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Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,11 @@

package co.elastic.clients.util;

// Copied verbatim from https://github.com/elastic/jvm-languages-sniffer
// Based on https://github.com/elastic/jvm-languages-sniffer

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Properties;

public class LanguageRuntimeVersions {

Expand Down Expand Up @@ -59,6 +60,11 @@ public static String getRuntimeMetadata() {
s.append(",jrb=").append(version);
}

version = springDataVersion();
if (version != null) {
s.append(",sde=").append(version);
}

return s.toString();
}

Expand Down Expand Up @@ -89,6 +95,18 @@ public static String jRubyVersion() {
return keepMajorMinor(getStaticField("org.jruby.runtime.Constants", "VERSION"));
}

public static String springDataVersion() {
// org.springframework.data.elasticsearch.support.VersionInfo.versionProperties()
Properties springProp = (Properties) callStaticMethodObject(
"org.springframework.data.elasticsearch.support.VersionInfo",
"versionProperties");
if (springProp != null) {
return keepMajorMinor(springProp.getProperty("version.spring-data-elasticsearch"));
}
return "";

}

private static String getStaticField(String className, String fieldName) {
Class<?> clazz;
try {
Expand Down Expand Up @@ -121,6 +139,22 @@ private static String callStaticMethod(String className, String methodName) {
}
}

private static Object callStaticMethodObject(String className, String methodName) {
Class<?> clazz;
try {
clazz = Class.forName(className);
} catch (ClassNotFoundException e) {
return null;
}

try {
Method m = clazz.getMethod(methodName);
return m.invoke(null);
} catch (Exception e) {
return null; // can't get version information
}
}

static String keepMajorMinor(String version) {
if (version == null) {
return null;
Expand Down