| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.sling.installer.core.impl; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.sling.installer.api.InstallableResource; |
| import org.apache.sling.installer.api.ResourceChangeListener; |
| import org.apache.sling.installer.api.tasks.RegisteredResource; |
| import org.apache.sling.installer.api.tasks.ResourceTransformer; |
| import org.apache.sling.installer.api.tasks.RetryHandler; |
| import org.apache.sling.installer.api.tasks.TransformationResult; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.Version; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The default transformer transforms: |
| * - file resources containing a bundle into OSGI bundle resources |
| */ |
| public class DefaultTransformer |
| implements InternalService, ResourceTransformer { |
| |
| /** Logger */ |
| private final Logger logger = LoggerFactory.getLogger(this.getClass()); |
| |
| /** |
| * @see org.apache.sling.installer.core.impl.InternalService#init(org.osgi.framework.BundleContext, org.apache.sling.installer.api.ResourceChangeListener, RetryHandler) |
| */ |
| public void init(final BundleContext bctx, final ResourceChangeListener rcl, RetryHandler retryHandler) { |
| // nothing to do |
| } |
| |
| /** |
| * @see org.apache.sling.installer.core.impl.InternalService#deactivate() |
| */ |
| public void deactivate() { |
| // nothing to do |
| } |
| |
| /** |
| * @see org.apache.sling.installer.core.impl.InternalService#getDescription() |
| */ |
| public String getDescription() { |
| return "Apache Sling Installer - Default Resource Transformer"; |
| } |
| |
| /** |
| * @see org.apache.sling.installer.api.tasks.ResourceTransformer#transform(org.apache.sling.installer.api.tasks.RegisteredResource) |
| */ |
| public TransformationResult[] transform(final RegisteredResource resource) { |
| if ( resource.getType().equals(InstallableResource.TYPE_FILE) ) { |
| return checkBundle(resource); |
| } |
| return null; |
| } |
| |
| /** |
| * Check if the registered resource is a bundle. |
| * @return |
| */ |
| private TransformationResult[] checkBundle(final RegisteredResource resource) { |
| final Util.BundleHeaders headers = Util.readBundleHeaders(resource, logger); |
| if ( headers != null ) { |
| // check the version for validity |
| boolean validVersion = true; |
| try { |
| new Version(headers.version); |
| } catch (final IllegalArgumentException iae) { |
| logger.info("Rejecting bundle {} from {} due to invalid version information: {}.", |
| new Object[] {headers.symbolicName, resource, headers.version}); |
| validVersion = false; |
| } |
| if ( validVersion ) { |
| final Map<String, Object> attr = new HashMap<String, Object>(); |
| attr.put(Constants.BUNDLE_SYMBOLICNAME, headers.symbolicName); |
| attr.put(Constants.BUNDLE_VERSION, headers.version); |
| |
| // check for activation policy |
| if ( headers.activationPolicy != null ) { |
| attr.put(Constants.BUNDLE_ACTIVATIONPOLICY, headers.activationPolicy); |
| } |
| |
| final TransformationResult tr = new TransformationResult(); |
| tr.setId(headers.symbolicName); |
| tr.setResourceType(InstallableResource.TYPE_BUNDLE); |
| tr.setAttributes(attr); |
| |
| return new TransformationResult[] {tr}; |
| } |
| } |
| return null; |
| } |
| } |