Example usage for java.lang String isEmpty

List of usage examples for java.lang String isEmpty

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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:hoot.services.utils.PostgresUtils.java

static Map<String, String> parseTags(String tagsStr) {
    Map<String, String> tagsMap = new HashMap<>();

    if ((tagsStr != null) && (!tagsStr.isEmpty())) {
        Pattern regex = Pattern.compile("(\"[^\"]*\")=>(\"(?:\\\\.|[^\"\\\\]+)*\"|[^,\"]*)");
        Matcher regexMatcher = regex.matcher(tagsStr);
        while (regexMatcher.find()) {
            String key = regexMatcher.group(1);
            key = StringUtils.removeStart(key, "\"");
            key = StringUtils.removeEnd(key, "\"");
            String val = regexMatcher.group(2);
            val = StringUtils.removeStart(val, "\"");
            val = StringUtils.removeEnd(val, "\"");
            tagsMap.put(key, val);
        }/*  w ww  . j a v  a  2 s . c  o  m*/
    }

    return tagsMap;
}

From source file:org.drugis.addis.config.controller.IndexController.java

private static String getPataviMcdaWsUri() {
    try {// w  w  w .j ava  2  s .c  om
        String uri;
        String envUri = System.getenv("ADDIS_CORE_PATAVI_MCDA_WS_URI");
        if (envUri != null && !envUri.isEmpty()) {
            uri = envUri;
        } else {
            uri = DEFAULT_PATAVI_MCDA_WS_URI;
        }
        logger.info("PATAVI_MCDA_WS_URI: " + uri);
        return uri;
    } catch (Exception e) {
        logger.error(
                "can not find env variable PATAVI_MCDA_WS_URI fallback to using DEFAULT_PATAVI_MCDA_WS_URI: "
                        + DEFAULT_PATAVI_MCDA_WS_URI);
        return DEFAULT_PATAVI_MCDA_WS_URI;
    }
}

From source file:com.claim.support.FtpUtil.java

public static void ftpCreateDirectoryTree(FTPClient client, String dirTree) throws IOException {

    boolean dirExists = true;

    //tokenize the string and attempt to change into each directory level.  If you cannot, then start creating.
    String[] directories = dirTree.split("/");
    for (String dir : directories) {
        if (!dir.isEmpty()) {
            if (dirExists) {
                dirExists = client.changeWorkingDirectory(dir);
            }//  ww w  .j  a v a  2 s . com
            if (!dirExists) {
                if (!client.makeDirectory(dir)) {
                    throw new IOException("Unable to create remote directory '" + dir + "'.  error='"
                            + client.getReplyString() + "'");
                }
                if (!client.changeWorkingDirectory(dir)) {
                    throw new IOException("Unable to change into newly created remote directory '" + dir
                            + "'.  error='" + client.getReplyString() + "'");
                }
            }
        }
    }
}

From source file:com.sap.prd.mobile.ios.mios.Forker.java

static int forkProcess(final PrintStream out, final File executionDirectory, final String... args)
        throws IOException {

    if (out == null)
        throw new IllegalArgumentException("Print stream for log handling was not provided.");

    if (args == null || args.length == 0)
        throw new IllegalArgumentException("No arguments has been provided.");

    for (final String arg : args)
        if (arg == null || arg.isEmpty())
            throw new IllegalArgumentException(
                    "Invalid argument '" + arg + "' provided with arguments '" + Arrays.asList(args) + "'.");

    final ProcessBuilder builder = new ProcessBuilder(args);

    if (executionDirectory != null)
        builder.directory(executionDirectory);

    builder.redirectErrorStream(true);//from www  .ja va  2 s. c o  m

    InputStream is = null;

    //
    // TODO: check if there is any support for forking processes in
    // maven/plexus
    //

    try {

        final Process process = builder.start();

        is = process.getInputStream();

        handleLog(is, out);

        return process.waitFor();

    } catch (InterruptedException e) {
        throw new RuntimeException(e.getClass().getName()
                + " caught during while waiting for a forked process. This exception is not expected to be caught at that time.",
                e);
    } finally {
        //
        // Exception raised during close operation below are not reported.
        // That is actually bad.
        // We do not have any logging facility here and we cannot throw the
        // exception since this would swallow any
        // other exception raised in the try block.
        // May be we should revisit that ...
        //
        IOUtils.closeQuietly(is);
    }
}

From source file:interactivespaces.workbench.project.constituent.BaseProjectConstituentBuilder.java

/**
 * Convenience function to help more easily build constituent parts.
 *
 * @param resourceElement/*from   w w  w.j  ava  2s . c  om*/
 *          input element
 * @param namespace
 *          XML namespace for property name
 * @param propertyName
 *          property name to extract
 * @param fallback
 *          fallback value to use if none supplied
 *
 * @return property value, else fallback
 */
public static String getChildTextNormalize(Element resourceElement, Namespace namespace, String propertyName,
        String fallback) {
    String value = resourceElement.getChildTextNormalize(propertyName, namespace);
    return (value == null || (value.isEmpty() && fallback != null)) ? fallback : value;
}

