Example usage for java.util List isEmpty

Introduction

In this page you can find the example usage for java.util List isEmpty.

Prototype

boolean isEmpty();

Source Link

Document

Returns true if this list contains no elements.

Usage

From source file:com.pinterest.deployservice.common.ChangeFeedJob.java

private static String toStringRepresentation(Object object) throws IllegalAccessException {
    if (object == null) {
        return "None";
    }//from www.  j  a va  2 s.  c  o m

    if (object instanceof List) {
        List<?> list = (List<?>) object;
        if (list.isEmpty()) {
            return "[]";
        }

        StringBuilder sb = new StringBuilder("[");
        for (Object element : list) {
            sb.append(toStringRepresentation(element));
            sb.append(", ");
        }

        sb.delete(sb.length() - 2, sb.length());
        sb.append(']');
        return sb.toString();
    }

    Field[] fields = object.getClass().getDeclaredFields();
    if (fields.length == 0) {
        return "{}";
    }

    StringBuilder sb = new StringBuilder("{");
    for (Field field : fields) {
        field.setAccessible(true);
        Object fieldItem = field.get(object);
        sb.append(field.getName());
        sb.append(":");
        sb.append(fieldItem);
        sb.append(", ");
    }

    sb.delete(sb.length() - 2, sb.length());
    sb.append('}');
    return sb.toString();
}

From source file:com.u2apple.rt.util.AndroidDeviceUtils.java

public static List<AndroidDeviceRanking> parse(List<AndroidDevice> devices) {
    List<AndroidDeviceRanking> androidDevices = new ArrayList<>();
    if (devices != null && !devices.isEmpty()) {
        for (AndroidDevice device : devices) {
            androidDevices.add(new AndroidDeviceRanking(device));
        }//from  www .  j  av a 2 s.  c  o m
    }
    return androidDevices;
}

From source file:com.ineunet.knife.persist.PersistUtils.java

/**
 * @since 1.2.3/*from   w  w  w . ja  v  a 2 s  .c  om*/
 */
public static boolean existsTable(String dbName, String tableName, JdbcTemplate jdbcTemplate) {
    String sql = "select `TABLE_NAME` from `INFORMATION_SCHEMA`.`TABLES` where `TABLE_SCHEMA`=? and `TABLE_NAME`=?";
    List<String> table = jdbcTemplate.queryForList(sql, String.class, dbName, tableName);
    if (table.isEmpty())
        return false;
    return true;
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.provider.KubernetesModelUtil.java

private static boolean someUpRemainingUnknown(List<Map<String, String>> healthsList) {
    List<Map<String, String>> knownHealthList = healthsList.stream()
            .filter(h -> !stateEquals(h, HealthState.Unknown)).collect(Collectors.toList());

    return !knownHealthList.isEmpty() && knownHealthList.stream().allMatch(h -> stateEquals(h, HealthState.Up));
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.provider.KubernetesModelUtil.java

private static boolean someSucceededRemainingUnknown(List<Map<String, String>> healthsList) {
    List<Map<String, String>> knownHealthList = healthsList.stream()
            .filter(h -> !stateEquals(h, HealthState.Unknown)).collect(Collectors.toList());

    return !knownHealthList.isEmpty()
            && knownHealthList.stream().allMatch(h -> stateEquals(h, HealthState.Succeeded));
}

From source file:com.pieframework.runtime.utils.ArtifactManager.java

private static String getArchivePath(List<File> flist) {

    if (!flist.isEmpty()) {
        if (flist.size() == 1 && flist.get(0).isFile()
                && FilenameUtils.isExtension(flist.get(0).getName(), "zip")) {
            return flist.get(0).getPath();
        }/* w w  w . j  a v a2  s . co  m*/
    }

    return null;
}

From source file:com.glaf.template.config.TemplateConfig.java

public static void reload() {
    if (!loading.get()) {
        InputStream inputStream = null;
        try {/*w w  w . j av  a2s. c  o  m*/
            loading.set(true);
            String config = SystemProperties.getConfigRootPath() + "/conf/templates/";
            logger.debug("load config dir:" + config);
            File directory = new File(config);
            if (directory.exists() && directory.isDirectory()) {
                TemplateReader reader = new TemplateReader();
                String[] filelist = directory.list();
                if (filelist != null) {
                    for (int i = 0, len = filelist.length; i < len; i++) {
                        String filename = config + filelist[i];
                        File file = new File(filename);
                        if (file.isFile() && file.getName().endsWith(".xml")) {
                            logger.debug("read config:" + filename);
                            inputStream = new FileInputStream(file);
                            List<Template> templates = reader.readTemplates(inputStream);
                            if (templates != null && !templates.isEmpty()) {
                                for (Template template : templates) {
                                    if (template.getName() != null) {
                                        concurrentMap.put(template.getName().toLowerCase(), template);
                                    }
                                    if (template.getTemplateId() != null) {
                                        concurrentMap.put(template.getTemplateId().toLowerCase(), template);
                                    }
                                }
                            }
                            IOUtils.closeStream(inputStream);
                        }
                    }
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
            logger.error(ex);
        } finally {
            loading.set(false);
            IOUtils.closeStream(inputStream);
        }
    }
}

From source file:com.taobao.tddl.jdbc.group.util.ExceptionUtils.java

/**
 * sqlException error loglog,/*from  w  w w.  j  a va  2 s. co  m*/
 * 
 * list
 * 
 * @param logger
 * @param message
 * @param sqlExceptions
 */
public static void printSQLExceptionToErrorLog(Log logger, String message, List<SQLException> sqlExceptions) {
    if (sqlExceptions != null && !sqlExceptions.isEmpty()) {
        for (SQLException sqlException : sqlExceptions) {
            logger.error(message, sqlException);
        }
        sqlExceptions.clear();
    }
}

From source file:de.metas.ui.web.window.datatypes.json.JSONLookupValuesList.java

@JsonCreator
private static final JSONLookupValuesList ofJSONLookupValuesList(
        @JsonProperty("values") final List<JSONLookupValue> jsonLookupValues) {
    if (jsonLookupValues == null || jsonLookupValues.isEmpty()) {
        return EMPTY;
    }//  w  w  w .  j ava  2  s.c om

    return new JSONLookupValuesList(ImmutableList.copyOf(jsonLookupValues), ImmutableMap.of());
}

From source file:com.squarespace.template.TreeEmitter.java

private static void emitArgs(Arguments args, StringBuilder buf) {
    List<String> rawArgs = args.getArgs();
    if (!rawArgs.isEmpty()) {
        buf.append("delim='");
        buf.append(StringEscapeUtils.escapeJava("" + args.getDelimiter()));
        buf.append("' parsed=").append(args.getArgs());
    }//from  w  w w .ja v a 2s .  co  m
}