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.ibm.watson.app.qaclassifier.ScanLogs.java

private static String getRequiredProperty(String propertyName) {
    String value = System.getProperty(propertyName);
    if (value == null || value.isEmpty()) {
        throw new IllegalArgumentException(propertyName + " is a required property");
    }/*  ww  w  . ja va 2 s  .  c o m*/
    return value;
}

From source file:at.treedb.util.Execute.java

public static ExecResult execute(String command, String[] param, Map<String, File> map) {
    DefaultExecutor executor = new DefaultExecutor();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    CommandLine cmdLine = null;//from ww w  . j  a va 2s. co  m
    int exitValue = 0;
    try {
        PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
        cmdLine = new CommandLine(command);
        if (param != null) {
            for (String s : param) {
                s = s.trim();
                if (s.isEmpty()) {
                    continue;
                }
                cmdLine.addArgument(s);
            }
        }
        cmdLine.setSubstitutionMap(map);
        executor.setStreamHandler(streamHandler);
        exitValue = executor.execute(cmdLine);

        return new ExecResult(exitValue, outputStream.toString(), null);
    } catch (Exception e) {
        return new ExecResult(-1, outputStream.toString(), e);
    }

}

From source file:com.flipkart.poseidon.handlers.http.utils.StringUtils.java

/**
 * Returns false if given string in null or empty
 *///from w w w  .  jav  a  2s  . co m
public static boolean isNullOrEmpty(String string) {
    if (string != null) {
        return string.isEmpty();
    }
    return true;
}

From source file:com.hazelcast.qasonar.listpullrequests.ListPullRequests.java

private static String getDefaultModule(String defaultModule) {
    if (defaultModule == null || defaultModule.isEmpty()) {
        return "";
    }//from   w  w w .j av  a  2s.  c o m
    return " --defaultModule " + defaultModule;
}

From source file:net.rptools.tokentool.util.FileSaveUtil.java

public static boolean makeDir(String dirName, File destDir) {
    if (dirName.isEmpty())
        return false;

    File newDir;//from ww  w  .  j  a va2 s  .  c  o m
    newDir = new File(destDir, dirName);
    if (newDir.mkdir()) {
        log.info("Created directory: " + newDir.getAbsolutePath());
        return true;
    } else {
        log.error("Could not create directory: " + newDir.getAbsolutePath());
    }

    return false;
}

From source file:Main.java

public static String createDialNumber(String bridge, String host, String code) {

    String dialString = "tel:";
    dialString = dialString + bridge + Uri.parse(",") + Uri.parse(",");
    if (host != null && !host.isEmpty()) {
        dialString = dialString + host + Uri.parse("#");
    }/*  w w w. j  av  a2s  . c om*/
    if (code != null && !code.isEmpty()) {
        dialString = dialString + Uri.parse(",") + code + Uri.parse("#");
    }
    return dialString;
}

From source file:Main.java

private static Map<String, String> getAttributes(String xml) {
    String s = xml.substring(xml.indexOf("<") + 1, xml.indexOf(">"));
    String[] ss = s.split(" ");
    if (ss.length == 1) {
        return null;
    }/*from   w w  w .j  a va  2s .  c om*/
    Map<String, String> m = new HashMap<>();
    for (int i = 1; i < ss.length; i++) {
        String s0 = ss[i].trim();
        if (!s0.isEmpty()) {
            m.put(s0.split("=")[0], delQuot(s0.split("=")[1]));
        }
    }
    return m;
}

From source file:com.tilab.ca.sse.core.util.SSEUtils.java

public static boolean hasContent(String string) {
    return string != null && !string.isEmpty();
}

From source file:de.tudarmstadt.ukp.experiments.dip.wp1.documents.helpers.boilerplateremoval.impl.Utils.java

/**
 * Returns `True` if string contains only white-space characters or is
 * empty. Otherwise `False` is returned.
 *
 * @param text// w w  w .j  ava  2  s  . c om
 * @return
 */
// TODO remove
public static boolean is_blank(String text) {

    return (text.isEmpty() || text.matches("\\s+"));
}

From source file:org.alfresco.utils.HttpUtil.java

/**
 * Populate HTTP message call with given content.
 * /*from  w  w  w  .ja va  2s. c  om*/
 * @param content String content
 * @return {@link StringEntity} content.
 * @throws UnsupportedEncodingException if unsupported
 */
public static StringEntity setMessageBody(final String content) throws UnsupportedEncodingException {
    if (content == null || content.isEmpty()) {
        throw new IllegalArgumentException("Content is required.");
    }
    return new StringEntity(content, UTF_8_ENCODING);
}