/*
 * Copyright 2012-present the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.boot.logging.logback;

import ch.qos.logback.core.joran.action.BaseModelAction;
import ch.qos.logback.core.joran.spi.SaxEventInterpretationContext;
import ch.qos.logback.core.model.Model;
import org.xml.sax.Attributes;

/**
 * Logback {@link BaseModelAction} for {@code <springProperty>} tags. Allows Logback
 * properties to be sourced from the Spring environment.
 *
 * @author Phillip Webb
 * @author Eddú Meléndez
 * @author Madhura Bhave
 * @author Andy Wilkinson
 * @see SpringPropertyModel
 * @see SpringPropertyModelHandler
 */
class SpringPropertyAction extends BaseModelAction {

	private static final String SOURCE_ATTRIBUTE = "source";

	private static final String DEFAULT_VALUE_ATTRIBUTE = "defaultValue";

	@Override
	protected Model buildCurrentModel(SaxEventInterpretationContext interpretationContext, String name,
			Attributes attributes) {
		SpringPropertyModel model = new SpringPropertyModel();
		model.setName(attributes.getValue(NAME_ATTRIBUTE));
		model.setSource(attributes.getValue(SOURCE_ATTRIBUTE));
		model.setScope(attributes.getValue(SCOPE_ATTRIBUTE));
		model.setDefaultValue(attributes.getValue(DEFAULT_VALUE_ATTRIBUTE));
		return model;
	}

}
