1 /* 2 * ==================================================================== 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * ==================================================================== 20 * 21 * This software consists of voluntary contributions made by many 22 * individuals on behalf of the Apache Software Foundation. For more 23 * information on the Apache Software Foundation, please see 24 * <http://www.apache.org/>. 25 * 26 */ 27 28 package org.apache.hc.client5.http.entity.mime; 29 30 import java.io.IOException; 31 import java.io.OutputStream; 32 import java.nio.charset.Charset; 33 import java.nio.charset.StandardCharsets; 34 import java.util.List; 35 36 class HttpRFC6532Multipart extends AbstractMultipartFormat { 37 38 private final List<MultipartPart> parts; 39 40 /** 41 * Constructs a new instance of {@code HttpRFC6532Multipart}. 42 * 43 * @param charset The charset to use for the message. 44 * @param boundary The boundary string to use for the message. 45 * @param parts The list of parts that make up the message. 46 * @param preamble The preamble to include at the beginning of the message, or {@code null} if none. 47 * @param epilogue The epilogue to include at the end of the message, or {@code null} if none. 48 */ 49 public HttpRFC6532Multipart( 50 final Charset charset, 51 final String boundary, 52 final List<MultipartPart> parts, 53 final String preamble, 54 final String epilogue) { 55 super(charset, boundary, preamble, epilogue); 56 this.parts = parts; 57 } 58 59 /** 60 * Constructs a new instance of {@code HttpRFC6532Multipart} with the given charset, boundary, and parts. 61 * 62 * @param charset the charset to use. 63 * @param boundary the boundary string to use. 64 * @param parts the list of parts to include in the multipart message. 65 */ 66 public HttpRFC6532Multipart( 67 final Charset charset, 68 final String boundary, 69 final List<MultipartPart> parts) { 70 this(charset,boundary,parts,null, null); 71 } 72 73 @Override 74 public List<MultipartPart> getParts() { 75 return this.parts; 76 } 77 78 @Override 79 protected void formatMultipartHeader( 80 final MultipartPart part, 81 final OutputStream out) throws IOException { 82 83 // For RFC6532, we output all fields with UTF-8 encoding. 84 final Header header = part.getHeader(); 85 for (final MimeField field: header) { 86 writeField(field, StandardCharsets.UTF_8, out); 87 } 88 } 89 90 }