Example usage for org.springframework.util StringUtils hasText

Introduction

In this page you can find the example usage for org.springframework.util StringUtils hasText.

Prototype

public static boolean hasText(@Nullable String str) 

Source Link

Document

Check whether the given String contains actual text.

Usage

From source file:com.seajas.search.utilities.web.WebResourceLocators.java

/**
 * Gets a resource locator.//  w  ww .  j a v a  2s .c o  m
 * 
 * @param uri
 * @throws URISyntaxException
 */
public static URI parseURI(String uri) throws URISyntaxException {
    if (!StringUtils.hasText(uri))
        throw new URISyntaxException("", "No content");
    uri = uri.trim();

    // Escape illegal characters

    for (int i = 0; i < uri.length(); ++i) {
        char c = uri.charAt(i);
        if (ASCII_ESCAPE_SET.indexOf(c) >= 0)
            uri = String.format("%s%%%02X%s", uri.substring(0, i), c & 0xFF, uri.substring(i + 1));
    }

    // Parse XML entities

    for (int start = uri.indexOf('&'); start >= 0; start = uri.indexOf('&', start + 1)) {
        int end = uri.indexOf(';', start);
        if (end < 0)
            break;
        String entity = uri.substring(start + 1, end);

        String replacement = null;
        if (entity.startsWith("#")) {
            try {
                int codepoint = entity.startsWith("#x") ? Integer.parseInt(entity.substring(2), 16)
                        : Integer.parseInt(entity.substring(1));
                if (codepoint <= 0xFF)
                    replacement = String.format("%%%02X", codepoint);
                else
                    replacement = new String(Character.toChars(codepoint));
            } catch (Exception e) {
                logger.trace("Unparseable numeric entity.", e);
            }
        } else {
            replacement = xmlEntityPercentEscapes.get(entity);
        }

        if (replacement != null) {
            if (logger.isDebugEnabled())
                logger.debug(String.format("Replaced entity %s with %s for %s", entity, replacement, uri));
            uri = uri.substring(0, start) + replacement + uri.substring(end + 1);
        } else if (logger.isDebugEnabled()) {
            logger.debug(String.format("Skiped entity %s for %s", entity, uri));
        }
    }

    // Multiple fragments

    while (uri.indexOf('#') != uri.lastIndexOf('#')) {
        int i = uri.lastIndexOf('#');

        // Escape last hash mark

        uri = uri.substring(0, i) + "%23" + uri.substring(i + 1);
    }

    return new URI(uri).normalize();
}

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From source file:org.terasoluna.gfw.web.util.JspTagUtils.java

/**
 * Convert to the Boolean value.// w  ww .  j av a  2  s  .c  om
 * @param attributeValue string value of attribute
 * @param defaultValue If attribute value is not text(null or blank or whitespace only), apply this value.
 * @param attributeName attribute name (If attribute value is not true or false, sets in exception message)
 * @return converted Boolean value
 * @throws JspTagException If value that is not true or false is specified.
 */
public static boolean toBoolean(String attributeValue, boolean defaultValue, String attributeName)
        throws JspTagException {
    if (StringUtils.hasText(attributeValue)) {
        if ("true".equalsIgnoreCase(attributeValue) || "false".equalsIgnoreCase(attributeValue)) {
            return Boolean.parseBoolean(attributeValue);
        } else {
            throw new JspTagException("The value of " + attributeName + " must be either true or false.");
        }
    }
    return defaultValue;
}

---

From source file:com.ge.predix.uaa.token.lib.JsonUtils.java

public static <T> T readValue(final String s, final Class<T> clazz) throws JsonUtilException {
    try {/*from  w ww.  j  a va  2 s .  c  o  m*/
        if (StringUtils.hasText(s)) {
            return objectMapper.readValue(s, clazz);
        } else {
            return null;
        }
    } catch (IOException e) {
        throw new JsonUtilException(e);
    }
}

---

From source file:fr.mby.saml2.sp.api.core.SamlBindingEnum.java

/**
 * Load the enum from a bidning URI./*w w  w .  j ava2 s  . c o  m*/
 * 
 * @param samlUri the binding URI
 * @return the matching enum
 */
public static SamlBindingEnum fromSamlUri(final String samlUri) {
    SamlBindingEnum result = null;

    if (StringUtils.hasText(samlUri)) {
        for (SamlBindingEnum val : SamlBindingEnum.values()) {
            if (samlUri.equals(val.getUri())) {
                result = val;
            }
        }
    }

    return result;
}

---

From source file:io.pivotal.gemfire.main.GemFireServerApplication.java

static String systemProperty(String propertyName, String defaultValue) {
    String propertyValue = System.getProperty(propertyName);
    return (StringUtils.hasText(propertyValue) ? propertyValue : defaultValue);
}

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From source file:org.openmrs.module.fbregistrationapp.converter.StringToPersonAddressConverter.java

@Override
public PersonAddress convert(String uuid) {
    if (StringUtils.hasText(uuid))
        return Context.getPersonService().getPersonAddressByUuid(uuid);

    return null;//from w w  w .  j a va2 s  .  c  o m
}

---

From source file:io.pivotal.spring.xd.jdbcgpfdist.support.SqlUtils.java

public static String createExternalReadableTable(LoadConfiguration config, String prefix,
        List<String> overrideLocations) {

    // TODO: this function needs a cleanup
    StringBuilder buf = new StringBuilder();

    // unique table name

    String name = quotesEscape(config.getTable() + "_ext_" + prefix);
    buf.append("CREATE READABLE EXTERNAL TABLE ");
    buf.append(name);//  ww  w .  j av  a 2s .  c  o  m
    buf.append(" ( ");

