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UrlsController/src/main/java/eu/openaire/urls_controller/util/UriBuilder.java

61 lines
2.0 KiB
Java

package eu.openaire.urls_controller.util;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.env.Environment;
import java.net.InetAddress;
public class UriBuilder {
private static final Logger logger = LoggerFactory.getLogger(UriBuilder.class);
public static String baseUrl = null;
public UriBuilder(Environment environment) {
baseUrl = "http";
String sslEnabled = environment.getProperty("server.ssl.enabled");
if (sslEnabled == null) { // It's expected to not exist if there is no SSL-configuration.
logger.warn("No property \"server.ssl.enabled\" was found in \"application.properties\". Continuing with plain HTTP..");
sslEnabled = "false";
}
baseUrl += sslEnabled.equals("true") ? "s" : "";
baseUrl += "://";
String hostName = InetAddress.getLoopbackAddress().getHostName(); // Non-null.
baseUrl += hostName;
String serverPort = environment.getProperty("server.port");
if (serverPort == null) { // This is unacceptable!
logger.error("No property \"server.port\" was found in \"application.properties\"!");
System.exit(-1); // Well, I guess the Spring Boot would not start in this case anyway.
}
baseUrl += ":" + serverPort;
String baseInternalPath = environment.getProperty("server.servlet.context-path");
if (baseInternalPath != null) {
if (!baseInternalPath.startsWith("/"))
baseUrl += "/";
baseUrl += baseInternalPath;
if (!baseInternalPath.endsWith("/"))
baseUrl += "/";
} else {
logger.warn("No property \"server.servlet.context-path\" was found in \"application.properties\"!"); // Yes it's expected.
baseUrl += "/";
}
logger.debug("ServerBaseURL: " + baseUrl);
}
public static String getBaseUrl() {
return baseUrl;
}
public static void setBaseUrl(String baseUrl) {
UriBuilder.baseUrl = baseUrl;
}
}