From source file:Main.java

private static boolean validateUserXML(Document doc) {
    NodeList nodeList = null;//from  w  w  w  . jav  a 2  s .c  o m

    // Check the elements and values exist
    nodeList = doc.getElementsByTagName("user");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that email element exists
    nodeList = doc.getElementsByTagName("username");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that value is not null or empty
    String username = getValue((Element) doc.getElementsByTagName("user").item(0), "username");
    if (username == null || username.isEmpty()) {
        return false;
    }

    // Check that email element exists
    nodeList = doc.getElementsByTagName("password");
    if (nodeList.getLength() != 1) {
        return false;
    }

    // Check that value is not null or empty
    String password = getValue((Element) doc.getElementsByTagName("user").item(0), "password");
    if (password == null || password.isEmpty()) {
        return false;
    }

    return true;
}

From source file:Main.java

/**
 * Removes invalid XML characters from the input text and then replaces XML special character <code>&</code>,
 * <code>&lt;</code>, <code>&gt;</code>, <code>"</code>, <code>'</code> with corresponding entity references.
 *
 * @param text The input that needs to be escaped. May be null.
 * @return String with the special characters replaced with entity references. May be null.
 *///www  . j  av a  2 s  . co m
public static String escapeSpecialCharacters(String text) {
    text = removeInvalidXMLChars(text);
    if (text == null || text.isEmpty()) {
        return text;
    }
    final StringBuilder sb = new StringBuilder(text.length());

    for (int i = 0; i < text.length(); i++) {
        char c = text.charAt(i);
        switch (c) {
        case '&':
            sb.append("&amp;");
            break;
        case '<':
            sb.append("&lt;");
            break;
        case '>':
            sb.append("&gt;");
            break;
        case '\"':
            sb.append("&quot;");
            break;
        case '\'':
            sb.append("&apos;");
            break;
        case '\n':
            sb.append("&#xA;");
            break;
        case '\r':
            sb.append("&#xD;");
            break;
        default:
            sb.append(c);
        }
    }
    return sb.toString();
}

From source file:com.reprezen.swagedit.validation.ValidationUtil.java

public static int getLine(JsonNode error, Node yamlTree) {
    if (!error.has("instance") || !error.get("instance").has("pointer"))
        return 1;

    String path = error.get("instance").get("pointer").asText();

    if (path == null || path.isEmpty())
        return 1;

    path = path.substring(1, path.length());
    String[] strings = path.split("/");

    if (yamlTree instanceof MappingNode) {
        MappingNode mn = (MappingNode) yamlTree;

        Node findNode = findNode(mn, Arrays.asList(strings));
        if (findNode != null) {
            return findNode.getStartMark().getLine() + 1;
        }/*from w  ww .j  av a  2  s .  co m*/
    }

    return 1;
}

From source file:dk.netarkivet.harvester.webinterface.HarvestChannelAction.java

/**
 * This method processes the request to determine which action it corresponds to and passes the request along
 * accordingly. Available actions are://from   w w  w.  ja v a  2s.c  om
 * <ul>
 * <li>create harvest channel</li>
 * <li>map harvest definition to channel</li>
 * </ul>
 *
 * @param context the original servlet context of the request.
 * @param i18n the internationalisation to be used.
 * @throws ForwardedToErrorPage if an exception is thrown while carrying out the action.
 */
public static void processRequest(PageContext context, I18n i18n) throws ForwardedToErrorPage {
    ArgumentNotValid.checkNotNull(context, "PageContext context");
    ArgumentNotValid.checkNotNull(i18n, "I18n i18n");
    log.debug("Processing request");
    HttpServletRequest request = (HttpServletRequest) context.getRequest();
    try {
        String action = request.getParameter(ACTION);
        if (action == null || action.isEmpty()) {
            return;
        }
        switch (ActionType.valueOf(action)) {
        case createHarvestChannel:
            String name = request.getParameter(CHANNEL_NAME);
            HTMLUtils.forwardOnEmptyParameter(context, CHANNEL_NAME);
            HarvestChannelDAO dao = HarvestChannelDAO.getInstance();
            dao.create(new HarvestChannel(name, false, false, request.getParameter(COMMENTS)));
            break;
        case mapHarvestToChannel:
            long harvestId = Long.parseLong(request.getParameter(HARVEST_ID));
            long channelId = Long.parseLong(request.getParameter(CHANNEL_ID));
            HarvestChannelDAO hcDao = HarvestChannelDAO.getInstance();
            HarvestDefinitionDAO hdDao = HarvestDefinitionDAO.getInstance();
            hdDao.mapToHarvestChannel(harvestId, hcDao.getById(channelId));
            break;
        default:
        }
    } catch (Throwable e) {
        HTMLUtils.forwardWithErrorMessage(context, i18n, e, "errormsg;harvest.channel.create.error");
        throw new ForwardedToErrorPage("Error in Harvest Channels", e);
    }
}