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- /*
- * Copyright (C) 2012-present the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.pf4j.test;
-
- import javax.tools.JavaFileObject;
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.Comparator;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- import java.util.Objects;
-
- /**
- * {@link ClassLoader} that loads {@link JavaFileObject.Kind#CLASS}s.
- * If {@code JavaFileObject} type is {@link JavaFileObject.Kind#SOURCE} them the source is compiled.
- *
- * @author Decebal Suiu
- */
- public class JavaFileObjectClassLoader extends ClassLoader {
-
- public Map<String, Class<?>> load(JavaFileObject... objects) {
- return load(Arrays.asList(objects));
- }
-
- public Map<String, Class<?>> load(List<JavaFileObject> objects) {
- Objects.requireNonNull(objects);
-
- List<JavaFileObject> mutableObjects = new ArrayList<>(objects);
-
- // Sort generated ".class" by lastModified field
- mutableObjects.sort(Comparator.comparingLong(JavaFileObject::getLastModified));
-
- // Compile Java sources (if exists)
- for (int i = 0; i < mutableObjects.size(); i++) {
- JavaFileObject object = mutableObjects.get(i);
- if (object.getKind() == JavaFileObject.Kind.CLASS) {
- continue;
- }
-
- if (object.getKind() == JavaFileObject.Kind.SOURCE) {
- mutableObjects.set(i, JavaSources.compile(object));
- } else {
- throw new IllegalStateException("Type " + object.getKind() + " is not supported");
- }
- }
-
- // Load objects
- Map<String, Class<?>> loadedClasses = new HashMap<>();
- for (JavaFileObject object : mutableObjects) {
- String className = JavaFileObjectUtils.getClassName(object);
- byte[] data = JavaFileObjectUtils.getAllBytes(object);
- Class<?> loadedClass = defineClass(className, data, 0, data.length);
- loadedClasses.put(className, loadedClass);
- }
-
- return loadedClasses;
- }
-
- }
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