/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* Abstract base class for fast charset providers.
*
* @author Mark Reinhold
*/
public class FastCharsetProvider
extends CharsetProvider
{
// Maps canonical names to class names
// Maps alias names to canonical names
// Maps canonical names to cached instances
{
packagePrefix = pp;
cache = c;
}
}
// Private ASCII-only version, optimized for interpretation during startup
//
int n = s.length();
boolean allLower = true;
for (int i = 0; i < n; i++) {
int c = s.charAt(i);
if (((c - 'A') | ('Z' - c)) >= 0) {
allLower = false;
break;
}
}
if (allLower)
return s;
char[] ca = new char[n];
for (int i = 0; i < n; i++) {
int c = s.charAt(i);
if (((c - 'A') | ('Z' - c)) >= 0)
ca[i] = (char)(c + 0x20);
else
ca[i] = (char)c;
}
}
// Check cache first
return cs;
// Do we even support this charset?
return null;
return cs;
}
// Instantiate the charset and cache it
try {
true,
this.getClass().getClassLoader());
return cs;
} catch (ClassNotFoundException x) {
return null;
} catch (IllegalAccessException x) {
return null;
} catch (InstantiationException x) {
return null;
}
}
synchronized (this) {
}
}
public boolean hasNext() {
return i.hasNext();
}
}
public void remove() {
throw new UnsupportedOperationException();
}
};
}
}