Add config helper

billoneil · billoneil · commit 84bda82467af · 2018-02-28T20:58:25.000-05:00
diff --git a/build.gradle b/build.gradle
@@ -21,7 +21,7 @@ allprojects {
 
     // Using Jitpack so I need the repo name in the group to match.
     group = 'com.stubbornjava.StubbornJava'
-    version = '0.1.27-SNAPSHOT'
+    version = '0.1.28-SNAPSHOT'
 
     repositories { 
         mavenLocal()
diff --git a/stubbornjava-common/src/main/java/com/stubbornjava/common/Configs.java b/stubbornjava-common/src/main/java/com/stubbornjava/common/Configs.java
@@ -2,6 +2,8 @@
 
 import java.io.File;
 import java.util.Map;
+import java.util.function.Function;
+import java.util.function.Supplier;
 
 import org.jooq.lambda.Seq;
 import org.slf4j.Logger;
@@ -43,6 +45,20 @@ public static Map<String, Object> asMap(Config config) {
                   .toMap(e -> e.getKey(), e -> e.getValue().unwrapped());
     }
 
+    public <T> T getOrDefault(Config config, String path, Function<Config, T> extractor, T defaultValue) {
+        if (config.hasPath(path)) {
+            return extractor.apply(config);
+        }
+        return defaultValue;
+    }
+
+    public <T> T getOrDefault(Config config, String path, Function<Config, T> extractor, Supplier<T> defaultSupplier) {
+        if (config.hasPath(path)) {
+            return extractor.apply(config);
+        }
+        return defaultSupplier.get();
+    }
+
     public static class Builder {
         private Config conf;
 
