| // *************************************************************************************************************************** |
| // * 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.encoders; |
| |
| import static org.apache.juneau.internal.CollectionUtils.*; |
| import static org.apache.juneau.internal.ClassUtils.*; |
| |
| import java.util.*; |
| |
| import org.apache.juneau.internal.*; |
| |
| /** |
| * Builder class for creating instances of {@link EncoderGroup}. |
| */ |
| public class EncoderGroupBuilder { |
| |
| private final List<Encoder> encoders; |
| |
| /** |
| * Create an empty encoder group builder. |
| */ |
| public EncoderGroupBuilder() { |
| this.encoders = new ArrayList<>(); |
| } |
| |
| /** |
| * Clone an existing encoder group builder. |
| * |
| * @param copyFrom The encoder group that we're copying settings and encoders from. |
| */ |
| public EncoderGroupBuilder(EncoderGroup copyFrom) { |
| this.encoders = new ArrayList<>(); |
| addReverse(encoders, copyFrom.getEncoders()); |
| } |
| |
| /** |
| * Registers the specified encoders with this group. |
| * |
| * @param e The encoders to append to this group. |
| * @return This object (for method chaining). |
| */ |
| public EncoderGroupBuilder append(Class<?>...e) { |
| for (int i = e.length-1; i >= 0; i--) |
| encoders.add(castOrCreate(Encoder.class, e[i])); |
| return this; |
| } |
| |
| /** |
| * Registers the specified encoders with this group. |
| * |
| * @param e The encoders to append to this group. |
| * @return This object (for method chaining). |
| */ |
| public EncoderGroupBuilder append(Encoder...e) { |
| addReverse(encoders, e); |
| return this; |
| } |
| |
| /** |
| * Registers the specified encoders with this group. |
| * |
| * @param e The encoders to append to this group. |
| * @return This object (for method chaining). |
| */ |
| public EncoderGroupBuilder append(List<Encoder> e) { |
| addReverse(encoders, e); |
| return this; |
| } |
| |
| /** |
| * Registers the encoders in the specified group with this group. |
| * |
| * @param eg The encoders to append to this group. |
| * @return This object (for method chaining). |
| */ |
| public EncoderGroupBuilder append(EncoderGroup eg) { |
| append(eg.getEncoders()); |
| return this; |
| } |
| |
| /** |
| * Creates a new {@link EncoderGroup} object using a snapshot of the settings defined in this builder. |
| * |
| * <p> |
| * This method can be called multiple times to produce multiple encoder groups. |
| * |
| * @return A new {@link EncoderGroup} object. |
| */ |
| public EncoderGroup build() { |
| List<Encoder> l = new ArrayList<>(); |
| for (Object e : encoders) |
| l.add(castOrCreate(Encoder.class, e)); |
| return new EncoderGroup(ArrayUtils.toReverseArray(Encoder.class, l)); |
| } |
| } |