new ServletException("unknown host: " + initParamValue);
            }
            field.set(messageHandler, inetAddress);
            continue;
        }
        if (Long.class.equals(fieldType)) {
            Long fieldValue = Long.parseLong(initParamValue);
            field.set(messageHandler, fieldValue);
            continue;
        }
        throw new ServletException("unsupported init-param field type: " + fieldType.getName());
    }
}

From source file:nl.b3p.gis.viewer.services.HibernateUtil.java

/**
 * Initializes the servlet.//  w w  w .j  ava  2s  .  co m
 *
 * @param config
 * @throws javax.servlet.ServletException
 */
@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);

    try {
        String value = config.getInitParameter("kburl");
        if (value != null && value.length() > 0) {
            kburl = value;
        }
        value = config.getInitParameter("internalKbUrl");
        if (value != null && value.length() > 0) {
            internalKbUrl = value;
        }
        value = config.getInitParameter("check_login_kaartenbalie");
        if (value != null && value.equalsIgnoreCase("false")) {
            checkLoginKaartenbalie = false;
        }
        value = config.getInitParameter("use_kaartenbalie_cluster");
        if (value != null && value.equalsIgnoreCase("false")) {
            useKaartenbalieCluster = false;
        }
        value = config.getInitParameter("anonymous_user");
        if (value != null && value.length() > 0) {
            ANONYMOUS_USER = value;
        }
        value = config.getInitParameter("gebruikers_rol");
        if (value != null && value.length() > 0) {
            GEBRUIKERS_ROL = value;
        }
        value = config.getInitParameter("themabeheerders_rol");
        if (value != null && value.length() > 0) {
            THEMABEHEERDERS_ROL = value;
        }
        value = config.getInitParameter("loginKbUrl");
        if (value != null && value.length() > 0) {
            loginKbUrl = value;
        }

        if (config.getInitParameter("cacheOnDisk") != null) {
            cacheOnDisk = Boolean.parseBoolean(config.getInitParameter("cacheOnDisk"));
        }
        if (config.getInitParameter("cacheOnDiskPath") != null) {
            cacheOnDiskPath = config.getInitParameter("cacheOnDiskPath");
        }
    } catch (Exception e) {
        throw new ServletException(e);
    }
}

From source file:org.openlaszlo.servlets.HistoryServlet.java

private String getInitParameter(ServletConfig config, String name, String defaultValue) {
    String value = config.getInitParameter(name);
    mLogger.debug("web.xml value for " + name + " is " + value);
    return (value != null ? value : defaultValue);
}

From source file:org.jboss.datavirt.commons.ui.header.DataVirtHeaderDataJS.java

/**
 * @see javax.servlet.GenericServlet#init()
 *//* ww w .  j  a  v a  2 s .c  o m*/
@Override
public void init() throws ServletException {
    ServletConfig config = getServletConfig();
    appId = config.getInitParameter("app-id");
    if (appId == null || appId.trim().length() == 0) {
        throw new ServletException(
                "Application identifier (app-id) parameter missing from DataVirt Header Data JS servlet.");
    }
    logoutUrl = config.getInitParameter("logout-url");
    if (logoutUrl == null || logoutUrl.trim().length() == 0) {
        logoutUrl = "?GLO=true";
    }
}

From source file:cn.vlabs.duckling.vwb.ui.servlet.SimpleUploaderServlet.java

public void init(ServletConfig config) throws ServletException {

    debug = (new Boolean(config.getInitParameter("debug"))).booleanValue();
    log.debug("---- SimpleUploaderServlet initialization started ----");
    enabled = Boolean.valueOf(config.getInitParameter("enabled"));
    allowedExtensions = parseParams(config.getInitParameter("AllowedExtensionsFile"));
    deniedExtensions = parseParams(config.getInitParameter("DeniedExtensionsFile"));

    log.debug("---- SimpleUploaderServlet initialization completed ----");

}

From source file:com.lushapp.common.web.servlet.StaticContentServlet.java

@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
    String cacheManager = config.getInitParameter("CacheManager");
    CacheManager ehcacheManager = (CacheManager) context.getBean(cacheManager);
    String cacheKey = config.getInitParameter("cacheKey");
    contentInfoCache = ehcacheManager.getCache(cacheKey);

    //?mimeTypes, css,.
    mimetypesFileTypeMap = new MimetypesFileTypeMap();
    mimetypesFileTypeMap.addMimeTypes("text/css css");
}

From source file:de.betterform.agent.web.resources.ResourceServlet.java

@Override
public void init(ServletConfig config) throws ServletException {
    super.init(config);
    if ("false".equals(config.getInitParameter("caching"))) {
        caching = false;//  w  ww  . j av  a 2s .c om
        if (LOG.isTraceEnabled()) {
            LOG.trace("Caching of Resources is disabled");
        }
    } else {
        caching = true;

        if (LOG.isTraceEnabled()) {
            LOG.trace("Caching of Resources is enabled - resources are loaded from classpath");
        }
    }
    this.lastModified = getLastModifiedValue();
    String path = null;
    try {
        path = WebFactory.getRealPath("WEB-INF/classes/META-INF/resources", config.getServletContext());
    } catch (XFormsConfigException e) {
        throw new ServletException(e);
    }
    if (path != null && new File(path).exists()) {
        exploded = true;
    }

    initMimeTypes();
    initResourceStreamers();
}

From source file:org.overlord.commons.ui.header.OverlordHeaderDataJS.java

/**
 * @see javax.servlet.GenericServlet#init()
 *///from ww  w . ja v  a  2  s .  c o  m
@Override
public void init() throws ServletException {
    ServletConfig config = getServletConfig();
    appId = config.getInitParameter("app-id"); //$NON-NLS-1$
    if (appId == null || appId.trim().length() == 0) {
        throw new ServletException(
                "Application identifier (app-id) parameter missing from Overlord Header Data JS servlet."); //$NON-NLS-1$
    }
    logoutUrl = config.getInitParameter("logout-url"); //$NON-NLS-1$
    if (logoutUrl == null || logoutUrl.trim().length() == 0) {
        logoutUrl = "?GLO=true"; //$NON-NLS-1$
    }
}

From source file:com.iorga.iraj.servlet.AgglomeratorServlet.java

@Override
public void init(final ServletConfig config) throws ServletException {
    super.init(config);

    if (config.getInitParameter("mode") != null) {
        mode = Mode.valueOf(config.getInitParameter("mode").toUpperCase());
    }/*from ww  w  .j a v a2 s .c om*/
    if (mode == Mode.DEVELOPMENT) {
        // development mode, activate the watch service
        try {
            watchService = FileSystems.getDefault().newWatchService();
        } catch (final IOException e) {
            throw new ServletException("Problem while activating the watch service", e);
        }
    }

    parseResourcesFromMappings(config);

    if (mode == Mode.DEVELOPMENT) {
        directoryWatcherThread = new Thread(new DirectoryWatcher(), DirectoryWatcher.class.getName());
        directoryWatcherThread.setDaemon(true);
        directoryWatcherThread.start();
    }
}