Example usage for org.apache.commons.lang3 StringUtils isBlank

Introduction

In this page you can find the example usage for org.apache.commons.lang3 StringUtils isBlank.

Prototype

public static boolean isBlank(final CharSequence cs)

Source Link

Document

Checks if a CharSequence is whitespace, empty ("") or null.

 StringUtils.isBlank(null)      = true StringUtils.isBlank("")        = true StringUtils.isBlank(" ")       = true StringUtils.isBlank("bob")     = false StringUtils.isBlank("  bob  ") = false

Usage

From source file:controllers.api.v1.Flow.java

public static Result getPagedRootProjects() {
    ObjectNode result = Json.newObject();
    int page = 1;
    String pageStr = request().getQueryString("page");
    if (StringUtils.isBlank(pageStr)) {
        page = 1;//from   w  ww. ja va2  s .  co m
    } else {
        try {
            page = Integer.parseInt(pageStr);
        } catch (NumberFormatException e) {
            Logger.error("Flow Controller getPagedRootProjects wrong page parameter. Error message: "
                    + e.getMessage());
            page = 1;
        }
    }

    int size = 10;
    String sizeStr = request().getQueryString("size");
    if (StringUtils.isBlank(sizeStr)) {
        size = 10;
    } else {
        try {
            size = Integer.parseInt(sizeStr);
        } catch (NumberFormatException e) {
            Logger.error("Flow Controller getPagedRootProjects wrong size parameter. Error message: "
                    + e.getMessage());
            size = 10;
        }
    }

    result.put("status", "ok");
    result.set("data", FlowsDAO.getPagedProjects(page, size));
    return ok(result);
}

From source file:io.github.swagger2markup.internal.utils.MarkupDocBuilderUtils.java

public static String literalText(MarkupDocBuilder markupDocBuilder, String text) {
    if (StringUtils.isBlank(text)) {
        return StringUtils.EMPTY;
    }/*w w  w. j  a v a  2  s.  c o  m*/
    return copyMarkupDocBuilder(markupDocBuilder).literalText(text).toString();
}

From source file:com.mirth.connect.server.util.ConnectorUtil.java

public static ConnectionTestResponse testConnection(String host, int port, int timeout, String localAddr,
        int localPort) throws Exception {
    Socket socket = null;/* w  ww.  ja v  a2 s. co  m*/
    InetSocketAddress address = null;
    InetSocketAddress localAddress = null;

    try {
        address = new InetSocketAddress(host, port);

        if (StringUtils.isBlank(address.getAddress().getHostAddress()) || (address.getPort() < 0)
                || (address.getPort() > 65534)) {
            throw new Exception();
        }
    } catch (Exception e) {
        return new ConnectionTestResponse(ConnectionTestResponse.Type.FAILURE, "Invalid host or port.");
    }

    if (localAddr != null) {
        try {
            localAddress = new InetSocketAddress(localAddr, localPort);

            if (StringUtils.isBlank(localAddress.getAddress().getHostAddress()) || (localAddress.getPort() < 0)
                    || (localAddress.getPort() > 65534)) {
                throw new Exception();
            }
        } catch (Exception e) {
            return new ConnectionTestResponse(ConnectionTestResponse.Type.FAILURE,
                    "Invalid local host or port.");
        }
    }

    try {
        socket = new Socket();

        if (localAddress != null) {
            try {
                socket.bind(localAddress);
            } catch (Exception e) {
                return new ConnectionTestResponse(ConnectionTestResponse.Type.FAILURE,
                        "Could not bind to local address: " + localAddress.getAddress().getHostAddress() + ":"
                                + localAddress.getPort());
            }
        }

        socket.connect(address, timeout);
        String connectionInfo = socket.getLocalAddress().getHostAddress() + ":" + socket.getLocalPort() + " -> "
                + address.getAddress().getHostAddress() + ":" + address.getPort();
        return new ConnectionTestResponse(ConnectionTestResponse.Type.SUCCESS,
                "Successfully connected to host: " + connectionInfo, connectionInfo);
    } catch (SocketTimeoutException ste) {
        return new ConnectionTestResponse(ConnectionTestResponse.Type.TIME_OUT, "Timed out connecting to host: "
                + address.getAddress().getHostAddress() + ":" + address.getPort());
    } catch (Exception e) {
        return new ConnectionTestResponse(ConnectionTestResponse.Type.FAILURE, "Could not connect to host: "
                + address.getAddress().getHostAddress() + ":" + address.getPort());
    } finally {
        if (socket != null) {
            socket.close();
        }
    }
}

