| /* |
| * Copyright (C) 2014 Square, Inc. |
| * |
| * Licensed 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 com.squareup.okhttp; |
| |
| import com.squareup.okhttp.internal.Util; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import okio.BufferedSink; |
| import okio.ByteString; |
| import okio.Okio; |
| import okio.Source; |
| |
| public abstract class RequestBody { |
| /** Returns the Content-Type header for this body. */ |
| public abstract MediaType contentType(); |
| |
| /** |
| * Returns the number of bytes that will be written to {@code out} in a call |
| * to {@link #writeTo}, or -1 if that count is unknown. |
| */ |
| public long contentLength() throws IOException { |
| return -1; |
| } |
| |
| /** Writes the content of this request to {@code out}. */ |
| public abstract void writeTo(BufferedSink sink) throws IOException; |
| |
| /** |
| * Returns a new request body that transmits {@code content}. If {@code |
| * contentType} is non-null and lacks a charset, this will use UTF-8. |
| */ |
| public static RequestBody create(MediaType contentType, String content) { |
| Charset charset = Util.UTF_8; |
| if (contentType != null) { |
| charset = contentType.charset(); |
| if (charset == null) { |
| charset = Util.UTF_8; |
| contentType = MediaType.parse(contentType + "; charset=utf-8"); |
| } |
| } |
| byte[] bytes = content.getBytes(charset); |
| return create(contentType, bytes); |
| } |
| |
| /** Returns a new request body that transmits {@code content}. */ |
| public static RequestBody create(final MediaType contentType, final ByteString content) { |
| return new RequestBody() { |
| @Override public MediaType contentType() { |
| return contentType; |
| } |
| |
| @Override public long contentLength() throws IOException { |
| return content.size(); |
| } |
| |
| @Override public void writeTo(BufferedSink sink) throws IOException { |
| sink.write(content); |
| } |
| }; |
| } |
| |
| /** Returns a new request body that transmits {@code content}. */ |
| public static RequestBody create(final MediaType contentType, final byte[] content) { |
| return create(contentType, content, 0, content.length); |
| } |
| |
| /** Returns a new request body that transmits {@code content}. */ |
| public static RequestBody create(final MediaType contentType, final byte[] content, |
| final int offset, final int byteCount) { |
| if (content == null) throw new NullPointerException("content == null"); |
| Util.checkOffsetAndCount(content.length, offset, byteCount); |
| return new RequestBody() { |
| @Override public MediaType contentType() { |
| return contentType; |
| } |
| |
| @Override public long contentLength() { |
| return byteCount; |
| } |
| |
| @Override public void writeTo(BufferedSink sink) throws IOException { |
| sink.write(content, offset, byteCount); |
| } |
| }; |
| } |
| |
| /** Returns a new request body that transmits the content of {@code file}. */ |
| public static RequestBody create(final MediaType contentType, final File file) { |
| if (file == null) throw new NullPointerException("content == null"); |
| |
| return new RequestBody() { |
| @Override public MediaType contentType() { |
| return contentType; |
| } |
| |
| @Override public long contentLength() { |
| return file.length(); |
| } |
| |
| @Override public void writeTo(BufferedSink sink) throws IOException { |
| Source source = null; |
| try { |
| source = Okio.source(file); |
| sink.writeAll(source); |
| } finally { |
| Util.closeQuietly(source); |
| } |
| } |
| }; |
| } |
| } |