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HttpComponents Client Source Code Files
HttpComponents Client Source Code Files are provided in the source package file, httpcomponents-client-5.2-src.zip.
You can download httpcomponents-client-5.2-src.zip as described in the previous tutorial and go to the "httpclient5/src" sub-folder to view Source Code files.
You can also browse HttpComponents Client Source Code below:
✍: FYIcenter.com
⏎ org/apache/hc/client5/http/entity/mime/MultipartEntityBuilder.java
/* * ==================================================================== * 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.client5.http.entity.mime; import java.io.File; import java.io.InputStream; import java.nio.CharBuffer; import java.nio.charset.Charset; import java.nio.charset.StandardCharsets; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.concurrent.ThreadLocalRandom; import org.apache.hc.core5.http.ContentType; import org.apache.hc.core5.http.HttpEntity; import org.apache.hc.core5.http.NameValuePair; import org.apache.hc.core5.http.message.BasicNameValuePair; import org.apache.hc.core5.util.Args; /** * Builder for multipart {@link HttpEntity}s. * * @since 5.0 */ public class MultipartEntityBuilder { /** * The pool of ASCII chars to be used for generating a multipart boundary. */ private final static char[] MULTIPART_CHARS = "-_1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" .toCharArray(); private ContentType contentType; private HttpMultipartMode mode = HttpMultipartMode.STRICT; private String boundary; private Charset charset; private List<MultipartPart> multipartParts; /** * An empty immutable {@code NameValuePair} array. */ private static final NameValuePair[] EMPTY_NAME_VALUE_ARRAY = {}; public static MultipartEntityBuilder create() { return new MultipartEntityBuilder(); } MultipartEntityBuilder() { } public MultipartEntityBuilder setMode(final HttpMultipartMode mode) { this.mode = mode; return this; } public MultipartEntityBuilder setLaxMode() { this.mode = HttpMultipartMode.LEGACY; return this; } public MultipartEntityBuilder setStrictMode() { this.mode = HttpMultipartMode.STRICT; return this; } public MultipartEntityBuilder setBoundary(final String boundary) { this.boundary = boundary; return this; } /** * @since 4.4 */ public MultipartEntityBuilder setMimeSubtype(final String subType) { Args.notBlank(subType, "MIME subtype"); this.contentType = ContentType.create("multipart/" + subType); return this; } /** * @since 4.5 */ public MultipartEntityBuilder setContentType(final ContentType contentType) { Args.notNull(contentType, "Content type"); this.contentType = contentType; return this; } /** * Add parameter to the current {@link ContentType}. * * @param parameter The name-value pair parameter to add to the {@link ContentType}. * @return the {@link MultipartEntityBuilder} instance. * @since 5.2 */ public MultipartEntityBuilder addParameter(final BasicNameValuePair parameter) { this.contentType = contentType.withParameters(parameter); return this; } public MultipartEntityBuilder setCharset(final Charset charset) { this.charset = charset; return this; } /** * @since 4.4 */ public MultipartEntityBuilder addPart(final MultipartPart multipartPart) { if (multipartPart == null) { return this; } if (this.multipartParts == null) { this.multipartParts = new ArrayList<>(); } this.multipartParts.add(multipartPart); return this; } public MultipartEntityBuilder addPart(final String name, final ContentBody contentBody) { Args.notNull(name, "Name"); Args.notNull(contentBody, "Content body"); return addPart(FormBodyPartBuilder.create(name, contentBody).build()); } public MultipartEntityBuilder addTextBody( final String name, final String text, final ContentType contentType) { return addPart(name, new StringBody(text, contentType)); } public MultipartEntityBuilder addTextBody( final String name, final String text) { return addTextBody(name, text, ContentType.DEFAULT_TEXT); } public