Author: chris.laprun(a)jboss.com Date: 2010-10-05 09:29:49 -0400 (Tue, 05 Oct 2010) New Revision: 4508 Added: components/common/trunk/common/src/main/java/org/gatein/common/RuntimeContext.java components/common/trunk/common/src/test/java/org/gatein/common/RuntimeContextTestCase.java Log: - GTNCOMMON-12: Added RuntimContext to deal with gatein.runtime.context property in an easier manner. Added: components/common/trunk/common/src/main/java/org/gatein/common/RuntimeContext.java =================================================================== --- components/common/trunk/common/src/main/java/org/gatein/common/RuntimeContext.java (rev 0) +++ components/common/trunk/common/src/main/java/org/gatein/common/RuntimeContext.java 2010-10-05 13:29:49 UTC (rev 4508) @@ -0,0 +1,99 @@ +/* + * JBoss, a division of Red Hat + * Copyright 2010, Red Hat Middleware, LLC, and individual + * contributors as indicated by the @authors tag. See the + * copyright.txt in the distribution for a full listing of + * individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.gatein.common; + +/** + * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a> + * @version $Revision$ + */ +public class RuntimeContext +{ + public static final String GATEIN_RUNTIME_CONTEXT_PROP_NAME = "gatein.runtime.context"; + + private final RunningEnvironment ENV; + + /** + * Only here for testing purposes... :( + * + * @param runtimeContextValue + */ + RuntimeContext(String runtimeContextValue) + { + RunningEnvironment runningEnvironment = RunningEnvironment.UNKNOWN; + try + { + runningEnvironment = RunningEnvironment.valueOf(runtimeContextValue); + } + catch (IllegalArgumentException e) + { + // nothing to do + } + + ENV = runningEnvironment; + } + + private RuntimeContext() + { + this(System.getProperty(GATEIN_RUNTIME_CONTEXT_PROP_NAME, RunningEnvironment.gtn.getName())); + } + + // On-demand class holder Singleton pattern (multi-thread safe) + + private static final class InstanceHolder + { + public static final RuntimeContext instance = new RuntimeContext(); + } + + public static RuntimeContext getInstance() + { + return InstanceHolder.instance; + } + + public enum RunningEnvironment + { + epp("epp"), gtn("gtn"), plf("plf"), UNKNOWN("__unknown__"); + + RunningEnvironment(String name) + { + this.name = name; + } + + public String getName() + { + return name; + } + + private final String name; + } + + public boolean isRunningIn(RunningEnvironment env) + { + return ENV.equals(env); + } + + public boolean isRunningInUnknownEnvironment() + { + return RunningEnvironment.UNKNOWN.equals(ENV); + } +} Added: components/common/trunk/common/src/test/java/org/gatein/common/RuntimeContextTestCase.java =================================================================== --- components/common/trunk/common/src/test/java/org/gatein/common/RuntimeContextTestCase.java (rev 0) +++ components/common/trunk/common/src/test/java/org/gatein/common/RuntimeContextTestCase.java 2010-10-05 13:29:49 UTC (rev 4508) @@ -0,0 +1,60 @@ +/* + * JBoss, a division of Red Hat + * Copyright 2010, Red Hat Middleware, LLC, and individual + * contributors as indicated by the @authors tag. See the + * copyright.txt in the distribution for a full listing of + * individual contributors. + * + * This is free software; you can redistribute it and/or modify it + * under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this software; if not, write to the Free + * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA, or see the FSF site: http://www.fsf.org. + */ + +package org.gatein.common; + +import junit.framework.TestCase; + +/** + * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a> + * @version $Revision$ + */ +public class RuntimeContextTestCase extends TestCase +{ + public void testDefaultShouldBeGateIn() + { + assertTrue(RuntimeContext.getInstance().isRunningIn(RuntimeContext.RunningEnvironment.gtn)); + } + + public void testIsUnknown() + { + System.setProperty(RuntimeContext.GATEIN_RUNTIME_CONTEXT_PROP_NAME, "foo"); + + assertTrue(RuntimeContext.getInstance().isRunningInUnknownEnvironment()); + } + + public void testKnownValues() + { + setAndAssert(RuntimeContext.RunningEnvironment.epp.getName()); + setAndAssert(RuntimeContext.RunningEnvironment.gtn.getName()); + setAndAssert(RuntimeContext.RunningEnvironment.plf.getName()); + } + + private void setAndAssert(final String value) + { + System.setProperty(RuntimeContext.GATEIN_RUNTIME_CONTEXT_PROP_NAME, value); + + RuntimeContext instance = new RuntimeContext(value); + assertTrue(instance.isRunningIn(RuntimeContext.RunningEnvironment.valueOf(value))); + } +}