org.springframework.boot.devtools.env.DevToolsHomePropertiesPostProcessor Maven / Gradle / Ivy
/*
* Copyright 2012-2017 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.devtools.env;
import java.io.File;
import java.io.IOException;
import java.util.Properties;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.PropertiesPropertySource;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.support.PropertiesLoaderUtils;
import org.springframework.util.StringUtils;
/**
* {@link EnvironmentPostProcessor} to add devtools properties from the user's home
* folder.
*
* @author Phillip Webb
* @author Andy Wilkinson
* @since 1.3.0
*/
public class DevToolsHomePropertiesPostProcessor implements EnvironmentPostProcessor {
private static final String FILE_NAME = ".spring-boot-devtools.properties";
@Override
public void postProcessEnvironment(ConfigurableEnvironment environment,
SpringApplication application) {
File home = getHomeFolder();
File propertyFile = (home == null ? null : new File(home, FILE_NAME));
if (propertyFile != null && propertyFile.exists() && propertyFile.isFile()) {
FileSystemResource resource = new FileSystemResource(propertyFile);
Properties properties;
try {
properties = PropertiesLoaderUtils.loadProperties(resource);
environment.getPropertySources().addFirst(
new PropertiesPropertySource("devtools-local", properties));
}
catch (IOException ex) {
throw new IllegalStateException("Unable to load " + FILE_NAME, ex);
}
}
}
protected File getHomeFolder() {
String home = System.getProperty("user.home");
if (StringUtils.hasLength(home)) {
return new File(home);
}
return null;
}
}