/**
* Read a cookie
*
* @param name The name of the cookie
* @return The value of the cookie, if the cookie does not exist it will return an empty string
*/
protected String getCookie(String name) {
/*
** get a specific cookie by its name, parse the cookie.
** not used in this Applet but can be useful
*/
String myCookie = getCookie();
String search = name + "=";
if (myCookie.length() > 0) {
int offset = myCookie.indexOf(search);
if (offset != -1) {
offset += search.length();
int end = myCookie.indexOf(";", offset);
if (end == -1) {
end = myCookie.length();
}
Log.println(this, "get: " + myCookie.substring(offset, end));
if (!myCookie.substring(offset, end).equals(" ")) {
return myCookie.substring(offset, end);
} else {
return "";
}
} else Log.println(this, "Did not find cookie: " + name);
}
return "";
}
/**
* Write a cookie
*
* @param name The name of the cookie
* @param value The value to write
*/
protected void setCookie(String name, String value) {
value = cleanValue(value);
/*
** write a cookie
** computes the expiration date, good for 1 month
*/
java.util.Calendar c = java.util.Calendar.getInstance();
c.add(java.util.Calendar.YEAR, 1);
String expires = "; expires=" + c.getTime().toString();
String s1 = name + "=" + value + expires;
Log.println(this, s1);
try {
JSObject myBrowser = JSObject.getWindow(applet);
JSObject myDocument = (JSObject) myBrowser.getMember("document");
myDocument.setMember("cookie", s1);
Log.println(this, "set:" + s1);
} catch (JSException e) {
e.printStackTrace();
}
}
/**
* Delete a cookie
*
* @param name The name of the cookie
*/
protected void deleteCookie(String name) {
setCookie(name, " ");
/*
** delete a cookie, set the expiration in the past
*/
java.util.Calendar c = java.util.Calendar.getInstance();
c.add(java.util.Calendar.MONTH, -1);
String expires = "; expires=" + c.getTime().toString();
String s1 = name + expires;
try {
JSObject myBrowser = JSObject.getWindow(applet);
JSObject myDocument = (JSObject) myBrowser.getMember("document");
Log.println(this, "del: " + s1);
myDocument.setMember("cookie", s1);
} catch (JSException e) {
e.printStackTrace();
}
}
