package kr.wisestone.owl.util;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.util.StringUtils;
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import java.util.*;
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public class MapUtil {
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static final Logger log = LoggerFactory.getLogger(MapUtil.class);
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public static Long getLong(Map<String, Object> map, String attr) {
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Object value = getObject(map, attr);
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if (StringUtils.isEmpty(value)) {
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return null;
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}
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return Long.valueOf(value.toString());
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}
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@SuppressWarnings("rawtypes")
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public static List<Long> getLongs(Map<String, Object> map, String attr) {
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List<Long> values = new ArrayList<Long>();
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Object value = getObject(map, attr);
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if (value == null) {
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return null;
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}
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if (!(value instanceof List)) {
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return null;
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}
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for (Object obj : (List) value) {
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values.add(Long.valueOf(obj.toString()));
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}
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return values;
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}
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public static Double getDouble(Map<String, Object> map, String attr) {
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Object value = getObject(map, attr);
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if (StringUtils.isEmpty(value)) {
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return null;
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}
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return Double.valueOf(value.toString());
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}
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public static List<Double> getDoubles(Map<String, Object> map, String attr) {
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List<Double> values = new ArrayList<Double>();
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Object value = getObject(map, attr);
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if (value == null) {
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return null;
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}
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if (!(value instanceof List)) {
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return null;
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}
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for (Object obj : (List) value) {
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values.add(Double.valueOf(obj.toString()));
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}
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return values;
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}
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@SuppressWarnings("rawtypes")
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public static List<String> getStrings(Map<String, Object> map, String attr) {
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List<String> values = new ArrayList<String>();
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Object value = getObject(map, attr);
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if (value == null) {
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return null;
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}
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if (!(value instanceof List)) {
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return null;
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}
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for (Object obj : (List) value) {
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values.add(obj.toString());
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}
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return values;
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}
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public static Integer getInteger(Map<String, Object> map, String attr) {
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Object value = getObject(map, attr);
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if (StringUtils.isEmpty(value)) {
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return null;
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}
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return Integer.valueOf(value.toString());
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}
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/**
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* 값이 null 또는 ""이면 null을 반환한다.
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*
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* @param map
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* @param attr
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* @return
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*/
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public static String getString(Map<String, Object> map, String attr) {
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Object value = getObject(map, attr);
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if (StringUtils.isEmpty(value)) {
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return null;
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}
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return value.toString();
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}
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public static String getString(Map<String, Object> map, String attr, String defaultValue) {
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Object value = getObject(map, attr);
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if (StringUtils.isEmpty(value)) {
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return defaultValue;
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}
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return value.toString();
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}
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/**
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* @param map
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* @param attr
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* @return
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*/
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public static Object getObject(Map<String, Object> map, String attr) {
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if (map == null) {
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return null;
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}
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return map.get(attr);
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}
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public static Boolean getBoolean(Map<String, Object> map, String attr) {
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if (map != null) {
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Object value = map.get(attr);
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if (value != null) {
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if (value instanceof String) {
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if ("".equals(value)) {
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return null;
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}
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if ("Y".equals(value)) {
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return Boolean.TRUE;
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} else {
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return Boolean.FALSE;
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}
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} else {
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return Boolean.valueOf(value.toString());
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}
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}
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}
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return null;
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}
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@SuppressWarnings("rawtypes")
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public static Map<Long, String> getMap(Map<String, Object> map, String attr) {
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if (map == null) {
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return null;
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}
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Object value = map.get(attr);
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if (value == null) {
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return null;
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}
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if (!(value instanceof Map)) {
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return null;
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}
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Map<Long, String> retval = new HashMap<Long, String>();
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for (Iterator iter = ((Map) value).keySet().iterator(); iter.hasNext();) {
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Object key = iter.next();
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if (retval.containsKey(key)) {
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log.error("맵에 중복된 Key가 존재합니다.");
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return null;
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}
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retval.put(Long.valueOf(key.toString()), ((Map) value).get(key).toString());
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}
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return retval;
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}
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}
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