/*
 * SecureAccessIcon.java
 * 
 * Copyright (c) 2003-2004 Digi International
 * This program and the information contained in it is confidential and
 * proprietary to Digi International and may not be used, copied, or re-
 * produced without the prior written permission of Digi International.
 * 
 */

package com.digi.config.ui;

import com.digi.config.util.*;
import javax.swing.*;
import java.net.*;

/** 
 * This class is an icon that indicates whether network communications is secure
 * or not (i.e. HTTPS vs. HTTP).
 */
public class SecureAccessIcon extends JLabel {
    private static final String HTTP_PROTOCOL = "http";
    private static final String HTTPS_PROTOCOL = "https";

    private boolean secure = false;
    private ImageIcon secureIcon = null;
    private ImageIcon unsecureIcon = null;
    String secureToolTip = null;
    String unsecureToolTip = null;

    /**
     * Default constructor. Default state is unsecure.
     */
    public SecureAccessIcon() {
        initialize();
        setSecure(false);
    }

    /**
     * Constructor that sets initial state.
     * @param secure if true display secure access icon, otherwise unsecure icon.
     */
    public SecureAccessIcon(boolean secure) {
        initialize();
        setSecure(secure);
    }

    /**
     * Constructor that sets initial state based on protocol in a URL string.
     * @param urlStr URL string used to determine protocol.
     * @throws MalformedURLException
     */
    public SecureAccessIcon(String urlStr) {
        initialize();
        setSecure(urlStr);
    }

    public void setSecure(boolean secure) {
        this.secure = secure;
        setIcon(this.secure ? secureIcon : unsecureIcon);
        setToolTipText(this.secure ? secureToolTip : unsecureToolTip);
        paintImmediately(getVisibleRect());
    }

    public void setSecure(String urlStr) {
        URL url = null;
        try {
            url = new URL(urlStr);
        } catch (MalformedURLException mue) {
            SystemLog.debug(urlStr+" is a bad URL. Showing unsecure icon.", mue);
        }

        if (url != null && url.getProtocol().equalsIgnoreCase(HTTPS_PROTOCOL)) {
            setSecure(true);
        } else {
            setSecure(false);
        }
    }

    public boolean isSecure() {
        return this.secure;
    }

    private void initialize() {
        secureIcon = ConfigResource.getImageRbIcon("SecureAccessImage");
        unsecureIcon = ConfigResource.getImageRbIcon("UnsecureAccessImage");
        secureToolTip = ConfigResource.getUiRbString("SecureAccessToolTip");
        unsecureToolTip = ConfigResource.getUiRbString("UnsecureAccessToolTip");
    }
}