ddbValue.java

package org.xmlsh.aws;

import java.util.List;
import org.xmlsh.aws.util.DDBTypes;
import org.xmlsh.core.AbstractBuiltinFunction;
import org.xmlsh.core.InvalidArgumentException;
import org.xmlsh.core.XValue;
import org.xmlsh.sh.shell.Shell;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;

public class ddbValue extends AbstractBuiltinFunction {

  public ddbValue() {
    super("ddb-value");
  }

  @Override
  public XValue run(Shell shell, List<XValue> args) throws Exception {
    switch(args.size()){
    case 0:
      return XValue.newXValue(new AttributeValue());
    case 1:
      return XValue.newXValue(DDBTypes.parseAttrValue(args.get(0)));
    case 2:
      return XValue
          .newXValue(DDBTypes.parseAttrValue(args.get(0), args.get(1)));
    default:
      throw new InvalidArgumentException(
          "Unexpected arguments: Usage: " + getName() + " [type [value]");
    }

  }

}