java.nio.charset.spi.CharsetProvider Maven / Gradle / Ivy
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.nio.charset.spi;
import java.nio.charset.Charset;
import java.util.Iterator;
/**
* The service provider class for character sets.
*/
public abstract class CharsetProvider {
/**
* Constructor for subclassing with concrete types.
*/
protected CharsetProvider() {
}
/**
* Returns an iterator over all the available charsets.
*
* @return the iterator.
*/
public abstract Iterator charsets();
/**
* Returns the named charset.
*
* If the charset is unavailable the method returns null.
*
*
* @param charsetName
* the canonical or alias name of a character set.
* @return the charset, or null if unavailable.
*/
public abstract Charset charsetForName(String charsetName);
}