smartrequest.java

大象购物系统

package com.comm.upload;

import java.util.*;

public class SmartRequest {
    private Hashtable m_parameters;
    private int m_counter;

    SmartRequest() {
        m_parameters = new Hashtable();
        m_counter = 0;
    }

    protected void putParameter(String s, String s1) {
        if (s == null) {
            throw new IllegalArgumentException(
                    "The name of an element cannot be null.");
        }
        if (m_parameters.containsKey(s)) {
            Hashtable hashtable = (Hashtable) m_parameters.get(s);
            hashtable.put(new Integer(hashtable.size()), s1);
        } else {
            Hashtable hashtable1 = new Hashtable();
            hashtable1.put(new Integer(0), s1);
            m_parameters.put(s, hashtable1);
            m_counter++;
        }
    }

    public String getParameter(String s) {
        if (s == null) {
            throw new IllegalArgumentException(
                    "Form's name is invalid or does not exist (1305).");
        }
        Hashtable hashtable = (Hashtable) m_parameters.get(s);
        if (hashtable == null) {
            return null;
        } else {
            return (String) hashtable.get(new Integer(0));
        }
    }

    public Enumeration getParameterNames() {
        return m_parameters.keys();
    }

    public String[] getParameterValues(String s) {
        if (s == null) {
            throw new IllegalArgumentException(
                    "Form's name is invalid or does not exist (1305).");
        }
        Hashtable hashtable = (Hashtable) m_parameters.get(s);
        if (hashtable == null) {
            return null;
        }
        String as[] = new String[hashtable.size()];
        for (int i = 0; i < hashtable.size(); i++) {
            as[i] = (String) hashtable.get(new Integer(i));
        }
        return as;
    }
}