From source file:com.mycompany.listBoxer.dto.RangeType.java

public static RangeType fromKey(String rangeTypeKey) {
    RangeType[] enums = RangeType.values();

    for (RangeType item : enums) {
        if (StringUtils.isBlank(rangeTypeKey) && item.getKey().equals(rangeTypeKey)) {
            return item;
        }/* w  w w . j a  va 2 s  .  c om*/
    }

    throw new IllegalArgumentException(String.format("Unknown cssClassName %s", RangeType.class));
}

From source file:aiai.ai.utils.EnvProperty.java

public static int minMax(String prop, int min, int max, Integer defForBlank) {
    if (StringUtils.isBlank(prop)) {
        if (defForBlank == null) {
            throw new IllegalStateException("prop and defForBlank both are null");
        }/*from w  ww .  java  2 s.c o  m*/
        if (defForBlank > max || defForBlank < min) {
            throw new IllegalStateException(
                    "misconfiguration: min: " + min + ", max: " + max + ", def: " + defForBlank);
        }
        return defForBlank;
    }
    int i = Integer.parseInt(prop);
    if (i >= min && i <= max) {
        return i;
    } else if (i < min) {
        return min;
    }
    return max;
}

From source file:ch.citux.td.util.Log.java

public static void d(Object caller, String message) {
    String tag = caller.getClass().getSimpleName();
    if (!StringUtils.isBlank(message)) {
        android.util.Log.d(tag, message);
    }/*from w  w w . ja va  2s .c  om*/
}

From source file:com.netflix.imfutility.itunes.locale.LocaleValidator.java

public static void validateLocale(String str) throws LocaleValidationException {
    if (StringUtils.isBlank(str)) {
        throw new LocaleValidationException("Locale must be set.");
    }/*  w w  w.jav a 2s  .  c  o  m*/

    try {
        Locale locale = LocaleHelper.fromITunesLocale(str);

        if (!LocaleUtils.availableLocaleList().contains(locale)) {
            throw new LocaleValidationException(String.format("Locale %s is unavailable.", str));
        }
    } catch (IllegalArgumentException e) {
        throw new LocaleValidationException("Locale validation failed.", e);
    }
}

From source file:com.dtstack.jlogstash.utils.Package.java

public static String getRealClassName(String name, String key) {
    if (StringUtils.isBlank(name))
        return null;
    if (name.indexOf(point) >= 0)
        return name;
    return SystemProperty.getSystemProperty(key) + point + name;
}

From source file:de.micromata.genome.gwiki.utils.ScriptUtils.java

public static Object executeScriptCode(String code, Map<String, Object> vars) {
    if (StringUtils.isBlank(code) == true) {
        return null;
    }/*from w ww .j  a va 2 s.  c o m*/
    GroovyClassLoader loader = new GroovyClassLoader(Thread.currentThread().getContextClassLoader());
    Binding binding = new Binding(vars);
    GroovyShell shell = new GroovyShell(loader, binding);
    return shell.evaluate(code);
}

From source file:controllers.api.v1.Metric.java

public static Result getPagedMetrics() {

    ObjectNode result = Json.newObject();
    String username = session("user");

    int page = 1;
    String pageStr = request().getQueryString("page");
    if (StringUtils.isBlank(pageStr)) {
        page = 1;/*from  w  w w .  ja  va  2 s .c o m*/
    } else {
        try {
            page = Integer.parseInt(pageStr);
        } catch (NumberFormatException e) {
            Logger.warn(
                    "Metric Controller getPagedMetrics wrong page parameter. Error message: " + e.getMessage());
            page = 1;
        }
    }

    int size = 10;
    String sizeStr = request().getQueryString("size");
    if (StringUtils.isBlank(sizeStr)) {
        size = 10;
    } else {
        try {
            size = Integer.parseInt(sizeStr);
        } catch (NumberFormatException e) {
            Logger.warn(
                    "Metric Controller getPagedMetrics wrong size parameter. Error message: " + e.getMessage());
            size = 10;
        }
    }

    result.put("status", "ok");
    result.set("data", MetricsDAO.getPagedMetrics("", "", page, size, username));
    return ok(result);
}