Revision 2080 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.lib/src/main/java/org/gvsig/tools/dataTypes/impl/coercion/CoerceToInt.java
| CoerceToInt.java | ||
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*/ |
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package org.gvsig.tools.dataTypes.impl.coercion; |
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import java.text.NumberFormat; |
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import java.text.ParsePosition; |
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import java.util.Date; |
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import java.util.Locale; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.tools.dataTypes.AbstractCoercion; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager.CoercionWithLocale;
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import org.gvsig.tools.dataTypes.CoercionContext;
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public class CoerceToInt implements CoercionWithLocale {
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@SuppressWarnings("UseSpecificCatch")
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public class CoerceToInt 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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try {
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if (!(value instanceof Integer)) {
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if (value instanceof Number) {
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value = ((Number) value).intValue(); |
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} else if( value instanceof Boolean ) {
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return (boolean)value ? 1:0; |
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} else if (value instanceof Date) {
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value = (int)(((Date)value).getTime()); |
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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 = Integer.valueOf(s.substring(2), 16); |
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} else {
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try {
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value = Integer.valueOf(s); |
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} catch (NumberFormatException ex) {
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value = Float.valueOf(s); |
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value = ((Number) value).intValue(); |
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} |
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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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@Override |
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public Object coerce(Object value) throws CoercionException {
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if (value == null || value instanceof Integer) {
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return value; |
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} |
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return coerce(value, null); |
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} |
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@Override |
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public Object coerce(Object value, Locale locale) throws CoercionException {
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if (value == null) {
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return null; |
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@Override |
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public Object coerce(Object value, CoercionContext context) throws CoercionException {
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if (value == null || value instanceof Integer) {
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return value; |
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} |
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Integer num; |
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try {
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if (value instanceof Number) {
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num = ((Number) value).intValue(); |
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} else if (value instanceof Boolean) {
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num = ((boolean) value ? 1 : 0); |
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} else if (value instanceof Date) {
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num = (int) ((Date) value).getTime(); |
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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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try {
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if (!(value instanceof Integer)) {
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if (value instanceof Number) {
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value = ((Number) value).intValue(); |
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} else if( value instanceof Boolean ) {
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return (boolean)value ? 1:0; |
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} else if (value instanceof Date) {
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value = (int)(((Date)value).getTime()); |
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} else {
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String s = value.toString().trim().toLowerCase(); |
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if( StringUtils.isBlank(s) ) {
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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 = Integer.valueOf(s.substring(2), 16); |
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} else {
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try {
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value = Integer.valueOf(s); |
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} catch (NumberFormatException ex) {
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ParsePosition p = new ParsePosition(0); |
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NumberFormat nf = NumberFormat.getInstance(locale); |
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Number num = nf.parse(s, p); |
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if (p.getErrorIndex() > 0 || p.getIndex() < s.length()) {
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throw new CoercionException("Can't coerce '"+s+"' to integer with locale " + (locale==null?"null":locale.getLanguage()) + "(error index "+p.getErrorIndex()+", index "+p.getIndex()+").");
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} |
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value = ((Number) num).intValue(); |
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} |
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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("Can't coerce '"+(value==null?"null":value.toString())+"' to integer with locale " + (locale==null?"null":locale.getLanguage())+"'.",e);
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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 = Integer.valueOf(s.substring(2), 16); |
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} else {
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if (s.startsWith("+")) {
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s = s.substring(1); |
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} |
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num = Integer.valueOf(s); |
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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("Can't coerce '" + value.toString() + "' to integer.", e);
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} |
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} |
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} |
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