Example usage for javax.servlet FilterConfig getInitParameter

Introduction

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

Prototype

public String getInitParameter(String name);

Source Link

Document

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

Usage

From source file:optional.BasicFilter.java

@Override
public void init(FilterConfig filterConfig) throws ServletException {
    this.filterConfig = filterConfig;

    filterConfig.getServletContext();/*from  ww  w  .  ja v  a 2  s  .c  o  m*/

    String packagepath = filterConfig.getInitParameter("");
    packagepath = "";

    // configs

    // actions

    String path = filterConfig.getServletContext().getRealPath("/WEB-INF/classes" + packagepath);

    // Klassen finden
    ArrayList list = ActionPlugin.getClasses(path, packagepath);

    System.out.println("## looking for direct actions ##");
    for (Iterator iterator = list.iterator(); iterator.hasNext();) {
        try {
            Class clazz = Class.forName((String) iterator.next());

            if (!isInterfaceImplementer(clazz, DirectInterface.class)) {
                continue;
            }

            // store Actionclass and its configuration
            ConfigWrapper wrapper = new ConfigWrapper();

            wrapper.setConfig((ActionConfig) clazz.getField("struts").get(clazz));
            wrapper.setActionclass(clazz);

            wrapper.getConfig().setPath(getPathFromClassName(clazz.getName(), "Action"));

            System.out.println(wrapper.getConfig().getPath() + "\n" + clazz);

            actions.put(wrapper.getConfig().getPath(), wrapper);

        } catch (Exception e) {
            continue;
        }
    }
    System.out.println("## looking for direct actions DONE ##");

    //      request.setCharacterEncoding(encoding);  // CharsetFilter
    //      response.setCharacterEncoding(encoding);
}

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From source file:org.apache.tiles.web.util.TilesDecorationFilter.java

/** {@inheritDoc} */
public void init(FilterConfig config) throws ServletException {
    filterConfig = config;/* w w w .  j  a v  a2s.com*/

    containerKey = filterConfig.getInitParameter(CONTAINER_KEY_INIT_PARAMETER);

    String temp = config.getInitParameter("attribute-name");
    if (temp != null) {
        definitionAttributeName = temp;
    }

    temp = config.getInitParameter("definition");
    if (temp != null) {
        definitionName = temp;
    }

    temp = config.getInitParameter("prevent-token");
    preventDecorationToken = "org.apache.tiles.decoration.PREVENT:" + (temp == null ? definitionName : temp);

    alternateDefinitions = parseAlternateDefinitions();

    temp = config.getInitParameter("mutator");
    if (temp != null) {
        try {
            mutator = (AttributeContextMutator) Class.forName(temp).newInstance();
        } catch (Exception e) {
            throw new ServletException("Unable to instantiate specified context mutator.", e);
        }
    } else {
        mutator = new DefaultMutator();
    }
}

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From source file:ORG.oclc.os.ipUseThrottleFilter.ipUseThrottleFilter.java

@Override
public void init(FilterConfig fc) throws ServletException {
    Calendar c = new GregorianCalendar();
    nextReportingHour = c.get(Calendar.HOUR_OF_DAY) + 1;
    String t = fc.getInitParameter("maxTotalSimultaneousRequests");
    if (t != null)
        try {//from  w  ww .  j av a2 s .c  om
            maxTotalSimultaneousRequests = Integer.parseInt(t);
        } catch (NumberFormatException e) {
            log.error("Bad value for parameter 'maxTotalSimultaneousRequests': '" + t + "'");
            log.error("Using the default value of 10 instead");
        }

    //        t=fc.getInitParameter("maxSimultaneousRequests");
    //        if(t!=null)
    //        try {
    //            maxSimultaneousRequests=Integer.parseInt(t);
    //        }
    //        catch(Exception e) {
    //            log.error("Bad value for parameter 'maxSimultaneousRequests': '"+t+"'");
    //            log.error("Using the default value of 3 instead");
    //        }

    contactInfo = fc.getInitParameter("contactInfo");
    if (log.isDebugEnabled())
        log.debug("contactInfo=" + contactInfo);
    addressInHeader = fc.getInitParameter("addressInHeader");
    if (log.isDebugEnabled())
        log.debug("addressInHeader=" + addressInHeader);

