Example usage for javax.servlet FilterConfig getInitParameterNames

List of usage examples for javax.servlet FilterConfig getInitParameterNames

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Introduction

In this page you can find the example usage for javax.servlet FilterConfig getInitParameterNames.

Prototype

public Enumeration<String> getInitParameterNames();

Source Link

Document

Returns the names of the filter's initialization parameters as an Enumeration of String objects, or an empty Enumeration if the filter has no initialization parameters.

Usage

From source file:nl.b3p.commons.security.aselect.ASelectAuthorizationFilter.java

/**
 * Hulpfunctie om een FilterConfig object om te zetten naar Properties
 *///w  w  w  .  j a va 2 s. co  m
private Properties filterConfigToProperties(FilterConfig c) {
    Properties result = new Properties();

    Enumeration params = c.getInitParameterNames();

    while (params.hasMoreElements()) {
        String name = (String) params.nextElement();
        result.setProperty(name, c.getInitParameter(name));
    }
    return result;
}

From source file:org.ajax4jsf.webapp.BaseFilter.java

/**
 * Initialize the filter.//from  ww w .  jav a  2s  .c  o m
 */
public void init(FilterConfig config) throws ServletException {
    if (log.isDebugEnabled()) {
        log.debug("Init ajax4jsf filter with nane: " + config.getFilterName());
        Enumeration<String> parameterNames = config.getInitParameterNames();
        StringBuffer parameters = new StringBuffer("Init parameters :\n");
        while (parameterNames.hasMoreElements()) {
            String name = parameterNames.nextElement();
            parameters.append(name).append(" : '").append(config.getInitParameter(name)).append('\n');
        }
        log.debug(parameters);
        // log.debug("Stack Trace", new Exception());
    }
    // Save config
    filterConfig = config;
    setFunction((String) nz(filterConfig.getInitParameter(FUNCTION_NAME_PARAMETER), getFunction()));
    setAttributesNames(filterConfig.getInitParameter(ABSOLUTE_TAGS_PARAMETER));
    xmlFilter.init(config);
    if ("true".equalsIgnoreCase(filterConfig.getInitParameter(REWRITEID_PARAMETER))) {
        this.setRewriteid(true);
    }
    resourceService = new InternetResourceService();
    // Caching initialization.
    resourceService.init(filterConfig);
    eventsManager = new PollEventsManager();
    eventsManager.init(filterConfig.getServletContext());

    String param = filterConfig.getInitParameter("createTempFiles");
    if (param != null) {
        this.createTempFiles = Boolean.parseBoolean(param);
    } else {
        this.createTempFiles = true;
    }
    param = filterConfig.getInitParameter("maxRequestSize");
    if (param != null) {
        this.maxRequestSize = Integer.parseInt(param);
    }
}

From source file:org.ambraproject.cas.client.filter.CASFilterWrapper.java

/**
 * @see javax.servlet.Servlet//from ww  w . j ava  2 s .  c om
 */
public void init(final FilterConfig filterConfig) throws ServletException {
    final Map<String, String> params = new HashMap<String, String>(6);

    final InitParamProvider initParamProvider = new InitParamProvider() {
        public Enumeration<?> getInitParameterNames() {
            return filterConfig.getInitParameterNames();
        }

        public String getInitParameter(final String key) {
            return filterConfig.getInitParameter(key);
        }
    };

    ConfigWrapperUtil.copyInitParams(initParamProvider, params);

    final Configuration configuration = ConfigurationStore.getInstance().getConfiguration();

    final String ambraServerHost = configuration.getString("ambra.platform.host");
    final String casProxyValidateUrl = configuration.getString("ambra.services.cas.url.proxy-validate");
    final String casLoginUrl = configuration.getString("ambra.services.cas.url.login");

