| /* |
| * 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 org.apache.giraph.writable.kryo; |
| |
| import java.io.DataInput; |
| import java.io.EOFException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * Thin wrapper around DataInput so it can be used as an |
| * {@link java.io.InputStream} |
| * |
| * For use with {@link com.esotericsoftware.kryo.io.Input} |
| */ |
| public class DataInputWrapperStream extends InputStream { |
| /** Wrapped DataInput object */ |
| private DataInput in; |
| |
| public void setDataInput(DataInput in) { |
| this.in = in; |
| } |
| |
| @Override |
| public int read() throws IOException { |
| try { |
| return in.readByte() & 0xFF; |
| } catch (EOFException e) { |
| throw new RuntimeException( |
| "Chunked input should never read more than chunked output wrote", e); |
| } |
| } |
| |
| @Override |
| public int read(byte[] b, int off, int len) throws IOException { |
| try { |
| in.readFully(b, off, len); |
| return len; |
| } catch (EOFException e) { |
| throw new RuntimeException( |
| "Chunked input should never read more than chunked output wrote", e); |
| } |
| } |
| } |