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

Introduction

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

Prototype

public static boolean isWhitespace(String str) 

Source Link

Document

Checks if the String contains only whitespace.

Usage

From source file:org.apache.shindig.gadgets.rewrite.CssResponseRewriter.java

/**
 * Rewrite the CSS content in a style DOM node.
 * @param styleNode Rewrite the CSS content of this node
 * @param source Uri of content/*  ww  w.  j  a v  a2  s . c  o  m*/
 * @param uriMaker a UriMaker
 * @param extractImports If true remove the import statements from the output and return their
 *            referenced URIs.
 * @param gadgetContext The gadgetContext
 * @return Empty list of extracted import URIs.
 */
public List<String> rewrite(Element styleNode, Uri source, UriMaker uriMaker, boolean extractImports,
        GadgetContext gadgetContext) throws RewritingException {
    try {
        CssTree.StyleSheet stylesheet = cssParser.parseDom(styleNode.getTextContent(), source);
        List<String> imports = rewrite(stylesheet, source, uriMaker, extractImports, gadgetContext);
        // Write the rewritten CSS back into the element
        String content = cssParser.serialize(stylesheet);
        if (StringUtils.isEmpty(content) || StringUtils.isWhitespace(content)) {
            // Remove the owning node
            styleNode.getParentNode().removeChild(styleNode);
        } else {
            styleNode.setTextContent(content);
        }
        return imports;
    } catch (GadgetException ge) {
        if (ge.getCause() instanceof ParseException) {
            LOG.log(Level.WARNING, "Caja CSS parse failure: " + ge.getCause().getMessage() + " for " + source);
            return Collections.emptyList();
        } else {
            throw new RewritingException(ge, ge.getHttpStatusCode());
        }
    }
}

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From source file:org.apache.torque.generator.configuration.source.SourceTransformerSaxHandler.java

/**
 * {@inheritDoc}/*from   www .  j a  v a 2s .  c  om*/
 */
@Override
public void startElement(String uri, String localName, String rawName, Attributes attributes)
        throws SAXException {
    if (level == 0) {
        level++;
        if (rawName.equals(TRANSFORMER_TAG)) {
            String className = attributes.getValue(TRANSFORMER_CLASS_ATTRIBUTE);
            if (className == null) {
                throw new SAXException("The attribute " + TRANSFORMER_CLASS_ATTRIBUTE
                        + " must not be null for the element " + TRANSFORMER_TAG);
            }
            elements = attributes.getValue(ELEMENTS_ATTRIBUTE);
            sourceTransformer = createJavaSourceTransformer(className);
        } else {
            throw new SAXException("Unknown element " + rawName);
        }
    } else if (level == 1) {
        level++;
        propertyName = rawName;
        simplePropertyValue = new StringBuilder();
    } else if (level == 2) {
        level++;
        if (simplePropertyValue.length() > 0 && !StringUtils.isWhitespace(simplePropertyValue.toString())) {
            throw new SAXException(
                    "Cannot parse both text content and child elements " + " in element " + propertyName);
        }
        simplePropertyValue = null;
        if (listPropertyValue == null) {
            listPropertyValue = new ArrayList<String>();
        }
        listPropertyEntry = new StringBuilder();
    } else {
        throw new SAXException("unknown Element " + rawName);
    }
}

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From source file:org.artifactory.rest.common.list.KeyValueList.java

public KeyValueList(String s) {
    super();/*from www.j  a  v  a2  s  .c om*/
    String[] splittedValues = BACKSLASH_PIPE_PATTERN.split(s);
    for (String v : splittedValues) {
        try {
            if (!StringUtils.isWhitespace(v)) {
                add(v.trim());
            }
        } catch (Exception ex) {
            log.error("Error while parsing list parameter '{}': {}.", s, ex.getMessage());
            throw new WebApplicationException(ex, Response.Status.BAD_REQUEST);
        }
    }
}

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From source file:org.artifactory.rest.common.list.StringList.java

public StringList(String s) {
    super();/*from ww  w  . j a v  a2s .  c o m*/

    for (String v : s.split(",")) {
        try {
            if (!StringUtils.isWhitespace(v)) {
                add(v.trim());
            }
        } catch (Exception ex) {
            log.error("Error while parsing list parameter '{}': {}.", s, ex.getMessage());
            throw new WebApplicationException(ex, Response.Status.BAD_REQUEST);
        }
    }
}

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From source file:org.codice.ddf.security.migratable.impl.SecurityMigratable.java

private void exportCrlFile(Path propertiesPath, Path exportDirectory,
        Collection<MigrationWarning> migrationWarnings) throws MigrationException {
    LOGGER.debug("Exporting CRL from property [{}] in file [{}]...", CRL_PROP_KEY, propertiesPath.toString());
    String crlPathStr = migratableUtil.getJavaPropertyValue(propertiesPath, CRL_PROP_KEY);

    if (crlPathStr == null) {
        return;//from  w  w  w . j  av a 2  s . c  om
    }

    if (StringUtils.isWhitespace(crlPathStr)) {
        String error = String.format(
                "Failed to export CRL. No CRL path found in file [%s]. Property [%s] from properties file [%s] has a blank value.",
                propertiesPath, CRL_PROP_KEY, propertiesPath);
        throw new ExportMigrationException(error);
    }

    Path crlPath = Paths.get(crlPathStr);
    migratableUtil.copyFile(crlPath, exportDirectory, migrationWarnings);
}

