From 75a907eeabb2983bda2bd1081eacb8a7d94db63b Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Mon, 24 Nov 2014 09:34:46 -0500
Subject: [PATCH] Add .bat and .cmd to the pretty print extensions

---
 src/main/java/com/gitblit/manager/PluginManager.java |   61 +++++++++++++++++++++++++++++-
 1 files changed, 59 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/gitblit/manager/PluginManager.java b/src/main/java/com/gitblit/manager/PluginManager.java
index a35ff6f..3e7bc1f 100644
--- a/src/main/java/com/gitblit/manager/PluginManager.java
+++ b/src/main/java/com/gitblit/manager/PluginManager.java
@@ -37,8 +37,12 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import ro.fortsoft.pf4j.DefaultPluginFactory;
 import ro.fortsoft.pf4j.DefaultPluginManager;
+import ro.fortsoft.pf4j.ExtensionFactory;
+import ro.fortsoft.pf4j.Plugin;
 import ro.fortsoft.pf4j.PluginClassLoader;
+import ro.fortsoft.pf4j.PluginFactory;
 import ro.fortsoft.pf4j.PluginState;
 import ro.fortsoft.pf4j.PluginStateEvent;
 import ro.fortsoft.pf4j.PluginStateListener;
@@ -103,7 +107,19 @@
 	public PluginManager start() {
 		File dir = runtimeManager.getFileOrFolder(Keys.plugins.folder, "${baseFolder}/plugins");
 		dir.mkdirs();
-		pf4j = new DefaultPluginManager(dir);
+
+		pf4j = new DefaultPluginManager(dir) {
+
+			@Override
+			protected PluginFactory createPluginFactory() {
+				return new GuicePluginFactory();
+			}
+
+			@Override
+			protected ExtensionFactory createExtensionFactory() {
+				return new GuiceExtensionFactory();
+			}
+		};
 
 		try {
 			Version systemVersion = Version.createVersion(Constants.getVersion());
@@ -424,6 +440,10 @@
 	protected File download(String url, boolean verifyChecksum) throws IOException {
 		File file = downloadFile(url);
 
+		if (!verifyChecksum) {
+			return file;
+		}
+
 		File sha1File = null;
 		try {
 			sha1File = downloadFile(url + ".sha1");
@@ -437,7 +457,7 @@
 
 		}
 
-		if (sha1File == null && md5File == null && verifyChecksum) {
+		if (sha1File == null && md5File == null) {
 			throw new IOException("Missing SHA1 and MD5 checksums for " + url);
 		}
 
@@ -572,4 +592,41 @@
 	protected String getProxyAuthorization(URL url) {
 		return "";
 	}
+
+	/**
+	 * Instantiates a plugin using pf4j but injects member fields
+	 * with Guice.
+	 */
+	private class GuicePluginFactory extends DefaultPluginFactory {
+
+		@Override
+		public Plugin create(PluginWrapper pluginWrapper) {
+			// use pf4j to create the plugin
+			Plugin plugin = super.create(pluginWrapper);
+
+			if (plugin != null) {
+				// allow Guice to inject member fields
+				runtimeManager.getInjector().injectMembers(plugin);
+			}
+
+			return plugin;
+		}
+	}
+
+	/**
+	 * Instantiates an extension using Guice.
+	 */
+	private class GuiceExtensionFactory implements ExtensionFactory {
+		@Override
+		public Object create(Class<?> extensionClass) {
+			// instantiate && inject the extension
+			logger.debug("Create instance for extension '{}'", extensionClass.getName());
+			try {
+				return runtimeManager.getInjector().getInstance(extensionClass);
+			} catch (Exception e) {
+				logger.error(e.getMessage(), e);
+			}
+			return null;
+		}
+	}
 }

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