Example usage for org.apache.commons.lang3 StringUtils trimToNull

Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils trimToNull.

Prototype

public static String trimToNull(final 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:org.openestate.io.immobiliare_it.ImmobiliareItDocument.java

@Override
public ImmobiliareItVersion getDocumentVersion() {
    String version;//  www .ja va2 s.  c om
    try {
        Document doc = this.getDocument();
        version = StringUtils
                .trimToNull(XmlUtils.newXPath("/io:feed/io:version/text()", doc).stringValueOf(doc));
        if (version == null) {
            LOGGER.warn("Can't find version informations in the XML document!");
            //System.out.println( "----------------------------" );
            //try
            //{
            //  DocumentUtils.write( doc, System.out );
            //}
            //catch (Exception ex)
            //{
            //  LOGGER.error( "Can't write XML document!" );
            //  LOGGER.error( "> " + ex.getLocalizedMessage(), ex );
            //}
            //System.out.println( "----------------------------" );
            return null;
        }
    } catch (JaxenException ex) {
        LOGGER.error("Can't evaluate XPath expression!");
        LOGGER.error("> " + ex.getLocalizedMessage(), ex);
        return null;
    }

    ImmobiliareItVersion v = ImmobiliareItVersion.detectFromString(version);
    if (v != null)
        return v;

    LOGGER.warn("The provided version (" + version + ") is not supported!");
    return null;
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static Category parseCategory(String value) {
    value = StringUtils.trimToNull(value);
    if (value == null)
        return null;

    Category cat = Category.fromXmlValue(value);
    if (cat == null)
        throw new IllegalArgumentException("Can't parse category value '" + value + "'!");

    return cat;// w ww . j ava  2 s .co  m
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static Currency parseCurrency(String value) {
    value = StringUtils.trimToNull(value);
    if (value == null)
        return null;
    try {/*from w  w w  .  j a v a 2 s  .  com*/
        if (value.trim().length() != 3)
            throw new Exception("Currency code must contain of 3 characters.");

        return Currency.getInstance(value.trim().toUpperCase());
    } catch (Exception ex) {
        throw new IllegalArgumentException("Can't parse currency value '" + value + "'!", ex);
    }
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static String parseEmailType(String value) {
    //value = StringUtils.trimToNull( value );
    //if (value==null)
    //  return null;
    //else if (value.matches( "[^@]+@[^\\.]+\\..+" ))
    //  return value;
    //else/*w  w  w .j  a va  2 s  .co m*/
    //  throw new IllegalArgumentException( "Can't parse e-mail value '" + value + "'!" );
    return StringUtils.trimToNull(value);
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static EnergyUnit parseEnergyUnit(String value) {
    value = StringUtils.trimToNull(value);
    if (value == null)
        return null;

    EnergyUnit unit = EnergyUnit.fromXmlValue(value);
    if (unit == null)
        throw new IllegalArgumentException("Can't parse energy-unit value '" + value + "'!");

    return unit;/*ww w .  j a  va2s . c  o  m*/
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static BigInteger parseInteger(String value) {
    value = StringUtils.trimToNull(value);
    return (value != null) ? DatatypeConverter.parseInteger(value) : null;
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static LandSizeUnit parseLandSizeUnit(String value) {
    value = StringUtils.trimToNull(value);
    if (value == null)
        return null;

    LandSizeUnit unit = LandSizeUnit.fromXmlValue(value);
    if (unit == null)
        throw new IllegalArgumentException("Can't parse land-size-unit value '" + value + "'!");

    return unit;//  w  w w.j  a v  a 2s  .c o  m
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static BigDecimal parseLatitude(String value) {
    value = StringUtils.trimToNull(value);
    return (value != null) ? DatatypeConverter.parseDecimal(value) : null;
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static BigDecimal parseLongitude(String value) {
    value = StringUtils.trimToNull(value);
    return (value != null) ? DatatypeConverter.parseDecimal(value) : null;
}

From source file:org.openestate.io.immobiliare_it.ImmobiliareItUtils.java

public static Integer parseRooms(String value) {
    value = StringUtils.trimToNull(value);
    return (value != null) ? DatatypeConverter.parseInt(value) : null;
}