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From source file:org.commonwl.view.workflow.WorkflowFormValidator.java

/**
 * Checks if a string is empty or whitespace
 * @param str The string to be checked/*w ww  .  j  a  v  a  2  s .c  o m*/
 * @return Whether the string is empty or whitespace
 */
private boolean isEmptyOrWhitespace(String str) {
    return (str == null || str.length() == 0 || StringUtils.isWhitespace(str));
}

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From source file:org.dspace.search.QueryArgs.java

/**
 * Builds a query-part using the field and value passed in
 * with ' --> " (single to double quote) translation.
 *
 * @param myquery the value the query will look for
 * @param myfield the field myquery will be looked for in
 *
 * @return the query created//from   ww  w . j a  v a  2s  . com
 */
private String buildQueryPart(String myquery, String myfield) {
    StringBuilder newQuery = new StringBuilder();
    newQuery.append("(");

    boolean newTerm = true;
    boolean inPhrase = false;
    char phraseChar = '\"';

    StringTokenizer qtok = new StringTokenizer(myquery, " \t\n\r\f\"\'", true);

    while (qtok.hasMoreTokens()) {
        String token = qtok.nextToken();
        if (StringUtils.isWhitespace(token)) {
            if (!inPhrase) {
                newTerm = true;
            }

            newQuery.append(token);
        } else {
            // Matched the end of the phrase
            if (inPhrase && token.charAt(0) == phraseChar) {
                newQuery.append("\"");
                inPhrase = false;
            } else {
                // If we aren't dealing with a new term, and have a single quote
                // don't touch it. (for example, the apostrophe in it's).
                if (!newTerm && token.charAt(0) == '\'') {
                    newQuery.append(token);
                } else {
                    // Treat - my"phrased query" - as - my "phrased query"
                    if (!newTerm && token.charAt(0) == '\"') {
                        newQuery.append(" ");
                        newTerm = true;
                    }

                    // This is a new term in the query (ie. preceeded by nothing or whitespace)
                    // so apply a field restriction if specified
                    if (newTerm && !myfield.equals("ANY")) {
                        newQuery.append(myfield).append(":");
                    }

                    // Open a new phrase, and closing at the corresponding character
                    // ie. 'my phrase' or "my phrase"
                    if (token.charAt(0) == '\"' || token.charAt(0) == '\'') {
                        newQuery.append("\"");
                        inPhrase = true;
                        newTerm = false;
                        phraseChar = token.charAt(0);
                    } else {
                        newQuery.append(token);
                        newTerm = false;
                    }
                }
            }
        }
    }

    newQuery.append(")");
    return newQuery.toString();
}

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From source file:org.eclipse.uomo.ucum.parsers.DefinitionParser.java

public UcumModel parse(InputStream stream) throws XmlPullParserException, IOException, ParseException {
    XmlPullParserFactory factory = XmlPullParserFactory
            .newInstance(System.getProperty(XmlPullParserFactory.PROPERTY_NAME), null);
    factory.setNamespaceAware(true);//from   w  ww .  ja va  2s  . c  om
    XmlPullParser xpp = factory.newPullParser();

    xpp.setInput(stream, null);

    int eventType = xpp.next();
    if (eventType != START_TAG)
        throw new XmlPullParserException(Messages.DefinitionParser_0);
    if (!xpp.getName().equals("root")) //$NON-NLS-1$
        throw new XmlPullParserException(
                Messages.DefinitionParser_2 + xpp.getName() + Messages.DefinitionParser_3);
    final DateFormat fmt = new SimpleDateFormat(Messages.DefinitionParser_DateFormat);
    Date date = fmt.parse(xpp.getAttributeValue(null, "revision-date").substring(7, 32)); //$NON-NLS-1$
    UcumModel root = new UcumModel(xpp.getAttributeValue(null, "version"), //$NON-NLS-1$
            xpp.getAttributeValue(null, "revision"), date); //$NON-NLS-1$
    xpp.next();
    while (xpp.getEventType() != END_TAG) {
        if (xpp.getEventType() == TEXT) {
            if (StringUtils.isWhitespace(xpp.getText()))
                xpp.next();
            else
                throw new XmlPullParserException(Messages.DefinitionParser_8 + xpp.getText());
        } else if (xpp.getName().equals(PREFIX.visibleName()))
            root.getPrefixes().add(parsePrefix(xpp));
        else if (xpp.getName().equals(BASEUNIT.visibleName()))
            root.getBaseUnits().add(parseBaseUnit(xpp));
        else if (xpp.getName().equals(UNIT.visibleName()))
            root.getDefinedUnits().add(parseUnit(xpp));
        else
            throw new XmlPullParserException(Messages.DefinitionParser_9 + xpp.getName());
    }
    return root;
}

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From source file:org.eclipse.uomo.ucum.parsers.DefinitionParser.java

private void skipWhitespace(XmlPullParser xpp) throws XmlPullParserException, IOException {
    while (xpp.getEventType() == TEXT && StringUtils.isWhitespace(xpp.getText()))
        xpp.next();//w ww.ja  va  2  s .  co  m
}

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From source file:org.eclipse.uomo.xml.impl.XMLReader.java

public void characters(char[] ch, int start, int length) throws SAXException {
    current().findText(ch, start, length, StringUtils.isWhitespace(new String(ch, start, length)));
}

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