    // column types or like
    ReadableTable externalTable = config.getExternalTable();
    if (externalTable.getLike() != null) {
        buf.append("LIKE ");
        buf.append(quotesEscape(config.getTable()));
    } else if (StringUtils.hasText(externalTable.getColumns())) {
        buf.append(externalTable.getColumns());
    } else {
        buf.append("LIKE ");
        buf.append(quotesEscape(config.getTable()));
    }
    buf.append(" ) ");

    // locations
    buf.append("LOCATION (");
    if (overrideLocations != null && !overrideLocations.isEmpty()) {
        buf.append(createLocationString(overrideLocations.toArray(new String[0])));
    } else {
        buf.append(createLocationString(externalTable.getLocations().toArray(new String[0])));
    }
    buf.append(") ");

    // format type
    if (externalTable.getFormat() == Format.TEXT) {
        buf.append("FORMAT 'TEXT'");
    } else {
        buf.append("FORMAT 'CSV'");
    }

    // format parameters
    buf.append(" ( ");
    buf.append("DELIMITER '");
    if (externalTable.getDelimiter() != null) {
        buf.append(unicodeEscaped(externalTable.getDelimiter().charValue()));
    } else {
        buf.append("|");
    }
    buf.append("'");

    if (externalTable.getNullString() != null) {
        buf.append(" NULL '");
        buf.append(externalTable.getNullString());
        buf.append("'");
    }

    if (externalTable.getEscape() != null) {
        buf.append(" ESCAPE '");
        buf.append(externalTable.getEscape());
        buf.append("'");
    }

    if (externalTable.getQuote() != null) {
        buf.append(" QUOTE '");
        buf.append(externalTable.getQuote());
        buf.append("'");
    }

    if (externalTable.getForceQuote() != null) {
        buf.append(" FORCE QUOTE ");
        buf.append(StringUtils.arrayToCommaDelimitedString(externalTable.getForceQuote()));
    }

    if (externalTable.isFormatHeader()) {
        buf.append(" HEADER ");
    }

    buf.append(" )");

    if (externalTable.getEncoding() != null) {
        buf.append(" ENCODING '");
        buf.append(externalTable.getEncoding());
        buf.append("'");
    }

    if (externalTable.getSegmentRejectLimit() != null) {
        if (externalTable.getLogErrorsInto() != null) {
            buf.append(" LOG ERRORS INTO ");
            buf.append(externalTable.getLogErrorsInto());
        }
        buf.append(" SEGMENT REJECT LIMIT ");
        buf.append(externalTable.getSegmentRejectLimit());
        buf.append(" ");

    }

    return buf.toString();
}

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From source file:org.kmnet.com.fw.web.util.JspTagUtils.java

/**
 * Convert to the Boolean value./* www  . j  ava2  s . co  m*/
 * @param attributeValue string value of attribute
 * @param defaultValue If attribute value is not text(null or blank or whitespace only), apply this value.
 * @param attributeName attribute name (If attribute value is not true or false, sets in exception message)
 * @return converted Boolean value
 * @throws JspTagException If value that is not true or false is specified.
 */
public static boolean toBoolean(String attributeValue, boolean defaultValue, String attributeName)
        throws JspTagException {
    if (StringUtils.hasText(attributeValue)) {
        if (attributeValue.equalsIgnoreCase("true") || attributeValue.equalsIgnoreCase("false")) {
            return Boolean.parseBoolean(attributeValue);
        } else {
            throw new JspTagException("The value of " + attributeName + " must be either true or false.");
        }
    }
    return defaultValue;
}

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From source file:spring.osgi.utils.OsgiHeaderUtils.java

private static String[] getHeaderAsTrimmedStringArray(Bundle bundle, String header) {
    if (bundle == null || !StringUtils.hasText(header))
        return new String[0];

    String headerContent = bundle.getHeaders().get(header);
    String[] entries = StringUtils.commaDelimitedListToStringArray(headerContent);
    for (int i = 0; i < entries.length; i++) {
        entries[i] = entries[i].trim();//from  w ww. j a  v  a2 s  .c  o  m
    }

    return entries;
}

---

From source file:org.zilverline.util.Utils.java

/**
 * Does an 'ELF-proof' on given ISBN number.
 * /*from   w w  w  . ja v a 2  s  .c  o m*/
 * @param ISBNnumber the givenNumber
 * 
 * @return true if so
 */
public static boolean isValidISBNNumber(final String ISBNnumber) {
    // check whether this is a valid ISBN number: see http://www.isbn-international.org/en/userman/chapter4.html
    if (!StringUtils.hasText(ISBNnumber)) {
        log.debug("invalid ISBN: " + ISBNnumber);
        return false;
    }
    // remove all non-valid ISBN characters (0-9xX and - seem valid) and the -
    String number = ISBNnumber.replaceAll("[^0-9xX]", "");
    if (number.length() != 10) {
        log.debug("invalid ISBN: " + number);
        return false;
    }
    char checkDigit = number.charAt(9);
    int checkInt;
    if (checkDigit == 'X') {
        checkInt = 10;
    } else {
        checkInt = Integer.parseInt("" + checkDigit);
    }
    String ISBNnumberPrefix = number.substring(0, 9);

    // elf proof
    int total = checkInt;
    for (int i = 0; i < 9; i++) {
        int k = Integer.parseInt("" + ISBNnumberPrefix.charAt(i));
        total += (10 - i) * k;
    }
    if ((total % 11) != 0) {
        log.debug("invalid ISBN, not ELF proof: " + number);
        return false;
    }
    log.debug("valid ISBN: " + number);

    return true;
}

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