From 7eb08c867077c9a1931638830522816257cb3964 Mon Sep 17 00:00:00 2001
From: Anjum Fatima
Date: Tue, 23 May 2017 15:39:32 -0500
Subject: Bug 517152 - [osgi R7] Implement the default default log level launch
 configuration property

Change-Id: I2b20561ee208bee75c3080860b6fc7c8f602b2ea
Signed-off-by: Anjum Fatima <anjum.eclipse@gmail.com>---
 .../eclipse/osgi/internal/log/ConfigAdminListener.java  | 13 ++++---------
 .../eclipse/osgi/internal/log/EquinoxLogServices.java   | 17 +++++++++++++++--
 .../internal/log/ExtendedLogReaderServiceFactory.java   | 11 +++++++++--
 .../osgi/internal/log/ExtendedLogServiceFactory.java    |  6 +++---
 .../eclipse/osgi/internal/log/LogServiceManager.java    |  6 +++---
 5 files changed, 34 insertions(+), 19 deletions(-)

diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ConfigAdminListener.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ConfigAdminListener.java
index 3c3fbb2ab..5c96d3abd 100644
--- a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ConfigAdminListener.java
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ConfigAdminListener.java
@@ -39,7 +39,6 @@ class ConfigAdminListener implements ServiceTrackerCustomizer<Object, ServiceReg
 	private static final String METHOD_CONFIG_GET_FACTORY_PID = "getFactoryPid"; //$NON-NLS-1$
 
 	private static final String PID_PREFIX_LOG_ADMIN = "org.osgi.service.log.admin"; //$NON-NLS-1$
-	private static final String NULL_LEVEL = "NULL"; //$NON-NLS-1$
 	// using String constructor here to avoid interning
 	private static final String PID_FILTER = '(' + Constants.SERVICE_PID + '=' + PID_PREFIX_LOG_ADMIN + '*' + ')';
 
@@ -225,14 +224,10 @@ class ConfigAdminListener implements ServiceTrackerCustomizer<Object, ServiceReg
 				String key = keys.nextElement();
 				Object v = configDictionary.get(key);
 				if (v instanceof String) {
-					if (NULL_LEVEL.equals(v)) {
-						result.put(key, null);
-					} else {
-						try {
-							result.put(key, LogLevel.valueOf((String) v));
-						} catch (IllegalArgumentException e) {
-							// ignore invalid values
-						}
+					try {
+						result.put(key, LogLevel.valueOf((String) v));
+					} catch (IllegalArgumentException e) {
+						// ignore invalid values
 					}
 				}
 			}
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/EquinoxLogServices.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/EquinoxLogServices.java
index 985356d35..a84617d79 100644
--- a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/EquinoxLogServices.java
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/EquinoxLogServices.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2016 IBM Corporation and others.
+ * Copyright (c) 2006, 2017 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -22,6 +22,8 @@ import org.eclipse.osgi.internal.framework.EquinoxConfiguration;
 import org.eclipse.osgi.service.datalocation.Location;
 import org.eclipse.osgi.storage.StorageUtil;
 import org.osgi.framework.*;
+import org.osgi.service.log.LogLevel;
+import org.osgi.service.log.admin.LoggerContext;
 
 public class EquinoxLogServices {
 	static final String EQUINOX_LOGGER_NAME = "org.eclipse.equinox.logger"; //$NON-NLS-1$
@@ -81,7 +83,18 @@ public class EquinoxLogServices {
 				// ignore and use 0
 			}
 		}
-		logServiceManager = new LogServiceManager(logHistoryMax, logWriter, perfWriter);
+
+		LogLevel defaultLevel = LogLevel.WARN;
+		try {
+			String defaultLevelConfig = environmentInfo.getConfiguration(LoggerContext.LOGGER_CONTEXT_DEFAULT_LOGLEVEL);
+			if (defaultLevelConfig != null) {
+				defaultLevel = LogLevel.valueOf(defaultLevelConfig);
+			}
+		} catch (IllegalArgumentException e) {
+			//ignore and use LogLevel.WARN
+		}
+
+		logServiceManager = new LogServiceManager(logHistoryMax, defaultLevel, logWriter, perfWriter);
 		eclipseLogFactory = new EquinoxLogFactory(logWriter, logServiceManager);
 		rootFrameworkLog = eclipseLogFactory.createFrameworkLog(null, logWriter);
 
