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

Introduction

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

Prototype

public static boolean isEmpty(final CharSequence cs)

Source Link

Document

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

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

NOTE: This method changed in Lang version 2.0.

Usage

From source file:$.DocumentQuery.java

/**
     * ?,???//from w w w.j av  a 2 s  .c o  m
     * 
     * @param PersonId
     * @param searchName
     * @return
     */
    public static List<Document> findPersnalDocuments(long PersonId, String searchName) {
        List<Document> documents = Document.findByOneTag(UPLOADED_BY, longToString(PersonId));
        List<Document> results = new ArrayList<Document>();
        if (StringUtils.isEmpty(searchName)) {
            return documents;
        }
        for (Document document : documents) {
            if (!document.getName().contains(searchName)) {
                continue;
            }
            results.add(document);
        }
        return results;
    }

From source file:com.weibo.api.motan.util.StringTools.java

public static String urlEncode(String value) {
    if (StringUtils.isEmpty(value)) {
        return "";
    }//from   w  w w  .  ja v  a2s .c  om
    try {
        return URLEncoder.encode(value, MotanConstants.DEFAULT_CHARACTER);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:com.alacoder.lion.common.utils.StringTools.java

public static String urlEncode(String value) {
    if (StringUtils.isEmpty(value)) {
        return "";
    }// w  w  w  . ja v a  2  s .c o  m
    try {
        return URLEncoder.encode(value, LionConstants.DEFAULT_CHARACTER);
    } catch (UnsupportedEncodingException e) {
        throw new RuntimeException(e.getMessage(), e);
    }
}

From source file:io.cloudslang.content.database.services.SQLQueryLobService.java

public static boolean executeSqlQueryLob(SQLInputs sqlInputs) throws Exception {
    if (StringUtils.isEmpty(sqlInputs.getSqlCommand())) {
        throw new Exception("command input is empty.");
    }//  w  w w  .  j  a  va2s.co m
    boolean isLOB = false;
    ConnectionService connectionService = new ConnectionService();
    try (final Connection connection = connectionService.setUpConnection(sqlInputs)) {

        StringBuilder strColumns = new StringBuilder(sqlInputs.getStrColumns());

        connection.setReadOnly(true);
        Statement statement = connection.createStatement(sqlInputs.getResultSetType(),
                sqlInputs.getResultSetConcurrency());
        statement.setQueryTimeout(sqlInputs.getTimeout());

        ResultSet results = statement.executeQuery(sqlInputs.getSqlCommand());
        ResultSetMetaData mtd = results.getMetaData();
        int iNumCols = mtd.getColumnCount();
        for (int i = 1; i <= iNumCols; i++) {
            if (i > 1)
                strColumns.append(sqlInputs.getStrDelim());
            strColumns.append(mtd.getColumnLabel(i));
        }
        sqlInputs.setStrColumns(strColumns.toString());
        int nr = -1;
        while (results.next()) {
            nr++;
            final StringBuilder strRowHolder = new StringBuilder();
            for (int i = 1; i <= iNumCols; i++) {
                if (i > 1)
                    strRowHolder.append(sqlInputs.getStrDelim());
                Object columnObject = results.getObject(i);
                if (columnObject != null) {
                    String value;
                    if (columnObject instanceof java.sql.Clob) {
                        isLOB = true;
                        final File tmpFile = File.createTempFile("CLOB_" + mtd.getColumnLabel(i), ".txt");

                        copyInputStreamToFile(
                                new ReaderInputStream(results.getCharacterStream(i), StandardCharsets.UTF_8),
                                tmpFile);

                        if (sqlInputs.getLRowsFiles().size() == nr) {
                            sqlInputs.getLRowsFiles().add(nr, new ArrayList<String>());
                            sqlInputs.getLRowsNames().add(nr, new ArrayList<String>());
                        }
                        sqlInputs.getLRowsFiles().get(nr).add(tmpFile.getAbsolutePath());
                        sqlInputs.getLRowsNames().get(nr).add(mtd.getColumnLabel(i));
                        value = "(CLOB)...";

