package frame.variant.translator;
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import java.math.BigDecimal;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import frame.util.Util;
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import frame.variant.ValueType;
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import frame.variant.Value;
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public class IntegerTranslator extends ITranslator {
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public String toString(Object value) throws Exception {
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if (value == null) {
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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 String toSqlString(Object value) throws Exception {
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if (value == null) {
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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 String toJSONString(Object value) throws Exception {
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if (value == null) {
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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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@Override
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public String toSchemaString(Object value) throws Exception {
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if (value == null) {
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return "";
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}
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return value.toString();
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}
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@Override
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public Integer toInteger(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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if (value instanceof Integer) {
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return (Integer)value;
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}
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return Integer.valueOf(String.valueOf(value));
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}
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@Override
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public Double toDouble(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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return Double.valueOf((Integer)value);
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}
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@Override
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public BigDecimal toBigDecimal(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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return BigDecimal.valueOf((Integer)value);
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}
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@Override
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public Boolean toBoolean(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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return ((Integer)value) > 0;
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}
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@Override
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public Date toDate(Object value) throws Exception {
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if (value == null) {
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return null;
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}
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Integer intValue = (Integer)value;
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if (intValue >= 19500101 && intValue <= 21000101) {
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DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
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return dateFormat.parse(String.valueOf(intValue));
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}
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else {
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return new Date(Long.valueOf((Integer)value));
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}
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}
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@Override
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public Object toTranslatorTypeValue(Object value) throws Exception {
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return (Integer)value;
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}
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@Override
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public Object loadObjectFrom(String value) throws Exception {
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if (Util.isEmptyStr(value)) {
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return null;
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}
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return Integer.valueOf(value);
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}
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@Override
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public Value loadVariantFrom(String value) throws Exception {
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Object object = loadObjectFrom(value);
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Value variant = new Value();
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variant.setData(object, ValueType.Int);
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return variant;
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}
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@Override
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public Value loadVariantFrom(String value, Object defaultValue) {
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try {
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return loadVariantFrom(value);
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}
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catch (Exception e) {
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Value variant = new Value();
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variant.setData(defaultValue, ValueType.Int);
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return variant;
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}
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}
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@Override
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public Class<?> getDataClass() {
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return Integer.class;
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}
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}
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