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:com.yahoo.bullet.parsing.Error.java

/**
 * Creates an Error object with the root cause message from the given cause if available.
 *
 * @param cause A cause if available.//from w  w w  .j  a  va 2 s .  c  o m
 *
 * @return An Error representing this cause.
 */
public static Error makeError(Throwable cause) {
    String message = ExceptionUtils.getRootCauseMessage(cause);
    message = message.isEmpty() ? GENERIC_JSON_ERROR : message;
    return Error.of(message, singletonList(GENERIC_JSON_RESOLUTION));
}

From source file:net.lyonlancer5.mcmp.kawo.modes.BookProcessor.java

public static List<Pair<String, String>> readBook(ItemStack book) {
    if (book.getTagCompound() == null) {
        return ImmutableList.of();
    }//from  w  ww  . j  a v a 2s.  com

    NBTTagList pages = book.getTagCompound().getTagList("pages", 8);

    if (pages == null || pages.tagCount() == 0) {
        return ImmutableList.of();
    }

    final List<Pair<String, String>> lines = Lists.newArrayList();
    for (int i = 0; i < pages.tagCount(); i++) {
        String[] crlf = pages.getStringTagAt(i).split("[\\r\\n]");
        for (String ln : crlf) {
            ln = ln.trim();
            if (!ln.isEmpty()) {
                if (ln.contains("=")) {
                    String[] var0 = ln.split("=", 2);
                    lines.add(Pair.of(var0[0].trim(), var0[1].trim()));
                }
            }
        }
    }
    return ImmutableList.copyOf(lines);
}

From source file:com.github.ferstl.depgraph.dependency.style.StyleKey.java

private static boolean match(String value1, String value2) {
    return value1.isEmpty() || value1.equals(value2);
}

From source file:com.yahoo.bullet.parsing.Error.java

/**
 * Creates an Error object with the original rule string and the root cause message from the given cause.
 *
 * @param cause A cause.//from w  ww .j a  v  a2  s .  c om
 * @param ruleString The original rule.
 *
 * @return An Error representing this cause.
 */
public static Error makeError(RuntimeException cause, String ruleString) {
    String message = ExceptionUtils.getRootCauseMessage(cause);
    message = message.isEmpty() ? "" : message;
    return Error.of(GENERIC_JSON_ERROR + ":\n" + ruleString + "\n" + message,
            singletonList(GENERIC_JSON_RESOLUTION));
}

From source file:Main.java

public static String removeLastPath(String path) {
    String result = path;

    if (result == null) {
        return result;
    }/*from w  w w. j a  v a2  s. com*/

    if (!result.isEmpty() && result.charAt(result.length() - 1) == '/') {
        result = result.substring(0, result.length() - 2);
    }

    if (!result.contains("/")) {
        return result;
    } else {
        return result.substring(0, result.lastIndexOf("/"));
    }

}

From source file:StringUtilities.java

/**
 * Capicalizes the first letter of a string
 * @param str the string to be capitalized
 * @return a capitalized version of {@code str}
 *///from  ww w .j a  v a  2s .c  o m
public static String capitalize(final String str) {
    if (str == null) {
        throw new IllegalArgumentException("str is null");
    }
    if (str.isEmpty()) {
        return str;
    }
    final String firstLetterUppercase = str.substring(0, 1).toUpperCase();
    final String theRest = str.substring(1);
    return firstLetterUppercase + theRest;
}

From source file:de.lbe.sandbox.springboot.jersey2.JerseyAutoConfiguration.java

private static String findPath(ApplicationPath annotation) {
    // Jersey doesn't like to be the default servlet, so map to /* as a fallback
    if (annotation == null) {
        return "/*";
    }/*from  w ww  . j  a  v  a 2s  .c  o  m*/
    String path = annotation.value();
    return ((path.isEmpty() || path.equals("/")) ? "/*" : path + "/*");
}

From source file:io.klerch.alexa.state.utils.ConversionUtils.java

/**
 * A json-string of key-value pairs is read out as a map
 * @param json json-string of key-value pairs
 * @return a map with corresponding key-value paris
 *///from   ww w  .  j av  a 2  s .  c o  m
public static Map<String, Object> mapJson(final String json) {
    final ObjectMapper mapper = new ObjectMapper();
    if (json == null || json.isEmpty()) {
        return new HashMap<>();
    }
    final TypeReference<HashMap<String, Object>> typeRef = new TypeReference<HashMap<String, Object>>() {
    };
    try {
        // read jsonString into map
        return mapper.readValue(json, typeRef);
    } catch (IOException e) {
        log.error(e);
        return new HashMap<>();
    }
}

From source file:Main.java

/**
 * Checks if is element exists by tag name.
 * @param element the element//from w  w  w.  j  a  v a 2  s  . c om
 * @param tagName the tag name
 * @return true, if is element exists by tag name
 */
public static boolean isElementExistsByTagName(final Element element, final String tagName) {

    if (element == null || tagName == null || tagName.isEmpty()) {
        return false;
    }

    // Extract all children on element
    final NodeList res = element.getChildNodes();

    for (int i = 0; i < res.getLength(); i++) {

        final Node node = res.item(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {

            final Element elem = (Element) node;

            // Check matching with tagname expected
            if (elem.getTagName().equals(tagName)) {
                return true;
            }
        }
    }

    return false;
}

From source file:com.github.stagirs.lingvo.morph.MorphStateMachine.java

private static void add(State state, String suf, RuleMapping mapping) {
    if (suf.isEmpty()) {
        state.mapping = mapping;/*  w w w  . java2s .c  o  m*/
        return;
    }
    int charCode = char2byte(suf.charAt(suf.length() - 1));
    if (state.states[charCode] == null) {
        state.states[charCode] = new State();
    }
    add(state.states[charCode], suf.substring(0, suf.length() - 1), mapping);
}