| /* |
| * 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.feature.inventoryservice.impl; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static java.nio.file.Files.newBufferedReader; |
| |
| import java.io.BufferedReader; |
| import java.io.PrintWriter; |
| import java.net.URI; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import org.apache.felix.inventory.Format; |
| import org.apache.felix.inventory.InventoryPrinter; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.service.component.annotations.Activate; |
| |
| abstract class AbstractFeatureInventoryPrinter implements InventoryPrinter { |
| |
| private static final String SLING_FEATURE_PROPERTY_NAME = "sling.feature"; |
| |
| @Activate |
| BundleContext bundleContext; |
| |
| @Override |
| public final void print(PrintWriter printWriter, Format format, boolean isZip) { |
| String featureLocation = bundleContext.getProperty(SLING_FEATURE_PROPERTY_NAME); |
| URI previousFeatureURI = URI.create(featureLocation); |
| Path previousFeaturePath = Paths.get(previousFeatureURI); |
| |
| try (BufferedReader reader = newBufferedReader(previousFeaturePath, UTF_8)) { |
| onFeature(featureLocation, reader, printWriter); |
| } catch (Exception e) { |
| e.printStackTrace(printWriter); |
| } |
| printWriter.println(); |
| } |
| |
| protected abstract void onFeature(String featureLocation, BufferedReader reader, PrintWriter printWriter) throws Exception; |
| |
| } |