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-rw-r--r--core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/java/compile/singleclass/SingleClassBuilder.java28
1 files changed, 15 insertions, 13 deletions
diff --git a/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/java/compile/singleclass/SingleClassBuilder.java b/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/java/compile/singleclass/SingleClassBuilder.java
index 464a601e1..7695e29fd 100644
--- a/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/java/compile/singleclass/SingleClassBuilder.java
+++ b/core/core-infrastructure/src/main/java/org/onap/policy/apex/core/infrastructure/java/compile/singleclass/SingleClassBuilder.java
@@ -1,6 +1,7 @@
/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. All rights reserved.
+ * Modifications Copyright (C) 2020 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -69,8 +70,8 @@ public class SingleClassBuilder {
*/
public void compile() throws JavaHandlingException {
// Get the list of compilation units, there is only one here
- final List<? extends JavaFileObject> compilationUnits = Arrays
- .asList(new SingleClassCompilationUnit(className, sourceCode));
+ final List<? extends JavaFileObject> compilationUnits =
+ Arrays.asList(new SingleClassCompilationUnit(className, sourceCode));
// Allows us to get diagnostics from the compilation
final DiagnosticCollector<JavaFileObject> diagnosticListener = new DiagnosticCollector<>();
@@ -80,11 +81,11 @@ public class SingleClassBuilder {
// Set up the target file manager and call the compiler
singleFileManager = new SingleFileManager(compiler, new SingleClassByteCodeFileObject(className));
- final JavaCompiler.CompilationTask task = compiler.getTask(null, singleFileManager, diagnosticListener, null,
- null, compilationUnits);
+ final JavaCompiler.CompilationTask task =
+ compiler.getTask(null, singleFileManager, diagnosticListener, null, null, compilationUnits);
// Check if the compilation worked
- if (!task.call()) {
+ if (Boolean.FALSE.equals(task.call())) {
final StringBuilder builder = new StringBuilder();
for (final Diagnostic<? extends JavaFileObject> diagnostic : diagnosticListener.getDiagnostics()) {
builder.append("code:");
@@ -114,20 +115,21 @@ public class SingleClassBuilder {
* Create a new instance of the Java class using its byte code definition.
*
* @return A new instance of the object
- * @throws InstantiationException if an instance of the object cannot be created, for example if the class has no
- * default constructor
- * @throws IllegalAccessException the caller does not have permission to call the class
- * @throws ClassNotFoundException the byte code for the class is not found in the class loader
- * @throws JavaHandlingException the java handling exception if the Java class source code is not compiled
+ * @throws JavaHandlingException on errors creating the object
*/
- public Object createObject() throws InstantiationException, IllegalAccessException, ClassNotFoundException,
- JavaHandlingException {
+ public Object createObject()
+ throws InstantiationException, IllegalAccessException, ClassNotFoundException, JavaHandlingException {
if (singleFileManager == null) {
String message = "error instantiating instance for class \"" + className + "\": code may not be compiled";
LOGGER.warn(message);
throw new JavaHandlingException(message);
}
- return singleFileManager.getClassLoader(null).findClass(className).newInstance();
+ try {
+ return singleFileManager.getClassLoader(null).findClass(className).getDeclaredConstructor().newInstance();
+ } catch (Exception e) {
+ return new JavaHandlingException("could not create java class", e);
+ }
+
}
}