Example usage for javax.servlet ServletContext getInitParameter

List of usage examples for javax.servlet ServletContext getInitParameter

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Introduction

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

Prototype

public String getInitParameter(String name);

Source Link

Document

Returns a String containing the value of the named context-wide initialization parameter, or null if the parameter does not exist.

Usage

From source file:org.sakaiproject.component.impl.ContextLoader.java

/**
 * Initialize the local ApplicationContext, link it to the shared context, and load shared definitions into the shared context.
 * //from  w ww .j a v a 2  s.co m
 * @param servletContext
 *        current servlet context
 * @return the new WebApplicationContext
 * @throws BeansException
 *         if the context couldn't be initialized
 */
public WebApplicationContext initWebApplicationContext(ServletContext servletContext) throws BeansException {
    WebApplicationContext rv = super.initWebApplicationContext(servletContext);

    // if we have a parent and any shared bean definitions, load them into the parent
    ConfigurableApplicationContext parent = (ConfigurableApplicationContext) rv.getParent();
    if (parent != null) {
        String sharedConfig = servletContext.getInitParameter(SHARED_LOCATION_PARAM);
        if (sharedConfig != null) {
            String[] locations = StringUtils.tokenizeToStringArray(sharedConfig,
                    ConfigurableWebApplicationContext.CONFIG_LOCATION_DELIMITERS);
            if (locations != null) {
                XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(
                        (BeanDefinitionRegistry) parent.getBeanFactory());

                for (int i = 0; i < locations.length; i++) {
                    try {
                        reader.loadBeanDefinitions(rv.getResources(locations[i]));
                    } catch (IOException e) {
                        M_log.warn("exception loading into parent: " + e);
                    }
                }
            }
        }
    }

    return rv;
}

From source file:servlet.CinemaControl.java

protected void doListSeatsByMS(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    PrintWriter out = response.getWriter();
    HttpSession session = request.getSession();
    ServletContext sc = getServletContext();
    String db_driver = sc.getInitParameter("db_driver"), db_url = sc.getInitParameter("db_url"),
            db_user = sc.getInitParameter("db_user"), db_password = sc.getInitParameter("db_password");
    String db_q_seat_available = "SELECT DISTINCT s.seatID, s.houseID, s.rowName, s.seatName, s.surcharge, s.state, ms.price"
            + " FROM Seat s, MovieSession ms" + " WHERE s.seatID NOT IN"
            + " (SELECT seatID FROM Ticket WHERE state NOT IN ('refunded') AND msID = ?)"
            + " AND ms.houseID = s.houseID" + " AND ms.msID = ?";
    String db_q_seat_booked = "SELECT DISTINCT s.seatID, s.houseID, s.rowName, s.seatName, s.surcharge, s.state, ms.price"
            + " FROM Seat s, MovieSession ms" + " WHERE s.seatID IN"
            + " (SELECT seatID FROM Ticket WHERE state NOT IN ('refunded') AND msID = ?)"
            + " AND ms.houseID = s.houseID" + " AND ms.msID = ?";
    int msID = Integer.parseInt(request.getParameter("msID"));
    try {/* w  w  w .j  a  va2s.co  m*/
        JSONObject jso0 = new JSONObject();
        JSONArray jsa0 = new JSONArray();
        jso0.put("seats", jsa0);
        Class.forName(db_driver);
        Connection conn = DriverManager.getConnection(db_url, db_user, db_password);
        // available seat
        PreparedStatement statmt1 = conn.prepareStatement(db_q_seat_available);
        statmt1.setInt(1, msID);
        statmt1.setInt(2, msID);
        if (statmt1.execute()) {
            ResultSet rs = statmt1.getResultSet();
            ResultSetMetaData rsmd = rs.getMetaData();
            int numOfColumns = rsmd.getColumnCount();
            while (rs.next()) {
                JSONObject jso1 = new JSONObject();
                jsa0.put(jso1);
                for (int i = 1; i <= numOfColumns; i++) {
                    jso1.put(rsmd.getColumnName(i), rs.getString(i));
                }
            }
        }
        // unavailable seat
        PreparedStatement statmt2 = conn.prepareStatement(db_q_seat_booked);
        statmt2.setInt(1, msID);
        statmt2.setInt(2, msID);
        if (statmt2.execute()) {
            ResultSet rs = statmt2.getResultSet();
            ResultSetMetaData rsmd = rs.getMetaData();
            int numOfColumns = rsmd.getColumnCount();
            while (rs.next()) {
                JSONObject jso1 = new JSONObject();
                jsa0.put(jso1);
                for (int i = 1; i <= numOfColumns; i++) {
                    jso1.put(rsmd.getColumnName(i), rs.getString(i));
                    jso1.put("state", "unavailable");
                }
            }
        }

