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:de.mirkosertic.easydav.index.QueryParser.java

private void addSubQuery(BooleanQuery aQuery, String aTerm, boolean aNegated, String aSearchField) {
    if (!StringUtils.isEmpty(aTerm)) {
        if (!aTerm.contains("*")) {
            if (aTerm.contains(" ")) {
                PhraseQuery thePhraseQuery = new PhraseQuery();
                for (StringTokenizer theTokenizer = new StringTokenizer(aTerm, " "); theTokenizer
                        .hasMoreTokens();) {
                    String theToken = theTokenizer.nextToken();
                    thePhraseQuery.add(new Term(aSearchField, theToken));
                }//from  w w w . ja  v  a 2s .c  o m
                thePhraseQuery.setSlop(1);
                if (aNegated) {
                    aQuery.add(thePhraseQuery, BooleanClause.Occur.MUST_NOT);
                } else {
                    aQuery.add(thePhraseQuery, BooleanClause.Occur.MUST);
                }
            } else {
                Query theQuery;
                if (!aTerm.endsWith("~")) {
                    theQuery = new TermQuery(new Term(aSearchField, aTerm));
                } else {
                    theQuery = new FuzzyQuery(new Term(aSearchField, aTerm.substring(0, aTerm.length() - 1)));
                }
                if (aNegated) {
                    aQuery.add(theQuery, BooleanClause.Occur.MUST_NOT);
                } else {
                    aQuery.add(theQuery, BooleanClause.Occur.MUST);
                }
            }
        } else {
            WildcardQuery theWildcardQuery = new WildcardQuery(new Term(aSearchField, aTerm));
            if (aNegated) {
                aQuery.add(theWildcardQuery, BooleanClause.Occur.MUST_NOT);
            } else {
                aQuery.add(theWildcardQuery, BooleanClause.Occur.MUST);
            }
        }
    }
}

From source file:io.druid.security.basic.authentication.entity.BasicAuthenticatorCredentialUpdate.java

@JsonCreator
public BasicAuthenticatorCredentialUpdate(@JsonProperty("password") String password,
        @JsonProperty("iterations") Integer iterations) {
    Preconditions.checkNotNull(password, "Cannot assign null password.");
    Preconditions.checkArgument(!StringUtils.isEmpty(password), "Cannot assign empty password.");
    this.password = password;
    this.iterations = iterations == null ? -1 : iterations;
}

From source file:com.envisioncn.it.super_sonic.showcase.support.LoginInterceptor.java

@Override
public boolean preHandle(HttpServletRequest req, HttpServletResponse res, Object handler) throws Exception {
    String uri = req.getRequestURI();
    if (!uri.startsWith("/resources/") && !uri.startsWith("/icon/") && !uri.startsWith("/pre_login")
            && !uri.startsWith("/login")) {
        HttpSession session = req.getSession();
        String user = SessionUtil.getUser(session);
        if (StringUtils.isEmpty(user)) {
            res.sendRedirect("/pre_login");
            return false;
        }/*w  w w.  j  a v  a  2 s  .  co m*/
    }
    return true;

}

From source file:com.opendesign.vo.AlarmVO.java

/**
 *  ? ?
 * 
 * @return
 */
public boolean isNew() {
    return StringUtils.isEmpty(confirmTime);
}

From source file:io.apiman.gateway.engine.ispn.AbstractInfinispanComponent.java

/**
 * Constructor./* w  w w .  java  2 s  .com*/
 * @param config the config
 */
public AbstractInfinispanComponent(Map<String, String> config, String defaultCacheContainer,
        String defaultCache) {
    cacheContainer = config.get("cache.container"); //$NON-NLS-1$
    cacheName = config.get("cache.name"); //$NON-NLS-1$

    if (StringUtils.isEmpty(cacheContainer)) {
        cacheContainer = defaultCacheContainer;
    }
    if (StringUtils.isEmpty(cacheName)) {
        cacheName = defaultCache;
    }
}

