Smack/smack-extensions/src/main/java/org/jivesoftware/smackx/xdata/SingleValueFormField.java

49 lines
1.4 KiB
Java

/**
*
* Copyright 2020 Florian Schmaus.
*
* Licensed 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.jivesoftware.smackx.xdata;
import java.util.Collections;
import java.util.List;
public abstract class SingleValueFormField extends FormField {
protected SingleValueFormField(Builder<?, ?> builder) {
super(builder);
}
@Override
public final List<CharSequence> getValues() {
CharSequence value = getValue();
if (value == null) {
return Collections.emptyList();
}
return Collections.singletonList(value);
}
public abstract CharSequence getValue();
@Override
protected void populateExtraXmlChildElements() {
CharSequence value = getValue();
if (value == null) {
return;
}
extraXmlChildElements = Collections.singletonList(new Value(value));
}
}