        conn.close();
        out.println(jso0.toString());

    } catch (ClassNotFoundException ex) {
        Logger.getLogger(CinemaControl.class.getName()).log(Level.SEVERE, null, ex);
    } catch (SQLException ex) {
        Logger.getLogger(CinemaControl.class.getName()).log(Level.SEVERE, null, ex);
    } catch (JSONException ex) {
        Logger.getLogger(CinemaControl.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:org.kuali.ext.mm.web.listener.StandaloneInitializeListener.java

/**
 * Translates context parameters from the web.xml into entries in a Properties file.
 *//*from  w w w.j a  v a 2 s.c o  m*/
protected Properties getContextParameters(ServletContext context) {
    Properties properties = new Properties();
    Enumeration paramNames = context.getInitParameterNames();
    while (paramNames.hasMoreElements()) {
        String paramName = (String) paramNames.nextElement();
        properties.put(paramName, context.getInitParameter(paramName));
    }
    return properties;
}

From source file:org.openestate.is24.restapi.webapp.VerificationServlet.java

/**
 * Servlet is initialized by the servlet engine.
 *
 * @throws ServletException// www .  j av  a 2 s  .  co m
 */
@Override
public void init() throws ServletException {
    super.init();
    final ServletContext context = this.getServletContext();
    List<String> errors = new ArrayList<String>();

    this.webserviceUrl = StringUtils.trimToNull(context.getInitParameter("WebserviceUrl"));
    if (this.webserviceUrl == null) {
        errors.add("No 'WebserviceUrl' is configured.");
    }

    this.consumerKey = StringUtils.trimToNull(context.getInitParameter("ConsumerKey"));
    if (this.consumerKey == null) {
        errors.add("No 'ConsumerKey' is configured.");
    }

    this.consumerSecret = StringUtils.trimToNull(context.getInitParameter("ConsumerSecret"));
    if (this.consumerSecret == null) {
        errors.add("No 'ConsumerSecret' is configured.");
    }

    if (!errors.isEmpty()) {
        throw new ServletException("Can't init servlet: " + StringUtils.join(errors, ", "));
    }

    // trust all SSL certificates / disable host name verification
    String trustAllCertificates = StringUtils.trimToNull(context.getInitParameter("TrustAllCertificates"));
    if ("1".equals(trustAllCertificates) || "true".equalsIgnoreCase(trustAllCertificates)) {
        try {
            // install all-trusting trust manager
            SslUtils.disableCertificateChecks();

            // install all-trusting host verifier
            SslUtils.disableHostnameVerification();
        } catch (Exception ex) {
            throw new ServletException("Can't setup insecure SSL context!", ex);
        }
    }
}

From source file:nl.b3p.kaartenbalie.core.server.persistence.MyEMFDatabase.java

public void initGlobalContextParams(ServletConfig config) {
    ServletContext context = config.getServletContext();