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogReaderServiceFactory.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogReaderServiceFactory.java
index bebcf7bc2..18a62cc11 100644
--- a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogReaderServiceFactory.java
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogReaderServiceFactory.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2016 Cognos Incorporated, IBM Corporation and others
+ * Copyright (c) 2006, 2017 Cognos Incorporated, IBM Corporation and others
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0 which
  * accompanies this distribution, and is available at
@@ -54,6 +54,7 @@ public class ExtendedLogReaderServiceFactory implements ServiceFactory<ExtendedL
 	private final ThreadLocal<int[]> nestedCallCount = new ThreadLocal<>();
 	private final LinkedList<LogEntry> history;
 	private final int maxHistory;
+	private final LogLevel defaultLevel;
 
 	static boolean safeIsLoggable(LogFilter filter, Bundle bundle, String name, int level) {
 		try {
@@ -97,7 +98,8 @@ public class ExtendedLogReaderServiceFactory implements ServiceFactory<ExtendedL
 		}
 	}
 
-	public ExtendedLogReaderServiceFactory(int maxHistory) {
+	public ExtendedLogReaderServiceFactory(int maxHistory, LogLevel defaultLevel) {
+		this.defaultLevel = defaultLevel;
 		this.maxHistory = maxHistory;
 		if (maxHistory > 0) {
 			history = new LinkedList<>();
@@ -106,6 +108,10 @@ public class ExtendedLogReaderServiceFactory implements ServiceFactory<ExtendedL
 		}
 	}
 
+	public LogLevel getDefaultLogLevel() {
+		return defaultLevel;
+	}
+
 	public ExtendedLogReaderServiceImpl getService(Bundle bundle, ServiceRegistration<ExtendedLogReaderServiceImpl> registration) {
 		return new ExtendedLogReaderServiceImpl(this);
 	}
@@ -293,4 +299,5 @@ public class ExtendedLogReaderServiceFactory implements ServiceFactory<ExtendedL
 			return Collections.enumeration(new ArrayList<>(history));
 		}
 	}
+
 }
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogServiceFactory.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogServiceFactory.java
index a33f86c38..e20994355 100644
--- a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogServiceFactory.java
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/ExtendedLogServiceFactory.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2016 Cognos Incorporated, IBM Corporation and others
+ * Copyright (c) 2006, 2017 Cognos Incorporated, IBM Corporation and others
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0 which
  * accompanies this distribution, and is available at
@@ -25,7 +25,7 @@ public class ExtendedLogServiceFactory implements ServiceFactory<ExtendedLogServ
 	final ReentrantReadWriteLock contextsLock = new ReentrantReadWriteLock();
 	final LoggerContextTargetMap loggerContextTargetMap = new LoggerContextTargetMap();
 	private final Permission logPermission = new LogPermission("*", LogPermission.LOG); //$NON-NLS-1$
-	private final ExtendedLogReaderServiceFactory logReaderServiceFactory;
+	final ExtendedLogReaderServiceFactory logReaderServiceFactory;
 	private final LoggerAdmin loggerAdmin = new EquinoxLoggerAdmin();
 
 	public ExtendedLogServiceFactory(ExtendedLogReaderServiceFactory logReaderServiceFactory) {
@@ -150,7 +150,7 @@ public class ExtendedLogServiceFactory implements ServiceFactory<ExtendedLogServ
 					}
 				}
 				if (level == null) {
-					level = LogLevel.WARN;
+					level = logReaderServiceFactory.getDefaultLogLevel();
 				}
 				return level;
 			} finally {
diff --git a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/LogServiceManager.java b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/LogServiceManager.java
index 98baab7fd..8ee51d9dc 100644
--- a/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/LogServiceManager.java
+++ b/bundles/org.eclipse.osgi/container/src/org/eclipse/osgi/internal/log/LogServiceManager.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2006, 2016 Cognos Incorporated, IBM Corporation and others
+ * Copyright (c) 2006, 2017 Cognos Incorporated, IBM Corporation and others
  * All rights reserved. This program and the accompanying materials are made
  * available under the terms of the Eclipse Public License v1.0 which
  * accompanies this distribution, and is available at
@@ -35,8 +35,8 @@ public class LogServiceManager implements BundleListener, FrameworkListener, Ser
 	private EventAdminAdapter eventAdminAdapter;
 	private ConfigAdminListener configAdminListener;
 
-	public LogServiceManager(int maxHistory, LogListener... systemListeners) {
-		logReaderServiceFactory = new ExtendedLogReaderServiceFactory(maxHistory);
+	public LogServiceManager(int maxHistory, LogLevel defaultLevel, LogListener... systemListeners) {
+		logReaderServiceFactory = new ExtendedLogReaderServiceFactory(maxHistory, defaultLevel);
 		logServiceFactory = new ExtendedLogServiceFactory(logReaderServiceFactory);
 		systemBundleLog = logServiceFactory.getLogService(new MockSystemBundle());
 		for (LogListener logListener : systemListeners) {
-- 
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