Java tutorial
// *************************************************************************************************************************** // * 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. * // *************************************************************************************************************************** package org.apache.juneau.rest.client; import java.util.*; import org.apache.http.*; import org.apache.http.client.entity.*; import org.apache.http.message.*; import org.apache.juneau.internal.*; import org.apache.juneau.serializer.*; import org.apache.juneau.urlencoding.*; /** * Convenience class for constructing instances of <code>List<NameValuePair></code> * for the {@link UrlEncodedFormEntity} class. * <p> * Instances of this method can be passed directly to the {@link RestClient#doPost(Object, Object)} method or * {@link RestCall#input(Object)} methods to perform URL-encoded form posts. * * <h5 class='section'>Example:</h5> * <p class='bcode'> * NameValuePairs params = <jk>new</jk> NameValuePairs() * .append(<js>"j_username"</js>, user) * .append(<js>"j_password"</js>, pw); * restClient.doPost(url, params).run(); * </p> */ public final class NameValuePairs extends LinkedList<NameValuePair> { private static final long serialVersionUID = 1L; /** * Appends the specified pair to the end of this list. * * @param pair The pair to append to this list. * @return This object (for method chaining). */ public NameValuePairs append(NameValuePair pair) { super.add(pair); return this; } /** * Appends the specified name/value pair to the end of this list. * <p> * The value is simply converted to a string using <code>toString()</code>, or <js>"null"</js> if <jk>null</jk>. * * @param name The pair name. * @param value The pair value. * @return This object (for method chaining). */ public NameValuePairs append(String name, Object value) { super.add(new BasicNameValuePair(name, StringUtils.toString(value))); return this; } /** * Appends the specified name/value pair to the end of this list. * <p> * The value is converted to UON notation using the {@link UrlEncodingSerializer} defined on the client. * * @param name The pair name. * @param value The pair value. * @param partSerializer The serializer to use for converting values to simple strings. * @return This object (for method chaining). */ public NameValuePairs append(String name, Object value, PartSerializer partSerializer) { super.add(new SerializedNameValuePair(name, value, partSerializer)); return this; } }