com.draagon.util.Converter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of utilities Show documentation
Show all versions of utilities Show documentation
Draagon Utilities used by other Draagon projects
The newest version!
package com.draagon.util;
import java.util.Date;
//import com.draagon.meta.MetaFieldTypes;
/**
* Util class to convert from one data type to another
*
* @author Douglas Mealing
*/
public final class Converter
{
/**
* Private constructor
*/
private Converter()
{
} // Converter
/*public static Object toType( int type, Object val ) {
switch( type ) {
case MetaFieldTypes.BOOLEAN: return toBoolean( val );
case MetaFieldTypes.BYTE: return toByte( val );
case MetaFieldTypes.SHORT: return toShort( val );
case MetaFieldTypes.INT: return toInt( val );
case MetaFieldTypes.LONG: return toLong( val );
case MetaFieldTypes.FLOAT: return toFloat( val );
case MetaFieldTypes.DOUBLE: return toDouble( val );
case MetaFieldTypes.STRING: return toString( val );
case MetaFieldTypes.DATE: return toDate( val );
case MetaFieldTypes.OBJECT: return val;
}
return val;
}*/
/**
* Converts the object value to double value
*
* @param val Value
* @return Double value
*/
public static Boolean toBoolean( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
return (Boolean) val;
}
else if ( val instanceof Byte ) {
if ( ((Byte) val ).byteValue() != 0 ) return new Boolean( true );
}
else if ( val instanceof Short ) {
if ( ((Short) val ).shortValue() != 0 ) return new Boolean( true );
}
else if ( val instanceof Integer ) {
if ( ((Integer) val ).intValue() != 0 ) return new Boolean( true );
}
else if ( val instanceof Long ) {
if ( ((Long) val ).longValue() != 0 ) return new Boolean( true );
}
else if ( val instanceof Float ) {
if ( ((Float) val ).floatValue() != 0 ) return new Boolean( true );
}
else if ( val instanceof Double ) {
if ( ((Double) val ).doubleValue() != 0 ) return new Boolean( true );
}
else if ( val instanceof String ) {
if ( val.toString().length() > 0 && ( val.toString().charAt( 0 ) == 't'
|| val.toString().charAt( 0 ) == 'T' )) return new Boolean( true );
}
else if ( val instanceof Date ) {
if ( ((Date) val ).getTime() == 0 ) return new Boolean( false );
else return new Boolean( true );
}
else if ( val instanceof Object ) {
if ( val.toString().length() > 0 && ( val.toString().charAt( 0 ) == 't'
|| val.toString().charAt( 0 ) == 'T' )) return new Boolean( true );
}
return new Boolean( false );
} // toDouble
/**
* Converts the object value to double value
*
* @param val Value
* @return Double value
*/
public static Double toDouble( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Double( 1.0 );
}
else if ( val instanceof Byte ) {
return new Double( (double) ((Byte) val ).byteValue() );
}
else if ( val instanceof Short ) {
return new Double( (double) ((Short) val ).shortValue() );
}
else if ( val instanceof Integer ) {
return new Double( (double) ((Integer) val ).intValue() );
}
else if ( val instanceof Long ) {
return new Double( (double) ((Long) val ).longValue() );
}
else if ( val instanceof Float ) {
return new Double( (double) ((Float) val ).floatValue() );
}
else if ( val instanceof Double ) {
return (Double) val;
}
else if ( val instanceof String ) {
try { return new Double( Double.parseDouble( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return new Double( (double) ((Date) val ).getTime() );
}
else if ( val instanceof Object ) {
try { return new Double( Double.parseDouble( val.toString() )); } catch( Exception e ) {}
}
return new Double( 0.0 );
} // toDouble
/**
* Converts the object value to Float value
*
* @param val Value
* @return Float value
*/
public static Float toFloat( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Float( 1 );
}
else if ( val instanceof Byte ) {
return new Float( (float) ((Byte) val ).byteValue() );
}
else if ( val instanceof Short ) {
return new Float( (float) ((Short) val ).shortValue() );
}
else if ( val instanceof Integer ) {
return new Float( (float) ((Integer) val ).intValue() );
}
else if ( val instanceof Long ) {
return new Float( (float) ((Long) val ).longValue() );
}
else if ( val instanceof Float ) {
return (Float) val;
}
else if ( val instanceof Double ) {
return new Float( (float) ((Double) val ).doubleValue() );
}
else if ( val instanceof String ) {
try { return new Float( Float.parseFloat( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return new Float( (float) ((Date) val ).getTime() );
}
else if ( val instanceof Object ) {
try { return new Float( Float.parseFloat( val.toString() )); } catch( Exception e ) {}
}
return new Float( 0 );
} // toFloat
/**
* Converts the object value to Long value
*
* @param val Value
* @return Long value
*/
public static Long toLong( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Long( 1 );
}
else if ( val instanceof Byte ) {
return new Long( (long) ((Byte) val ).byteValue() );
}
else if ( val instanceof Short ) {
return new Long( (long) ((Short) val ).shortValue() );
}
else if ( val instanceof Integer ) {
return new Long( (long) ((Integer) val ).intValue() );
}
else if ( val instanceof Long ) {
return (Long) val;
}
else if ( val instanceof Float ) {
