| /* |
| * ==================================================================== |
| * 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| |
| package org.apache.hc.core5.http.io.entity; |
| |
| import java.io.InputStream; |
| |
| /** |
| * @since 5.1 |
| */ |
| public final class EmptyInputStream extends InputStream { |
| |
| public static final EmptyInputStream INSTANCE = new EmptyInputStream(); |
| |
| private EmptyInputStream() { |
| // noop. |
| } |
| |
| /** |
| * Returns {@code 0}. |
| */ |
| @Override |
| public int available() { |
| return 0; |
| } |
| |
| /** |
| * Noop. |
| */ |
| @Override |
| public void close() { |
| // noop. |
| } |
| |
| /** |
| * Noop. |
| */ |
| @SuppressWarnings("sync-override") |
| @Override |
| public void mark(final int readLimit) { |
| // noop. |
| } |
| |
| /** |
| * Returns {@code true}. |
| */ |
| @Override |
| public boolean markSupported() { |
| return true; |
| } |
| |
| /** |
| * Returns {@code -1}. |
| */ |
| @Override |
| public int read() { |
| return -1; |
| } |
| |
| /** |
| * Returns {@code -1}. |
| */ |
| @Override |
| public int read(final byte[] buf) { |
| return -1; |
| } |
| |
| /** |
| * Returns {@code -1}. |
| */ |
| @Override |
| public int read(final byte[] buf, final int off, final int len) { |
| return -1; |
| } |
| |
| /** |
| * Noop. |
| */ |
| @SuppressWarnings("sync-override") |
| @Override |
| public void reset() { |
| // noop |
| } |
| |
| /** |
| * Returns {@code 0}. |
| */ |
| @Override |
| public long skip(final long n) { |
| return 0L; |
| } |
| } |
| |