ddbAttribute.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;

public class ddbAttribute extends AbstractBuiltinFunction {

  public ddbAttribute() {
    super("ddb-attribute");
  }

  @Override
  // Attribute
  // name/type Value
  // name type value
  public XValue run(Shell shell, List<XValue> args) throws Exception {
    switch(args.size()){

    case 1:
      return XValue.newXValue(DDBTypes.parseAttrNameValue(args.get(0)));
    case 2:
      return XValue
          .newXValue(DDBTypes.parseAttrNameValue(args.get(0), args.get(1)));
    case 3:
      return XValue.newXValue(
          DDBTypes.parseAttrNameValue(args.get(0), args.get(1), args.get(2)));
    default:
    case 0:
      throw new InvalidArgumentException(
          "Unexpected arguments: Usage: " + getName() + " [type [value]");
    }

  }

}