gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / dataTypes / DataTypeUtils.java @ 2080
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package org.gvsig.tools.dataTypes; |
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import java.util.Locale; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionContextLocale; |
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import org.gvsig.tools.dataTypes.CoercionContextDecimal; |
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/**
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*
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* @author jjdelcerro
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*/
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public class DataTypeUtils { |
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private static CoercionContextLocale COERCE_CONTEXT_DEFAULT_LOCALE ; |
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private static CoercionContextDecimal COERCE_CONTEXT_DEFAULT_DECIMAL ; |
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protected DataTypeUtils() {
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} |
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public static CoercionContextLocale coerceContextLocale(Locale locale) { |
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return new CoercionContextLocaleImpl(locale); |
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} |
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public static CoercionContextLocale coerceContextDefaultLocale() { |
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if( COERCE_CONTEXT_DEFAULT_LOCALE==null || |
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Locale.getDefault()!=COERCE_CONTEXT_DEFAULT_LOCALE.locale() ) {
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COERCE_CONTEXT_DEFAULT_LOCALE = new CoercionContextLocaleImpl(Locale.getDefault()); |
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} |
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return COERCE_CONTEXT_DEFAULT_LOCALE;
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} |
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public static CoercionContextDecimal coerceContextDefaultDecimal() { |
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if( COERCE_CONTEXT_DEFAULT_DECIMAL==null || |
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Locale.getDefault()!=COERCE_CONTEXT_DEFAULT_DECIMAL.locale() ) {
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COERCE_CONTEXT_DEFAULT_DECIMAL = new CoercionContextDecimalImpl(
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Locale.getDefault()
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); |
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} |
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return COERCE_CONTEXT_DEFAULT_DECIMAL;
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} |
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public static CoercionContextDecimal coerceContextDecimal(Locale locale) { |
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if( COERCE_CONTEXT_DEFAULT_DECIMAL!=null || |
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locale==COERCE_CONTEXT_DEFAULT_DECIMAL.locale() ) {
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return COERCE_CONTEXT_DEFAULT_DECIMAL;
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} |
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return new CoercionContextDecimalImpl(locale); |
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} |
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public static CoercionContextDecimal coerceContextDecimal(Locale locale, int precision, int scale, int roundMode) { |
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return new CoercionContextDecimalImpl(locale,precision, scale, roundMode); |
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} |
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public static Object coerce(int type, Object value, Object defaultValue) { |
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DataTypesManager manager = ToolsLocator.getDataTypesManager(); |
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DataType dataType = manager.get(type); |
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try {
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Object x = dataType.coerce(value);
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if( x == null ) { |
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return defaultValue;
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} |
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return x;
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} catch (CoercionException ex) {
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return defaultValue;
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} |
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} |
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public static int toInteger(Object value, int defaultValue) { |
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return (int) coerce(DataTypes.INT, value, defaultValue); |
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} |
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public static double toDouble(Object value, int defaultValue) { |
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return (double) coerce(DataTypes.DOUBLE, value, defaultValue); |
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} |
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public static String toString(Object value, String defaultValue) { |
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return (String) coerce(DataTypes.STRING, value, defaultValue); |
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} |
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public static boolean toBoolean(Object value, boolean defaultValue) { |
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return (boolean) coerce(DataTypes.BOOLEAN, value, defaultValue); |
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} |
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} |