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/*******************************************************************************
* Copyright (c) 2006, 2018 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at https://www.eclipse.org/legal/epl-2.0/
* or the Apache License, Version 2.0 which accompanies this distribution and
* is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following
* Secondary Licenses when the conditions for such availability set
* forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
* General Public License, version 2 with the GNU Classpath
* Exception [1] and GNU General Public License, version 2 with the
* OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
package org.eclipse.osgi.internal.cds;
import org.eclipse.osgi.framework.log.FrameworkLogEntry;
import org.eclipse.osgi.internal.framework.EquinoxContainer;
import org.eclipse.osgi.internal.hookregistry.HookConfigurator;
import org.eclipse.osgi.internal.hookregistry.HookRegistry;
import org.eclipse.osgi.internal.log.EquinoxLogServices;
public class CDSHookConfigurator implements HookConfigurator {
private static final String REPORT_ERRORS = "j9.cds.reporterrors"; //$NON-NLS-1$
private static final String DISABLE_CDS = "j9.cds.disable"; //$NON-NLS-1$
private static final String OLD_CDS_CONFIGURATOR = "com.ibm.cds.CDSHookConfigurator"; //$NON-NLS-1$
private static final String J9_SHARED_CLASS_HELPER_CLASS = "com.ibm.oti.shared.SharedClassHelperFactory"; //$NON-NLS-1$
@Override
public void addHooks(HookRegistry hookRegistry) {
boolean disableCDS = Boolean.valueOf(hookRegistry.getConfiguration().getProperty(DISABLE_CDS));
if (disableCDS) {
return;
}
// check for the external com.ibm.cds system.bundle fragment
try {
Class.forName(OLD_CDS_CONFIGURATOR);
// the old com.ibm.cds fragment is installed; disable build-in one
return;
} catch (ClassNotFoundException e) {
// expected
}
try {
Class.forName(J9_SHARED_CLASS_HELPER_CLASS);
} catch (ClassNotFoundException e) {
boolean reportErrors = Boolean.valueOf(hookRegistry.getConfiguration().getProperty(REPORT_ERRORS));
// not running on J9
if (reportErrors) {
EquinoxContainer container = hookRegistry.getContainer();
EquinoxLogServices logServices = container.getLogServices();
logServices.log(EquinoxContainer.NAME, FrameworkLogEntry.WARNING, "The J9 Class Sharing Adaptor will not work in this configuration. You are not running on a J9 Java VM.", null); //$NON-NLS-1$
}
return;
}
new CDSHookImpls().registerHooks(hookRegistry);
}
}
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