    ConfigWrapperUtil.setInitParamValue(CASFilter.LOGIN_INIT_PARAM, casLoginUrl, initParamProvider, params);
    ConfigWrapperUtil.setInitParamValue(CASFilter.VALIDATE_INIT_PARAM, casProxyValidateUrl, initParamProvider,
            params);
    ConfigWrapperUtil.setInitParamValue(CASFilter.SERVERNAME_INIT_PARAM, ambraServerHost, initParamProvider,
            params);

    final FilterConfig customFilterConfig = new ConfigWrapper(filterConfig, params);
    super.init(customFilterConfig);
}

From source file:org.apache.atlas.web.filters.AtlasAuthenticationFilter.java

@Override
protected Properties getConfiguration(String configPrefix, FilterConfig filterConfig) throws ServletException {
    Configuration configuration;//from ww  w  .  j a  v  a  2  s  .com
    try {
        configuration = ApplicationProperties.get();
    } catch (Exception e) {
        throw new ServletException(e);
    }

    Properties config = new Properties();

    String kerberosAuthEnabled = configuration != null
            ? configuration.getString("atlas.authentication.method.kerberos")
            : null;
    // getString may return null, and would like to log the nature of the default setting
    String authMethod = "";
    if (kerberosAuthEnabled == null || kerberosAuthEnabled.equalsIgnoreCase("false")) {
        LOG.info("No authentication method configured.  Defaulting to simple authentication");
        authMethod = "simple";
    } else if (kerberosAuthEnabled.equalsIgnoreCase("true")) {
        authMethod = "kerberos";
    }

    if (configuration.getString("atlas.authentication.method.kerberos.name.rules") != null) {
        config.put("kerberos.name.rules",
                configuration.getString("atlas.authentication.method.kerberos.name.rules"));
    }
    if (configuration.getString("atlas.authentication.method.kerberos.keytab") != null) {
        config.put("kerberos.keytab", configuration.getString("atlas.authentication.method.kerberos.keytab"));
    }
    if (configuration.getString("atlas.authentication.method.kerberos.principal") != null) {
        config.put("kerberos.principal",
                configuration.getString("atlas.authentication.method.kerberos.principal"));
    }
    config.put(AuthenticationFilter.AUTH_TYPE, authMethod);
    config.put(AuthenticationFilter.COOKIE_PATH, "/");

    // add any config passed in as init parameters
    Enumeration<String> enumeration = filterConfig.getInitParameterNames();
    while (enumeration.hasMoreElements()) {
        String name = enumeration.nextElement();
        config.put(name, filterConfig.getInitParameter(name));
    }

    //Resolve _HOST into bind address
    String bindAddress = configuration.getString(SecurityProperties.BIND_ADDRESS);
    if (bindAddress == null) {
        LOG.info("No host name configured.  Defaulting to local host name.");
        try {
            bindAddress = InetAddress.getLocalHost().getHostName();
        } catch (UnknownHostException e) {
            throw new ServletException("Unable to obtain host name", e);
        }
    }
    String principal = config.getProperty(KerberosAuthenticationHandler.PRINCIPAL);
    if (principal != null) {
        try {
            principal = SecurityUtil.getServerPrincipal(principal, bindAddress);
        } catch (IOException ex) {
            throw new RuntimeException("Could not resolve Kerberos principal name: " + ex.toString(), ex);
        }
        config.put(KerberosAuthenticationHandler.PRINCIPAL, principal);
    }

    LOG.debug(" AuthenticationFilterConfig: {}", config);

    supportKeyTabBrowserLogin = configuration
            .getBoolean("atlas.authentication.method.kerberos.support.keytab.browser.login", false);
    String agents = configuration.getString(AtlasCSRFPreventionFilter.BROWSER_USER_AGENT_PARAM,
            AtlasCSRFPreventionFilter.BROWSER_USER_AGENTS_DEFAULT);

    if (agents == null) {
        agents = AtlasCSRFPreventionFilter.BROWSER_USER_AGENTS_DEFAULT;
    }

    parseBrowserUserAgents(agents);

    return config;
}

From source file:org.apache.hadoop.security.authentication.server.AuthenticationFilter.java