    String value = context.getInitParameter(MyEMFDatabase.MAPFILE_DIR);
    if (value != null && value.length() > 0) {
        mapfiles = value;/*from ww  w . j  av a2 s  .co m*/
    }
    value = context.getInitParameter(MyEMFDatabase.UPLOAD_DIR);
    if (value != null && value.length() > 0) {
        upload = value;
    }
    value = context.getInitParameter(MyEMFDatabase.DEFAULT_ORGANIZATION);
    if (value != null && value.length() > 0) {
        defaultOrganization = value;
    }

    value = context.getInitParameter(MyEMFDatabase.LDAP_USELDAP);
    if (value != null && value.length() > 0) {
        ldapUseLdap = new Boolean(value);
    }
    value = context.getInitParameter(MyEMFDatabase.LDAP_DEFAULTGROUP);
    if (value != null && value.length() > 0) {
        ldapDefaultGroup = value;
    }
    value = context.getInitParameter(MyEMFDatabase.LDAP_HOST);
    if (value != null && value.length() > 0) {
        ldapHost = value;
    }
    value = context.getInitParameter(MyEMFDatabase.LDAP_PORT);
    if (value != null && value.length() > 0) {
        ldapPort = new Integer(value);
    }
    value = context.getInitParameter(MyEMFDatabase.LDAP_USERSUFFIX);
    if (value != null && value.length() > 0) {
        ldapUserSuffix = value;
    }
}

From source file:servlet.CinemaControl.java

protected void doListSeats(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    PrintWriter out = response.getWriter();
    HttpSession session = request.getSession();
    ServletContext sc = getServletContext();
    String db_driver = sc.getInitParameter("db_driver"), db_url = sc.getInitParameter("db_url"),
            db_user = sc.getInitParameter("db_user"), db_password = sc.getInitParameter("db_password");
    String db_q_cinemas = "SELECT * FROM Cinema;";
    String db_q_houses = "SELECT * FROM House WHERE cinemaID = ?;";
    String db_q_seats = "SELECT * FROM Seat WHERE houseID = ?;";
    try {/*from ww  w .j  a v a2  s  .  com*/
        JSONObject jso0 = new JSONObject();
        JSONArray jsa0 = new JSONArray();
        jso0.put("cinemas", jsa0);
        Class.forName(db_driver);
        Connection conn = DriverManager.getConnection(db_url, db_user, db_password);
        Statement statmt1 = conn.createStatement();
        ResultSet rs1 = statmt1.executeQuery(db_q_cinemas);
        ResultSetMetaData rsmd1 = rs1.getMetaData();
        int numOfColumns1 = rsmd1.getColumnCount();
        while (rs1.next()) {
            JSONObject jso1 = new JSONObject();
            jsa0.put(jso1);
            for (int i = 1; i <= numOfColumns1; i++) {
                jso1.put(rsmd1.getColumnLabel(i), rs1.getString(i));
            }
            int cinemaID = Integer.parseInt(jso1.getString("cinemaID"));
            JSONArray jsa1 = new JSONArray();
            jso1.put("houses", jsa1);
            PreparedStatement statmt2 = conn.prepareStatement(db_q_houses);
            statmt2.setInt(1, cinemaID);
            if (statmt2.execute()) {
                ResultSet rs2 = statmt2.getResultSet();
                ResultSetMetaData rsmd2 = rs2.getMetaData();
                int numOfColumns2 = rsmd2.getColumnCount();
                while (rs2.next()) {
                    JSONObject jso2 = new JSONObject();
                    jsa1.put(jso2);
                    for (int j = 1; j <= numOfColumns2; j++) {
                        jso2.put(rsmd2.getColumnLabel(j), rs2.getString(j));
                    }
                    int houseID = Integer.parseInt(jso2.getString("houseID"));
                    JSONArray jsa2 = new JSONArray();
                    jso2.put("seats", jsa2);
                    PreparedStatement statmt3 = conn.prepareStatement(db_q_seats);
                    statmt3.setInt(1, houseID);
                    if (statmt3.execute()) {
                        ResultSet rs3 = statmt3.getResultSet();
                        ResultSetMetaData rsmd3 = rs3.getMetaData();
                        int numOfColumns3 = rsmd3.getColumnCount();
                        while (rs3.next()) {
                            JSONObject jso3 = new JSONObject();
                            jsa2.put(jso3);
                            for (int k = 1; k <= numOfColumns3; k++) {
                                jso3.put(rsmd3.getColumnLabel(k), rs3.getString(k));
                            }
                        }
                    }
                }
            }
        }
        out.println(jso0.toString());
    } catch (ClassNotFoundException ex) {
        Logger.getLogger(CinemaControl.class.getName()).log(Level.SEVERE, null, ex);
    } catch (SQLException ex) {
        Logger.getLogger(CinemaControl.class.getName()).log(Level.SEVERE, null, ex);
    } catch (JSONException ex) {
        Logger.getLogger(CinemaControl.class.getName()).log(Level.SEVERE, null, ex);
    }

