001/**
002 *
003 * Copyright 2020 Florian Schmaus
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.xdata;
018
019import java.util.ArrayList;
020import java.util.List;
021
022import org.jivesoftware.smack.util.CollectionUtil;
023
024public class ListSingleFormField  extends AbstractSingleStringValueFormField implements FormFieldWithOptions {
025
026    private final List<Option> options;
027
028    protected ListSingleFormField(Builder builder) {
029        super(builder);
030        options = CollectionUtil.cloneAndSeal(builder.options);
031    }
032
033    @Override
034    public List<Option> getOptions() {
035        return options;
036    }
037
038    public Builder asBuilder() {
039        return new Builder(this);
040    }
041
042    @Override
043    protected void populateExtraXmlChildElements() {
044        extraXmlChildElements = new ArrayList<>(1 + options.size());
045        CharSequence value = getValue();
046        if (value != null) {
047            extraXmlChildElements.add(new FormField.Value(value));
048        }
049
050        extraXmlChildElements.addAll(options);
051    }
052
053    public static final class Builder
054                    extends AbstractSingleStringValueFormField.Builder<ListSingleFormField, ListSingleFormField.Builder>
055                    implements FormFieldWithOptions.Builder<Builder> {
056
057        private List<Option> options;
058
059        private Builder(ListSingleFormField textSingleFormField) {
060            super(textSingleFormField);
061        }
062
063        Builder(String fieldName) {
064            super(fieldName, FormField.Type.list_single);
065        }
066
067        @Override
068        public Builder addOption(Option option) {
069            if (options == null) {
070                options = new ArrayList<>();
071            }
072            options.add(option);
073            return this;
074        }
075
076        @Override
077        public ListSingleFormField build() {
078            return new ListSingleFormField(this);
079        }
080
081        @Override
082        public Builder getThis() {
083            return this;
084        }
085    }
086
087}