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

List of usage examples for org.apache.commons.lang StringUtils trimToNull

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Introduction

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

Prototype

public static String trimToNull(String str)

Source Link

Document

Removes control characters (char <= 32) from both ends of this String returning null if the String is empty ("") after the trim or if it is null.

Usage

From source file:ch.entwine.weblounge.common.impl.request.RequestUtils.java

/**
 * Checks a parameter <code>parameter</code> is present in the url of the
 * request at the indicated position, starting with the action's mountpoint.
 * In this case, the parameter itself is returned, <code>null</code>
 * otherwise./*www. j av a 2s. c o m*/
 * 
 * @param request
 *          the weblounge request
 * @param index
 *          the parameter index
 * @return the parameter value or <code>null</code> if the parameter is not
 *         available
 */
public static String getParameter(WebloungeRequest request, Action action, int index) {
    List<String> urlparams = getRequestedUrlParams(request, action);

    // Did we extract as many parameters as we should?
    if (index >= urlparams.size())
        return null;

    String p = urlparams.get(index);
    try {
        p = decode(p, "utf-8");
    } catch (UnsupportedEncodingException e) {
        logger.error("Encoding 'utf-8' is not supported on this platform");
    }
    return StringUtils.trimToNull(p);
}

From source file:adalid.commons.velocity.VelocityAid.java

/**
 * split a text into a list of lines./*ww  w .  j  a  v  a 2s  .  c  o  m*/
 *
 * @param string the text to split.
 * @param max the maximum line length.
 * @param separator the paragraph separator string.
 * @param separatorLine if true, the paragraph separator is added as a line between paragraphs.
 * @param prefix the new line prefix
 * @return the list of split.
 */
public static List<String> split(String string, int max, String separator, boolean separatorLine,
        String prefix) {
    List<String> strings = new ArrayList<>();
    String str = StringUtils.trimToNull(string);
    if (str != null) {
        int maxLineLength, lineLength, wordLength, lastParagraph;
        String line, paragraph;
        String[] words, paragraphs;
        String sep = StringUtils.trimToNull(separator);
        String nlp = prefix == null ? "" : prefix;
        boolean sl = sep != null && separatorLine;
        paragraphs = sep == null ? new String[] { str } : StringUtils.splitByWholeSeparator(str, separator);
        lastParagraph = paragraphs.length - 1;
        for (int i = 0; i < paragraphs.length; i++) {
            //              paragraph = paragraphs[i].trim();
            paragraph = paragraphs[i].replaceAll(" +$", ""); // remove spaces at the end of the paragraph
            if (max > 0) {
                maxLineLength = max;
                if (paragraph.length() > maxLineLength) {
                    line = "";
                    words = StringUtils.split(paragraph);
                    for (String word : words) {
                        lineLength = line.length();
                        wordLength = word.length() + 1;
                        if (lineLength == 0) {
                            line = word;
                        } else if (lineLength + wordLength > maxLineLength) {
                            strings.add(line);
                            maxLineLength = max - nlp.length();
                            line = nlp + word;
                        } else {
                            line += " " + word;
                        }
                    }
                    strings.add(line);
                } else {
                    strings.add(paragraph);
                }
            } else {
                strings.add(paragraph);
            }
            if (sl && i < lastParagraph) {
                strings.add(sep);
            }
        }
    }
    return strings;
}

From source file:ch.entwine.weblounge.contentrepository.impl.index.ContentRepositoryIndex.java

/**
 * Returns the identifier of the resource with uri <code>uri</code> or
 * <code>null</code> if the uri is not part of the index.
 * //w ww.  j a va 2 s. co m
 * @param uri
 *          the uri
 * @return the id
 * @throws IllegalArgumentException
 *           if the uri does not contain a path
 * @throws ContentRepositoryException
 *           if accessing the index fails
 */
public String getIdentifier(ResourceURI uri) throws ContentRepositoryException, IllegalArgumentException {

    if (uri.getIdentifier() != null)
        return uri.getIdentifier();

