| /* |
| * ==================================================================== |
| * 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.nio.entity; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.CharBuffer; |
| import java.nio.charset.Charset; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.hc.core5.function.Callback; |
| import org.apache.hc.core5.http.ContentType; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.NameValuePair; |
| import org.apache.hc.core5.http.nio.AsyncEntityProducer; |
| import org.apache.hc.core5.http.nio.DataStreamChannel; |
| import org.apache.hc.core5.http.nio.StreamChannel; |
| import org.apache.hc.core5.net.WWWFormCodec; |
| |
| /** |
| * {AsyncEntityProducer} factory methods. |
| * |
| * @since 5.0 |
| */ |
| public final class AsyncEntityProducers { |
| |
| private AsyncEntityProducers() { |
| } |
| |
| public static AsyncEntityProducer create(final String content, final ContentType contentType) { |
| return new BasicAsyncEntityProducer(content, contentType); |
| } |
| |
| public static AsyncEntityProducer create(final String content, final Charset charset) { |
| return new BasicAsyncEntityProducer(content, ContentType.TEXT_PLAIN.withCharset(charset)); |
| } |
| |
| public static AsyncEntityProducer create(final String content) { |
| return new BasicAsyncEntityProducer(content, ContentType.TEXT_PLAIN); |
| } |
| |
| public static AsyncEntityProducer create(final byte[] content, final ContentType contentType) { |
| return new BasicAsyncEntityProducer(content, contentType); |
| } |
| |
| public static AsyncEntityProducer create(final File content, final ContentType contentType) { |
| return new FileEntityProducer(content, contentType); |
| } |
| |
| public static AsyncEntityProducer createUrlEncoded( |
| final Iterable <? extends NameValuePair> parameters, final Charset charset) { |
| final ContentType contentType = charset != null ? |
| ContentType.APPLICATION_FORM_URLENCODED.withCharset(charset) : |
| ContentType.APPLICATION_FORM_URLENCODED; |
| return create(WWWFormCodec.format(parameters, contentType.getCharset()), contentType); |
| } |
| |
| public static AsyncEntityProducer createBinary( |
| final Callback<StreamChannel<ByteBuffer>> callback, |
| final ContentType contentType) { |
| return new AbstractBinAsyncEntityProducer(0, contentType) { |
| |
| @Override |
| protected int availableData() { |
| return Integer.MAX_VALUE; |
| } |
| |
| @Override |
| protected void produceData(final StreamChannel<ByteBuffer> channel) throws IOException { |
| callback.execute(channel); |
| } |
| |
| @Override |
| public boolean isRepeatable() { |
| return false; |
| } |
| |
| @Override |
| public void failed(final Exception cause) { |
| } |
| |
| }; |
| } |
| |
| public static AsyncEntityProducer createText( |
| final Callback<StreamChannel<CharBuffer>> callback, |
| final ContentType contentType) { |
| return new AbstractCharAsyncEntityProducer(4096, 2048, contentType) { |
| |
| @Override |
| protected int availableData() { |
| return Integer.MAX_VALUE; |
| } |
| |
| @Override |
| protected void produceData(final StreamChannel<CharBuffer> channel) throws IOException { |
| callback.execute(channel); |
| } |
| |
| @Override |
| public boolean isRepeatable() { |
| return false; |
| } |
| |
| @Override |
| public void failed(final Exception cause) { |
| } |
| |
| }; |
| } |
| |
| public static AsyncEntityProducer withTrailers(final AsyncEntityProducer entity, final Header... trailers) { |
| return new AsyncEntityProducerWrapper(entity) { |
| |
| @Override |
| public boolean isChunked() { |
| // Must be chunk coded |
| return true; |
| } |
| |
| @Override |
| public long getContentLength() { |
| return -1; |
| } |
| |
| @Override |
| public Set<String> getTrailerNames() { |
| final Set<String> names = new LinkedHashSet<>(); |
| for (final Header trailer: trailers) { |
| names.add(trailer.getName()); |
| } |
| return names; |
| } |
| |
| @Override |
| public void produce(final DataStreamChannel channel) throws IOException { |
| super.produce(new DataStreamChannel() { |
| |
| @Override |
| public void requestOutput() { |
| channel.requestOutput(); |
| } |
| |
| @Override |
| public int write(final ByteBuffer src) throws IOException { |
| return channel.write(src); |
| } |
| |
| @Override |
| public void endStream(final List<? extends Header> p) throws IOException { |
| final List<Header> allTrailers; |
| if (p != null && !p.isEmpty()) { |
| allTrailers = new ArrayList<>(p); |
| allTrailers.addAll(Arrays.asList(trailers)); |
| } else { |
| allTrailers = Arrays.asList(trailers); |
| } |
| channel.endStream(allTrailers); |
| } |
| |
| @Override |
| public void endStream() throws IOException { |
| channel.endStream(); |
| } |
| |
| }); |
| } |
| }; |
| } |
| |
| public static AsyncEntityProducer create(final String content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| public static AsyncEntityProducer create(final String content, final Charset charset, final Header... trailers) { |
| return withTrailers(create(content, charset), trailers); |
| } |
| |
| public static AsyncEntityProducer create(final String content, final Header... trailers) { |
| return withTrailers(create(content), trailers); |
| } |
| |
| public static AsyncEntityProducer create(final byte[] content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| public static AsyncEntityProducer create(final File content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| public static AsyncEntityProducer createBinary( |
| final Callback<StreamChannel<ByteBuffer>> callback, |
| final ContentType contentType, |
| final Header... trailers) { |
| return withTrailers(createBinary(callback, contentType), trailers); |
| } |
| |
| public static AsyncEntityProducer createText( |
| final Callback<StreamChannel<CharBuffer>> callback, |
| final ContentType contentType, |
| final Header... trailers) { |
| return withTrailers(createText(callback, contentType), trailers); |
| } |
| |
| } |