Example usage for java.lang String isEmpty

Introduction

In this page you can find the example usage for java.lang String isEmpty.

Prototype

public boolean isEmpty()

Source Link

Document

Returns true if, and only if, #length() is 0 .

Usage

From source file:hr.fer.spocc.util.BasePropertyConstants.java

protected static String buildPropertyPrefix(String... parts) {
    if (parts == null || parts.length == 0)
        throw new IllegalArgumentException("Prefix must consist of at least one part");
    if (parts.length == 1)
        return parts[0] + SEPARATOR;

    StringBuilder sb = new StringBuilder();
    for (String part : parts) {
        if (part.isEmpty())
            continue;
        sb.append(part);//from  w w  w  . ja va 2s .c  o  m
        if (!StringBuilderUtils.endsWith(sb, SEPARATOR))
            sb.append(SEPARATOR);
    }
    if (!StringBuilderUtils.endsWith(sb, SEPARATOR))
        sb.append(SEPARATOR);

    return sb.toString();
}

From source file:Main.java

public static boolean isInputEmpty(String stringToCheck) {
    stringToCheck = stringToCheck.replaceAll(" ", "");
    stringToCheck = stringToCheck.replaceAll("\n", "");
    return stringToCheck.isEmpty();
}

From source file:Main.java

private static Vector<String> getTag(String source, String tag) {
    Vector<String> sTag = new Vector<String>();
    if (source == null || source.isEmpty() || tag == null || tag.isEmpty())
        return sTag;

    String subString, sTemp;/*  www . j a  v a  2s  .  com*/
    int start, end;

    subString = source;
    sTemp = "<" + tag;
    start = subString.indexOf(sTemp);
    while (start >= 0) {
        subString = subString.substring(start);
        sTemp = "</" + tag + ">";
        end = subString.indexOf(sTemp);
        if (end < 0)
            break;

        end += sTemp.length();
        sTag.add(subString.substring(0, end));

        subString = subString.substring(end);
        sTemp = "<" + tag;
        start = subString.indexOf(sTemp);
    }
    return sTag;
}

From source file:com.evolveum.midpoint.common.policy.StringPolicyUtils.java

/**
 * Convert string to array // w w w  .  j ava2s  .co  m
 * @param in
 * @return ArrayList
 */
public static ArrayList<String> stringTokenizer(String in) {
    ArrayList<String> l = new ArrayList<String>();
    for (String a : in.split("")) {
        if (!a.isEmpty()) {
            l.add(a);
        }
    }
    return l;
}

From source file:Main.java

public static boolean containsOnly(String stringToMatch, String... candidates) {
    String left = stringToMatch;
    for (final String candidate : candidates) {
        left = left.replace(candidate, "");
    }//from  w w w. j  a v a2  s  .  c o  m
    return left.isEmpty();
}

From source file:org.wso2.carbon.dynamic.client.web.proxy.util.DCRProxyUtils.java

private static String getHostName(String host) {
    if (host != null && !host.isEmpty()) {
        if (host.contains("https://")) {
            return host.replace("https://", "");
        }/*w  w  w .  j  a  v  a 2  s.c o  m*/
    } else {
        throw new IllegalArgumentException("Remote Host parameter must defined in Authenticators.xml.");
    }
    return null;
}

From source file:cz.cas.lib.proarc.common.config.Catalogs.java

private static boolean isValidProperty(String prefix, String name, String value) {
    if (value == null || value.isEmpty()) {
        LOG.log(Level.WARNING, "Missing {0}.{1} property!", new Object[] { prefix, name });
        return false;
    }//from   ww w. ja v  a 2 s  .  c  o m
    return true;
}

From source file:it.crs4.seal.common.Utils.java

/**
 * Substitute any characters to be avoided in a file name with '_'.
 */// ww w  .  j a  v  a2s. c  o m
public static String sanitizeFilename(String name) {
    if (name.isEmpty())
        throw new IllegalArgumentException("Empty file name!");
    // replace all non-word characters (a word character is: [a-zA-Z_0-9]) except '.' and '-'
    return name.replaceAll("[\\W&&[^.-]]", "_");
}

From source file:de.qaware.cloud.deployer.commons.config.util.FileUtil.java

/**
 * Reads the content of the file with the specified filename into a string.
 *
 * @param filename The name of the file whose content will be returned.
 * @return The content of the file.//w  w  w  .j  a  v  a 2s .com
 * @throws ResourceConfigException If a problem with the file occurs.
 */
public static String readFileContent(String filename) throws ResourceConfigException {
    if (filename == null || filename.isEmpty()) {
        throw new ResourceConfigException(
                COMMONS_MESSAGE_BUNDLE.getMessage("DEPLOYER_COMMONS_ERROR_INVALID_FILENAME"));
    }
    URL filepath = FileUtil.class.getResource(filename);
    if (filepath == null) {
        throw new ResourceConfigException(
                COMMONS_MESSAGE_BUNDLE.getMessage("DEPLOYER_COMMONS_ERROR_MISSING_FILE", filename));
    }
    File file = new File(filepath.getPath());
    return readFileContent(file);
}

From source file:com.anhth12.lambda.common.text.TextUtils.java

public static String[] parsePMMLDelimited(String delimited) {
    // Although you'd think ignoreSurroundingSpaces helps here, won't work with space
    // delimiter. So manually trim below.
    String[] rawResult = doParseDelimited(delimited, formatForDelimiter(' '));
    List<String> resultList = new ArrayList<>();
    for (String raw : rawResult) {
        if (!raw.isEmpty()) {
            resultList.add(raw);//from  w w w .  j a  va2 s  . c o m
        }
    }
    return resultList.toArray(new String[resultList.size()]);

}