Example usage for org.apache.commons.lang StringUtils EMPTY

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils EMPTY.

Prototype

String EMPTY

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Document

The empty String "".

Usage

From source file:com.chadekin.jadys.commons.expression.SqlExpressionHandler.java

/**
 * Add an argument to the expression to be included to the actual builder, after verifying it is a valid expression
 * @param arg/*from www  . j ava 2 s .  c o  m*/
 * @return
 */
public default T addArgument(Object arg) {
    SqlExpressionItem expressionItem = getSqlExpressionItem();
    if (expressionItem == null) {
        setSqlExpressionItem(new SqlExpressionItem());
    }

    if (LOGICAL_OPERATORS.contains(arg)) {
        getSqlExpressionItem().appendLogicalOperator((JadysSqlOperation) arg);
    } else if (arg instanceof JadysSqlOperation) {
        JadysSqlOperation operator = (JadysSqlOperation) arg;
        TreeSet logicalOperators = getSqlExpressionItem().getLogicalOperator();
        if (!logicalOperators.isEmpty() && logicalOperators.last() == JadysSqlOperation.NOT) {
            operator = operator.getOpposite();
            getSqlExpressionItem().getLogicalOperator().remove(JadysSqlOperation.NOT);
        }
        getSqlExpressionItem().setOperator(operator);
    } else if (getSqlExpressionItem().getParam() == null) {
        String parameter = arg == null ? StringUtils.EMPTY : arg.toString();
        getSqlExpressionItem().setParam(parameter);
    } else if (arg == null) {
        setSqlExpressionItem(null);
    } else if (getSqlExpressionItem().getValue() == null) {
        getSqlExpressionItem().setValue(arg);
    }

    if (getSqlExpressionItem() != null && getSqlExpressionItem().isReady()) {
        finalizeExpression();
        setSqlExpressionItem(null);
    }
    return (T) this;
}

---

From source file:com.fengduo.bee.commons.util.ObjectUtils.java

/**
 * string?trim?//from   w w w.j  ava  2s.co m
 * 
 * @param object
 * @throws Exception
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
private static void trimStringField(Object object, Class<?> clazz) throws Exception {
    if (object instanceof Map<?, ?>) {
        Map<Object, Object> target = new HashMap<Object, Object>();
        for (Entry<?, ?> entry : ((Map<?, ?>) object).entrySet()) {
            Object key = entry.getKey();
            Object value = entry.getValue();

            if (key instanceof String) {
                key = StringUtils.trim((String) key);
            } else {
                trim(key);
            }

            if (value instanceof String) {
                value = StringUtils.trim((String) value);
                value = StringUtils.replace((String) value, "\"", StringUtils.EMPTY);
            } else {
                trim(value);
            }
            target.put(key, value);
        }
        ((Map<?, ?>) object).clear();
        ((Map) object).putAll((Map) target);
        return;
    }
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {
        if (field.getType() == String.class) {
            boolean isFoolback = false;
            if (field.isAccessible() == false) {
                isFoolback = true;
                field.setAccessible(true);
            }
            String value = (String) field.get(object);
            if (StringUtils.isNotEmpty(value)) {
                value = value.trim();
                field.set(object, value);
            }
            if (isFoolback) {
                field.setAccessible(false);
            }
        }
    }
}

---

From source file:info.halo9pan.word2vec.hadoop.mr.ReadWordsMapper.java

@Override
public void map(Object key, Text value, Context context) throws IOException, InterruptedException {
    String line = value.toString();
    for (String pattern : skipPatterns) {
        if (line.contains(pattern)) {
            Counter counter = context.getCounter(WordsCounter.SkipWords.toString(), pattern);
            counter.increment(1);//w  ww  .j  a v  a 2 s .  c om
        }
        line = line.replaceAll(pattern, StringUtils.EMPTY);
    }
    StringTokenizer itr = new StringTokenizer(line);
    while (itr.hasMoreTokens()) {
        word.set(itr.nextToken());
        context.write(word, ONE);
        Counter counter = context.getCounter(WordsCounter.class.getName(), WordsCounter.InputWords.toString());
        counter.increment(1);
    }
}

