--- /dev/null
+/*
+ * 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;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+import org.pf4j.plugin.PluginZip;
+import org.pf4j.util.FileUtils;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * @author Sebastian Lövdahl
+ */
+public class PluginClassLoaderTest {
+
+ private DefaultPluginManager pluginManager;
+ private DefaultPluginDescriptor pluginDescriptor;
+
+ private PluginClassLoader parentLastPluginClassLoader;
+ private PluginClassLoader parentFirstPluginClassLoader;
+
+ @TempDir
+ Path pluginsPath;
+
+ @BeforeAll
+ static void setUpGlobal() throws IOException, URISyntaxException {
+ Path parentClassPathBase = Paths.get(PluginClassLoaderTest.class.getClassLoader().getResource(".").toURI());
+
+ File metaInfFile = parentClassPathBase.resolve("META-INF").toFile();
+ if (metaInfFile.mkdir()) {
+ // Only delete the directory if this test created it, guarding for any future usages of the directory.
+ metaInfFile.deleteOnExit();
+ }
+
+ createFile(parentClassPathBase.resolve("META-INF").resolve("file-only-in-parent"));
+ createFile(parentClassPathBase.resolve("META-INF").resolve("file-in-both-parent-and-plugin"));
+ }
+
+ private static void createFile(Path pathToFile) throws IOException {
+ File file = pathToFile.toFile();
+
+ file.deleteOnExit();
+ assertTrue(file.createNewFile(), "failed to create '" + pathToFile + "'");
+ try (PrintWriter printWriter = new PrintWriter(file)) {
+ printWriter.write("parent");
+ }
+ }
+
+ @BeforeEach
+ void setUp() throws IOException {
+ pluginManager = new DefaultPluginManager(pluginsPath);
+
+ pluginDescriptor = new DefaultPluginDescriptor();
+ pluginDescriptor.setPluginId("myPlugin");
+ pluginDescriptor.setPluginVersion("1.2.3");
+ pluginDescriptor.setPluginDescription("My plugin");
+ pluginDescriptor.setDependencies("bar, baz");
+ pluginDescriptor.setProvider("Me");
+ pluginDescriptor.setRequires("5.0.0");
+
+ Path pluginPath = pluginsPath.resolve(pluginDescriptor.getPluginId() + "-" + pluginDescriptor.getVersion() + ".zip");
+ PluginZip pluginZip = new PluginZip.Builder(pluginPath, pluginDescriptor.getPluginId())
+ .pluginVersion(pluginDescriptor.getVersion())
+ .addFile(Paths.get("classes/META-INF/plugin-file"), "plugin")
+ .addFile(Paths.get("classes/META-INF/file-in-both-parent-and-plugin"), "plugin")
+ .build();
+
+ FileUtils.expandIfZip(pluginZip.path());
+
+ PluginClasspath pluginClasspath = new DefaultPluginClasspath();
+
+ parentLastPluginClassLoader = new PluginClassLoader(pluginManager, pluginDescriptor, PluginClassLoaderTest.class.getClassLoader());
+ parentFirstPluginClassLoader = new PluginClassLoader(pluginManager, pluginDescriptor, PluginClassLoaderTest.class.getClassLoader(), true);
+
+ for (String classesDirectory : pluginClasspath.getClassesDirectories()) {
+ File classesDirectoryFile = pluginZip.unzippedPath().resolve(classesDirectory).toFile();
+ parentLastPluginClassLoader.addFile(classesDirectoryFile);
+ parentFirstPluginClassLoader.addFile(classesDirectoryFile);
+ }
+
+ for (String jarsDirectory : pluginClasspath.getJarsDirectories()) {
+ Path jarsDirectoryPath = pluginZip.unzippedPath().resolve(jarsDirectory);
+ List<File> jars = FileUtils.getJars(jarsDirectoryPath);
+ for (File jar : jars) {
+ parentLastPluginClassLoader.addFile(jar);
+ parentFirstPluginClassLoader.addFile(jar);
+ }
+ }
+ }
+
+ @AfterEach
+ void tearDown() {
+ pluginManager = null;
+ pluginDescriptor = null;
+ }
+
+ @Test
+ void parentLastGetResourceNonExisting() {
+ assertNull(parentLastPluginClassLoader.getResource("META-INF/non-existing-file"));
+ }
+
+ @Test
+ void parentFirstGetResourceNonExisting() {
+ assertNull(parentFirstPluginClassLoader.getResource("META-INF/non-existing-file"));
+ }
+
+ @Test
+ void parentLastGetResourceExistsInParent() throws IOException, URISyntaxException {
+ URL resource = parentLastPluginClassLoader.getResource("META-INF/file-only-in-parent");
+ assertFirstLine("parent", resource);
+ }
+
+ @Test
+ void parentFirstGetResourceExistsInParent() throws IOException, URISyntaxException {
+ URL resource = parentFirstPluginClassLoader.getResource("META-INF/file-only-in-parent");
+ assertFirstLine("parent", resource);
+ }
+
+ @Test
+ void parentLastGetResourceExistsOnlyInPlugin() throws IOException, URISyntaxException {
+ URL resource = parentLastPluginClassLoader.getResource("META-INF/plugin-file");
+ assertFirstLine("plugin", resource);
+ }
+
+ @Test
+ void parentFirstGetResourceExistsOnlyInPlugin() throws IOException, URISyntaxException {
+ URL resource = parentFirstPluginClassLoader.getResource("META-INF/plugin-file");
+ assertFirstLine("plugin", resource);
+ }
+
+ @Test
+ void parentLastGetResourceExistsInBothParentAndPlugin() throws URISyntaxException, IOException {
+ URL resource = parentLastPluginClassLoader.getResource("META-INF/file-in-both-parent-and-plugin");
