From eacd7b79452f528f09e13cb073242f6db8d158e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EC=84=A0=EC=9A=B0?= <seonwoo960000@toss.im>
Date: Tue, 14 Jan 2025 20:08:13 +0900
Subject: [PATCH 1/2] Change bindings/java to support java 8

---
 .github/workflows/java.yml     |  2 +-
 bindings/java/build.gradle.kts | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/java.yml b/.github/workflows/java.yml
index 4a8b0310d..88e3a3976 100644
--- a/.github/workflows/java.yml
+++ b/.github/workflows/java.yml
@@ -32,7 +32,7 @@ jobs:
         uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '8'
 
       - name: Run Java tests
         run: make test
diff --git a/bindings/java/build.gradle.kts b/bindings/java/build.gradle.kts
index 9936bec60..48abcba05 100644
--- a/bindings/java/build.gradle.kts
+++ b/bindings/java/build.gradle.kts
@@ -4,15 +4,15 @@ import net.ltgt.gradle.errorprone.errorprone
 plugins {
     java
     application
-    id("net.ltgt.errorprone") version "4.1.0"
+    id("net.ltgt.errorprone") version "3.1.0"
 }
 
 group = "org.github.tursodatabase"
 version = "0.0.1-SNAPSHOT"
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
-    targetCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
 }
 
 repositories {
@@ -20,8 +20,8 @@ repositories {
 }
 
 dependencies {
-    errorprone("com.uber.nullaway:nullaway:0.12.3")
-    errorprone("com.google.errorprone:error_prone_core:2.36.0")
+    errorprone("com.uber.nullaway:nullaway:0.10.26") // maximum version which supports java 8
+    errorprone("com.google.errorprone:error_prone_core:2.11.0")
 
     testImplementation(platform("org.junit:junit-bom:5.10.0"))
     testImplementation("org.junit.jupiter:junit-jupiter")

From b3883d03d6b16b19fa7c1d03677957e48dab6657 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EC=84=A0=EC=9A=B0?= <seonwoo960000@toss.im>
Date: Tue, 14 Jan 2025 20:14:32 +0900
Subject: [PATCH 2/2] Apply necessary changes for java 8

---
 bindings/java/build.gradle.kts                                 | 2 +-
 .../main/java/org/github/tursodatabase/LimboConnection.java    | 2 +-
 .../java/org/github/tursodatabase/jdbc4/JDBC4Connection.java   | 3 ++-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/bindings/java/build.gradle.kts b/bindings/java/build.gradle.kts
index 48abcba05..fcdebad3a 100644
--- a/bindings/java/build.gradle.kts
+++ b/bindings/java/build.gradle.kts
@@ -21,7 +21,7 @@ repositories {
 
 dependencies {
     errorprone("com.uber.nullaway:nullaway:0.10.26") // maximum version which supports java 8
-    errorprone("com.google.errorprone:error_prone_core:2.11.0")
+    errorprone("com.google.errorprone:error_prone_core:2.10.0") // maximum version which supports java 8
 
     testImplementation(platform("org.junit:junit-bom:5.10.0"))
     testImplementation("org.junit.jupiter:junit-jupiter")
diff --git a/bindings/java/src/main/java/org/github/tursodatabase/LimboConnection.java b/bindings/java/src/main/java/org/github/tursodatabase/LimboConnection.java
index 5bb5e973f..98f0ad04b 100644
--- a/bindings/java/src/main/java/org/github/tursodatabase/LimboConnection.java
+++ b/bindings/java/src/main/java/org/github/tursodatabase/LimboConnection.java
@@ -46,7 +46,7 @@ public abstract class LimboConnection implements Connection {
     }
 
     private static AbstractDB open(String url, String fileName, Properties properties) throws SQLException {
-        if (fileName.isBlank()) {
+        if (fileName.isEmpty()) {
             throw new IllegalArgumentException("fileName should not be empty");
         }
 
diff --git a/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java b/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java
index 6ffb41e3e..9e67ae501 100644
--- a/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java
+++ b/bindings/java/src/main/java/org/github/tursodatabase/jdbc4/JDBC4Connection.java
@@ -4,6 +4,7 @@ import org.github.tursodatabase.LimboConnection;
 import org.github.tursodatabase.annotations.SkipNullableCheck;
 
 import java.sql.*;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.Properties;
 import java.util.concurrent.Executor;
@@ -150,7 +151,7 @@ public class JDBC4Connection extends LimboConnection {
     @Override
     public Map<String, Class<?>> getTypeMap() throws SQLException {
         // TODO
-        return Map.of();
+        return new HashMap<>();
     }
 
     @Override