/jboss-as-7.1.1.Final/osgi/service/src/main/java/org/jboss/as/osgi/parser/BundleRuntimeHandler.java
Java | 186 lines | 140 code | 22 blank | 24 comment | 32 complexity | c3441e215bd6278f2b33ef9a8c9afd13 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * JBoss, Home of Professional Open Source.
- * Copyright 2011, Red Hat, Inc., and individual contributors
- * as indicated by the @author tags. See the copyright.txt file 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.jboss.as.osgi.parser;
- import java.util.Arrays;
- import java.util.EnumSet;
- import java.util.Locale;
- import java.util.ResourceBundle;
- import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
- import org.jboss.as.controller.OperationContext;
- import org.jboss.as.controller.OperationFailedException;
- import org.jboss.as.controller.PathAddress;
- import org.jboss.as.controller.descriptions.DescriptionProvider;
- import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
- import org.jboss.as.controller.descriptions.common.CommonDescriptions;
- import org.jboss.as.controller.registry.AttributeAccess;
- import org.jboss.as.controller.registry.ManagementResourceRegistration;
- import org.jboss.as.controller.registry.OperationEntry;
- import org.jboss.as.osgi.OSGiMessages;
- import org.jboss.dmr.ModelNode;
- import org.jboss.msc.service.ServiceController;
- import org.jboss.osgi.framework.Services;
- import org.osgi.framework.Bundle;
- import org.osgi.framework.BundleContext;
- import org.osgi.framework.BundleException;
- import org.osgi.framework.Constants;
- import org.osgi.framework.ServiceReference;
- import org.osgi.service.startlevel.StartLevel;
- /**
- * @author David Bosschaert
- */
- public class BundleRuntimeHandler extends AbstractRuntimeOnlyHandler {
- static final BundleRuntimeHandler INSTANCE = new BundleRuntimeHandler();
- static final String [] ATTRIBUTES = { ModelConstants.ID, ModelConstants.STARTLEVEL,
- ModelConstants.STATE, ModelConstants.SYMBOLIC_NAME, ModelConstants.TYPE, ModelConstants.VERSION };
- static final String START_OPERATION = "start";
- static final String STOP_OPERATION = "stop";
- static final String [] OPERATIONS = { START_OPERATION, STOP_OPERATION };
- private BundleRuntimeHandler() {
- }
- void register(ManagementResourceRegistration registry) {
- for (String attr : ATTRIBUTES) {
- registry.registerReadOnlyAttribute(attr, this, AttributeAccess.Storage.RUNTIME);
- }
- for (final String op : OPERATIONS) {
- registry.registerOperationHandler(op, this, new DescriptionProvider() {
- @Override
- public ModelNode getModelDescription(Locale locale) {
- ResourceBundle resourceBundle = OSGiSubsystemProviders.getResourceBundle(locale);
- return CommonDescriptions.getDescriptionOnlyOperation(resourceBundle, op, ModelConstants.BUNDLE);
- }
- }, EnumSet.of(OperationEntry.Flag.RESTART_NONE));
- }
- }
- @Override
- protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
- final String operationName = operation.require(ModelDescriptionConstants.OP).asString();
- if (ModelDescriptionConstants.READ_ATTRIBUTE_OPERATION.equals(operationName)) {
- handleReadAttribute(context, operation);
- } else if (Arrays.asList(OPERATIONS).contains(operationName)) {
- handleOperation(operationName, context, operation);
- }
- }
- private void handleReadAttribute(OperationContext context, ModelNode operation) {
- String name = operation.require(ModelDescriptionConstants.NAME).asString();
- Long id = Long.parseLong(PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR)).getLastElement().getValue());
- BundleContext bc = getBundleContext(context);
- Bundle bundle = bc.getBundle(id);
- if (ModelConstants.ID.equals(name)) {
- context.getResult().set(id);
- } else if (ModelConstants.STARTLEVEL.equals(name)) {
- Integer startLevel = getStartLevel(bc, bundle);
- if (startLevel != null) {
- context.getResult().set(startLevel);
- } else {
- context.getFailureDescription().set(OSGiMessages.MESSAGES.serviceNotAvailable());
- }
- } else if (ModelConstants.STATE.equals(name)) {
- context.getResult().set(getBundleState(bundle));
- } else if (ModelConstants.SYMBOLIC_NAME.equals(name)) {
- context.getResult().set(bundle.getSymbolicName());
- } else if (ModelConstants.TYPE.equals(name)) {
- if (bundle.getHeaders().get(Constants.FRAGMENT_HOST) != null) {
- context.getResult().set(ModelConstants.FRAGMENT);
- } else {
- context.getResult().set(ModelConstants.BUNDLE);
- }
- } else if (ModelConstants.VERSION.equals(name)) {
- context.getResult().set(bundle.getVersion().toString());
- }
- context.completeStep();
- }
- private void handleOperation(String operationName, OperationContext context, ModelNode operation) {
- Long id = Long.parseLong(PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR)).getLastElement().getValue());
- BundleContext bc = getBundleContext(context);
- Bundle bundle = bc.getBundle(id);
- try {
- if (START_OPERATION.equals(operationName)) {
- bundle.start();
- } else if (STOP_OPERATION.equals(operationName)) {
- bundle.stop();
- }
- } catch (BundleException e) {
- context.getFailureDescription().set(e.getLocalizedMessage());
- }
- context.completeStep();
- }
- static String getBundleState(Bundle bundle) {
- switch (bundle.getState()) {
- case Bundle.UNINSTALLED:
- return "UNINSTALLED";
- case Bundle.INSTALLED:
- return "INSTALLED";
- case Bundle.RESOLVED:
- return "RESOLVED";
- case Bundle.STARTING:
- return "STARTING";
- case Bundle.STOPPING:
- return "STOPPING";
- case Bundle.ACTIVE:
- return "ACTIVE";
- }
- return null;
- }
- private BundleContext getBundleContext(OperationContext context) {
- ServiceController<?> sbs = context.getServiceRegistry(false).getService(Services.SYSTEM_BUNDLE);
- if (sbs == null) {
- return null;
- }
- Bundle systemBundle = Bundle.class.cast(sbs.getValue());
- return systemBundle.getBundleContext();
- }
- private Integer getStartLevel(BundleContext bc, Bundle b) {
- ServiceReference sref = bc.getServiceReference(StartLevel.class.getName());
- if (sref == null)
- return null;
- try {
- Object sls = bc.getService(sref);
- if (sls instanceof StartLevel == false)
- return null;
- return ((StartLevel) sls).getBundleStartLevel(b);
- } finally {
- bc.ungetService(sref);
- }
- }
- }