return new Long( (long) ((Float) val ).floatValue() );
}
else if ( val instanceof Double ) {
return new Long( (long) ((Double) val ).doubleValue() );
}
else if ( val instanceof String ) {
try { return new Long( Long.parseLong( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return new Long( ((Date) val ).getTime() );
}
else if ( val instanceof Object ) {
try { return new Long( Long.parseLong( val.toString() )); } catch( Exception e ) {}
}
return new Long( 0 );
} // toLong
/**
* Converts the object value to Integer value
*
* @param val Value
* @return Integer Value
*/
public static Integer toInt( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Integer( 1 );
}
else if ( val instanceof Byte ) {
return new Integer( (int) ((Byte) val ).byteValue() );
}
else if ( val instanceof Short ) {
return new Integer( (int) ((Short) val ).shortValue() );
}
else if ( val instanceof Integer ) {
return (Integer) val;
}
else if ( val instanceof Long ) {
return new Integer( (int) ((Long) val ).longValue() );
}
else if ( val instanceof Float ) {
return new Integer( (int) ((Float) val ).floatValue() );
}
else if ( val instanceof Double ) {
return new Integer( (int) ((Double) val ).doubleValue() );
}
else if ( val instanceof String ) {
try { return new Integer( Integer.parseInt( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return new Integer( (int) ((Date) val ).getTime() );
}
else if ( val instanceof Object ) {
try { return new Integer( Integer.parseInt( val.toString() )); } catch( Exception e ) {}
}
return new Integer( 0 );
} // toInt
/**
* Convert the object value to short value
*
* @param val Value
* @return Short value
*/
public static Short toShort( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Short( (short)1 );
}
else if ( val instanceof Byte ) {
return new Short( (short) ((Byte) val ).shortValue() );
}
else if ( val instanceof Short ) {
return (Short) val;
}
else if ( val instanceof Integer ) {
return new Short( (short) ((Integer) val ).intValue() );
}
else if ( val instanceof Long ) {
return new Short( (short) ((Long) val ).longValue() );
}
else if ( val instanceof Float ) {
return new Short( (short) ((Float) val ).floatValue() );
}
else if ( val instanceof Double ) {
return new Short( (short) ((Double) val ).doubleValue() );
}
else if ( val instanceof String ) {
try { return new Short( Short.parseShort( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return new Short( (short) ((Date) val ).getTime() );
}
else if ( val instanceof Object ) {
try { return new Short( Short.parseShort( val.toString() )); } catch( Exception e ) {}
}
return new Short( (short)0 );
} // toShort
/**
* Convert the object value to byte value
*
* @param val Value
* @return Short value
*/
public static Byte toByte( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Byte( (byte)1 );
}
else if ( val instanceof Byte ) {
return (Byte) val;
}
else if ( val instanceof Short ) {
return new Byte( (byte) ((Integer) val ).intValue() );
}
else if ( val instanceof Integer ) {
return new Byte( (byte) ((Integer) val ).intValue() );
}
else if ( val instanceof Long ) {
return new Byte( (byte) ((Long) val ).longValue() );
}
else if ( val instanceof Float ) {
return new Byte( (byte) ((Float) val ).floatValue() );
}
else if ( val instanceof Double ) {
return new Byte( (byte) ((Double) val ).doubleValue() );
}
else if ( val instanceof String ) {
try { return new Byte( Byte.parseByte( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return new Byte( (byte) ((Date) val ).getTime() );
}
else if ( val instanceof Object ) {
try { return new Byte( Byte.parseByte( val.toString() )); } catch( Exception e ) {}
}
return new Byte( (byte)0 );
} // toByte
/**
* Convert the object value to byte value
*
* @param val Value
* @return Short value
*/
public static String toString( Object val )
{
if ( val == null ) return null;
if ( val instanceof Date ) {
return "" + ((Date) val ).getTime();
}
return val.toString();
} // toString
/**
* Convert the object value to Date value
*
* @param val Value
* @return Short value
*/
public static Date toDate( Object val )
{
if ( val == null ) return null;
if ( val instanceof Boolean ) {
if ( ((Boolean) val ).booleanValue() ) return new Date();
else return new Date( 0 );
}
else if ( val instanceof Byte ) {
return new Date( (long) ((Byte) val ).byteValue() );
}
else if ( val instanceof Short ) {
return new Date( (long) ((Short) val ).shortValue() );
}
else if ( val instanceof Integer ) {
return new Date( (long) ((Integer) val ).intValue() );
}
else if ( val instanceof Long ) {
return new Date( (long) ((Long) val ).longValue() );
}
else if ( val instanceof Float ) {
return new Date( (long) ((Float) val ).floatValue() );
}
else if ( val instanceof Double ) {
return new Date( (long) ((Double) val ).doubleValue() );
}
else if ( val instanceof String ) {
try { return new Date( Long.parseLong( (String) val )); } catch( Exception e ) {}
}
else if ( val instanceof Date ) {
return (Date) val;
}
// Catch anything else
try { return new Date( Long.parseLong( val.toString() )); }
catch( Exception e ) { return new Date( 0 ); }
} // toDate
} // Converter
© 2015 - 2025 Weber Informatics LLC | Privacy Policy