Remove `throws IOException` from DefaultGenerationContext.writeGeneratedContent()

The `throws` declaration is unnecessary since writeGeneratedContent()
will never throw an IOException.

spring-core/src/main/java/org/springframework/aot/generate/DefaultGenerationContext.java

@@ -16,7 +16,6 @@
 
 package org.springframework.aot.generate;
 
-import java.io.IOException;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -27,9 +26,9 @@ import org.springframework.util.Assert;
 /**
  * Default {@link GenerationContext} implementation.
  *
- * <p>Generated classes are flushed out using {@link #writeGeneratedContent()}
- * and should be called once the generation process using this instance has
- * completed.
+ * <p>Generated classes can be flushed out using {@link #writeGeneratedContent()}
+ * which should be called only once after the generation process using this instance
+ * has completed.
  *
  * @author Phillip Webb
  * @author Stephane Nicoll
@@ -108,7 +107,7 @@ public class DefaultGenerationContext implements GenerationContext {
 	/**
 	 * Write any generated content out to the generated files.
 	 */
-	public void writeGeneratedContent() throws IOException {
+	public void writeGeneratedContent() {
 		this.generatedClasses.writeTo(this.generatedFiles);
 	}
 

spring-core/src/main/java/org/springframework/aot/generate/GeneratedClasses.java

@@ -30,8 +30,10 @@ import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;
 
 /**
- * A managed collection of generated classes. This class is stateful so the
- * same instance should be used for all class generation.
+ * A managed collection of generated classes.
+ *
+ * <p>This class is stateful, so the same instance should be used for all class
+ * generation.
  *
  * @author Phillip Webb
  * @author Stephane Nicoll
@@ -157,7 +159,7 @@ public class GeneratedClasses {
 	 * @param generatedFiles where to write the generated classes
 	 * @throws IOException on IO error
 	 */
-	void writeTo(GeneratedFiles generatedFiles) throws IOException {
+	void writeTo(GeneratedFiles generatedFiles) {
 		Assert.notNull(generatedFiles, "'generatedFiles' must not be null");
 		List<GeneratedClass> generatedClasses = new ArrayList<>(this.classes);
 		generatedClasses.sort(Comparator.comparing(GeneratedClass::getName));
@@ -172,7 +174,6 @@ public class GeneratedClasses {
 	}
 
 	private record Owner(String featureNamePrefix, String featureName, @Nullable Class<?> target) {
-
 	}
 
 }

spring-core/src/testFixtures/java/org/springframework/core/testfixture/aot/generate/TestGenerationContext.java

@@ -16,9 +16,6 @@
 
 package org.springframework.core.testfixture.aot.generate;
 
-import java.io.IOException;
-import java.io.UncheckedIOException;
-
 import org.springframework.aot.generate.ClassNameGenerator;
 import org.springframework.aot.generate.DefaultGenerationContext;
 import org.springframework.aot.generate.GenerationContext;
@@ -26,9 +23,7 @@ import org.springframework.aot.generate.InMemoryGeneratedFiles;
 
 /**
  * {@link GenerationContext} test implementation that uses
- * {@link InMemoryGeneratedFiles} by default, with a convenient override of
- * {@link #writeGeneratedContent()} that throws {@link UncheckedIOException}
- * instead of {@link IOException}.
+ * {@link InMemoryGeneratedFiles} by default.
  *
  * @author Stephane Nicoll
  * @author Sam Brannen
@@ -75,14 +70,4 @@ public class TestGenerationContext extends DefaultGenerationContext {
 		return (InMemoryGeneratedFiles) super.getGeneratedFiles();
 	}
 
-	@Override
-	public void writeGeneratedContent() {
-		try {
-			super.writeGeneratedContent();
-		}
-		catch (IOException ex) {
-			throw new UncheckedIOException(ex);
-		}
-	}
-
 }

spring-test/src/main/java/org/springframework/test/aot/generate/TestGenerationContext.java

@@ -16,9 +16,6 @@
 
 package org.springframework.test.aot.generate;
 
-import java.io.IOException;
-import java.io.UncheckedIOException;
-
 import org.springframework.aot.generate.ClassNameGenerator;
 import org.springframework.aot.generate.DefaultGenerationContext;
 import org.springframework.aot.generate.GenerationContext;
@@ -26,9 +23,7 @@ import org.springframework.aot.generate.InMemoryGeneratedFiles;
 
 /**
  * {@link GenerationContext} test implementation that uses
- * {@link InMemoryGeneratedFiles} by default, with a convenient override of
- * {@link #writeGeneratedContent()} that throws {@link UncheckedIOException}
- * instead of {@link IOException}.
+ * {@link InMemoryGeneratedFiles} by default.
  *
  * @author Stephane Nicoll
  * @author Sam Brannen
@@ -68,14 +63,4 @@ public class TestGenerationContext extends DefaultGenerationContext {
 		return (InMemoryGeneratedFiles) super.getGeneratedFiles();
 	}
 
-	@Override
-	public void writeGeneratedContent() {
-		try {
-			super.writeGeneratedContent();
-		}
-		catch (IOException ex) {
-			throw new UncheckedIOException(ex);
-		}
-	}
-
 }