Example usage for org.apache.commons.lang StringUtils defaultString

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils defaultString.

Prototype

public static String defaultString(String str) 

Source Link

Document

Returns either the passed in String, or if the String is null, an empty String ("").

Usage

From source file:org.codice.ddf.security.filter.websso.WebSSOFilter.java

private void handleRequest(HttpServletRequest httpRequest, HttpServletResponse httpResponse,
        FilterChain filterChain, List<AuthenticationHandler> handlers) throws IOException, ServletException {

    if (handlers.size() == 0) {
        LOGGER.warn("Handlers not ready. Returning status code 503, Service Unavailable.");
        returnSimpleResponse(HttpServletResponse.SC_SERVICE_UNAVAILABLE, httpResponse);
        return;/*from  w  w w  .  j  a  v a  2s. co  m*/
    }

    // First pass, see if anyone can come up with proper security token from the get-go
    HandlerResult result = null;
    LOGGER.debug("Checking for existing tokens in request.");

    for (AuthenticationHandler auth : handlers) {
        result = auth.getNormalizedToken(httpRequest, httpResponse, filterChain, false);
        if (result.getStatus() != HandlerResult.Status.NO_ACTION) {
            LOGGER.debug("Handler {} set the result status to {}", auth.getAuthenticationType(),
                    result.getStatus());
            break;
        }
    }

    // If we haven't received usable credentials yet, go get some
    if (result == null || result.getStatus() == HandlerResult.Status.NO_ACTION) {
        LOGGER.debug("First pass with no tokens found - requesting tokens");
        // This pass, tell each handler to do whatever it takes to get a SecurityToken
        for (AuthenticationHandler auth : handlers) {
            result = auth.getNormalizedToken(httpRequest, httpResponse, filterChain, true);
            if (result.getStatus() != HandlerResult.Status.NO_ACTION) {
                LOGGER.debug("Handler {} set the result status to {}", auth.getAuthenticationType(),
                        result.getStatus());
                break;
            }
        }
    }

    String path = StringUtils.isNotBlank(httpRequest.getContextPath()) ? httpRequest.getContextPath()
            : httpRequest.getServletPath() + StringUtils.defaultString(httpRequest.getPathInfo());
    String ipAddress = httpRequest.getHeader("X-FORWARDED-FOR");

    if (ipAddress == null) {
        ipAddress = httpRequest.getRemoteAddr();
    }

    if (result != null) {
        switch (result.getStatus()) {
        case REDIRECTED:
            // handler handled the response - it is redirecting or whatever
            // necessary to get their tokens
            LOGGER.debug("Stopping filter chain - handled by plugins");
            return;
        case NO_ACTION:
            // should never occur - one of the handlers should have returned a token
            LOGGER.warn(
                    "No handlers were able to determine required credentials, returning bad request to {}. Check policy configuration for path: {}",
                    ipAddress, path);
            returnSimpleResponse(HttpServletResponse.SC_BAD_REQUEST, httpResponse);
            return;
        case COMPLETED:
            if (result.getToken() == null) {
                LOGGER.warn(
                        "Completed without credentials for {} - check context policy configuration for path: {}",
                        ipAddress, path);
                returnSimpleResponse(HttpServletResponse.SC_BAD_REQUEST, httpResponse);
                return;
            }
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug(
                        "Attaching result handler to the http request - token is instance of {} from classloader {}",
                        result.getToken().getClass().getName(), result.getToken().getClass().getClassLoader());
            }
            httpRequest.setAttribute(DDF_AUTHENTICATION_TOKEN, result);
            break;
        default:
            LOGGER.warn("Unexpected response from handler - ignoring. Remote IP: {}, Path: {}", ipAddress,
                    path);
            return;
        }
    } else {
        LOGGER.warn(
                "Expected login credentials from {} - didn't find any. Returning a bad request for path: {}",
                ipAddress, path);
        returnSimpleResponse(HttpServletResponse.SC_BAD_REQUEST, httpResponse);
        return;
    }

    // If we got here, we've received our tokens to continue
    LOGGER.debug("Invoking the rest of the filter chain");
    try {
        filterChain.doFilter(httpRequest, httpResponse);
    } catch (InvalidSAMLReceivedException e) {
        // we tried to process an invalid or missing SAML assertion
        returnSimpleResponse(HttpServletResponse.SC_UNAUTHORIZED, httpResponse);
    } catch (Exception e) {
        LOGGER.debug("Exception in filter chain - passing off to handlers. Msg: {}", e.getMessage(), e);

