types.java

JDBF是一个实现o/r mapping 的软件

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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 */

/*
 * The original code is in package org.exolab.castor.mapping.loader.
 * It has been repackaged for jdbf.
 */
package org.jdbf.castor;



import java.util.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.text.ParseException;
import java.math.BigDecimal;

// packages changed for opl
import org.jdbf.engine.mapping.MappingException;
import org.jdbf.util.MimeBase64Encoder;
import org.jdbf.util.MimeBase64Decoder;


/**
 * Type information. Can be used to convert from class to class,
 * get default value for every class.
 *
 * @author <a href="[e-mail]">Assaf Arkin</a>
 * @version $Revision: 1.2 $
 * last changed by $Author: gmartone $
 *
 */
public class Types{


    /**
     * List of all the default convertors between Java types.
     */
    static TypeConvertorInfo[] _typeConvertors = new TypeConvertorInfo[] {
        // Convertors to boolean
        new TypeConvertorInfo( java.lang.Short.class, java.lang.Boolean.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Boolean( ( (Short) obj ).shortValue() != 0 );
            }
            public String toString() { return "Short->Boolean"; }
        } ),
        new TypeConvertorInfo( java.lang.Integer.class, java.lang.Boolean.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Boolean( ( (Integer) obj ).intValue() != 0 );
            }
            public String toString() { return "Integer->Boolean"; }
        } ),
        new TypeConvertorInfo( java.lang.String.class, java.lang.Boolean.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                switch ( ( (String) obj ).length() ) {
                    case 0: return Boolean.FALSE;
                    case 1: char ch = ( (String) obj ).charAt( 0 );
                        if (param == null || param.length() != 2 )
                            return ( ch == 'T' || ch == 't'  ) ? Boolean.TRUE : Boolean.FALSE;
                        else 
                            return ( ch == param.charAt( 1 ) ) ? Boolean.TRUE : Boolean.FALSE;
                    case 4: return ( (String) obj ).equalsIgnoreCase( "true" ) ? Boolean.TRUE : Boolean.FALSE;
                    case 5: return ( (String) obj ).equalsIgnoreCase( "false" ) ? Boolean.TRUE : Boolean.FALSE;
                }
                return Boolean.FALSE;
            }
            public String toString() { return "String->Boolean"; }
        } ),
	new TypeConvertorInfo( java.math.BigDecimal.class,
			       java.lang.Boolean.class, new TypeConvertor() {
	    public Object convert( Object obj, String param ) {
		return new Boolean( ( (java.math.BigDecimal) obj).intValue() != 0 );
	    }
	    public String toString() { return "BigDecimal->Boolean"; }
        } ),
        new TypeConvertorInfo( java.lang.Byte.class, java.lang.Boolean.class,
new TypeConvertor() {
            public Object convert( Object obj, String param ) {
		return new Boolean( ( (Byte) obj ).shortValue() != 0 );
	    }
	    public String toString() { return "Byte->Boolean"; }
        } ),

	// Convertors to integer
        new TypeConvertorInfo( java.lang.Byte.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Integer( ( (Byte) obj ).intValue() );
            }
            public String toString() { return "Byte->Integer"; }
        } ),
        new TypeConvertorInfo( java.lang.Short.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Integer( ( (Short) obj ).intValue() );
            }
            public String toString() { return "Short->Integer"; }
        } ),
        new TypeConvertorInfo( java.lang.Long.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Integer( ( (Long) obj ).intValue() );
            }
            public String toString() { return "Long->Integer"; }
        } ),
        new TypeConvertorInfo( java.lang.Float.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Integer( ( (Float) obj ).intValue() );
            }
            public String toString() { return "Float->Integer"; }
        } ),
        new TypeConvertorInfo( java.lang.Double.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Integer( ( (Double) obj ).intValue() );
            }
            public String toString() { return "Double->Integer"; }
        } ),
        new TypeConvertorInfo( java.math.BigDecimal.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Integer( ( (BigDecimal) obj ).intValue() );
            }
            public String toString() { return "BigDecimal->Integer"; }
        } ),
        new TypeConvertorInfo( java.lang.String.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return Integer.valueOf( (String) obj );
            }
            public String toString() { return "String->Integer"; }
        } ),
        new TypeConvertorInfo( java.util.Date.class, java.lang.Integer.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                _paramDateFormat.applyPattern( Types.getFullDatePattern( param ) );
                return new Integer( _paramDateFormat.format( (Date) obj ) );
            }
            public String toString() { return "Date->Integer"; }
       } ),
       new TypeConvertorInfo( java.lang.Boolean.class,
java.lang.Integer.class, new TypeConvertor() {
           public Object convert( Object obj, String param ) {
               return new Integer( ((Boolean) obj ).booleanValue() ? 1 : 0 );
           }
     	   public String toString() { return "Boolean->Integer"; }
       } ),

        // Convertors to long
        new TypeConvertorInfo( java.lang.Integer.class, java.lang.Long.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Long( ( (Integer) obj ).longValue() );
            }
            public String toString() { return "Integer->Long"; }
        } ),
        new TypeConvertorInfo( java.lang.Short.class, java.lang.Long.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Long( ( (Short) obj ).longValue() );
            }
            public String toString() { return "Short->Long"; }
        } ),
        new TypeConvertorInfo( java.lang.Float.class, java.lang.Long.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Long( ( (Float) obj ).longValue() );
            }
            public String toString() { return "Float->Long"; }
        } ),
        new TypeConvertorInfo( java.lang.Double.class, java.lang.Long.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Long( ( (Double) obj ).longValue() );
            }
            public String toString() { return "Double->Long"; }
        } ),
        new TypeConvertorInfo( java.math.BigDecimal.class, java.lang.Long.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Long( ( (BigDecimal) obj ).longValue() );
            }
            public String toString() { return "BigDecimal->Long"; }
        } ),
        new TypeConvertorInfo( java.lang.String.class, java.lang.Long.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return Long.valueOf( (String) obj );
            }
            public String toString() { return "String->Long"; }
        } ),
        // Convertors to short
        new TypeConvertorInfo( java.lang.Byte.class, java.lang.Short.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Short( ( (Byte) obj ).shortValue() );
            }
            public String toString() { return "Byte->Short"; }
        } ),
        new TypeConvertorInfo( java.lang.Integer.class, java.lang.Short.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Short( ( (Integer) obj ).shortValue() );
            }
            public String toString() { return "Integer->Short"; }
        } ),
        new TypeConvertorInfo( java.lang.Long.class, java.lang.Short.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return new Short( ( (Long) obj ).shortValue() );
            }
            public String toString() { return "Long->Short"; }
        } ),
        new TypeConvertorInfo( java.lang.String.class, java.lang.Short.class, new TypeConvertor() {
            public Object convert( Object obj, String param ) {
                return Short.valueOf( (String) obj );
            }
            public String toString() { return "String->Short"; }
        } ),
       new TypeConvertorInfo( java.lang.Boolean.class, java.lang.Short.class,
new TypeConvertor() {