}

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

protected void findEnv(ServletContext servletContext) {
    for (String param : Arrays.asList( //
            NUXEO_RUNTIME_HOME, //
            NUXEO_CONFIG_DIR, //
            NUXEO_DATA_DIR, //
            NUXEO_LOG_DIR, //
            NUXEO_TMP_DIR, //
            NUXEO_WEB_DIR)) {/*from  w  w w . ja  v a 2  s  .  co m*/
        String value = servletContext.getInitParameter(param);
        if (value != null && !"".equals(value.trim())) {
            env.put(param, value);
        }
    }
    // default env values
    if (!env.containsKey(NUXEO_CONFIG_DIR)) {
        String webinf = servletContext.getRealPath("/WEB-INF");
        env.put(NUXEO_CONFIG_DIR, webinf);
    }
    if (!env.containsKey(NUXEO_RUNTIME_HOME)) {
        File home = new File(DEFAULT_HOME);
        env.put(NUXEO_RUNTIME_HOME, home.getAbsolutePath());
    }
    // host
    if (getClass().getClassLoader().getClass().getName().startsWith("org.jboss.classloader")) {
        env.put(FrameworkLoader.HOST_NAME, JBOSS_HOST);
    } else if (servletContext.getClass().getName().startsWith("org.apache.catalina")) {
        env.put(FrameworkLoader.HOST_NAME, TOMCAT_HOST);
    }
}

From source file:org.apache.tapestry5.internal.spring.SpringModuleDef.java

public SpringModuleDef(ServletContext servletContext) {
    this.servletContext = servletContext;

    compatibilityMode = Boolean//from  www  .j ava 2  s.c o  m
            .parseBoolean(servletContext.getInitParameter(SpringConstants.USE_EXTERNAL_SPRING_CONTEXT));

    final ApplicationContext externalContext = compatibilityMode ? locateExternalContext() : null;

    if (compatibilityMode)
        addServiceDefsForSpringBeans(externalContext);

    ServiceDef applicationContextServiceDef = new ServiceDef() {
        @Override
        public ObjectCreator createServiceCreator(final ServiceBuilderResources resources) {
            if (compatibilityMode)
                return new StaticObjectCreator(externalContext,
                        "externally configured Spring ApplicationContext");

            ApplicationContextCustomizer customizer = resources.getService("ApplicationContextCustomizer",
                    ApplicationContextCustomizer.class);

            return constructObjectCreatorForApplicationContext(resources, customizer);
        }

        @Override
        public String getServiceId() {
            return SERVICE_ID;
        }

        @Override
        public Set<Class> getMarkers() {
            return Collections.emptySet();
        }

        @Override
        public Class getServiceInterface() {
            return compatibilityMode ? externalContext.getClass() : ConfigurableWebApplicationContext.class;
        }

        @Override
        public String getServiceScope() {
            return ScopeConstants.DEFAULT;
        }

        @Override
        public boolean isEagerLoad() {
            return false;
        }
    };

