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.core5.net; 29 30 import java.nio.charset.Charset; 31 import java.util.List; 32 33 import org.apache.hc.core5.http.NameValuePair; 34 35 /** 36 * {@code application/x-www-form-urlencoded} codec. 37 * 38 * @since 5.1 39 */ 40 public class WWWFormCodec { 41 42 private static final char QP_SEP_A = '&'; 43 44 /** 45 * Returns a list of {@link NameValuePair} parameters parsed 46 * from the {@code application/x-www-form-urlencoded} content. 47 * 48 * @param s input text. 49 * @param charset parameter charset. 50 * @return list of form parameters. 51 */ 52 public static List<NameValuePair> parse(final CharSequence s, final Charset charset) { 53 return URIBuilder.parseQuery(s, charset, true); 54 } 55 56 /** 57 * Formats the list of {@link NameValuePair} parameters into a {@code application/x-www-form-urlencoded} 58 * content. 59 * 60 * @param buf the content buffer 61 * @param params The from parameters. 62 * @param charset The encoding to use. 63 */ 64 public static void format( 65 final StringBuilder buf, final Iterable<? extends NameValuePair> params, final Charset charset) { 66 URIBuilder.formatQuery(buf, params, charset, true); 67 } 68 69 /** 70 * Formats the list of {@link NameValuePair} parameters into a {@code application/x-www-form-urlencoded} 71 * content string. 72 * 73 * @param params The from parameters. 74 * @param charset The encoding to use. 75 * @return content string 76 */ 77 public static String format(final Iterable<? extends NameValuePair> params, final Charset charset) { 78 final StringBuilder buf = new StringBuilder(); 79 URIBuilder.formatQuery(buf, params, charset, true); 80 return buf.toString(); 81 } 82 83 }