source: fedd/abac-src/rtml/src/edu/stanford/rt/datatype/StringType.java @ 8780cbec

package edu.stanford.rt.datatype;

/**
 * @author Ninghui Li, Sandra Qiu<br>
 * 
 * Implementation of <code>StringType</code> element
 * 
 */
public class StringType extends OrderedType
{
        private boolean ignoreCase;
        private boolean ordered;

    /**
     * Constructor for StringType.
     */
        public StringType(
                String name,
                boolean ignoreCase,
                boolean ordered)
        {
                super(name);
                this.ignoreCase = ignoreCase;
                this.ordered = ordered;
        }


        /* (non-Javadoc)
         * @see edu.stanford.rt.datatype.SimpleType#isValidValue(DataValue)
         */
        public boolean isValidValue(DataValue value)
        {
                if (!(value instanceof StringValue))
                        return false;
                return true;
        }

        /* (non-Javadoc)
         * @see edu.stanford.rt.datatype.OrderedType#compares(DataValue, DataValue)
         */
        public int compares(DataValue value1, DataValue value2)
        {
                if (!(value1 instanceof StringValue)
                        || !(value2 instanceof StringValue))
                        throw new IllegalArgumentException("Wrong argument type");

                String val1 = ((StringValue) value1).getValue();
                String val2 = ((StringValue) value2).getValue();

                if (ignoreCase)
                        return val1.toLowerCase().compareTo(val2.toLowerCase());
                else
                        return val1.compareTo(val2);
        }

        /**
         * Method isIgnoreCase.
         * @return boolean
         */
        public boolean isIgnoreCase()
        {
                return ignoreCase;
        }
        /**
         * Method isOrdered.
         * @return boolean
         */
        public boolean isOrdered()
        {
                return ordered;
        }

        /* (non-Javadoc)
         * @see edu.stanford.rt.datatype.DataType#toString(String)
         */
        public String toString(String indent)
        {
                String thisIndent = indent + "  ";
                StringBuffer sb = new StringBuffer();

                sb
                        .append(thisIndent)
                        .append("StringType: ")
                        .append(getName())
                        .append("  ")
                        .append("ignoreCase = ")
                        .append(ignoreCase)
                        .append("  ")
                        .append("ordered = ")
                        .append(ordered)
                        .append("\n");

                return sb.toString();
        }

}