Example usage for javax.servlet ServletContext getInitParameter

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:net.ontopia.topicmaps.webed.impl.utils.TagUtils.java

public static Map getSchemaRegistry(ServletContext servletContext) {
    Map schemas = (Map) servletContext.getAttribute(Constants.AA_SCHEMAS);
    if (schemas != null)
        return schemas;

    // Read in schemas for the topicmaps and provide them to the app context
    String schemasRootDir = servletContext.getInitParameter(Constants.SCTXT_SCHEMAS_ROOTDIR);
    if (schemasRootDir != null)
        schemasRootDir = servletContext.getRealPath(schemasRootDir);

    schemas = new HashMap();
    if (schemasRootDir == null) {
        servletContext.setAttribute(Constants.AA_SCHEMAS, schemas);
        log.debug("No schema directory configured; registry empty");
        return schemas;
    }//w  w  w .  j  a va  2s. c o  m

    log.debug("Reading schemas from " + schemasRootDir);
    TopicMapRepositoryIF repository = NavigatorUtils.getTopicMapRepository(servletContext);
    Collection refkeys = repository.getReferenceKeys();
    Iterator iter = refkeys.iterator();
    while (iter.hasNext()) {
        String refkey = (String) iter.next();
        TopicMapReferenceIF reference = repository.getReferenceByKey(refkey);
        String tmid = reference.getId();
        try {
            OSLSchemaReader reader = new OSLSchemaReader(new File(schemasRootDir, tmid + ".osl"));
            OSLSchema schema = (OSLSchema) reader.read();
            schemas.put(tmid, schema);
            log.info("Loaded schema for " + tmid);
        } catch (java.io.IOException e) {
            log.info("Warning: " + e.getMessage());
        } catch (SchemaSyntaxException e) {
            log.error("Schema syntax error: " + e.getMessage());
            Locator loc = e.getErrorLocation();
            log.error("Location: " + loc.getSystemId() + ":" + loc.getLineNumber() + ":" + loc.getColumnNumber()
                    + ".");
        }
    }

    servletContext.setAttribute(Constants.AA_SCHEMAS, schemas);
    return schemas;
}

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From source file:org.apache.myfaces.shared.util.StateUtils.java

private static String findAlgorithm(ServletContext ctx) {

    String algorithm = ctx.getInitParameter(INIT_ALGORITHM);

    if (algorithm == null) {
        algorithm = ctx.getInitParameter(INIT_ALGORITHM.toLowerCase());
    }/* w  ww.j  a  va  2  s  .c  om*/

    return findAlgorithm(algorithm);
}

---

From source file:org.apache.myfaces.shared.util.StateUtils.java

private static String findMacAlgorithm(ServletContext ctx) {

    String algorithm = ctx.getInitParameter(INIT_MAC_ALGORITHM);

    if (algorithm == null) {
        algorithm = ctx.getInitParameter(INIT_MAC_ALGORITHM.toLowerCase());
    }//w  w w . jav a  2 s.  com

    return findMacAlgorithm(algorithm);

}

---

From source file:org.apache.myfaces.shared.util.StateUtils.java

private static byte[] findSecret(ServletContext ctx, String algorithm) {
    String secret = ctx.getInitParameter(INIT_SECRET);

    if (secret == null) {
        secret = ctx.getInitParameter(INIT_SECRET.toLowerCase());
    }//from w w w .j ava2s .c o m

    return findSecret(secret, algorithm);
}

---

From source file:org.apache.myfaces.shared.util.StateUtils.java

private static byte[] findMacSecret(ServletContext ctx, String algorithm) {
    String secret = ctx.getInitParameter(INIT_MAC_SECRET);

    if (secret == null) {
        secret = ctx.getInitParameter(INIT_MAC_SECRET.toLowerCase());
    }/*from www.j  a v  a  2 s .  c o  m*/

    return findMacSecret(secret, algorithm);
}

---

From source file:net.community.chest.gitcloud.facade.ServletUtils.java

public static final NamedExtendedPlaceholderResolver toPlaceholderResolver(final ServletContext context) {
    if (context == null) {
        return ExtendedPlaceholderResolverUtils.EMPTY_RESOLVER;
    } else {//w  w w. j a v  a 2  s  .co  m
        return new NamedExtendedPlaceholderResolver() {

            @Override
            public String resolvePlaceholder(String placeholderName, String defaultValue) {
                String value = resolvePlaceholder(placeholderName);
                if (value == null) {
                    return defaultValue;
                } else {
                    return value;
                }
            }

            @Override
            public String resolvePlaceholder(String placeholderName) {
                return context.getInitParameter(placeholderName);
            }

            @Override
            public Collection<String> getPlaceholderNames() {
                return Collections.list(context.getInitParameterNames());
            }
        };
    }
}

---

From source file:org.springframework.web.util.WebUtils.java

/**
 * Return whether response encoding should be used when HTML escaping characters,
 * thus only escaping XML markup significant characters with UTF-* encodings.
 * This option is enabled for the web application with a ServletContext param,
 * i.e. the value of the "responseEncodedHtmlEscape" context-param in {@code web.xml}
 * (if any)./*from   ww w .  j  av  a2 s. c  o m*/
 * <p>This method differentiates between no param specified at all and
 * an actual boolean value specified, allowing to have a context-specific
 * default in case of no setting at the global level.
 * @param servletContext the servlet context of the web application
 * @return whether response encoding is used for HTML escaping (null = no explicit default)
 * @since 4.1.2
 */
public static Boolean getResponseEncodedHtmlEscape(ServletContext servletContext) {
    if (servletContext == null) {
        return null;
    }
    String param = servletContext.getInitParameter(RESPONSE_ENCODED_HTML_ESCAPE_CONTEXT_PARAM);
    return (StringUtils.hasText(param) ? Boolean.valueOf(param) : null);
}