                    } else {
                        value = results.getString(i);
                        if (sqlInputs.isNetcool())
                            value = SQLUtils.processNullTerminatedString(value);
                    }
                    strRowHolder.append(value);
                } else
                    strRowHolder.append("null");
            }
            sqlInputs.getLRows().add(strRowHolder.toString());
        }
    }

    return isLOB;
}

From source file:de.micromata.genome.gwiki.page.impl.wiki.MacroAttributesUtils.java

public static Map<String, String> decode(String text) {
    Map<String, String> map = new HashMap<String, String>();
    if (StringUtils.isEmpty(text) == true)
        return map;

    text = trim(text);/*from  ww  w .  j a  v  a  2  s  . c  o  m*/

    List<String> tlist = Converter.parseStringTokens(text, "|\\=", true);
    if (tlist.size() == 0)
        return map;
    if (tlist.size() == 1) {
        map.put(MacroAttributes.DEFAULT_VALUE_KEY, tlist.get(0));
        return map;
    }
    StringBuilder sb = new StringBuilder();
    String curKey = null;
    String curValue = null;
    State state = State.ParseKey;
    for (int i = 0; i < tlist.size(); ++i) {
        String t = tlist.get(i);
        if ("\\".equals(t) == true) {
            ++i;
            t = tlist.get(i);
            sb.append(t);
            continue;
        } else if ("=".equals(t) == true) {
            if (state == State.ParseValue) {
                sb.append(t);
                continue;
            }
            curKey = sb.toString();
            sb = new StringBuilder();
            state = State.ParseValue;
        } else if ("|".equals(t) == true) {
            // if (state != State.ParseValue) {
            // //eigentlich fehler
            // throw new IllegalStateException("Parsing '|' in state: " + state);
            // }
            curValue = sb.toString();
            map.put(curKey, curValue);
            sb = new StringBuilder();
            curKey = null;
            curValue = null;
            state = State.ParseKey;
        } else {
            sb.append(t);
        }
    }
    if (curKey != null) {
        curValue = sb.toString();
        map.put(curKey, StringUtils.defaultString(curValue));
    }
    return map;
}

From source file:atg.tools.dynunit.util.PropertiesUtil.java

public static void setSystemPropertyIfEmpty(final String key, final String value) {
    logger.entry(key, value);/* w w  w .j  av a  2  s  .c om*/
    if (StringUtils.isEmpty(getSystemProperty(key))) {
        setSystemProperty(key, value);
    }
    logger.exit();
}

From source file:AIR.Common.Json.JsonHelper.java

public static <T> T deserialize(String json, Class<T> class1)
        throws JsonParseException, JsonMappingException, IOException {
    if (StringUtils.isEmpty(json))
        return null;

    ObjectMapper mapper = new ObjectMapper();

    return mapper.readValue(json, class1);

}

From source file:com.webbfontaine.valuewebb.model.validators.CurrencyRateValidator.java

public static boolean isValid(String currencyCode, Date date) {
    boolean isValid;
    if (StringUtils.isEmpty(currencyCode)) {
        isValid = true;/*from   w ww  .j a v  a  2 s . c o  m*/
    } else {
        RefSelect refSelect = (RefSelect) Component.getInstance(RefSelect.class, true);
        isValid = !refSelect.getRate(date, currencyCode).equals(Rate.EMPTY_INSTANCE);
    }
    return isValid;
}

From source file:com.github.dozermapper.core.classmap.MappingDirection.java

public static MappingDirection valueOf(String mappingDirection) {
    if (BI_DIRECTIONAL_VALUE.equals(mappingDirection)) {
        return BI_DIRECTIONAL;
    } else if (ONE_WAY_VALUE.equals(mappingDirection)) {
        return ONE_WAY;
    } else if (StringUtils.isEmpty(mappingDirection)) {
        return null;
    }/*www . j av a  2 s  .c o m*/

    throw new IllegalStateException("type should be bi-directional or one-way. " + mappingDirection);
}

From source file:com.arvato.thoroughly.exception.TmallAppException.java

private static String initErrorMessage(String code, String msg, Object body) {
    if (StringUtils.isEmpty(msg)) {
        msg = "Unknown exception, please contact the administrator.";
    }/*from   w ww  . ja  v  a 2 s  . c  o m*/
    tmallAppResponse = new TmallAppResponse(code, msg, body);
    String responseJson = CommonUtils.getGsonByBuilder(false).toJson(tmallAppResponse);
    return responseJson;
}