| /* |
| * Copyright (c) OSGi Alliance (2005, 2008). All Rights Reserved. |
| * |
| * Licensed 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.osgi.service.deploymentadmin.spi; |
| |
| import org.osgi.service.deploymentadmin.DeploymentPackage; |
| |
| /** |
| * The session interface represents a currently running deployment session |
| * (install/update/uninstall).<p> |
| * |
| * When a deployment package is installed the target package, when uninstalled the |
| * source package is an empty deployment package. The empty deployment package is a virtual |
| * entity it doesn't appear for the outside world. It is only visible on the |
| * DeploymentSession interface used by Resource Processors. Although the empty package |
| * is only visible for Resource Processors it has the following characteristics:<p> |
| * |
| * <ul> |
| * <li>has version 0.0.0</li> |
| * <li>its name is an empty string</li> |
| * <li>it is stale</li> |
| * <li>it has no bundles |
| * (see {@link DeploymentPackage#getBundle(String)})</li> |
| * <li>it has no resources |
| * (see {@link DeploymentPackage#getResources()})</li> |
| * <li>it has no headers except <br/> |
| * <code>DeploymentPackage-SymbolicName</code> and <br/> |
| * <code>DeploymentPackage-Version</code> <br/> |
| * (see {@link DeploymentPackage#getHeader(String)})</li> |
| * <li>it has no resource headers (see |
| * {@link DeploymentPackage#getResourceHeader(String, String)})</li> |
| * <li>{@link DeploymentPackage#uninstall()} throws |
| * {@link java.lang.IllegalStateException}</li> |
| * <li>{@link DeploymentPackage#uninstallForced()} throws |
| * {@link java.lang.IllegalStateException}</li> |
| * </ul> |
| * |
| */ |
| public interface DeploymentSession { |
| |
| /** |
| * If the deployment action is an update or an uninstall, this call returns |
| * the <code>DeploymentPackage</code> instance for the installed deployment package. If the |
| * deployment action is an install, this call returns the empty deployment package (see |
| * {@link DeploymentPackage}). |
| * |
| * @return the target deployment package |
| * @see DeploymentPackage |
| */ |
| DeploymentPackage getTargetDeploymentPackage(); |
| |
| /** |
| * If the deployment action is an install or an update, this call returns |
| * the <code>DeploymentPackage</code> instance that corresponds to the deployment package |
| * being streamed in for this session. If the deployment action is an uninstall, this call |
| * returns the empty deployment package (see {@link DeploymentPackage}). |
| * |
| * @return the source deployment package |
| * @see DeploymentPackage |
| */ |
| DeploymentPackage getSourceDeploymentPackage(); |
| |
| /** |
| * Returns the private data area of the specified bundle. The bundle must be part of |
| * either the source or the target deployment packages. The permission set the caller |
| * resource processor needs to manipulate the private area of the bundle is set by the |
| * Deployment Admin on the fly when this method is called. The permissions remain available |
| * during the deployment action only.<p> |
| * |
| * The bundle and the caller Resource Processor have to be in the same Deployment Package. |
| * |
| * @param bundle the bundle the private area belongs to |
| * @return file representing the private area of the bundle. It cannot be null. |
| * @throws SecurityException if the caller doesn't have the appropriate |
| * {@link DeploymentCustomizerPermission}("<filter>", "privatearea") permission. |
| * @see DeploymentPackage |
| * @see DeploymentCustomizerPermission |
| */ |
| java.io.File getDataFile(org.osgi.framework.Bundle bundle); |
| |
| } |
| |