com.google.api.client.http.protobuf.ProtoHttpContent Maven / Gradle / Ivy
/*
* Copyright (c) 2011 Google 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.google.api.client.http.protobuf;
import com.google.api.client.http.AbstractHttpContent;
import com.google.api.client.http.HttpMediaType;
import com.google.api.client.protobuf.ProtocolBuffers;
import com.google.api.client.util.Beta;
import com.google.api.client.util.Preconditions;
import com.google.protobuf.MessageLite;
import java.io.IOException;
import java.io.OutputStream;
/**
* {@link Beta}
* Serializes of a protocol buffer message to HTTP content.
*
* Sample usage:
*
*
* static HttpRequest buildPostRequest(
* HttpRequestFactory requestFactory, GenericUrl url, MessageLite message) throws IOException {
* return requestFactory.buildPostRequest(url, new ProtoHttpContent(message));
* }
*
*
* Implementation is not thread-safe.
*
* @since 1.5
* @author Yaniv Inbar
*/
@Beta
public class ProtoHttpContent extends AbstractHttpContent {
/** Message to serialize. */
private final MessageLite message;
/** @param message message to serialize */
public ProtoHttpContent(MessageLite message) {
super(ProtocolBuffers.CONTENT_TYPE);
this.message = Preconditions.checkNotNull(message);
}
@Override
public long getLength() throws IOException {
return message.getSerializedSize();
}
public void writeTo(OutputStream out) throws IOException {
message.writeTo(out);
out.flush();
}
/** Returns the message to serialize. */
public final MessageLite getMessage() {
return message;
}
@Override
public ProtoHttpContent setMediaType(HttpMediaType mediaType) {
return (ProtoHttpContent) super.setMediaType(mediaType);
}
}