| /* |
| * 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.distribution.serialization; |
| |
| import javax.annotation.CheckForNull; |
| import javax.annotation.Nonnull; |
| import java.io.InputStream; |
| |
| import aQute.bnd.annotation.ProviderType; |
| import org.apache.sling.api.resource.ResourceResolver; |
| import org.apache.sling.distribution.DistributionException; |
| import org.apache.sling.distribution.DistributionRequest; |
| |
| /** |
| * A builder for {@link DistributionPackage}s |
| */ |
| @ProviderType |
| public interface DistributionPackageBuilder { |
| |
| /** |
| * returns the type of a package. Only packages of this type will be accepted by the package builder. |
| * @return the package type. |
| */ |
| String getType(); |
| |
| /** |
| * creates a {@link DistributionPackage} for a specific {@link org.apache.sling.distribution.DistributionRequest} |
| * |
| * @param resourceResolver the resource resolver used to access the resources to be packaged |
| * @param request the {@link org.apache.sling.distribution.DistributionRequest} to create the package for |
| * @return a {@link DistributionPackage} or <code>null</code> if it could not be created |
| * @throws DistributionException if any error occurs while creating the package, or if the resource resolver is not authorized to do that |
| */ |
| @Nonnull |
| DistributionPackage createPackage(@Nonnull ResourceResolver resourceResolver, @Nonnull DistributionRequest request) throws DistributionException; |
| |
| /** |
| * reads a stream and tries to convert it to a {@link DistributionPackage} this provider can read and install |
| * |
| * @param resourceResolver resource resolver used to store the eventually created package |
| * @param stream the {@link InputStream} of the package to read |
| * @return a {@link DistributionPackage} if it can read it from the stream |
| * @throws DistributionException when the stream cannot be read as a {@link DistributionPackage} |
| */ |
| @Nonnull |
| DistributionPackage readPackage(@Nonnull ResourceResolver resourceResolver, @Nonnull InputStream stream) throws DistributionException; |
| |
| /** |
| * get an already created (and saved into the repository) {@link DistributionPackage} by its id |
| * |
| * @param resourceResolver resource resolver used to access the package with the given id |
| * @param id the unique identifier of an already created {@link DistributionPackage} |
| * @return a {@link DistributionPackage} if one with such an id exists, <code>null</code> otherwise |
| * @throws DistributionException when the stream the package with that id cannot be retrieved |
| */ |
| @CheckForNull |
| DistributionPackage getPackage(@Nonnull ResourceResolver resourceResolver, @Nonnull String id) throws DistributionException; |
| |
| /** |
| * Installs the given distributionPackage into the repository |
| * |
| * @param resourceResolver the resource resolver used to install the packaged resources |
| * @param distributionPackage the distribution package to install |
| * @return <code>true</code> if the package was installed successfully |
| * @throws DistributionException |
| */ |
| boolean installPackage(@Nonnull ResourceResolver resourceResolver, @Nonnull DistributionPackage distributionPackage) throws DistributionException; |
| |
| } |