Revision 2080 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.lib/src/main/java/org/gvsig/tools/dataTypes/impl/coercion/CoerceToByte.java
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*/ |
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package org.gvsig.tools.dataTypes.impl.coercion; |
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import org.gvsig.tools.dataTypes.AbstractCoercion; |
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import org.gvsig.tools.dataTypes.CoercionContext; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager.Coercion;
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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public class CoerceToByte implements Coercion {
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public class CoerceToByte extends AbstractCoercion {
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@Override |
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public Object coerce(Object value) throws CoercionException {
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if( value == null ) {
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return null; |
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} |
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@Override |
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@SuppressWarnings("UseSpecificCatch")
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public Object coerce(Object value, CoercionContext context) throws CoercionException {
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if (value == null || value instanceof Byte) {
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return value; |
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} |
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Byte num; |
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try {
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if (value instanceof Number) {
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num = ((Number) value).byteValue(); |
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try {
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if( ! (value instanceof Byte) ) {
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if( value instanceof Number ) {
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value = ((Number) value).byteValue(); |
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} else if( value instanceof Boolean ) {
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return (boolean)value ? 1:0; |
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} else {
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String s = value.toString(); |
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if( s == null ) {
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return null; |
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} |
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s = s.trim().toLowerCase(); |
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if( s.length()==0 ) {
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return null; |
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} |
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if( s.startsWith("0x")) {
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value = Byte.valueOf(s.substring(2), 16); |
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} else {
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value = Byte.valueOf(value.toString()); |
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} |
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} |
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} |
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return value; |
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} catch (Exception e) {
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throw new CoercionException(e); |
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} |
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} else if (value instanceof Boolean) {
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num = (byte) ((boolean) value ? 1 : 0); |
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} |
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} else {
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String s = value.toString(); |
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if (s == null) {
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return null; |
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} |
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s = s.trim().toLowerCase(); |
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if (s.length() == 0) {
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return null; |
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} |
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if (s.startsWith("0x")) {
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num = Byte.valueOf(s.substring(2), 16); |
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} else {
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num = Byte.valueOf(value.toString()); |
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} |
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} |
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return num; |
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} catch (Exception e) {
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throw new CoercionException(e); |
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} |
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} |
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} |
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