review #41

pf4j/src/main/java/ro/fortsoft/pf4j/CompoundPluginRepository.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or 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 ro.fortsoft.pf4j;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Decebal Suiu
+ * @author Mário Franco
+ */
+public class CompoundPluginRepository implements PluginRepository {
+
+    private final PluginRepository[] repositories;
+
+    public CompoundPluginRepository(PluginRepository... repositories) {
+        this.repositories = repositories;
+    }
+
+    @Override
+    public List<File> getPluginArchives() {
+        List<File> file = new ArrayList<>();
+        for (PluginRepository repository : repositories) {
+            file.addAll(repository.getPluginArchives());
+        }
+
+        return file;
+    }
+
+    @Override
+    public boolean deletePluginArchive(String pluginPath) {
+        for (PluginRepository repository : repositories) {
+            if (repository.deletePluginArchive(pluginPath)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+}

pf4j/src/main/java/ro/fortsoft/pf4j/DefaultPluginManager.java

@@ -34,9 +34,6 @@ public class DefaultPluginManager implements PluginManager {
 	public static final String DEFAULT_PLUGINS_DIRECTORY = "plugins";
 	public static final String DEVELOPMENT_PLUGINS_DIRECTORY = "../plugins";
 
-    /**
-     * The plugins repository.
-     */
     private File pluginsDirectory;
 
     private ExtensionFinder extensionFinder;
@@ -95,20 +92,24 @@ public class DefaultPluginManager implements PluginManager {
     private ExtensionFactory extensionFactory;
     private PluginStatusProvider pluginStatusProvider;
 
+    /**
+     * The plugins repository.
+     */
+    private PluginRepository pluginRepository;
+
     /**
      * The plugins directory is supplied by System.getProperty("pf4j.pluginsDir", "plugins").
      */
     public DefaultPluginManager() {
-    	this.pluginsDirectory = createPluginsDirectory();
+        this.pluginsDirectory = createPluginsDirectory();
 
-    	initialize();
+        initialize();
     }
 
     /**
      * Constructs DefaultPluginManager which the given plugins directory.
      *
-     * @param pluginsDirectory
-     *            the directory to search for plugins
+     * @param pluginsDirectory the directory to search for plugins
      */
     public DefaultPluginManager(File pluginsDirectory) {
         this.pluginsDirectory = pluginsDirectory;
@@ -343,16 +344,13 @@ public class DefaultPluginManager implements PluginManager {
         }
 
         // expand all plugin archives
-        FileFilter zipFilter = new ZipFileFilter();
-        File[] zipFiles = pluginsDirectory.listFiles(zipFilter);
-        if (zipFiles != null) {
-        	for (File zipFile : zipFiles) {
-        		try {
-        			expandPluginArchive(zipFile);
-        		} catch (IOException e) {
-        			log.error(e.getMessage(), e);
-        		}
-        	}
+        List<File> pluginArchives = pluginRepository.getPluginArchives();
+        for (File archiveFile : pluginArchives) {
+            try {
+                expandPluginArchive(archiveFile);
+            } catch (IOException e) {
+                log.error(e.getMessage(), e);
+            }
         }
 
         // check for no plugins
@@ -447,7 +445,7 @@ public class DefaultPluginManager implements PluginManager {
             if (!pluginStatusProvider.disablePlugin(pluginId)) {
                 return false;
             }
-            
+
             log.info("Disabled plugin '{}:{}'", pluginDescriptor.getPluginId(), pluginDescriptor.getVersion());
 
             return true;
@@ -508,29 +506,12 @@ public class DefaultPluginManager implements PluginManager {
 		}
 
