source: trunk/src/org/expeditee/simple/SString.java@ 1506

/**
 *    SString.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.expeditee.simple;

public class SString extends SPrimitive<String> {
        public static String prefix = SVariable.prefix + "s" + SVariable.separator;

        Double doubleValue_ = null;

        public SString() {
                super();
        }

        public SString(String name, String value) {
                super(name, value);
        }

        public SString(String value) /* throws Exception */{
                super(value);
        }

        @Override
        public void parse(String s) {
                value_ = s;
                doubleValue_ = null;
        }

        @Override
        public Boolean booleanValue() {
                return Boolean.parseBoolean(value_);
        }

        @Override
        public Long integerValue() {
                if (value_.equals(""))
                        return 0L;
                try {
                        return Long.decode(value_);
                } catch (NumberFormatException ne) {
                }
                return Math.round(Double.parseDouble(value_));
        }

        @Override
        public Double doubleValue() {
                if (doubleValue_ != null)
                        return doubleValue_;

                if (value_.equals(""))
                        doubleValue_ = 0.0;
                else {
                        try {
                                doubleValue_ = Double.parseDouble(value_);
                        } catch (NumberFormatException ne) {
                                try{
                                doubleValue_ =(double) Long.decode(value_);
                                }catch(Exception e){
                                        doubleValue_ = Double.NaN;
                                }
                        }
                }
                return doubleValue_;
        }

        @Override
        public String stringValue() {
                return value_;
        }

        @Override
        public Character characterValue() {
                if (value_.length() > 0)
                        return value_.charAt(0);

                return '\0';
        }

        @Override
        public void setValue(SPrimitive v) {
                value_ = v.stringValue();
                doubleValue_ = null;
        }

        public int length() {
                return value_.length();
        }
}