        // First pass, see if anyone can come up with proper security token
        // from the git-go
        result = null;
        for (AuthenticationHandler auth : handlers) {
            result = auth.handleError(httpRequest, httpResponse, filterChain);
            if (result.getStatus() != HandlerResult.Status.NO_ACTION) {
                LOGGER.debug("Handler {} set the status to {}", auth.getAuthenticationType(),
                        result.getStatus());
                break;
            }
        }
        if (result == null || result.getStatus() == HandlerResult.Status.NO_ACTION) {
            LOGGER.debug("Error during authentication - no error recovery attempted - returning bad request.");
            httpResponse.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            httpResponse.sendError(HttpServletResponse.SC_BAD_REQUEST);
            httpResponse.flushBuffer();
        }
    }
}

---

From source file:org.codice.ddf.spatial.ogc.csw.catalog.converter.GmdConverter.java

protected void addIdentificationInfo(MetacardImpl metacard, XstreamPathValueTracker pathValueTracker) {

    pathValueTracker.add(new Path(GmdMetacardType.TITLE_PATH), StringUtils.defaultString(metacard.getTitle()));

    GregorianCalendar createdCal = new GregorianCalendar();

    if (metacard.getCreatedDate() != null) {

        createdCal.setTime(metacard.getCreatedDate());
    }/*from  w w w . j  av a2s. co  m*/
    createdCal.setTimeZone(UTC_TIME_ZONE);
    pathValueTracker.add(new Path(GmdMetacardType.CREATED_DATE_PATH),
            XSD_FACTORY.newXMLGregorianCalendar(createdCal).toXMLFormat());

    pathValueTracker.add(new Path(GmdMetacardType.CREATED_DATE_TYPE_CODE_PATH), GmdMetacardType.METACARD_URI);
    pathValueTracker.add(new Path(GmdMetacardType.CREATED_DATE_TYPE_CODE_VALUE_PATH), Metacard.CREATED);

    pathValueTracker.add(new Path(GmdMetacardType.ABSTRACT_PATH),
            StringUtils.defaultString(metacard.getDescription()));
    pathValueTracker.add(new Path(GmdMetacardType.POINT_OF_CONTACT_PATH),
            StringUtils.defaultString(metacard.getPointOfContact()));

    pathValueTracker.add(new Path(GmdMetacardType.POINT_OF_CONTACT_ROLE_PATH), (String) null);

    pathValueTracker.add(new Path(GmdMetacardType.LANGUAGE_PATH),
            StringUtils.defaultIfEmpty(Locale.getDefault().getLanguage(), Locale.ENGLISH.getLanguage()));
    addExtent(metacard, pathValueTracker);

}

---

From source file:org.codice.ddf.spatial.ogc.csw.catalog.transformer.GmdTransformer.java

private void addMetacardCrs(final XstreamPathValueTracker pathValueTracker, MetacardImpl metacard) {
    StringBuilder crs = new StringBuilder();
    crs.append("urn:ogc:def:crs:");
    crs.append(StringUtils
            .defaultString(pathValueTracker.getFirstValue(toPath(GmdMetacardType.CRS_AUTHORITY_PATH))));
    crs.append(COLON);//from  ww  w.  jav a 2 s. c o  m
    crs.append(StringUtils
            .defaultString(pathValueTracker.getFirstValue(toPath(GmdMetacardType.CRS_VERSION_PATH))));
    crs.append(COLON);
    crs.append(
            StringUtils.defaultString(pathValueTracker.getFirstValue(toPath(GmdMetacardType.CRS_CODE_PATH))));
    metacard.setAttribute(GmdMetacardType.GMD_CRS, crs.toString());

}

---

From source file:org.displaytag.decorator.MultilevelTotalTableDecorator.java

public String finishRow() {
    String returnValue = "";
    if (containsTotaledColumns) {
        if (innermostGroup > 0 && deepestResetGroup != NO_RESET_GROUP) {
            StringBuffer out = new StringBuffer();
            // Starting with the deepest group, print the current total and reset. Do not reset unaffected groups.
            for (int i = innermostGroup; i >= deepestResetGroup; i--) {
                Integer groupNumber = new Integer(i);

