diff options
Diffstat (limited to 'plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/internal/util/bundle/AbstractOMPlatform.java')
| -rw-r--r-- | plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/internal/util/bundle/AbstractOMPlatform.java | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/internal/util/bundle/AbstractOMPlatform.java b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/internal/util/bundle/AbstractOMPlatform.java new file mode 100644 index 0000000000..b485ae8d9a --- /dev/null +++ b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/internal/util/bundle/AbstractOMPlatform.java @@ -0,0 +1,172 @@ +/*************************************************************************** + * Copyright (c) 2004 - 2007 Eike Stepper, Germany. + * 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 + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Eike Stepper - initial API and implementation + **************************************************************************/ +package org.eclipse.net4j.internal.util.bundle; + +import org.eclipse.net4j.util.om.OMBundle; +import org.eclipse.net4j.util.om.OMLogHandler; +import org.eclipse.net4j.util.om.OMLogger; +import org.eclipse.net4j.util.om.OMPlatform; +import org.eclipse.net4j.util.om.OMTraceHandler; +import org.eclipse.net4j.util.om.OMLogger.Level; +import org.eclipse.net4j.util.om.OMTraceHandler.Event; +import org.eclipse.net4j.util.om.trace.ContextTracer; + +import java.util.Map; +import java.util.Queue; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.ConcurrentLinkedQueue; + +/** + * @author Eike Stepper + */ +public abstract class AbstractOMPlatform implements OMPlatform +{ + static Object systemContext; + + private static ContextTracer __TRACER__; + + private Map<String, AbstractOMBundle> bundles = new ConcurrentHashMap(0); + + private Queue<OMLogHandler> logHandlers = new ConcurrentLinkedQueue(); + + private Queue<OMTraceHandler> traceHandlers = new ConcurrentLinkedQueue(); + + private boolean debugging; + + protected AbstractOMPlatform() + { + debugging = Boolean.parseBoolean(System.getProperty("debug", "false")); //$NON-NLS-1$ //$NON-NLS-2$ + } + + public synchronized OMBundle bundle(String bundleID, Class accessor) + { + OMBundle bundle = bundles.get(bundleID); + if (bundle == null) + { + bundle = createBundle(bundleID, accessor); + } + + return bundle; + } + + public void addLogHandler(OMLogHandler logHandler) + { + if (!logHandlers.contains(logHandler)) + { + logHandlers.add(logHandler); + } + } + + public void removeLogHandler(OMLogHandler logHandler) + { + logHandlers.remove(logHandler); + } + + public void addTraceHandler(OMTraceHandler traceHandler) + { + if (!traceHandlers.contains(traceHandler)) + { + traceHandlers.add(traceHandler); + } + } + + public void removeTraceHandler(OMTraceHandler traceHandler) + { + traceHandlers.remove(traceHandler); + } + + public boolean isDebugging() + { + return debugging; + } + + public void setDebugging(boolean debugging) + { + this.debugging = debugging; + } + + protected void log(OMLogger logger, Level level, String msg, Throwable t) + { + for (OMLogHandler logHandler : logHandlers) + { + try + { + logHandler.logged(logger, level, msg, t); + } + catch (Exception ex) + { + if (TRACER().isEnabled()) + { + TRACER().trace(ex); + } + } + } + } + + protected void trace(Event event) + { + for (OMTraceHandler traceHandler : traceHandlers) + { + try + { + traceHandler.traced(event); + } + catch (Exception ex) + { + if (TRACER().isEnabled()) + { + TRACER().trace(ex); + } + } + } + } + + protected abstract OMBundle createBundle(String bundleID, Class accessor); + + protected abstract String getDebugOption(String bundleID, String option); + + protected abstract void setDebugOption(String bundleID, String option, String value); + + /** + * TODO Make configurable via system property + */ + public static synchronized OMPlatform createPlatform() + { + try + { + if (systemContext != null) + { + return new OSGiPlatform(systemContext); + } + + return new LegacyPlatform(); + } + catch (Exception ex) + { + if (TRACER().isEnabled()) + { + TRACER().trace(ex); + } + } + + return null; + } + + private static ContextTracer TRACER() + { + if (__TRACER__ == null) + { + __TRACER__ = new ContextTracer(OM.DEBUG_OM, AbstractOMPlatform.class); + } + + return __TRACER__; + } +}
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