 		File pluginFolder = new File(pluginsDirectory, pluginWrapper.getPluginPath());
-		File pluginZip = null;
-
-		FileFilter zipFilter = new ZipFileFilter();
-        File[] zipFiles = pluginsDirectory.listFiles(zipFilter);
-        if (zipFiles != null) {
-        	// strip prepended / from the plugin path
-        	String dirName = pluginWrapper.getPluginPath().substring(1);
-        	// find the zip file that matches the plugin path
-        	for (File zipFile : zipFiles) {
-        		String name = zipFile.getName().substring(0, zipFile.getName().lastIndexOf('.'));
-        		if (name.equals(dirName)) {
-        			pluginZip = zipFile;
-        			break;
-        		}
-        	}
-        }
 
 		if (pluginFolder.exists()) {
 			FileUtils.delete(pluginFolder);
 		}
-		if (pluginZip != null && pluginZip.exists()) {
-			FileUtils.delete(pluginZip);
-		}
+
+        pluginRepository.deletePluginArchive(pluginWrapper.getPluginPath());
 
 		return true;
 	}
@@ -651,8 +632,11 @@ public class DefaultPluginManager implements PluginManager {
         return new DefaultPluginStatusProvider(pluginsDirectory);
     }
 
-    protected boolean isPluginDisabled(String pluginId) {
+    protected PluginRepository createPluginRepository() {
+        return new DefaultPluginRepository(pluginsDirectory, new ZipFileFilter());
+    }
 
+    protected boolean isPluginDisabled(String pluginId) {
     	return pluginStatusProvider.isPluginDisabled(pluginId);
     }
 
@@ -729,11 +713,12 @@ public class DefaultPluginManager implements PluginManager {
         pluginDescriptorFinder = createPluginDescriptorFinder();
         extensionFinder = createExtensionFinder();
         pluginStatusProvider = createPluginStatusProvider();
+        pluginRepository = createPluginRepository();
 
         System.setProperty("pf4j.pluginsDir", pluginsDirectory.getAbsolutePath());
 	}
 
-	private PluginWrapper loadPluginDirectory(File pluginDirectory) throws PluginException {
+    private PluginWrapper loadPluginDirectory(File pluginDirectory) throws PluginException {
         // try to load the plugin
 		String pluginName = pluginDirectory.getName();
         String pluginPath = "/".concat(pluginName);

pf4j/src/main/java/ro/fortsoft/pf4j/DefaultPluginRepository.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or 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 ro.fortsoft.pf4j;
+
+import ro.fortsoft.pf4j.util.FileUtils;
+
+import java.io.File;
+import java.io.FileFilter;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @author Decebal Suiu
+ * @author Mário Franco
+ */
+public class DefaultPluginRepository implements PluginRepository {
+
+    private final File directory;
+    private final FileFilter filter;
+
+    public DefaultPluginRepository(File directory, FileFilter filter) {
+        this.directory = directory;
+        this.filter = filter;
+    }
+
+    @Override
+    public List<File> getPluginArchives() {
+        File[] files = directory.listFiles(filter);
+
+        return (files != null) ? Arrays.asList(files) : Collections.<File>emptyList();
+    }
+
+    @Override
+    public boolean deletePluginArchive(String pluginPath) {
+        File[] files = directory.listFiles(filter);
+        if (files != null) {
+            File pluginArchive = null;
+            // strip prepended "/" from the plugin path
+            String dirName = pluginPath.substring(1);
+            // find the zip file that matches the plugin path
+            for (File archive : files) {
+                String name = archive.getName().substring(0, archive.getName().lastIndexOf('.'));
+                if (name.equals(dirName)) {
+                    pluginArchive = archive;
+                    break;
+                }
+            }
+            if (pluginArchive != null && pluginArchive.exists()) {
+                return FileUtils.delete(pluginArchive);
+            }
+        }
+
+        return false;
+    }
+
+}

pf4j/src/main/java/ro/fortsoft/pf4j/PluginRepository.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or 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 ro.fortsoft.pf4j;
+
+import java.io.File;
+import java.util.List;
+
+/**
+ * Directory whose contents are .zip files used as plugins.
+ *
+ * @author Decebal Suiu
+ * @author Mário Franco
+ */
+public interface PluginRepository {
+
+    /**
+     * List all plugin archive filed.
+     *
+     * @return a list of files
+     */
+    public List<File> getPluginArchives();
+
+    /**
+     * Removes a plugin from the repository.
+     *
+     * @param pluginPath the plugin path
+     * @return true if deleted
+     */
+    public boolean deletePluginArchive(String pluginPath);
+
+}