ddbAttrNameExpr.java

package org.xmlsh.aws;

import java.util.List;
import org.xmlsh.aws.util.DDBTypes;
import org.xmlsh.aws.util.DDBTypes.AttrNameExpr;
import org.xmlsh.core.AbstractBuiltinFunction;
import org.xmlsh.core.InvalidArgumentException;
import org.xmlsh.core.XValue;
import org.xmlsh.sh.shell.Shell;

public class ddbAttrNameExpr extends AbstractBuiltinFunction {

  public ddbAttrNameExpr() {
    super("ddb-attr-name-expr");
  }

  @Override
  public XValue run(Shell shell, List<XValue> args) throws Exception {
    switch(args.size()){
    case 0:
      throw new InvalidArgumentException(
          "Required arguments: " + getName() + " expr ... ");
    case 1:
      return XValue.newXValue(
          DDBTypes.addNamePrefix(DDBTypes.parseAttrNameExpr(args.get(0))));
    case 2:
      return XValue.newXValue(
          DDBTypes.addNamePrefix(new AttrNameExpr(args.get(0).toString(),
              args.get(1).toString())));

    default:
      return XValue.newXValue(DDBTypes.parseAttrNameExprs(args));

    }

  }

}