org.springframework.boot.autoconfigure.h2.H2ServerProperties Maven / Gradle / Ivy
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/*
* Copyright 2017-2018 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.autoconfigure.h2;
import java.io.IOException;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.List;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.util.SocketUtils;
import org.springframework.util.StringUtils;
import lombok.Data;
/**
* H2 server properties
*/
@ConfigurationProperties(H2ServerProperties.PREFIX)
@Data
public class H2ServerProperties {
/**
* Prefix
*/
public static final String PREFIX = "spring.h2.server";
/**
* Port
*/
private int port;
/**
* Base directory
*/
private String baseDir;
/**
* Allow others
*/
private boolean allowOthers;
/**
* Daemon
*/
private boolean daemon = true;
/**
* Create arguments
*
* @return arguments
*/
public String[] createArguments() {
List args = new ArrayList<>();
args.add("-tcp");
args.add("-tcpPort");
args.add(String.valueOf(this.determinePort()));
args.add("-baseDir");
args.add(this.determineBaseDir());
if (this.allowOthers) {
args.add("-tcpAllowOthers");
}
if (this.daemon) {
args.add("-tcpDaemon");
}
return args.toArray(new String[0]);
}
/**
* Determine port
*
* @return port
* @throws IllegalStateException if failed to determine
*/
protected int determinePort() throws IllegalStateException {
if (this.port != 0) {
return this.port;
}
return SocketUtils.findAvailableTcpPort();
}
/**
* Determine base directory
*
* @return base directory
* @throws IllegalStateException if failed to determine
*/
protected String determineBaseDir() throws IllegalStateException {
if (StringUtils.hasText(this.baseDir)) {
return this.baseDir;
}
try {
return Files.createTempDirectory("H2-").toString();
}
catch (IOException e) {
throw new IllegalStateException("Failed to determine base directory", e);
}
}
}