stataru8 commented on code in PR #341: URL: https://github.com/apache/camel-karaf/pull/341#discussion_r1635252616
########## tooling/camel-karaf-feature-maven-plugin/src/main/java/org/apache/camel/karaf/feature/maven/ConfigureWrapSpiProvider.java: ########## @@ -0,0 +1,134 @@ +/** + * 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 + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * 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.camel.karaf.feature.maven; + +import java.io.File; +import java.io.IOException; +import java.util.List; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.zip.ZipFile; + +import org.apache.karaf.features.internal.model.Bundle; +import org.apache.karaf.features.internal.model.Dependency; +import org.apache.karaf.features.internal.model.Feature; +import org.apache.maven.plugins.annotations.Component; +import org.apache.maven.plugins.annotations.LifecyclePhase; +import org.apache.maven.plugins.annotations.Mojo; +import org.apache.maven.plugins.annotations.Parameter; +import org.eclipse.aether.RepositorySystem; +import org.eclipse.aether.RepositorySystemSession; +import org.eclipse.aether.artifact.DefaultArtifact; +import org.eclipse.aether.repository.RemoteRepository; +import org.eclipse.aether.resolution.ArtifactRequest; + + +@Mojo(name = "configure-wrap-spi-provider", defaultPhase = LifecyclePhase.PROCESS_RESOURCES) +public class ConfigureWrapSpiProvider extends AbstractWrapBundleMojo { + + private static final Pattern WRAP_PROTOCOL = Pattern.compile("wrap:mvn:([^/]+)/([^/]+)/([^$]+)(\\$([^=]+=[^&]+)(&([^=]+=[^&]+))*)?"); + private static final String SPI_PROVIDER = "SPI-Provider"; + private static final String SPI_HEADER = "%s=*".formatted(SPI_PROVIDER); + + @Component + private RepositorySystem repoSystem; + + @Parameter(defaultValue = "${repositorySystemSession}", readonly = true, required = true) + private RepositorySystemSession repoSession; + + @Parameter(defaultValue = "${project.remoteProjectRepositories}", readonly = true, required = true) + private List<RemoteRepository> repositories; + + @Override + protected void onFeatureUpdated(Feature feature) { + if (!containsSpiFly(feature)) { + // Add spifly as a prerequisite if not exists + Dependency dependency = new Dependency("spifly", null); + dependency.setPrerequisite(true); + feature.getFeature().add(dependency); + } + } + + private static boolean containsSpiFly(Feature feature) { + return feature.getFeature().stream().anyMatch(d -> "spifly".equals(d.getName())); + } + + @Override + protected boolean processWrappedBundle(Bundle bundle) { + String location = bundle.getLocation(); + Matcher matcher = WRAP_PROTOCOL.matcher(location); + if (matcher.matches()) { + String groupId = matcher.group(1); + String artifactId = matcher.group(2); + String version = matcher.group(3); + String options = matcher.group(4); + if (options != null && options.contains(SPI_PROVIDER)) { + return false; + } else if (provideSPI(groupId, artifactId, version)) { + addHeader(bundle, options, location); + return true; + } + } + return false; + } + + private static void addHeader(Bundle bundle, String options, String location) { + String separator; + if (options == null) { + separator = "$"; + } else if (options.endsWith("&") || options.endsWith("$")) { + separator = ""; + } else { + separator = "&"; + } + bundle.setLocation("%s%s%s".formatted(location, separator, SPI_HEADER)); + } + + private boolean provideSPI(String groupId, String artifactId, String version) { + File file = downloadArtifact(groupId, artifactId, version); + if (file == null) { + getLog().warn("Could not download artifact %s:%s:%s".formatted(groupId, artifactId, version)); + return false; + } + try { + return containsSPI(file); + } catch (IOException e) { + getLog().warn("Could not check artifact %s:%s:%s".formatted(groupId, artifactId, version), e); + } + return false; + } + + private static boolean containsSPI(File file) throws IOException { + try (ZipFile zip = new ZipFile(file)) { + return zip.getEntry("META-INF/services") != null; + } + } + + private File downloadArtifact(String groupId, String artifactId, String version) { Review Comment: maybe rename this method to `resolveArtifact` or `resolveArtifact`? -- This is an automated message from the Apache Git Service. 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