Revision 8186
| trunk/libraries/libGDBMS/src/main/java/com/hardcode/gdbms/engine/values/ValueFactory.java | ||
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import com.hardcode.gdbms.engine.instruction.SemanticException; |
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import com.hardcode.gdbms.parser.SQLEngineConstants; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.InvocationTargetException; |
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import java.sql.Time; |
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import java.sql.Timestamp; |
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import java.sql.Types; |
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return null; |
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} |
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} |
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/** |
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* Create a Value instance from a String value using |
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* the class specified in valueName. |
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* <P> |
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* |
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* <code> |
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* Nota: Habria que ver que hacemos con esto... seguimos delegando |
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* o modificar el createValueByType para que delege en esta |
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* </code> |
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* <P> |
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* @param text String representation of value |
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* @param valueName class name of the instance of Value to return. |
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* It can be the class name without the package. |
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* @return a Value instance |
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* @throws ParseException |
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*/ |
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public static Value createValueByValueName(String text, String valueName) |
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throws ParseException {
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String baseName; |
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if (valueName.indexOf(".") > -1) {
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baseName = valueName.substring( valueName.lastIndexOf(".")+1);
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} else {
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baseName = valueName; |
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} |
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if (baseName.equals("BinaryValue")) {
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return createValueByType(text,Types.BINARY); |
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} else if (baseName.equals("BooleanValue")) {
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return createValueByType(text,Types.BOOLEAN); |
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} else if (baseName.equals("ByteValue")) {
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return createValueByType(text,Types.TINYINT); |
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} else if (baseName.equals("ComplexValue")) {
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return createComplexValue(text); |
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} else if (baseName.equals("DateValue")) {
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return createValueByType(text,Types.DATE); |
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} else if (baseName.equals("DoubleValue")) {
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return createValueByType(text,Types.DOUBLE); |
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} else if (baseName.equals("FloatValue")) {
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return createValueByType(text,Types.REAL); |
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} else if (baseName.equals("IntValue")) {
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return createValueByType(text,Types.INTEGER); |
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} else if (baseName.equals("LongValue")) {
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return createValueByType(text,Types.BIGINT); |
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} else if (baseName.equals("NullValue")) {
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return new NullValue(); |
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} else if (baseName.equals("ShortValue")) {
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return createValueByType(text,Types.SMALLINT); |
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} else if (baseName.equals("StringValue")) {
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return createValueByType(text,Types.VARCHAR); |
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} else if (baseName.equals("TimestampValue")) {
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return createValueByType(text,Types.TIMESTAMP); |
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} else if (baseName.equals("TimeValue")) {
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return createValueByType(text,Types.TIME); |
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} else {
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try {
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Class valueClass = Class.forName(valueName); |
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Constructor constr= valueClass.getConstructor(new Class[] {String.class});
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return (Value) constr.newInstance(new Object[] {text});
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} catch (Exception e) {
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throw new ParseException(e.getMessage(),0); |
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} |
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} |
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} |
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} |
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