    String path = StringUtils.trimToNull(uri.getPath());
    if (path == null)
        throw new IllegalArgumentException("ResourceURI must contain a path");

    // Load the identifier from the index
    SearchQuery q = new SearchQueryImpl(site).withPath(path);
    if (uri.getType() != null)
        q.withTypes(uri.getType());
    SearchResultItem[] items = searchIdx.getByQuery(q).getItems();
    if (items.length == 0) {
        logger.debug("Attempt to locate id for non-existing path {}", path);
        return null;
    }

    String id = (String) ((ResourceSearchResultItem) items[0]).getMetadataByKey(RESOURCE_ID).getValue();
    uri.setIdentifier(id);
    return id;
}

From source file:ch.entwine.weblounge.kernel.site.SiteDispatcherServiceImpl.java

/**
 * Configures this service using the given configuration properties.
 * //  w  w  w.j av a 2  s  .c  om
 * @param config
 *          the service configuration
 * @throws ConfigurationException
 *           if configuration fails
 */
private boolean configure(Dictionary<?, ?> config) throws ConfigurationException {

    logger.debug("Configuring the site registration service");
    boolean configurationChanged = true;

    // Activate precompilation?
    String precompileSetting = StringUtils.trimToNull((String) config.get(OPT_PRECOMPILE));
    precompile = precompileSetting == null || ConfigurationUtils.isTrue(precompileSetting);
    logger.debug("Jsp precompilation {}", precompile ? "activated" : "deactivated");

    // Log compilation errors?
    String logPrecompileErrors = StringUtils.trimToNull((String) config.get(OPT_PRECOMPILE_LOGGING));
    logCompileErrors = logPrecompileErrors != null && ConfigurationUtils.isTrue(logPrecompileErrors);
    logger.debug("Precompilation errors will {} logged", logCompileErrors ? "be" : "not be");

    // Store the jasper configuration keys
    Enumeration<?> keys = config.keys();
    while (keys.hasMoreElements()) {
        String key = (String) keys.nextElement();
        if (key.startsWith(OPT_JASPER_PREFIX) && key.length() > OPT_JASPER_PREFIX.length()) {
            String value = (String) config.get(key);
            if (StringUtils.trimToNull(value) == null)
                continue;
            value = ConfigurationUtils.processTemplate(value);
            key = key.substring(OPT_JASPER_PREFIX.length());

            boolean optionChanged = value.equalsIgnoreCase(jasperConfig.get(key));
            configurationChanged |= !optionChanged;
            if (optionChanged)
                logger.debug("Jetty jsp parameter '{}' configured to '{}'", key, value);

            jasperConfig.put(key, value);
            // This is a work around for jasper's horrible implementation of the
            // compiler context configuration. Some keys are camel case, others are
            // lower case.
            jasperConfig.put(key.toLowerCase(), value);
        }
    }

    return configurationChanged;
}

From source file:com.bluexml.xforms.generator.forms.Renderable.java

/**
 * Renders the element as nested into a div if the "appearance" property is set. The string
 * value of the property is the CSS class of the div.
 * /*from w w  w.  j  a v a  2s.  c o m*/
 * @param rendered
 *            the XML element of this field. WILL BE MODIFIED IF A STYLE IS DEFINED.
 */
protected void applyStyle(Rendered rendered, String style) {
    if (StringUtils.trimToNull(style) != null) {
        Element divStyle = XFormsGenerator.createElement("div", XFormsGenerator.NAMESPACE_XHTML);
        Element nestedElement = rendered.getXformsElement();
        divStyle.setAttribute("class", style);
        divStyle.addContent(nestedElement);

        rendered.setXformsElement(divStyle);
    }
}

From source file:com.haulmont.cuba.desktop.gui.components.DesktopSearchField.java