---

From source file:org.springframework.web.util.WebUtils.java

/**
 * Return whether default HTML escaping is enabled for the web application,
 * i.e. the value of the "defaultHtmlEscape" context-param in {@code web.xml}
 * (if any). Falls back to {@code false} in case of no explicit default given.
 * @param servletContext the servlet context of the web application
 * @return whether default HTML escaping is enabled (default is false)
 * @deprecated as of Spring 4.1, in favor of {@link #getDefaultHtmlEscape}
 *//*from w  w w.java2  s. com*/
@Deprecated
public static boolean isDefaultHtmlEscape(ServletContext servletContext) {
    if (servletContext == null) {
        return false;
    }
    String param = servletContext.getInitParameter(HTML_ESCAPE_CONTEXT_PARAM);
    return Boolean.valueOf(param);
}

---

From source file:net.ontopia.topicmaps.webed.impl.utils.TagUtils.java

public static ActionRegistryIF getActionRegistry(ServletRequest request) throws JspTagException {
    ServletContext servletContext = ((HttpServletRequest) request).getSession().getServletContext();
    ActionRegistryIF registry = (ActionRegistryIF) servletContext.getAttribute(Constants.AA_REGISTRY);
    if (registry != null)
        return registry;

    // Read in Action Configuration and set it to application context
    String cfgpath = servletContext.getInitParameter(Constants.SCTXT_CONFIG_PATH);
    if (cfgpath == null)
        cfgpath = "classpath:actions.xml";

    log.debug("Start reading action configuration from " + cfgpath);

    String str_delay = servletContext.getInitParameter(Constants.SCTXT_RELOAD_DELAY);
    long delay = 6000; // every 6 seconds by default
    if (str_delay != null) {
        try {//from  w w w  . ja v  a2 s. c o  m
            delay = Long.parseLong(str_delay) * 1000; // value in milliseconds
        } catch (NumberFormatException e) {
            delay = -1;
            log.warn("Warning: Falling back to no config re-reading, " + e);
        }
    }
    String ctxtPath = ((HttpServletRequest) request).getContextPath();
    String realpath = servletContext.getRealPath("");
    ActionConfigurator aconf = new ActionConfigurator(ctxtPath, realpath, cfgpath, delay);
    ActionConfigRegistrator registrator = new ActionConfigRegistrator(servletContext);

    //!aconf.addObserver(registrator);
    //!aconf.readAndWatchRegistry();

    // HACK to make loading config files from classpath work
    aconf.readRegistryConfiguration();
    registry = aconf.getRegistry();
    registrator.configurationChanged(registry);

    log.debug("Setup action configuration for the web editor and assigned it to application context.");

    return registry;
}

---

From source file:net.ontopia.topicmaps.webed.impl.utils.TagUtils.java

protected static VelocityEngine getVelocityEngine(ServletContext scontext) {
    VelocityEngine vengine = (VelocityEngine) scontext.getAttribute(Constants.SCTXT_VELOCITY_ENGINE);

    if (vengine == null) {

        // create a new velocity engine
        vengine = new VelocityEngine();

        // --- try to get properties from an own file
        String relPath = scontext.getInitParameter(Constants.SCTXT_VELOPROPS_PATH);
        if (relPath != null) {
            String velocityPropPath = scontext.getRealPath(relPath);
            log.info("Initialising velocity from property file: " + velocityPropPath);
            // load in properties
            Properties props = new Properties();
            try {
                props.load(new java.io.FileInputStream(velocityPropPath));
            } catch (java.io.IOException ioe) {
                throw new OntopiaRuntimeException(ioe);
            }/*w w w  . ja va2s .co  m*/
            // pre-cat the real directory
            String path = props.getProperty(Velocity.FILE_RESOURCE_LOADER_PATH, null);
            if (path != null) {
                path = scontext.getRealPath(path);
                props.setProperty(Velocity.FILE_RESOURCE_LOADER_PATH, path);
            } else {
                // no directory set, use default loader (classpath) for default templates
                props.setProperty("resource.loader", "class");
                props.setProperty("class.resource.loader.class",
                        "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
                props.setProperty("class.resource.loader.cache", "true");
            }
            try {
                vengine.init(props);
            } catch (Exception e) {
                throw new OntopiaRuntimeException(e);
            }
        } else {
            log.info("Initializing velocity with default properties.");
            // use class resource loaders
            Properties props = new Properties();
            props.setProperty("resource.loader", "class");
            props.setProperty("class.resource.loader.class",
                    "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
            props.setProperty("class.resource.loader.cache", "true");
            // use log4j logging system
            props.setProperty("runtime.log.system", "org.apache.velocity.runtime.log.SimpleLog4JLogSystem");
            props.setProperty("runtime.log.logsystem.log4j.category", "net.ontopia.velocity");
            props.setProperty("runtime.log", "velocity.log");
            try {
                vengine.init(props);
            } catch (Exception e) {
                throw new OntopiaRuntimeException(e);
            }
        }

        // add velocity engine to servlet context
        scontext.setAttribute(Constants.SCTXT_VELOCITY_ENGINE, vengine);
    }
    return vengine;
}

---

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