MultipartEntityBuilder addBinaryBody( final String name, final byte[] b, final ContentType contentType, final String filename) { return addPart(name, new ByteArrayBody(b, contentType, filename)); } public MultipartEntityBuilder addBinaryBody( final String name, final byte[] b) { return addPart(name, new ByteArrayBody(b, ContentType.DEFAULT_BINARY)); } public MultipartEntityBuilder addBinaryBody( final String name, final File file, final ContentType contentType, final String filename) { return addPart(name, new FileBody(file, contentType, filename)); } public MultipartEntityBuilder addBinaryBody( final String name, final File file) { return addBinaryBody(name, file, ContentType.DEFAULT_BINARY, file != null ? file.getName() : null); } public MultipartEntityBuilder addBinaryBody( final String name, final InputStream stream, final ContentType contentType, final String filename) { return addPart(name, new InputStreamBody(stream, contentType, filename)); } public MultipartEntityBuilder addBinaryBody(final String name, final InputStream stream) { return addBinaryBody(name, stream, ContentType.DEFAULT_BINARY, null); } private String generateBoundary() { final ThreadLocalRandom rand = ThreadLocalRandom.current(); final int count = rand.nextInt(30, 41); // a random size from 30 to 40 final CharBuffer buffer = CharBuffer.allocate(count); while (buffer.hasRemaining()) { buffer.put(MULTIPART_CHARS[rand.nextInt(MULTIPART_CHARS.length)]); } buffer.flip(); return buffer.toString(); } MultipartFormEntity buildEntity() { String boundaryCopy = boundary; if (boundaryCopy == null && contentType != null) { boundaryCopy = contentType.getParameter("boundary"); } if (boundaryCopy == null) { boundaryCopy = generateBoundary(); } Charset charsetCopy = charset; if (charsetCopy == null && contentType != null) { charsetCopy = contentType.getCharset(); } final List<NameValuePair> paramsList = new ArrayList<>(2); paramsList.add(new BasicNameValuePair("boundary", boundaryCopy)); if (charsetCopy != null) { paramsList.add(new BasicNameValuePair("charset", charsetCopy.name())); } final NameValuePair[] params = paramsList.toArray(EMPTY_NAME_VALUE_ARRAY); final ContentType contentTypeCopy; if (contentType != null) { contentTypeCopy = contentType.withParameters(params); } else { boolean formData = false; if (multipartParts != null) { for (final MultipartPart multipartPart : multipartParts) { if (multipartPart instanceof FormBodyPart) { formData = true; break; } } } if (formData) { contentTypeCopy = ContentType.MULTIPART_FORM_DATA.withParameters(params); } else { contentTypeCopy = ContentType.create("multipart/mixed", params); } } final List<MultipartPart> multipartPartsCopy = multipartParts != null ? new ArrayList<>(multipartParts) : Collections.emptyList(); final HttpMultipartMode modeCopy = mode != null ? mode : HttpMultipartMode.STRICT; final AbstractMultipartFormat form; switch (modeCopy) { case LEGACY: form = new LegacyMultipart(charsetCopy, boundaryCopy, multipartPartsCopy); break; case EXTENDED: if (contentTypeCopy.isSameMimeType(ContentType.MULTIPART_FORM_DATA)) { if (charsetCopy == null) { charsetCopy = StandardCharsets.UTF_8; } form = new HttpRFC7578Multipart(charsetCopy, boundaryCopy, multipartPartsCopy); } else { form = new HttpRFC6532Multipart(charsetCopy, boundaryCopy, multipartPartsCopy); } break; default: form = new HttpStrictMultipart(StandardCharsets.US_ASCII, boundaryCopy, multipartPartsCopy); } return new MultipartFormEntity(form, contentTypeCopy, form.getTotalLength()); } public HttpEntity build() { return buildEntity(); } }
⏎ org/apache/hc/client5/http/entity/mime/MultipartEntityBuilder.java
Or download all them as a single archive file:
File name: httpclient5-5.2-fyi.zip File size: 625318 bytes Release date: 2022-11-10 Download
⇒ Download and Install HttpComponents Core Binary Package
⇐ Download and Install HttpComponents Client Source Package
2023-03-26, 20611👍, 1💬
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