From source file:com.willwinder.universalgcodesender.gcode.util.GcodeParserUtils.java

/**
 * Common logic in processAndExport* methods.
 *///www.j  a  v  a  2 s .  c  o  m
private static void write(GcodeParser gcp, GcodeStreamWriter gsw, String original, String command,
        String comment, int idx) throws GcodeParserException {
    if (idx % 100000 == 0) {
        logger.log(Level.FINE, "gcode processing line: " + idx);
    }

    if (StringUtils.isEmpty(command)) {
        gsw.addLine(original, command, comment, idx);
    } else {
        // Parse the gcode for the buffer.
        Collection<String> lines = gcp.preprocessCommand(command, gcp.getCurrentState());

        for (String processedLine : lines) {
            gsw.addLine(original, processedLine, comment, idx);
        }

        gcp.addCommand(command);
    }
}

From source file:com.newtranx.util.mysql.fabric.SpringMybatisSetShardKeyUtilImpl.java

@Override
public void setShardKey(String shardKey, boolean force) throws SQLException {
    FabricMySQLConnection connection = (FabricMySQLConnection) sqlSession.getConnection();
    if (StringUtils.isEmpty(connection.getShardKey()) || force) {
        connection.setShardKey(shardKey);
        log.debug("New shardKey set");
        log.debug("ShardKey=" + shardKey);
        log.debug("CurrentServerGroup=" + connection.getCurrentServerGroup());
    } else {/* www .  jav  a 2 s  .  co m*/
        log.debug("Keep original shardKey");
        log.debug("ShardKey=" + connection.getShardKey());
    }
}

From source file:com.navercorp.pinpoint.web.dao.ibatis.DefaultBindingLogFormatter.java

public String format(String query, List<String> parameters) {
    if (StringUtils.isEmpty(query)) {
        return query;
    }/*  w ww  .  j  a v  a2s . c o m*/
    if (removeWhitespace) {
        query = SqlUtils.removeBreakingWhitespace(query);
    }
    StringBuilder builder = new StringBuilder(query.length() << 1);

    int index = 0;
    int queryPrev = 0;

    for (int i = 0; i < query.length();) {
        if (parameters != null && query.charAt(i) == '?') {
            builder.append(query.substring(queryPrev, i));
            builder.append(parameters.size() > index ? convert(parameters.get(index)) : null);
            queryPrev = ++i;
            index++;
            continue;
        }
        i++;
    }
    if (queryPrev < query.length()) {
        builder.append(query.substring(queryPrev));
    }

    return builder.toString();
}

From source file:com.qcadoo.mes.basic.constants.GlobalTypeOfMaterial.java

public static GlobalTypeOfMaterial parseString(final String globalTypeOfMaterial) {
    if (StringUtils.isEmpty(globalTypeOfMaterial)) {
        return NONE;
    } else if ("01component".equals(globalTypeOfMaterial)) {
        return COMPONENT;
    } else if ("02intermediate".equals(globalTypeOfMaterial)) {
        return INTERMEDIATE;
    } else if ("03finalProduct".equals(globalTypeOfMaterial)) {
        return FINAL_PRODUCT;
    } else if ("04waste".equals(globalTypeOfMaterial)) {
        return WASTE;
    }//  w  w  w .j  av a  2 s.c o m

    throw new IllegalStateException("Unsupported GlobalTypeOfMaterial: " + globalTypeOfMaterial);
}

From source file:net.sfr.tv.mom.mgt.handlers.InvocationHandler.java

public InvocationHandler(final String expression, final Operation operation, final Formatter formatter,
        final String help) {
    if (StringUtils.isEmpty(expression))
        throw new IllegalArgumentException("Expression must be not null or empty");
    if (null == operation)
        throw new IllegalArgumentException("Operation must be not null");
    if (null == formatter)
        throw new IllegalArgumentException("Formatter must be not null");
    this.expression = expression;
    this.operation = operation;
    this.formatter = formatter;
    this.help = help;
}