/**
 * Returns the filtered configuration (only properties starting with the specified prefix). The property keys
 * are also trimmed from the prefix. The returned {@link Properties} object is used to initialized the
 * {@link AuthenticationHandler}./*  w w w.j a v  a  2 s. c o  m*/
 * <p/>
 * This method can be overriden by subclasses to obtain the configuration from other configuration source than
 * the web.xml file.
 *
 * @param configPrefix configuration prefix to use for extracting configuration properties.
 * @param filterConfig filter configuration object
 *
 * @return the configuration to be used with the {@link AuthenticationHandler} instance.
 *
 * @throws ServletException thrown if the configuration could not be created.
 */
protected Properties getConfiguration(String configPrefix, FilterConfig filterConfig) throws ServletException {
    Properties props = new Properties();
    Enumeration<?> names = filterConfig.getInitParameterNames();
    while (names.hasMoreElements()) {
        String name = (String) names.nextElement();
        if (name.startsWith(configPrefix)) {
            String value = filterConfig.getInitParameter(name);
            props.put(name.substring(configPrefix.length()), value);
        }
    }
    return props;
}

From source file:org.apache.ranger.security.web.filter.RangerKrbFilter.java

/**
 * Returns the filtered configuration (only properties starting with the specified prefix). The property keys
 * are also trimmed from the prefix. The returned {@link Properties} object is used to initialized the
 * {@link AuthenticationHandler}.// w w  w. j  a v  a2 s.c  o  m
 * <p>
 * This method can be overriden by subclasses to obtain the configuration from other configuration source than
 * the web.xml file.
 *
 * @param configPrefix configuration prefix to use for extracting configuration properties.
 * @param filterConfig filter configuration object
 *
 * @return the configuration to be used with the {@link AuthenticationHandler} instance.
 *
 * @throws ServletException thrown if the configuration could not be created.
 */
protected Properties getConfiguration(String configPrefix, FilterConfig filterConfig) throws ServletException {
    Properties props = new Properties();
    if (filterConfig != null) {
        Enumeration<?> names = filterConfig.getInitParameterNames();
        if (names != null) {
            while (names.hasMoreElements()) {
                String name = (String) names.nextElement();
                if (name != null && configPrefix != null && name.startsWith(configPrefix)) {
                    String value = filterConfig.getInitParameter(name);
                    props.put(name.substring(configPrefix.length()), value);
                }
            }
        }
    }
    return props;
}

From source file:org.apache.struts2.dispatcher.FilterDispatcher.java

/**
 * Create a default {@link Dispatcher} that subclasses can override
 * with a custom Dispatcher, if needed.// ww  w .j a va 2 s.co m
 *
 * @param filterConfig Our FilterConfig
 * @return Initialized Dispatcher 
 */
protected Dispatcher createDispatcher(FilterConfig filterConfig) {
    Map<String, String> params = new HashMap<String, String>();
    for (Enumeration e = filterConfig.getInitParameterNames(); e.hasMoreElements();) {
        String name = (String) e.nextElement();
        String value = filterConfig.getInitParameter(name);
        params.put(name, value);
    }
    return new Dispatcher(filterConfig.getServletContext(), params);
}

From source file:org.gwtwidgets.server.filters.ResponseHeaderFilter.java

public void init(FilterConfig conf) throws ServletException {
    int size = getSize(conf.getInitParameterNames());
    if (conf.getInitParameter(URL_PATTERN) != null) {
        size--;// ww w .  ja va  2s .  c  o  m
        setupMatcher(conf.getInitParameter(URL_PATTERN));
    }
    headers = new String[size];
    values = new String[size];
    if (size == 0) {
        logger.warn("Instantiated ResponseHeaderFilter without header mappings");
        return;
    }
    logger.debug("ResponseHeaderFilter header mappings:");
    Enumeration<String> e = conf.getInitParameterNames();
    for (int i = 0; i < size;) {
        String header = e.nextElement().toString();
        if (URL_PATTERN.equals(header))
            continue;
        headers[i] = header;
        values[i] = conf.getInitParameter(headers[i]);
        if ("".equals(values[i]))
            values[i] = null;
        logger.debug(headers[i] + " = " + values[i]);
        i++;
    }
}