                GroupTotals totals = (GroupTotals) groupNumberToGroupTotal.get(groupNumber);
                if (totals == null) {
                    logger.warn("There is a gap in the defined groups - no group defined for " + groupNumber);
                    continue;
                }/*from   ww  w .  j av a 2 s  .c o m*/
                totals.printTotals(getListIndex(), out);
                totals.setStartRow(getListIndex() + 1);
            }
            returnValue = out.toString();
        } else {
            returnValue = null;
        }
        deepestResetGroup = NO_RESET_GROUP;
        headerRows.clear();
        if (isLastRow()) {
            returnValue = StringUtils.defaultString(returnValue);
            returnValue += totalAllRows();
        }
    }
    return returnValue;
}

---

From source file:org.displaytag.tags.ColumnTag.java

/**
 * setter for the "href" tag attribute./*from w w w .  j a  v  a2 s  .c  o m*/
 * 
 * @param value attribute value
 */
public void setHref(String value) {
    // call encodeURL to preserve session id when cookies are disabled
    String encodedHref = ((HttpServletResponse) this.pageContext.getResponse())
            .encodeURL(StringUtils.defaultString(value));
    this.href = new Href(encodedHref);

    if (this.onclick != null) {
        this.href.setOnclick(this.onclick);
    }
}

---

From source file:org.displaytag.tags.ColumnTag.java

/**
 * setter for the "url" tag attribute. This has the same meaning of href, but prepends the context path to the given
 * URI./*from  w  ww  .  j  av a 2 s. com*/
 * 
 * @param value attribute value
 */
public void setUrl(String value) {
    HttpServletRequest req = (HttpServletRequest) this.pageContext.getRequest();
    // call encodeURL to preserve session id when cookies are disabled
    String encodedHref = ((HttpServletResponse) this.pageContext.getResponse())
            .encodeURL(StringUtils.defaultString(req.getContextPath() + value));
    this.href = new Href(encodedHref);
}

---

From source file:org.displaytag.util.DefaultRequestHelper.java

/**
 * @see org.displaytag.util.RequestHelper#getParameterMap()
 *///  w  w  w  .  ja v  a2  s . c o  m
public Map getParameterMap() {

    Map map = new HashMap();

    // get the parameters names
    Enumeration parametersName = this.request.getParameterNames();

    while (parametersName.hasMoreElements()) {
        // ... get the value
        String paramName = (String) parametersName.nextElement();

        // put key/value in the map
        String[] originalValues = this.request.getParameterValues(paramName);
        String[] values = new String[originalValues.length];

        for (int i = 0; i < values.length; i++) {
            values[i] = CompatibleUrlEncoder.encode(StringUtils.defaultString(originalValues[i]),
                    response.getCharacterEncoding());
        }
        map.put(paramName, values);

    }

    // return the Map
    return map;
}

---

From source file:org.dresdenocl.model.base.AbstractModel.java

/**
 * <p>/* w  ww  .j a v a 2  s  .  c o  m*/
 * Constructor to be called by subclasses. The <code>displayName</code> is a
 * name that should be used to identify this model in a graphical user
 * interface. This may be the file name or another identifier.
 * </p>
 * 
 * @param displayName
 *          A name for this {@link IModel}.
 * @param metamodel
 *          The {@link IMetamodel} for this {@link IModel}.
 */
protected AbstractModel(String displayName, IMetamodel metamodel) {

    /* Use an empty string if display name is null. */
    this.displayName = StringUtils.defaultString(displayName);

    if (metamodel == null) {
        throw new IllegalArgumentException("The metamodel reference must not be null."); //$NON-NLS-1$
    }
    // no else.

    this.metamodel = metamodel;
}

---

From source file:org.ebayopensource.turmeric.eclipse.core.logging.PluginLogDelegateHandler.java

/**
 * @param severity The log severity//from   w w  w . ja v  a2  s.  com
 * @param loggerName The name of the logger
 * @param message The message body
 * @param throwable The exception instance or null if no exception.
 */
private static void log(final int severity, final String loggerName, final String message,
        final Throwable throwable) {
    if (TurmericCoreActivator.getDefault() == null)
        //the Activator has not been initialized yet
        return;
    if (systemLogger == null)
        systemLogger = TurmericCoreActivator.getDefault().getLog();
    systemLogger.log(new Status(severity, loggerName, 0, StringUtils.defaultString(message), throwable));
}

---

From source file:org.ebayopensource.turmeric.eclipse.core.model.TemplateModel.java

/**
 * Gets the documentation.
 *
 * @return the documentation
 */
public String getDocumentation() {
    return StringUtils.defaultString(documentation);
}

---

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