From 2bbab11d671ba452771fdf5ab8ad33225cc67397 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Sat, 5 Apr 2014 15:42:41 -0400
Subject: Add sangria-log4j module.
---
.../sangria/log4j/Log4jLoggerProvider.java | 46 +++++++++++++
.../sangria/log4j/SangriaLog4jModule.java | 39 +++++++++++
.../com/tavianator/sangria/log4j/package-info.java | 25 +++++++
.../sangria/log4j/SangriaLog4jModuleTest.java | 80 ++++++++++++++++++++++
4 files changed, 190 insertions(+)
create mode 100644 sangria-log4j/src/main/java/com/tavianator/sangria/log4j/Log4jLoggerProvider.java
create mode 100644 sangria-log4j/src/main/java/com/tavianator/sangria/log4j/SangriaLog4jModule.java
create mode 100644 sangria-log4j/src/main/java/com/tavianator/sangria/log4j/package-info.java
create mode 100644 sangria-log4j/src/test/java/com/tavianator/sangria/log4j/SangriaLog4jModuleTest.java
(limited to 'sangria-log4j/src')
diff --git a/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/Log4jLoggerProvider.java b/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/Log4jLoggerProvider.java
new file mode 100644
index 0000000..dae2323
--- /dev/null
+++ b/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/Log4jLoggerProvider.java
@@ -0,0 +1,46 @@
+/****************************************************************************
+ * Sangria *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * 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 com.tavianator.sangria.log4j;
+
+import javax.inject.Singleton;
+
+import com.google.inject.spi.InjectionPoint;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import com.tavianator.sangria.contextual.ContextSensitiveProvider;
+
+/**
+ * Actual {@link Logger} provider implementation.
+ *
+ * @author Tavian Barnes (tavianator@tavianator.com)
+ * @version 1.0
+ * @since 1.0
+ */
+@Singleton
+class Log4jLoggerProvider implements ContextSensitiveProvider<Logger> {
+ @Override
+ public Logger getInContext(InjectionPoint injectionPoint) {
+ return LogManager.getLogger(injectionPoint.getDeclaringType().getRawType());
+ }
+
+ @Override
+ public Logger getInUnknownContext() {
+ return LogManager.getRootLogger();
+ }
+}
diff --git a/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/SangriaLog4jModule.java b/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/SangriaLog4jModule.java
new file mode 100644
index 0000000..7f5baa3
--- /dev/null
+++ b/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/SangriaLog4jModule.java
@@ -0,0 +1,39 @@
+/****************************************************************************
+ * Sangria *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * 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 com.tavianator.sangria.log4j;
+
+import com.google.inject.AbstractModule;
+import org.apache.logging.log4j.Logger;
+
+import com.tavianator.sangria.contextual.ContextSensitiveBinder;
+
+/**
+ * Module for Log4j {@link Logger} injection.
+ *
+ * @author Tavian Barnes (tavianator@tavianator.com)
+ * @version 1.0
+ * @since 1.0
+ */
+public class SangriaLog4jModule extends AbstractModule {
+ @Override
+ protected void configure() {
+ ContextSensitiveBinder.create(binder())
+ .bind(Logger.class)
+ .toContextSensitiveProvider(Log4jLoggerProvider.class);
+ }
+}
diff --git a/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/package-info.java b/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/package-info.java
new file mode 100644
index 0000000..7f07951
--- /dev/null
+++ b/sangria-log4j/src/main/java/com/tavianator/sangria/log4j/package-info.java
@@ -0,0 +1,25 @@
+/****************************************************************************
+ * Sangria *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * 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. *
+ ****************************************************************************/
+
+/**
+ * {@code sangria-log4j}: Log4j {@link org.apache.logging.log4j.Logger} injection.
+ *
+ * @author Tavian Barnes (tavianator@tavianator.com)
+ * @version 1.0
+ * @since 1.0
+ */
+package com.tavianator.sangria.log4j;
diff --git a/sangria-log4j/src/test/java/com/tavianator/sangria/log4j/SangriaLog4jModuleTest.java b/sangria-log4j/src/test/java/com/tavianator/sangria/log4j/SangriaLog4jModuleTest.java
new file mode 100644
index 0000000..d91cf90
--- /dev/null
+++ b/sangria-log4j/src/test/java/com/tavianator/sangria/log4j/SangriaLog4jModuleTest.java
@@ -0,0 +1,80 @@
+/****************************************************************************
+ * Sangria *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * 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 com.tavianator.sangria.log4j;
+
+import javax.inject.Inject;
+import javax.inject.Provider;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Provides;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.Matchers.*;
+import static org.junit.Assert.*;
+
+/**
+ * @author Tavian Barnes (tavianator@tavianator.com)
+ * @version 1.0
+ * @since 1.0
+ */
+public class SangriaLog4jModuleTest {
+ @Inject Logger logger;
+ @Inject Provider<Logger> provider;
+
+ @Before
+ public void setUp() {
+ Guice.createInjector(new SangriaLog4jModule()).injectMembers(this);
+ }
+
+ @Test
+ public void testLogger() {
+ assertThat(logger.getName(), equalTo(SangriaLog4jModuleTest.class.getName()));
+ }
+
+ @Test
+ public void testProvider() {
+ assertThat(provider.get().getName(), equalTo(LogManager.ROOT_LOGGER_NAME));
+ }
+
+ @Test
+ public void testProviderMethod() {
+ Injector injector = Guice.createInjector(new AbstractModule() {
+ @Override
+ protected void configure() {
+ install(new SangriaLog4jModule());
+ }
+
+ @Provides
+ String getLoggerName(Logger logger) {
+ return logger.getName();
+ }
+ });
+
+ assertThat(injector.getInstance(String.class), equalTo(LogManager.ROOT_LOGGER_NAME));
+ }
+
+ @Test
+ public void testDeDuplication() {
+ Guice.createInjector(new SangriaLog4jModule(), new SangriaLog4jModule());
+ }
+}
--
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