    String eA = fc.getInitParameter("equivalentAddresses");
    if (eA != null) { // comma/blank/tab separated list of shortAddr=shortAddr
        // e.g. 157.55.33=157.55.32, 157.55.34=157.55.32, 157.55.35=157.55.32, 157.55.36=157.55.32, 157.55.37=157.55.32
        // or 157.55.*=157.55.0
        // or 69.171.224-255=69.171.224
        String first, pair, second;
        StringTokenizer findPairs = new StringTokenizer(eA, ",\t ");
        StringTokenizer findValues;
        while (findPairs.hasMoreTokens()) {
            pair = findPairs.nextToken();
            findValues = new StringTokenizer(pair, "=");
            first = findValues.nextToken();
            second = findValues.nextToken();
            if (first.endsWith(".*")) {
                first = first.substring(0, first.indexOf(".*"));
                for (int i = 0; i < 256; i++)
                    equivalentAddresses.put(first + "." + i, second);
            } else if (first.contains("-")) {
                int offset = first.lastIndexOf('.');
                String base = first.substring(0, offset);
                String rest = first.substring(offset + 1);
                StringTokenizer range = new StringTokenizer(rest, "-");
                int start = Integer.parseInt(range.nextToken());
                int end = Integer.parseInt(range.nextToken());
                for (int i = start; i < end; i++) {
                    System.out.println("adding " + base + "." + i + "=" + second + " to the equivalence table");
                    equivalentAddresses.put(base + "." + i, second);
                }
            } else
                equivalentAddresses.put(first, second);
        }
    }

    String iA = fc.getInitParameter("ignorableAddresses");
    if (iA != null) {
        StringTokenizer st = new StringTokenizer(iA, ", ");
        while (st.hasMoreTokens())
            ignorableAddresses.add(st.nextToken());
    }
}

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From source file:org.vulpe.controller.filter.VulpeFilterDispatcher.java

/**
 * Initiate URL Rewrite Filter.//from w  w w.ja v a  2s  .com
 *
 * @param filterConfig
 * @throws ServletException
 */
private void initURLRewrite(final FilterConfig filterConfig) throws ServletException {
    URL_REWRITE_FILTER.init(filterConfig);
    final ServletContext context = filterConfig.getServletContext();
    String confPath = filterConfig.getInitParameter("confPath");
    if (StringUtils.isEmpty(confPath)) {
        confPath = UrlRewriteFilter.DEFAULT_WEB_CONF_PATH;
    }
    URL confUrl = null;
    try {
        confUrl = context.getResource(confPath);
    } catch (MalformedURLException e) {
        LOG.debug(e.getMessage());
    }
    String confUrlStr = null;
    if (confUrl != null) {
        confUrlStr = confUrl.toString();
    }
    final InputStream inputStream = context.getResourceAsStream(confPath);
    final Conf conf = new Conf(context, inputStream, confPath, confUrlStr, false);
    URL_REWRITER = new UrlRewriter(conf);
}

---

From source file:com.alfaariss.oa.util.web.SharedSecretFilter.java

/**
 * Initializes the <code>RemoteAddrFilter</code>.
 * /*from w  w  w  .  j  av a 2 s  .  c  o m*/
 * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)
 */
public void init(FilterConfig oFilterConfig) throws ServletException {
    try {
        //Get filter name
        _sFilterName = oFilterConfig.getFilterName();
        if (_sFilterName == null)
            _sFilterName = SharedSecretFilter.class.getSimpleName();

