| /* |
| * ==================================================================== |
| * 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.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| import java.nio.charset.Charset; |
| import java.nio.file.Path; |
| import java.util.Arrays; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.zip.GZIPOutputStream; |
| |
| import org.apache.hc.core5.function.Supplier; |
| import org.apache.hc.core5.http.ContentType; |
| import org.apache.hc.core5.http.Header; |
| import org.apache.hc.core5.http.HttpEntity; |
| import org.apache.hc.core5.http.NameValuePair; |
| import org.apache.hc.core5.io.IOCallback; |
| import org.apache.hc.core5.net.WWWFormCodec; |
| import org.apache.hc.core5.util.Args; |
| |
| /** |
| * {HttpEntity} factory methods. |
| * |
| * @since 5.0 |
| */ |
| public final class HttpEntities { |
| |
| private HttpEntities() { |
| } |
| |
| public static HttpEntity create(final String content, final ContentType contentType) { |
| return new StringEntity(content, contentType); |
| } |
| |
| public static HttpEntity create(final String content, final Charset charset) { |
| return new StringEntity(content, ContentType.TEXT_PLAIN.withCharset(charset)); |
| } |
| |
| public static HttpEntity create(final String content) { |
| return new StringEntity(content, ContentType.TEXT_PLAIN); |
| } |
| |
| public static HttpEntity create(final byte[] content, final ContentType contentType) { |
| return new ByteArrayEntity(content, contentType); |
| } |
| |
| public static HttpEntity create(final File content, final ContentType contentType) { |
| return new FileEntity(content, contentType); |
| } |
| |
| public static HttpEntity create(final Serializable serializable, final ContentType contentType) { |
| return new SerializableEntity(serializable, contentType); |
| } |
| |
| public static HttpEntity 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 HttpEntity create(final IOCallback<OutputStream> callback, final ContentType contentType) { |
| return new EntityTemplate(-1, contentType, null, callback); |
| } |
| |
| public static HttpEntity gzip(final HttpEntity entity) { |
| return new HttpEntityWrapper(entity) { |
| |
| @Override |
| public String getContentEncoding() { |
| return "gzip"; |
| } |
| |
| @Override |
| public long getContentLength() { |
| return -1; |
| } |
| |
| @Override |
| public InputStream getContent() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void writeTo(final OutputStream outStream) throws IOException { |
| Args.notNull(outStream, "Output stream"); |
| final GZIPOutputStream gzip = new GZIPOutputStream(outStream); |
| super.writeTo(gzip); |
| // Only close output stream if the wrapped entity has been |
| // successfully written out |
| gzip.close(); |
| } |
| |
| }; |
| } |
| |
| public static HttpEntity createGzipped(final String content, final ContentType contentType) { |
| return gzip(create(content, contentType)); |
| } |
| |
| public static HttpEntity createGzipped(final String content, final Charset charset) { |
| return gzip(create(content, charset)); |
| } |
| |
| public static HttpEntity createGzipped(final String content) { |
| return gzip(create(content)); |
| } |
| |
| public static HttpEntity createGzipped(final byte[] content, final ContentType contentType) { |
| return gzip(create(content, contentType)); |
| } |
| |
| public static HttpEntity createGzipped(final File content, final ContentType contentType) { |
| return gzip(create(content, contentType)); |
| } |
| |
| public static HttpEntity createGzipped(final Serializable serializable, final ContentType contentType) { |
| return gzip(create(serializable, contentType)); |
| } |
| |
| public static HttpEntity createGzipped(final IOCallback<OutputStream> callback, final ContentType contentType) { |
| return gzip(create(callback, contentType)); |
| } |
| |
| public static HttpEntity createGzipped(final Path content, final ContentType contentType) { |
| return gzip(create(content, contentType)); |
| } |
| |
| public static HttpEntity withTrailers(final HttpEntity entity, final Header... trailers) { |
| return new HttpEntityWrapper(entity) { |
| |
| @Override |
| public boolean isChunked() { |
| // Must be chunk coded |
| return true; |
| } |
| |
| @Override |
| public long getContentLength() { |
| return -1; |
| } |
| |
| @Override |
| public Supplier<List<? extends Header>> getTrailers() { |
| return () -> Arrays.asList(trailers); |
| } |
| |
| @Override |
| public Set<String> getTrailerNames() { |
| final Set<String> names = new LinkedHashSet<>(); |
| for (final Header trailer: trailers) { |
| names.add(trailer.getName()); |
| } |
| return names; |
| } |
| |
| }; |
| } |
| |
| public static HttpEntity create(final String content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| public static HttpEntity create(final String content, final Charset charset, final Header... trailers) { |
| return withTrailers(create(content, charset), trailers); |
| } |
| |
| public static HttpEntity create(final String content, final Header... trailers) { |
| return withTrailers(create(content), trailers); |
| } |
| |
| public static HttpEntity create(final byte[] content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| public static HttpEntity create(final File content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| public static HttpEntity create( |
| final Serializable serializable, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(serializable, contentType), trailers); |
| } |
| |
| public static HttpEntity create( |
| final IOCallback<OutputStream> callback, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(callback, contentType), trailers); |
| } |
| |
| public static HttpEntity create(final Path content, final ContentType contentType) { |
| return new PathEntity(content, contentType); |
| } |
| |
| public static HttpEntity create(final Path content, final ContentType contentType, final Header... trailers) { |
| return withTrailers(create(content, contentType), trailers); |
| } |
| |
| } |