org.hibernate.validator.internal.xml.mapping.AbstractOneLineStringStaxBuilder Maven / Gradle / Ivy

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Hibernate's Bean Validation (JSR-380) reference implementation.

There is a newer version: 8.0.1.Final

/*
 * Hibernate Validator, declare and validate application constraints
 *
 * License: Apache License, Version 2.0
 * See the license.txt file in the root directory or .
 */
package org.hibernate.validator.internal.xml.mapping;

import java.util.Optional;

import javax.xml.stream.XMLEventReader;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.XMLEvent;

import org.hibernate.validator.internal.xml.AbstractStaxBuilder;

/**
 * An abstract builder to be used for reading simple string element that can
 * occur only once in a given block, e.g. {@code } or {@code }.
 *
 * @author Marko Bekhta
 */
abstract class AbstractOneLineStringStaxBuilder extends AbstractStaxBuilder {

	private String value;

	@Override
	protected void add(XMLEventReader xmlEventReader, XMLEvent xmlEvent) throws XMLStreamException {
		this.value = readSingleElement( xmlEventReader );
	}

	public Optional build() {
		return Optional.ofNullable( value );
	}
}