package frame.data;
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import java.math.BigDecimal;
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import java.text.ParseException;
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import java.util.Date;
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import org.apache.log4j.Logger;
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import frame.util.Util;
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public class Variant {
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private Object value;
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private DataType type;
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private static Logger logger;
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static {
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logger = Logger.getLogger(Variant.class);
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}
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public Variant() {
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value = null;
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}
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public Variant(Boolean value) {
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setValue(value);
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}
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public Variant(Integer value) {
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setValue(value);
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}
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public Variant(Double value) {
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setValue(value);
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}
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public Variant(BigDecimal value) {
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setValue(value);
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}
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public Variant(Date value) {
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setValue(value);
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}
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public Variant(String value) {
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setValue(value);
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}
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public void setValue(Boolean value) {
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this.value = value;
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type = DataType.Int;
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}
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public void setValue(Integer value) {
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this.value = value;
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type = DataType.Int;
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}
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public void setValue(Double value) {
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this.value = value;
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type = DataType.Double;
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}
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public void setValue(BigDecimal value) {
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this.value = value;
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type = DataType.Decimal;
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}
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public void setValue(Date value) {
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this.value = value;
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type = DataType.Date;
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}
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public void setValue(String value) {
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if ("null".equalsIgnoreCase(value)) {
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this.value = null;
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}
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else {
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this.value = value;
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}
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type = DataType.String;
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}
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public void setValue(Object value, DataType type) {
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this.value = value;
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this.type = type;
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}
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public DataType getType() {
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return type;
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}
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public Integer getIntValue() {
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Integer result = null;
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if (value != null) {
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Class<?> clazz = value.getClass();
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if (clazz == Integer.class) {
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result = (Integer)value;
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}
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else if (clazz == BigDecimal.class) {
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result = ((BigDecimal)value).intValue();
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}
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else if (clazz == String.class) {
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result = Integer.parseInt((String)value);
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}
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else {
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String value_str = String.valueOf(value);
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result = Integer.parseInt(value_str);
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}
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}
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else {
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result = 0;
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}
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return result;
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}
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public int getIntValue(int defaultValue) {
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if (value == null) {
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return defaultValue;
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}
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Integer result = getIntValue();
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if (result == null) {
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return defaultValue;
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}
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return result;
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}
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public Double getDoubleValue() {
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if (type == DataType.Int) {
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return Double.valueOf((Integer)value);
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}
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else {
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try {
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return (Double)value;
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}
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catch(Exception e) {
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return Double.valueOf(String.valueOf(value));
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}
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}
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}
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public BigDecimal getBigDecimalValue() {
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if (type == DataType.Int) {
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return BigDecimal.valueOf((Integer)value);
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}
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else {
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try {
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return BigDecimal.valueOf((Double)value);
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}
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catch(Exception e) {
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return BigDecimal.valueOf(Double.valueOf(String.valueOf(value)));
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}
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}
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}
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public Long getLongValue() {
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return (Long) value;
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}
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public Date getDateValue() throws ParseException {
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Date result = null;
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if (DataType.Date == type) {
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result = (Date)value;
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}
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else if (DataType.String == type) {
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result = Util.StringToDate(value.toString());
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}
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else if (DataType.Int == type) {
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logger.error("can not parse int to date");
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}
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else if (DataType.Double == type) {
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logger.error("can not parse double to date");
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}
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return result;
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}
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public java.sql.Timestamp getSqlDateValue() {
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return new java.sql.Timestamp(((Date)value).getTime());
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}
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public String getStringValue() {
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String result = null;
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if (value != null) {
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if (type == DataType.Date) {
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result = Util.DataTimeToString((Date)value);
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}
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}
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return result;
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}
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public String getStringValue(String defaultValue) {
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if (value != null) {
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if (DataType.Date == type) {
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String result = value.toString();
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if (result.length() > 15) {
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return result.subString(0, 16);
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}
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}
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return value.toString();
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}
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else {
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return defaultValue;
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}
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}
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public boolean getBooleanValue() {
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String str = getStringValue();
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boolean result = "T".equalsIgnoreCase(str);
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result = result || "True".equalsIgnoreCase(str);
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result = result || "Y".equalsIgnoreCase(str);
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result = result || "Yes".equalsIgnoreCase(str);
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return result;
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}
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public boolean getBooleanValue(boolean defaultValue) {
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String str = getStringValue();
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if (Util.isEmptyStr(str)) {
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return defaultValue;
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}
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boolean result = "T".equalsIgnoreCase(str);
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result = result || "True".equalsIgnoreCase(str);
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result = result || "Y".equalsIgnoreCase(str);
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result = result || "Yes".equalsIgnoreCase(str);
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return result;
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}
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public Object getValue() {
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return value;
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}
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public boolean isNull() {
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return value == null;
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}
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public boolean isEmpty() {
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String str = getStringValue();
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return Util.isEmptyStr(str);
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}
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public void setNull() {
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value = null;
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}
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public void clear() {
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value = null;
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}
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public String toString() {
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return getStringValue();
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}
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}
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