protected void updateEditState() {
    Component editorComponent = comboBox.getEditor().getEditorComponent();
    boolean value = required && isEditableWithParent() && isEnabledWithParent()
            && editorComponent instanceof JTextComponent
            && StringUtils.isEmpty(((JTextComponent) editorComponent).getText());
    if (value) {//w w w .j  av a  2  s  .co  m
        comboBox.setBackground(requiredBgColor);
    } else {
        comboBox.setBackground(defaultBgColor);

        if (editable && enabled) {
            if (editorComponent instanceof JTextComponent) {
                String inputText = StringUtils.trimToNull(((JTextComponent) editorComponent).getText());

                if (prevValue == null) {
                    String nullOptionText = null;
                    if (nullOption != null) {
                        nullOptionText = String.valueOf(nullOption);
                    }

                    if (StringUtils.isNotEmpty(inputText) && nullOption == null
                            || !Objects.equals(nullOptionText, inputText)) {
                        comboBox.setBackground(searchEditBgColor);
                    }
                } else {
                    String valueText = getDisplayString((Entity) prevValue);

                    if (!Objects.equals(inputText, valueText)) {
                        comboBox.setBackground(searchEditBgColor);
                    }
                }
            }
        }
    }
}

From source file:com.egt.core.aplicacion.web.GestorPaginaActualizacion.java

protected boolean isConsultaValida() {
    if (designing) {
        return true;
    }//from   w w  w. j ava 2 s.  c  o m
    this.track("isConsultaValida");
    boolean ok = !this.isRestauracion()
            && this.getPaginaActualizacion().getRecursoDataProvider().isFuncionSelectAutorizada();
    if (ok) {
        long f1 = this.getPaginaActualizacion().getRecursoDataProvider().getFuncionSelect();
        long f2 = this.getPaginaActualizacion().getFuncionConsultarRecurso();
        this.trace("funcion-actual=" + f1 + ", funcion-anterior=" + f2);
        ok = f1 == f2;
    }
    if (ok) {
        long v1 = this.getPaginaActualizacion().getRecursoDataProvider().getVersionComandoSelect();
        long v2 = this.getPaginaActualizacion().getContextoSesion()
                .getVersionComandoSelectPagina(this.getClavePagina());
        this.trace("version-actual=" + v1 + ", version-anterior=" + v2);
        ok = v1 == v2;
    }
    if (ok && this.isReinicio()) {
        String c1 = StringUtils
                .trimToNull(this.getPaginaActualizacion().getRecursoDataProvider().getCriteriosBusqueda());
        String c2 = StringUtils
                .trimToNull(this.getPaginaActualizacion().getContextoPeticion().getCriteriosBusqueda());
        this.trace("criterio-actual=" + c1 + ", criterio-anterior=" + c2);
        ok = c1 == null ? c2 == null : c1.equals(c2);
    }
    //      if (ok && this.isPaginaConsultaConMaestro()) {
    //          Long i1 = this.getIdentificacionRecursoMaestro();
    //          Long i2 = this.getPaginaActualizacion().getContextoSesion().getIdentificacionRecursoMaestroPagina(this.getClavePagina());
    //          this.trace("maestro-actual=" + i1 + ", maestro-anterior=" + i2);
    //          ok = i1 == null ? i2 == null : i1.equals(i2);
    //      }
    if (ok) {
        //          String c1 = this.getColumnaIdentificacionRecursoMaestro();
        String c1 = this.getPaginaActualizacion().getRecursoDataProvider().getColumnaMaestro();
        String c2 = this.getPaginaActualizacion().getContextoSesion()
                .getColumnaIdentificacionRecursoMaestroPagina(this.getClavePagina());
        this.trace("maestro-actual=" + c1 + ", maestro-anterior=" + c2);
        ok = c1 == null ? c2 == null : c1.equals(c2);
    }
    if (ok) {
        //          Long i1 = this.getIdentificacionRecursoMaestro();
        Long i1 = this.getPaginaActualizacion().getRecursoDataProvider().getIdentificacionMaestro();
        Long i2 = this.getPaginaActualizacion().getContextoSesion()
                .getIdentificacionRecursoMaestroPagina(this.getClavePagina());
        this.trace("maestro-actual=" + i1 + ", maestro-anterior=" + i2);
        ok = i1 == null ? i2 == null : i1.equals(i2);
    }
    return ok;
}

