add logback container

dubbo-container/dubbo-container-logback/src/main/java/com/alibaba/dubbo/container/logback/LogbackContainer.java

+/*
+ * Copyright 1999-2012 Alibaba Group.
+ *  
+ * 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.alibaba.dubbo.container.logback;
+
+import org.slf4j.LoggerFactory;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.Logger;
+import ch.qos.logback.classic.LoggerContext;
+import ch.qos.logback.classic.encoder.PatternLayoutEncoder;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.rolling.RollingFileAppender;
+import ch.qos.logback.core.rolling.TimeBasedRollingPolicy;
+
+import com.alibaba.dubbo.common.utils.ConfigUtils;
+import com.alibaba.dubbo.common.utils.StringUtils;
+import com.alibaba.dubbo.container.Container;
+
+/**
+ * LogbackContainer. (SPI, Singleton, ThreadSafe)
+ * 
+ * @author {@link "mailto:qq55355383@gmail.com" "yi.tong"}
+ * @date May 30, 2012
+ */
+public class LogbackContainer implements Container {
+
+	public static final String LOGBACK_FILE = "dubbo.logback.file";
+
+	public static final String LOGBACK_LEVEL = "dubbo.logback.level";
+
+	public static final String LOGBACK_MAX_HISTORY = "dubbo.logback.maxhistory";
+
+	public static final String DEFAULT_LOGBACK_LEVEL = "ERROR";
+
+	public void start() {
+		String file = ConfigUtils.getProperty(LOGBACK_FILE);
+		if (file != null && file.length() > 0) {
+			String level = ConfigUtils.getProperty(LOGBACK_LEVEL);
+			if (level == null || level.length() == 0) {
+				level = DEFAULT_LOGBACK_LEVEL;
+			}
+			// maxHistory=0 Infinite history
+			int maxHistory = StringUtils.parseInteger(ConfigUtils.getProperty(LOGBACK_MAX_HISTORY));
+
+			doInitializer(file, level, maxHistory);
+		}
+	}
+
+	public void stop() {
+	}
+
+	/**
+	 * Initializer logback
+	 * 
+	 * @param file
+	 * @param level
+	 * @param maxHistory
+	 */
+	private void doInitializer(String file, String level, int maxHistory) {
+		LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
+		Logger rootLogger = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
+		rootLogger.detachAndStopAllAppenders();
+
+		// appender
+		RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
+		fileAppender.setContext(loggerContext);
+		fileAppender.setName("application");
+		fileAppender.setFile(file);
+		fileAppender.setAppend(true);
+
+		// policy
+		TimeBasedRollingPolicy<ILoggingEvent> policy = new TimeBasedRollingPolicy<ILoggingEvent>();
+		policy.setContext(loggerContext);
+		policy.setMaxHistory(maxHistory);
+		policy.setFileNamePattern(file + ".%d{yyyy-MM-dd}");
+		policy.setParent(fileAppender);
+		policy.start();
+		fileAppender.setRollingPolicy(policy);
+
+		// encoder
+		PatternLayoutEncoder encoder = new PatternLayoutEncoder();
+		encoder.setContext(loggerContext);
+		encoder.setPattern("%date [%thread] %-5level %logger (%file:%line\\) - %msg%n");
+		encoder.start();
+		fileAppender.setEncoder(encoder);
+		
+		fileAppender.start();
+
+		rootLogger.addAppender(fileAppender);
+		rootLogger.setLevel(Level.toLevel(level));
+		rootLogger.setAdditive(false);
+	}
+
+}
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dubbo-container/dubbo-container-logback/src/main/resources/META-INF/dubbo/internal/com.alibaba.dubbo.container.Container

+logback=com.alibaba.dubbo.container.logback.LogbackContainer
\ No newline at end of file

dubbo-container/dubbo-container-logback/src/test/java/com/alibaba/dubbo/container/logback/LogbackContainerTest.java

+/*
+ * Copyright 1999-2011 Alibaba Group.
+ *  
+ * 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.alibaba.dubbo.container.logback;
+
+import org.junit.Test;
+
+import com.alibaba.dubbo.common.extension.ExtensionLoader;
+import com.alibaba.dubbo.common.logger.Logger;
+import com.alibaba.dubbo.common.logger.LoggerFactory;
+import com.alibaba.dubbo.container.Container;
+
+/**
+ * StandaloneContainerTest
+ * 
+ * @author {@link "mailto:qq55355383@gmail.com" "yi.tong"}
+ * @date May 30, 2012
+ */
+public class LogbackContainerTest {
+
+	private static final Logger logger = LoggerFactory.getLogger(LogbackContainerTest.class);
+
+	@Test
+	public void testContainer() {
+		LogbackContainer container = (LogbackContainer) ExtensionLoader.getExtensionLoader(Container.class)
+				.getExtension("logback");
+		container.start();
+
+		logger.debug("Test debug:" + this.getClass().getName());
+		logger.warn("Test warn:" + this.getClass().getName());
+		logger.info("Test info:" + this.getClass().getName());
+		logger.error("Test error:" + this.getClass().getName());
+
+		container.stop();
+	}
+
+}
\ No newline at end of file