Added saving source files to build/generated directory

examples/java/bld/src/bld/java/com/example/ExampleBuild.java

@@ -3,11 +3,20 @@ package com.example;
 import rife.bld.BuildCommand;
 import rife.bld.Project;
 
+import java.io.File;
 import java.util.List;
 
 import static rife.bld.dependencies.Repository.*;
 import static rife.bld.dependencies.Scope.compile;
 
+/**
+ * Example build.
+ *
+ * <ul style="list-style-type:none">
+ *     <li>./bld run</li>
+ *     <li>./bld runExample</li>
+ * </ul>
+ */
 public class ExampleBuild extends Project {
     public ExampleBuild() {
         pkg = "com.example";
@@ -20,16 +29,29 @@ public class ExampleBuild extends Project {
 
         repositories = List.of(MAVEN_LOCAL, MAVEN_CENTRAL);
 
-        scope(compile)
+        scope(compile).include(dependency("net.thauvin.erik", "semver", version(1, 2, 1, "SNAPSHOT")));
-                .include(dependency("net.thauvin.erik", "semver", version(1, 2, 1, "SNAPSHOT")));
-    }
-
-    @BuildCommand(summary = "Run the example")
-    public void runExample() throws Exception {
-        runOperation().executeOnce(() -> runOperation().fromProject(this).mainClass("com.example.Example"));
     }
 
     public static void main(String[] args) {
         new ExampleBuild().start(args);
     }
+
+    /**
+     * Saves generated source files in the {@code build/generated} directory.
+     * <p>
+     * To incorporate the generated source code into the source tree, add this directory as an additional source
+     * location in your IDE.
+     */
+    @Override
+    public void compile() throws Exception {
+        var generated = new File(buildDirectory(), "generated");
+        var ignore = generated.mkdir();
+        this.compileOperation().compileOptions().addAll(List.of("-s", generated.getAbsolutePath()));
+        super.compile();
+    }
+
+    @BuildCommand(summary = "Run the example")
+    public void runExample() throws Exception {
+        runOperation().fromProject(this).mainClass("com.example.Example").execute();
+    }
 }