    services.put(SERVICE_ID, applicationContextServiceDef);
}

From source file:net.wastl.webmail.config.ExtConfigListener.java

public void contextInitialized(ServletContextEvent sce) {
    Helper.logThreads("Top of ExtCongigListener.contextInitialized()");
    final ServletContext sc = sce.getServletContext();
    contextPath = sc.getInitParameter("default.contextpath");
    try {/*from   www  .j  ava 2s .  c o m*/
        final Object o = new InitialContext().lookup("java:comp/env/app.contextpath");
        contextPath = (String) o;
        log.debug("app.contextpath set by webapp env property");
    } catch (final NameNotFoundException nnfe) {
    } catch (final NamingException nnfe) {
        log.fatal("Runtime failure when looking up env property", nnfe);
        throw new RuntimeException("Runtime failure when looking up env property", nnfe);
    }
    if (contextPath == null) {
        log.fatal("Required setting 'app.contextpath' is not set as either "
                + "a app webapp JNDI env param, nor by default context "
                + "init parameter 'default.contextpath'");
        throw new IllegalStateException("Required setting 'app.contextpath' is not set as either "
                + "a app webapp JNDI env param, nor by default context "
                + "init parameter 'default.contextpath'");
    }
    if (contextPath.equals("/ROOT")) {
        log.fatal("Refusing to use context path of '/ROOT' to avoid " + "ambiguity with default context path");
        throw new IllegalStateException(
                "Refusing to use context path of '/ROOT' to avoid " + "ambiguity with default context path");
    }
    deploymentName = generateDeploymentName();
    log.info("Initializing configs for runtime deployment name '" + deploymentName + "'");
    String dirProp = System.getProperty("webapps.rtconfig.dir");
    if (dirProp == null) {
        dirProp = System.getProperty("user.home");
        System.setProperty("webapps.rtconfig.dir", dirProp);
    }
    final File rtConfigDir = new File(dirProp, deploymentName);
    final File metaFile = new File(rtConfigDir, "meta.properties");
    lockFile = new File(rtConfigDir, "lock.txt");
    if (lockFile.exists()) {
        log.fatal("Presence of lock file '" + lockFile.getAbsolutePath()
                + "' indicates the instance is already running");
        lockFile = null;
        throw new IllegalStateException("Presence of lock file " + "indicates the instance is already running");
    }
    // From this point on, we know that:
    // IF LOCK FILE EXISTS, we have created it and all is well
    // IF LOCK FILE DOES NOT EXIST, we need to create it ASAP
    if (rtConfigDir.isDirectory()) {
        mkLockFile();
    }
    // We create lock file as early as possible.
    // If we can't make it here, it will be created in installXmlStorage.
    if (!rtConfigDir.isDirectory() || !metaFile.isFile()) {
        try {
            installXmlStorage(rtConfigDir, metaFile);
            log.warn("New XML storage system successfully loaded.  " + "Metadata file '"
                    + metaFile.getAbsolutePath() + "'");
        } catch (final IOException e) {
            log.fatal("Failed to set up a new XML storage system", e);
            throw new IllegalStateException("Failed to set up a new XML storage system", e);
        }
    }
    if (!lockFile.exists()) {
        // Being extra safe
        log.fatal("Assertion failed.  Internal locking error in " + getClass().getName() + '.');
        lockFile = null;
        throw new IllegalStateException(
                "Assertion failed.  Internal locking error in " + getClass().getName() + '.');
    }
    final ExpandableProperties metaProperties = new ExpandableProperties();
    try {
        metaProperties.load(new FileInputStream(metaFile));
    } catch (final IOException ioe) {
        log.fatal("Failed to read meta props file '" + metaFile.getAbsolutePath() + "'", ioe);
        throw new IllegalStateException("Failed to read meta props file '" + metaFile.getAbsolutePath() + "'",
                ioe);
    }
    final Properties expandProps = new Properties();
    expandProps.setProperty("rtconfig.dir", rtConfigDir.getAbsolutePath());
    expandProps.setProperty("app.contextpath", contextPath);
    expandProps.setProperty("deployment.name", deploymentName);
    try {
        metaProperties.expand(expandProps); // Expand ${} properties
    } catch (final Throwable t) {
        log.fatal("Failed to expand properties in meta file '" + metaFile.getAbsolutePath() + "'", t);
        throw new IllegalStateException(
                "Failed to expand properties in meta file '" + metaFile.getAbsolutePath() + "'", t);
    }
    String requiredKeysString;
    requiredKeysString = sc.getInitParameter("required.metaprop.keys");
    if (requiredKeysString != null) {
        final Set<String> requiredKeys = new HashSet<String>(
                Arrays.asList(requiredKeysString.split("\\s*,\\s*", -1)));
        requiredKeys.removeAll(metaProperties.keySet());
        if (requiredKeys.size() > 0) {
            log.fatal("Meta properties file '" + metaFile.getAbsolutePath() + "' missing required property(s): "
                    + requiredKeys);
            throw new IllegalStateException("Meta properties file '" + metaFile.getAbsolutePath()
                    + "' missing required property(s): " + requiredKeys);
        }
    }
    sc.setAttribute("app.contextpath", contextPath);
    sc.setAttribute("deployment.name", deploymentName);
    sc.setAttribute("rtconfig.dir", rtConfigDir);
    sc.setAttribute("meta.properties", metaProperties);

    log.debug("'app.contextpath', 'rtconfig.dir', 'meta.properties' "
            + "successfully published to app context for " + deploymentName);
}