        //Read shared secret parameter
        _sharedSecret = oFilterConfig.getInitParameter("shared_secret");
        if (_sharedSecret == null || _sharedSecret.length() <= 0) {
            _logger.error("No 'shared_secret' init parameter found in filter configuration");
            throw new OAException(SystemErrors.ERROR_INIT);
        }
        _logger.info(_sFilterName + " started.");
    } catch (OAException e) {
        _logger.fatal(_sFilterName + " start failed", e);
        throw new ServletException();
    } catch (Exception e) {
        _logger.fatal(_sFilterName + " start failed due to internal error", e);
        throw new ServletException();
    }
}

---

From source file:com.jaspersoft.jasperserver.war.StaticFilesCacheControlFilter.java

@Override
public void init(FilterConfig filterConfig) throws ServletException {
    Enumeration<String> paramNames = filterConfig.getInitParameterNames();
    while (paramNames != null && paramNames.hasMoreElements()) {
        String paramName = paramNames.nextElement();
        String value = filterConfig.getInitParameter(paramName);
        if (URL_ENDS_WITH.equals(paramName)) {
            if (value != null && value.length() > 0) {
                String[] types = value.split(" ");
                for (int i = 0; i < types.length; i++) {
                    if (types[i].length() > 0) {
                        urlSuffixes.add(types[i].toLowerCase());
                        log.debug("URL suffix added : " + types[i]);
                    }/*from   w  w  w .  j  a  va  2s .  com*/
                }
            }
        } else if (URL_STARTS_WITH.equals(paramName)) {
            if (value != null && value.length() > 0) {
                String[] types = value.split(" ");
                for (int i = 0; i < types.length; i++) {
                    if (types[i].length() > 0) {
                        urlPrefixes.add(types[i].toLowerCase());
                        log.debug("URL prefix added : " + types[i]);
                    }
                }
            }
        } else if (EXCLUDE_PAGE_FROM_CACHE_REGEX.equals(paramName)) {
            if (value == null)
                continue;
            String[] regexStrs = value.split(" ");
            exclusionRegexSet.addAll(Arrays.asList(regexStrs));
            log.debug("Added " + exclusionRegexSet.size() + " cache exclusion regex.");
        } else if (EXPIRES_AFTER_ACCESS_IN_SECS.equals(paramName)) {
            try {
                expiresInSecs = Integer.parseInt(value);
                log.debug("Expires in seconds set : " + expiresInSecs);
            } catch (Exception ex) {
                log.error(EXPIRES_AFTER_ACCESS_IN_SECS + " should be a non-negative integer", ex);
            }
        } else {
            log.warn("Unknown parameter, ignoring : " + paramName);
        }
    }
}

---

From source file:io.milton.servlet.SpringMiltonFilter.java

@Override
public void init(FilterConfig fc) throws ServletException {
    log.info("init");

    initSpringApplicationContext(fc);//from w ww  . ja  v a 2s .com

    servletContext = fc.getServletContext();

    String sExcludePaths = fc.getInitParameter(EXCLUDE_PATHS_SYSPROP);
    if (sExcludePaths != null) {
        log.info("init: exclude paths: " + sExcludePaths);
        excludeMiltonPaths = sExcludePaths.split(",");
    } else {
        log.info("init: exclude paths property has not been set in filter init param " + EXCLUDE_PATHS_SYSPROP);
    }

    Object milton = context.getBean("milton.http.manager");
    if (milton instanceof HttpManager) {
        this.httpManager = (HttpManager) milton;
    } else if (milton instanceof HttpManagerBuilder) {
        HttpManagerBuilder builder = (HttpManagerBuilder) milton;
        ResourceFactory rf = builder.getMainResourceFactory();
        if (rf instanceof AnnotationResourceFactory) {
            AnnotationResourceFactory arf = (AnnotationResourceFactory) rf;
            if (arf.getViewResolver() == null) {
                ViewResolver viewResolver = new JspViewResolver(servletContext);
                arf.setViewResolver(viewResolver);
            }
        }
        this.httpManager = builder.buildHttpManager();
    }

