// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.codec;

import org.litesoft.charstreams.*;
import org.litesoft.commonfoundation.annotations.*;
import org.litesoft.commonfoundation.typeutils.*;
import org.litesoft.mementobeansupport.*;

/**
 * Convert Mementoable value to/from a self-terminating string representation
 */
public class MemoableTypedTerminatingCodec<T extends Mementoable<T>> extends AbstractTypedTerminatingCodec<T>
{
    private T mDefaultInstance;

    public MemoableTypedTerminatingCodec( T pDefaultInstance )
    {
        Objects.assertNotNull( "DefaultInstance", mDefaultInstance = pDefaultInstance );
    }

    @Override
    protected @NotNull void encodeNonNull( CharSink pCharSink, T pValue )
    {
        CharSink zCharSink = new CharSinkToString();
        pValue.toMemento( zCharSink );
        String zEncodedAsString = zCharSink.toString();
        StringTypedTerminatingCodec.INSTANCE.encodeNonNull( pCharSink, zEncodedAsString );
    }

    @Override
    protected @NotNull T decodeNonNull( CharSource pCharSource )
    {
        String zEncodedAsString = StringTypedTerminatingCodec.INSTANCE.decodeNonNull( pCharSource );
        CharSource zCharSource = new CharSourceFromSequence( zEncodedAsString );
        return validateConsumed( zEncodedAsString, zCharSource, mDefaultInstance.fromMemento( zCharSource ) );
    }
}