---

From source file:ch.puzzle.itc.mobiliar.presentation.deploy.LogView.java

public String getApplicationServerName() {
    if (deployment != null && deployment.getResource() != null) {
        return deployment.getResource().getName() + " " + deployment.getRelease().getName();
    } else {/*from w ww.j av  a  2  s.c  o  m*/
        return StringUtils.EMPTY;
    }
}

---

From source file:com.amalto.core.save.context.Save.java

private static void saveUpdateReport(MutableDocument updateReportDocument, SaverSource saverSource,
        SaverSession session) {/*from w w w .j a v  a  2  s.c om*/
    MetadataRepository metadataRepository = saverSource
            .getMetadataRepository(UpdateReport.UPDATE_REPORT_DATA_MODEL);
    ComplexTypeMetadata updateReportType = metadataRepository.getComplexType(UpdateReport.UPDATE_REPORT_TYPE);
    if (updateReportType == null) {
        throw new IllegalStateException("Could not find UpdateReport type."); //$NON-NLS-1$
    }

    Collection<FieldMetadata> keyFields = updateReportType.getKeyFields();
    long updateReportTime = 0;
    for (FieldMetadata keyField : keyFields) {
        String keyFieldName = keyField.getName();
        Accessor keyAccessor = updateReportDocument.createAccessor(keyFieldName);
        if (!keyAccessor.exist()) {
            throw new RuntimeException(
                    "Unexpected state: update report does not have value for key '" + keyFieldName + "'."); //$NON-NLS-1$ //$NON-NLS-2$
        }
        if ("TimeInMillis".equals(keyFieldName)) { //$NON-NLS-1$
            if (StringUtils.EMPTY.equals(keyAccessor.get())) { // No update report need to save.
                return;
            } else {
                updateReportTime = Long.parseLong(keyAccessor.get());
            }
        }
    }
    if (updateReportTime < 1) { // This is unexpected (would mean update report "TimeInMillis" is not present).
        throw new IllegalStateException("Missing update report time value."); //$NON-NLS-1$
    }
    // Call session's save to save all items in correct order (one transaction per data cluster for the XML db).
    session.save(UpdateReport.UPDATE_REPORT_DATA_MODEL, updateReportDocument);
}

---

From source file:main.java.framework.java.measurement.FileVisitor.java

@Override
@ParametersAreNonnullByDefault//from   w w  w.ja v a 2s.  c om
public void scanFile(JavaFileScannerContext context) {
    this.context = context;
    this.project = getProjectKey();
    this.packageName = StringUtils.EMPTY;
    this.imports = new ArrayList<>();
    CompilationUnitTree tree = context.getTree();
    scan(tree);
}

---

From source file:com.microsoft.alm.plugin.idea.common.ui.workitem.SelectWorkItemsModel.java

public String getServerName() {
    if (latestServerContext != null) {
        return latestServerContext.getServerUri().toString();
    }/*from w  w  w .j  a  va 2  s .  c om*/
    return StringUtils.EMPTY;
}

---

From source file:com.alibaba.doris.admin.service.impl.ValueParseUtil.java

/**
 * ?String ?://from  w ww  . jav a2  s .c  o m
 * 
 * <pre>
 * short, int, long, float : 0
 * char, byte: 0
 * String: null
 * Map, List: null
 * Integer, Long, Float : null
 * Date: null
 * array: null
 * </pre>
 * 
 * @param strValue
 * @param clazz
 * @return
 */
@SuppressWarnings("unchecked")
public static <T> T parseStringValue(String strValue, Class<T> clazz, boolean autoDefault) {

    if (DEF_NULL.equals(strValue)) {
        if (!clazz.isPrimitive()) {
            return null;
        }
        if (autoDefault) {
            return (T) getInternalDefaultValue(clazz);
        } else {
            return null;
        }
    }

    if (DEF_EMPTY.equals(strValue)) {
        if (clazz.isArray()) {
            return (T) Array.newInstance(clazz.getComponentType(), 0);
        }

        if (Map.class.isAssignableFrom(clazz)) {
            return (T) Collections.EMPTY_MAP;
        }

