001/*
002 * (C) Copyright 2015 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl-2.1.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Thierry Delprat <tdelprat@nuxeo.com>
016 *     Stephane Lacoin <slacoin@nuxeo.com>
017 *     Vladimir Pasquier <vpasquier@nuxeo.com>
018 */
019package org.nuxeo.automation.scripting.internals;
020
021import javax.script.ScriptEngineManager;
022
023import org.apache.commons.logging.Log;
024import org.apache.commons.logging.LogFactory;
025import org.nuxeo.automation.scripting.api.AutomationScriptingConstants;
026import org.nuxeo.automation.scripting.api.AutomationScriptingService;
027import org.nuxeo.automation.scripting.internals.operation.ScriptingOperationDescriptor;
028import org.nuxeo.automation.scripting.internals.operation.ScriptingOperationTypeImpl;
029import org.nuxeo.ecm.automation.AutomationService;
030import org.nuxeo.ecm.automation.OperationException;
031import org.nuxeo.ecm.core.api.NuxeoException;
032import org.nuxeo.runtime.api.Framework;
033import org.nuxeo.runtime.management.metrics.MetricInvocationHandler;
034import org.nuxeo.runtime.model.ComponentContext;
035import org.nuxeo.runtime.model.ComponentInstance;
036import org.nuxeo.runtime.model.DefaultComponent;
037
038/**
039 * @since 7.2
040 */
041public class AutomationScriptingComponent extends DefaultComponent {
042
043    private static final Log log = LogFactory.getLog(AutomationScriptingComponent.class);
044
045    protected ScriptingFactory scriptingFactory;
046
047    public AutomationScriptingService scriptingService;
048
049    @Override
050    public void activate(ComponentContext context) {
051        super.activate(context);
052        scriptingFactory = new ScriptingFactory();
053        scriptingFactory.install();
054        if (Boolean.valueOf(Framework.getProperty(AutomationScriptingConstants.AUTOMATION_SCRIPTING_MONITOR,
055                Boolean.toString(log.isTraceEnabled())))) {
056            scriptingService = MetricInvocationHandler.newProxy(scriptingService, AutomationScriptingService.class);
057        } else {
058            scriptingService = new AutomationScriptingServiceImpl();
059        }
060    }
061
062    @Override
063    public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
064        if (AutomationScriptingConstants.XP_OPERATION.equals(extensionPoint)) {
065            AutomationService automationService = Framework.getLocalService(AutomationService.class);
066            ScriptingOperationDescriptor desc = (ScriptingOperationDescriptor) contribution;
067            ScriptingOperationTypeImpl type = new ScriptingOperationTypeImpl(automationService, desc);
068            try {
069                automationService.putOperation(type, true);
070            } catch (OperationException e) {
071                throw new NuxeoException(e);
072            }
073        } else {
074            log.error("Unknown extension point " + extensionPoint);
075        }
076    }
077
078    @Override
079    public void unregisterContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
080        if (AutomationScriptingConstants.XP_OPERATION.equals(extensionPoint)) {
081            AutomationService automationService = Framework.getLocalService(AutomationService.class);
082            ScriptingOperationDescriptor desc = (ScriptingOperationDescriptor) contribution;
083            ScriptingOperationTypeImpl type = new ScriptingOperationTypeImpl(automationService, desc);
084            automationService.removeOperation(type);
085        } else {
086            log.error("Unknown extension point " + extensionPoint);
087        }
088    }
089
090    @Override
091    public void deactivate(ComponentContext context) {
092        super.deactivate(context);
093    }
094
095    @Override
096    public void applicationStarted(ComponentContext context) {
097        super.applicationStarted(context);
098    }
099
100    @Override
101    public <T> T getAdapter(Class<T> adapter) {
102        if (adapter.isAssignableFrom(AutomationScriptingService.class)) {
103            return adapter.cast(scriptingService);
104        }
105        if (adapter.isAssignableFrom(ScriptEngineManager.class)) {
106            return adapter.cast(scriptingFactory.scriptEngineManager);
107        }
108        return null;
109    }
110
111}