+ assertFirstLine("plugin", resource);
+ }
+
+ @Test
+ void parentFirstGetResourceExistsInBothParentAndPlugin() throws URISyntaxException, IOException {
+ URL resource = parentFirstPluginClassLoader.getResource("META-INF/file-in-both-parent-and-plugin");
+ assertFirstLine("parent", resource);
+ }
+
+ @Test
+ void parentLastGetResourcesNonExisting() throws IOException {
+ assertFalse(parentLastPluginClassLoader.getResources("META-INF/non-existing-file").hasMoreElements());
+ }
+
+ @Test
+ void parentFirstGetResourcesNonExisting() throws IOException {
+ assertFalse(parentFirstPluginClassLoader.getResources("META-INF/non-existing-file").hasMoreElements());
+ }
+
+ @Test
+ void parentLastGetResourcesExistsInParent() throws IOException, URISyntaxException {
+ Enumeration<URL> resources = parentLastPluginClassLoader.getResources("META-INF/file-only-in-parent");
+ assertNumberOfResourcesAndFirstLineOfFirstElement(1, "parent", resources);
+ }
+
+ @Test
+ void parentFirstGetResourcesExistsInParent() throws IOException, URISyntaxException {
+ Enumeration<URL> resources = parentFirstPluginClassLoader.getResources("META-INF/file-only-in-parent");
+ assertNumberOfResourcesAndFirstLineOfFirstElement(1, "parent", resources);
+ }
+
+ @Test
+ void parentLastGetResourcesExistsOnlyInPlugin() throws IOException, URISyntaxException {
+ Enumeration<URL> resources = parentLastPluginClassLoader.getResources("META-INF/plugin-file");
+ assertNumberOfResourcesAndFirstLineOfFirstElement(1, "plugin", resources);
+ }
+
+ @Test
+ void parentFirstGetResourcesExistsOnlyInPlugin() throws IOException, URISyntaxException {
+ Enumeration<URL> resources = parentFirstPluginClassLoader.getResources("META-INF/plugin-file");
+ assertNumberOfResourcesAndFirstLineOfFirstElement(1, "plugin", resources);
+ }
+
+ @Test
+ void parentLastGetResourcesExistsInBothParentAndPlugin() throws URISyntaxException, IOException {
+ Enumeration<URL> resources = parentLastPluginClassLoader.getResources("META-INF/file-in-both-parent-and-plugin");
+ assertNumberOfResourcesAndFirstLineOfFirstElement(2, "plugin", resources);
+ }
+
+ @Test
+ void parentFirstGetResourcesExistsInBothParentAndPlugin() throws URISyntaxException, IOException {
+ Enumeration<URL> resources = parentFirstPluginClassLoader.getResources("META-INF/file-in-both-parent-and-plugin");
+ assertNumberOfResourcesAndFirstLineOfFirstElement(2, "parent", resources);
+ }
+
+ private static void assertFirstLine(String expected, URL resource) throws URISyntaxException, IOException {
+ assertNotNull(resource);
+ assertEquals(expected, Files.readAllLines(Paths.get(resource.toURI())).get(0));
+ }
+
+ private static void assertNumberOfResourcesAndFirstLineOfFirstElement(int expectedCount, String expectedFirstLine, Enumeration<URL> resources) throws URISyntaxException, IOException {
+ List<URL> list = Collections.list(resources);
+ assertEquals(expectedCount, list.size());
+
+ URL firstResource = list.get(0);
+ assertEquals(expectedFirstLine, Files.readAllLines(Paths.get(firstResource.toURI())).get(0));
+ }
+}
private String pluginClass;
private String pluginVersion;
private Map<String, String> properties = new LinkedHashMap<>();
+ private Map<Path, byte[]> files = new LinkedHashMap<>();
public Builder(Path path, String pluginId) {
this.path = path;
return this;
}
+ /**
+ * Adds a file to the archive.
+ *
+ * @param path the relative path of the file
+ * @param content the content of the file
+ */
+ public Builder addFile(Path path, byte[] content) {
+ files.put(path, content.clone());
+
+ return this;
+ }
+
+ /**
+ * Adds a file to the archive.
+ *
+ * @param path the relative path of the file
+ * @param content the content of the file
+ */
+ public Builder addFile(Path path, String content) {
+ files.put(path, content.getBytes());
+
+ return this;
+ }
+
public PluginZip build() throws IOException {
createPropertiesFile();
map.putAll(properties);
}
- ZipOutputStream outputStream = new ZipOutputStream(new FileOutputStream(path.toFile()));
- ZipEntry propertiesFile = new ZipEntry(PropertiesPluginDescriptorFinder.DEFAULT_PROPERTIES_FILE_NAME);
- outputStream.putNextEntry(propertiesFile);
- createProperties(map).store(outputStream, "");
- outputStream.closeEntry();
- outputStream.close();
+ try (ZipOutputStream outputStream = new ZipOutputStream(new FileOutputStream(path.toFile()))) {
+ ZipEntry propertiesFile = new ZipEntry(PropertiesPluginDescriptorFinder.DEFAULT_PROPERTIES_FILE_NAME);
+ outputStream.putNextEntry(propertiesFile);
+ createProperties(map).store(outputStream, "");
+ outputStream.closeEntry();
+
+ for (Map.Entry<Path, byte[]> fileEntry : files.entrySet()) {
+ ZipEntry file = new ZipEntry(fileEntry.getKey().toString());
+ outputStream.putNextEntry(file);
+ outputStream.write(fileEntry.getValue());
+ outputStream.closeEntry();
+ }
+ }
}
}