org.springframework.boot.env.YamlPropertySourceLoader Maven / Gradle / Ivy
/*
* Copyright 2012-2014 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
*
* 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.springframework.boot.env;
import java.io.IOException;
import java.util.Properties;
import org.springframework.boot.yaml.SpringProfileDocumentMatcher;
import org.springframework.boot.yaml.YamlPropertiesFactoryBean;
import org.springframework.core.env.PropertiesPropertySource;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.Resource;
import org.springframework.util.ClassUtils;
/**
* Strategy to load '.yml' (or '.yaml') files into a {@link PropertySource}.
*
* @author Dave Syer
* @author Phillip Webb
*/
public class YamlPropertySourceLoader implements PropertySourceLoader {
@Override
public String[] getFileExtensions() {
return new String[] { "yml", "yaml" };
}
@Override
public PropertySource load(String name, Resource resource, String profile)
throws IOException {
if (ClassUtils.isPresent("org.yaml.snakeyaml.Yaml", null)) {
YamlPropertiesFactoryBean factory = new YamlPropertiesFactoryBean();
if (profile == null) {
factory.setMatchDefault(true);
factory.setDocumentMatchers(new SpringProfileDocumentMatcher());
}
else {
factory.setMatchDefault(false);
factory.setDocumentMatchers(new SpringProfileDocumentMatcher(profile));
}
factory.setResources(new Resource[] { resource });
Properties properties = factory.getObject();
if (!properties.isEmpty()) {
return new PropertiesPropertySource(name, properties);
}
}
return null;
}
}