From source file:com.egt.core.db.util.InterpreteSqlAbstracto.java

@Override
public String getStringCriterioOrden(CriterioOrden criterio) {
    String columna = StringUtils.trimToNull(criterio.getColumna());
    if (columna == null) {
        return null;
    }//from   www.j  av a  2 s  .  c o m
    if (EnumCriterioOrden.ORDEN_DESCENDENTE.equals(criterio.getOrden())) {
        return columna + " " + getDescending();
    } else {
        //          return columna + " " + getAscending();
        return columna;
    }
}

From source file:com.opengamma.examples.bloomberg.loader.ExampleEquityPortfolioLoader.java

protected Collection<ExternalId> readEquityTickers() {
    final Collection<ExternalId> result = new ArrayList<>();
    final InputStream inputStream = ExampleEquityPortfolioLoader.class
            .getResourceAsStream("example-equity.csv");
    try {/*from  w  w  w.  j  a  v  a 2 s  .  c  o m*/
        if (inputStream != null) {
            final List<String> equityTickers = IOUtils.readLines(inputStream);
            for (String idStr : equityTickers) {
                idStr = StringUtils.trimToNull(idStr);
                if (idStr != null && !idStr.startsWith("#")) {
                    result.add(ExternalSchemes.bloombergTickerSecurityId(idStr));
                }
            }
        } else {
            throw new OpenGammaRuntimeException("File '" + EXAMPLE_EQUITY_FILE + "' could not be found");
        }
    } catch (final IOException ex) {
        throw new OpenGammaRuntimeException(
                "An error occurred while reading file '" + EXAMPLE_EQUITY_FILE + "'");
    } finally {
        IOUtils.closeQuietly(inputStream);
    }

    final StringBuilder sb = new StringBuilder();
    sb.append("Parsed ").append(result.size()).append(" equities:\n");
    for (final ExternalId equityId : result) {
        sb.append("\t").append(equityId.getValue()).append("\n");
    }
    s_logger.info(sb.toString());
    return result;
}

From source file:com.bluexml.xforms.generator.forms.renderable.common.field.AbstractRenderableField.java

/**
 * Adds the hint, alert and help elements. Must be called after
 * {@link #applyConstraints(ModelElementBindSimple)} because of the lengths.
 * /*from www  . j av a  2s .com*/
 * @param input
 *            the input
 */
protected void addHintAndMessages(Element input) {
    String hint = getHint();

    if (StringUtils.trimToNull(hint) != null) {
        Element hintElement = XFormsGenerator.createElement("hint", XFormsGenerator.NAMESPACE_XFORMS);
        hintElement.setText(hint);
        input.addContent(hintElement);
        Element helpElement = XFormsGenerator.createElement("help", XFormsGenerator.NAMESPACE_XFORMS);
        helpElement.setText(hint);
        input.addContent(helpElement);
    }
    // deal with error message
    String errMsg = "";
    if (isRequired()) {
        errMsg = MsgPool.getMsg(MsgId.MSG_FIELD_MANDATORY, getTitle());
    }
    if (StringUtils.trimToNull(errMsg) != null) {
        errMsg += " ";
    }
    // get full message for the constraints of the field
    errMsg += getErrorMessage();
    if (StringUtils.trimToNull(errMsg) != null) {
        Element alertElement = XFormsGenerator.createElement("alert", XFormsGenerator.NAMESPACE_XFORMS);
        alertElement.setText(errMsg);
        input.addContent(alertElement);
    }
}