    // init mail server
    if (context.containsBean("milton.mail.server")) {
        log.info("init mailserver...");
        Object oMailServer = context.getBean("milton.mail.server");
        if (oMailServer instanceof MailServer) {
            mailServer = (MailServer) oMailServer;
        } else if (oMailServer instanceof MailServerBuilder) {
            MailServerBuilder builder = (MailServerBuilder) oMailServer;
            mailServer = builder.build();
        } else {
            throw new RuntimeException("Unsupported type: " + oMailServer.getClass() + " expected "
                    + MailServer.class + " or " + MailServerBuilder.class);
        }
        log.info("starting mailserver");
        mailServer.start();
    }
    log.info("Finished init");
}

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From source file:org.apache.hadoop.gateway.dispatch.HttpClientDispatch.java

protected void init(FilterConfig filterConfig, AppCookieManager cookieManager) throws ServletException {
    super.init(filterConfig);
    appCookieManager = cookieManager;/* ww  w . j a v  a2 s . co m*/
    String replayBufferSizeString = filterConfig.getInitParameter(REPLAY_BUFFER_SIZE_PARAM);
    if (replayBufferSizeString != null) {
        setReplayBufferSize(Integer.valueOf(replayBufferSizeString));
    }
}

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From source file:net.big_oh.common.web.filters.ipaddress.IPAddressFilter.java

@SuppressWarnings(value = "unchecked")
private void initIPAddressFilteringRules(FilterConfig filterConfig) {

    Enumeration<String> filterInitParamNames = filterConfig.getInitParameterNames();
    while (filterInitParamNames.hasMoreElements()) {
        String initParamName = filterInitParamNames.nextElement();
        String initParamValue = filterConfig.getInitParameter(initParamName);

        if (initParamName.indexOf(".") != -1) {

            IPAddressFilterRule newFilterRuleFromFilterConfigParam = instantiateIPAddressFilterRule(
                    initParamName, initParamValue);

            if (newFilterRuleFromFilterConfigParam != null) {
                registerFilterRuleWithFilter(newFilterRuleFromFilterConfigParam);
            }/*from  w w w.j  a va 2  s .co m*/

        } else {
            logger.warn("Ignoring filter init parameter '" + initParamName
                    + "' because it doesn't seem to be the name of a Class.");
        }
    }

}

---

From source file:com.avlesh.web.filter.responseheaderfilter.ResponseHeaderFilter.java

public void init(FilterConfig filterConfig) throws ServletException, RuntimeException {
    //if specified in web.xml, take that value as the config file
    if (StringUtils.isNotEmpty(filterConfig.getInitParameter("configFile"))) {
        configFileName = filterConfig.getInitParameter("configFile");
    }// w w w .  j  a v a  2  s . c om

    String fullConfigFilePath = filterConfig.getServletContext().getRealPath(configFileName);
    configFile = new File(fullConfigFilePath);
    if (!configFile.exists() || !configFile.canRead()) {
        //not expecting this, the config file should exist and be readable
        throw new RuntimeException("Cannot initialize ResponseHeaderFilter, error reading " + configFileName);
    }

    //object to hold preferences related to conf reloading
    confReloadInfo = new ConfReloadInfo();
    String reloadCheckIntervalStr = filterConfig.getInitParameter("reloadCheckInterval");
    //if web.xml filter definition has no "reloadCheckInterval" applied, default values in ConfReloadInfo are used  
    if (StringUtils.isNotEmpty(reloadCheckIntervalStr)) {
        Integer reloadCheckInterval = Integer.valueOf(reloadCheckIntervalStr);
        if (reloadCheckInterval > 0) {
            confReloadInfo.reloadEnabled = true;
            confReloadInfo.reloadCheckInterval = reloadCheckInterval;
        } else {
            //zero or negative values means don't ever reload
            confReloadInfo.reloadEnabled = false;
            confReloadInfo.reloadCheckInterval = 0;
        }
    }

    //parse all the mappings into Rules
    ConfigProcessor configProcessor = new ConfigProcessor(configFile);
    Map<Pattern, Mapping> allRules = configProcessor.getRuleMap();
    urlPatterns.addAll(allRules.keySet());
    rules.putAll(allRules);
}

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