From source file:org.jasig.cas.client.util.ErrorRedirectFilter.java

public void init(final FilterConfig filterConfig) throws ServletException {
    this.defaultErrorRedirectPage = filterConfig.getInitParameter("defaultErrorRedirectPage");

    final Enumeration enumeration = filterConfig.getInitParameterNames();

    while (enumeration.hasMoreElements()) {
        final String className = (String) enumeration.nextElement();
        try {/*from   w  w  w  .  j a v  a2 s  .c  om*/
            if (!className.equals("defaultErrorRedirectPage")) {
                this.errors.add(new ErrorHolder(className, filterConfig.getInitParameter(className)));
            }
        } catch (final ClassNotFoundException e) {
            log.warn("Class [" + className + "] cannot be found in ClassLoader.  Ignoring.");
        }
    }
}

From source file:org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter.java

/**
 * Constructs a Cas20ServiceTicketValidator or a Cas20ProxyTicketValidator based on supplied parameters.
 *
 * @param filterConfig the Filter Configuration object.
 * @return a fully constructed TicketValidator.
 *///from  w w  w  . j  av  a2s  .c  om
protected final TicketValidator getTicketValidator(final FilterConfig filterConfig) {
    final String allowAnyProxy = getPropertyFromInitParams(filterConfig, "acceptAnyProxy", null);
    final String allowedProxyChains = getPropertyFromInitParams(filterConfig, "allowedProxyChains", null);

    // TODO ?    
    ServletContext context = filterConfig.getServletContext();
    String casServerContextName = context.getInitParameter(CAS_SERVER_NAME_CONTEXT_PARAMETER);
    CommonUtils.assertNotNull(casServerContextName, "casServerContextName cannot be null.");

    String casServerAddress = getCasServerAddress();
    logger.trace(this.getClass() + ".getTicketValidator(): casServerAddress = " + casServerAddress);

    final String casServerUrlPrefix = casServerAddress + "/" + casServerContextName + "/";
    logger.trace(this.getClass() + ".getTicketValidator(): casServerUrlPrefix = " + casServerUrlPrefix);

    final Cas20ServiceTicketValidator validator;

    if (CommonUtils.isNotBlank(allowAnyProxy) || CommonUtils.isNotBlank(allowedProxyChains)) {
        final Cas20ProxyTicketValidator v = new Cas20ProxyTicketValidator(casServerUrlPrefix);
        v.setAcceptAnyProxy(parseBoolean(allowAnyProxy));
        v.setAllowedProxyChains(CommonUtils.createProxyList(allowedProxyChains));
        validator = v;
    } else {
        validator = new Cas20ServiceTicketValidator(casServerUrlPrefix);
    }

    validator.setProxyCallbackPath(getPropertyFromInitParams(filterConfig, "proxyCallbackPath", null));

    validator.setProxyGrantingTicketStorage(this.proxyGrantingTicketStorage);
    validator.setProxyRetriever(new Cas20ProxyRetriever(casServerUrlPrefix,
            getPropertyFromInitParams(filterConfig, "encoding", null)));
    validator.setRenew(parseBoolean(getPropertyFromInitParams(filterConfig, "renew", "false")));
    validator.setEncoding(getPropertyFromInitParams(filterConfig, "encoding", null));

    final Map additionalParameters = new HashMap();
    final List params = Arrays.asList(RESERVED_INIT_PARAMS);

    for (final Enumeration e = filterConfig.getInitParameterNames(); e.hasMoreElements();) {
        final String s = (String) e.nextElement();

        if (!params.contains(s)) {
            additionalParameters.put(s, filterConfig.getInitParameter(s));
        }
    }

    validator.setCustomParameters(additionalParameters);
    validator.setHostnameVerifier(getHostnameVerifier(filterConfig));

    return validator;
}