| /* 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.lang; |
| |
| import java.io.IOException; |
| import java.nio.CharBuffer; |
| |
| /** |
| * Represents a sequence of characters that can be incrementally read (copied) |
| * into a {@link CharBuffer}. |
| */ |
| public interface Readable { |
| |
| /** |
| * Reads characters into the specified {@code CharBuffer}. The maximum |
| * number of characters read is {@code CharBuffer.remaining()}. |
| * |
| * @param cb |
| * the buffer to be filled with characters read. |
| * @return the number of characters actually read, or -1 if this |
| * {@code Readable} reaches its end |
| * @throws IOException |
| * if an I/O error occurs. |
| */ |
| int read(CharBuffer cb) throws IOException; |
| } |