/*
* ====================================================================
* 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
* .
*
*/
package org.apache.hc.core5.http.io.entity;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpEntity;
import org.apache.hc.core5.function.Supplier;
import org.apache.hc.core5.util.Args;
/**
* Wrapping entity that also includes trailers.
*
* @since 5.0
*/
public class HttpEntityWithTrailers implements HttpEntity {
private final HttpEntity wrappedEntity;
private final List trailers;
/**
* Creates a new entity wrapper.
*/
public HttpEntityWithTrailers(final HttpEntity wrappedEntity, final Header... trailers) {
super();
this.wrappedEntity = Args.notNull(wrappedEntity, "Wrapped entity");
this.trailers = Arrays.asList(trailers);
}
@Override
public boolean isRepeatable() {
return wrappedEntity.isRepeatable();
}
@Override
public boolean isChunked() {
return true;
}
@Override
public long getContentLength() {
return wrappedEntity.getContentLength();
}
@Override
public String getContentType() {
return wrappedEntity.getContentType();
}
@Override
public String getContentEncoding() {
return wrappedEntity.getContentEncoding();
}
@Override
public InputStream getContent()
throws IOException {
return wrappedEntity.getContent();
}
@Override
public void writeTo(final OutputStream outstream)
throws IOException {
wrappedEntity.writeTo(outstream);
}
@Override
public boolean isStreaming() {
return wrappedEntity.isStreaming();
}
@Override
public Supplier> getTrailers() {
return new Supplier>() {
@Override
public List extends Header> get() {
return trailers;
}
};
}
@Override
public Set getTrailerNames() {
final Set names = new LinkedHashSet<>();
for (final Header trailer: trailers) {
names.add(trailer.getName());
}
return names;
}
@Override
public void close() throws IOException {
wrappedEntity.close();
}
}