// Copyright 2005-2007 onetsoft.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.onetsoft.fastjsp.request.multipart;

import java.util.ArrayList;
import java.util.List;

/**
 * @author <a href="mailto:hgw@onetsoft.com">hgw</a>
 */
public class ValuePart {

    private int _count;

    // String or List of String
    private Object _value;

    public ValuePart(String value) {
        _count = 1;
        _value = value;
    }

    public int getCount() {
        return _count;
    }

    public String getValue() {
        if (_count == 1)
            return (String) _value;

        List l = (List) _value;

        return (String) l.get(0);
    }

    public String[] getValues() {
        if (_count == 1)
            return new String[]{(String) _value};
        List l = (List) _value;
        return (String[]) l.toArray(new String[_count]);
    }

    public void add(String newValue) {
        if (_count == 1) {
            List l = new ArrayList(8);
            l.add(_value);
            l.add(newValue);
            _value = l;
            _count++;
            return;
        }

        List l = (List) _value;
        l.add(newValue);
        _count++;
    }


    public void cleanup() {
    }
}