Class c;
SecurityManager sm = System.getSecurityManager();
// Step 1 -- Check for a previously loaded class
c = findLoadedClass(name);
if (c != null)
return c;
// Step 2 -- Check to make sure that we can access this class
if (sm != null) {
int i = name.lastIndexOf('.");
if (i >= 0)
sm.checkPackageAccess(name.substring(0, i));
}
// Step 3 -- Check for system class first
try {
c = findSystemClass(name);
return c;
} catch (ClassNotFoundException cnfe) {
// Not a system class, simply continue
}
// Step 4 -- Check to make sure that we can define this class
if (sm != null) {
int i = name.lastIndexOf('.");
if (i >= 0)
sm.checkPackageDefinition(name.substring(0, i));
}
// Step 5 -- Read in the class file
byte data[] = lookupData(name);
// Step 4 and 5 -- Define the class from the data; this also
// passes the data through the byte code verifier
c = defineClass(name, data, 0, data.length);
// Step 6 -- Resolve the internal references of the class
if (resolve)
resolveClass(c);
return c;