        if (List.class.isAssignableFrom(clazz)) {
            return (T) new ArrayList<Object>();
        }

        if (Set.class.isAssignableFrom(clazz)) {
            return (T) new HashSet<Object>();
        }

        if (String.class.equals(clazz)) {
            return (T) StringUtils.EMPTY;
        }

        if (Character.TYPE.equals(clazz) || Character.class.equals(clazz)) {
            return (T) Character.valueOf(' ');
        }

        if (autoDefault) {
            return (T) getInternalDefaultValue(clazz);
        } else {
            return null;
        }
    }

    if (StringUtils.isBlank(strValue)) {// ?
        if (autoDefault) {
            return (T) getInternalDefaultValue(clazz);
        } else {
            return null;
        }
    } else {

        if (String.class.equals(clazz)) {
            return (T) strValue;
        }

        if (Short.TYPE.equals(clazz) || Short.class.equals(clazz)) {
            return (T) Short.valueOf(strValue);
        }

        if (Integer.TYPE.equals(clazz) || Integer.class.equals(clazz)) {
            return (T) Integer.valueOf(strValue);
        }
        if (Long.TYPE.equals(clazz) || Long.class.equals(clazz)) {
            return (T) Long.valueOf(strValue);
        }
        if (Boolean.TYPE.equals(clazz) || Boolean.class.equals(clazz)) {
            return (T) Boolean.valueOf(strValue);
        }
        if (Float.TYPE.equals(clazz) || Float.class.equals(clazz)) {
            return (T) Float.valueOf(strValue);
        }
        if (Double.TYPE.equals(clazz) || Double.class.equals(clazz)) {
            return (T) Double.valueOf(strValue);
        }
        if (Byte.TYPE.equals(clazz) || Byte.class.equals(clazz)) {
            return (T) Byte.valueOf(strValue);
        }
        if (Character.TYPE.equals(clazz) || Character.class.equals(clazz)) {
            return (T) Character.valueOf(strValue.charAt(0));
        }

        if (clazz.isArray()) {
            final Class<?> componentType = clazz.getComponentType();
            // String[]
            if (String.class.equals(componentType)) {
                return (T) StringUtils.split(strValue, ',');
            }
            // ?char[]
            if (Character.TYPE.equals(componentType)) {
                return (T) strValue.toCharArray();
            }

            if (Character.class.equals(componentType)) {
                final char[] tmp = strValue.toCharArray();
                final Character[] result = new Character[tmp.length];
                for (int i = 0; i < result.length; i++) {
                    result[i] = tmp[i];
                }
                return (T) result;
            }

            if (Byte.TYPE.equals(componentType) || Byte.class.equals(componentType)) {
                return (T) (strValue == null ? null : strValue.getBytes());
            }
        }
    }

    return null;

}

---

From source file:jenkins.plugins.coverity.ScmOptionBlock.java

public String checkScmConfig() {
    // Checking the required fields for specific SCM systems

    String errorText = StringUtils.EMPTY;
    Boolean delim = true;/*from   w  ww .  j  av  a  2 s . c om*/
    if (this.scmSystem.equals("accurev") && this.accRevRepo == null) {
        errorText += "[SCM] Please specify AccuRev's source control repository under 'Advanced' \n";
        delim = false;
    }

    if (this.scmSystem.equals("perforce") && this.p4Port == null) {
        errorText += "[SCM] Please specify Perforce's port environment variable under 'Advanced'\n ";
        delim = false;
    }

    if (delim) {
        errorText = "Pass";
    }
    return errorText;
}

---

From source file:com.fengduo.bee.service.impl.file.FileServiceImpl.java

public File getFile(String path) {
    if (StringUtils.isEmpty(path)) {
        return null;
    }//from   www  . jav a  2 s  .  com
    if (StringUtils.contains(path, STATIC_TMP_IMG)) {
        path = StringUtils.replace(path, STATIC_TMP_IMG, StringUtils.EMPTY);
    }
    File file = new File(UPLOAD_TMP_PATH + path);
    if (file == null || !file.isFile()) {
        return null;
    }
    if (file.getParentFile() == null || !file.getParentFile().exists()) {
        return null;
    }
    return file;
}

---

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