From source file:com.haulmont.cuba.web.sys.CubaVaadinServletService.java

public CubaVaadinServletService(VaadinServlet servlet, DeploymentConfiguration deploymentConfiguration)
        throws ServiceException {
    super(servlet, deploymentConfiguration);

    Configuration configuration = AppBeans.get(Configuration.NAME);
    webConfig = configuration.getConfig(WebConfig.class);
    webAuthConfig = configuration.getConfig(WebAuthConfig.class);
    testMode = configuration.getConfig(GlobalConfig.class).getTestMode();

    ServletContext sc = servlet.getServletContext();
    String resourcesTimestamp = sc.getInitParameter("webResourcesTs");
    if (StringUtils.isNotEmpty(resourcesTimestamp)) {
        this.webResourceTimestamp = resourcesTimestamp;
    } else {//from  ww w .  j a  va 2  s. c o  m
        this.webResourceTimestamp = "DEBUG";
    }

    addSessionInitListener(event -> {
        WrappedSession wrappedSession = event.getSession().getSession();
        wrappedSession.setMaxInactiveInterval(webConfig.getHttpSessionExpirationTimeoutSec());

        HttpSession httpSession = wrappedSession instanceof WrappedHttpSession
                ? ((WrappedHttpSession) wrappedSession).getHttpSession()
                : null;

        log.debug("HttpSession {} initialized, timeout={}sec", httpSession,
                wrappedSession.getMaxInactiveInterval());
    });

    addSessionDestroyListener(event -> {
        WrappedSession wrappedSession = event.getSession().getSession();
        HttpSession httpSession = wrappedSession instanceof WrappedHttpSession
                ? ((WrappedHttpSession) wrappedSession).getHttpSession()
                : null;

        log.debug("HttpSession destroyed: {}", httpSession);
        App app = event.getSession().getAttribute(App.class);
        if (app != null) {
            app.cleanupBackgroundTasks();
        }
    });

    setSystemMessagesProvider(systemMessagesInfo -> {
        Locale locale = systemMessagesInfo.getLocale();

        CustomizedSystemMessages msgs = new CustomizedSystemMessages();

        if (AppContext.isStarted()) {
            try {
                Messages messages = AppBeans.get(Messages.NAME);

                msgs.setInternalErrorCaption(messages.getMainMessage("internalErrorCaption", locale));
                msgs.setInternalErrorMessage(messages.getMainMessage("internalErrorMessage", locale));

                msgs.setCommunicationErrorCaption(messages.getMainMessage("communicationErrorCaption", locale));
                msgs.setCommunicationErrorMessage(messages.getMainMessage("communicationErrorMessage", locale));

                msgs.setSessionExpiredCaption(messages.getMainMessage("sessionExpiredErrorCaption", locale));
                msgs.setSessionExpiredMessage(messages.getMainMessage("sessionExpiredErrorMessage", locale));
            } catch (Exception e) {
                log.error("Unable to set system messages", e);
                throw new RuntimeException("Unable to set system messages. "
                        + "It usually happens when the middleware web application is not responding due to "
                        + "errors on start. See logs for details.", e);
            }
        }

        String redirectUri;
        if (RequestContext.get() != null) {
            HttpServletRequest request = RequestContext.get().getRequest();
            redirectUri = StringUtils.replace(request.getRequestURI(), "/UIDL", "");
        } else {
            String webContext = AppContext.getProperty("cuba.webContextName");
            redirectUri = "/" + webContext;
        }

        msgs.setInternalErrorURL(redirectUri + "?restartApp");

        return msgs;
    });
}