com.github.exabrial.checkpgpsignaturesplugin.repo.AscArtifactHandler Maven / Gradle / Ivy

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Automatically check PGP signatures on downloaded artifacts using GPG

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/*
 * Copyright 2017 Slawomir Jaranowski
 *
 * 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 com.github.exabrial.checkpgpsignaturesplugin.repo;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.handler.ArtifactHandler;

/**
 * Wrapper around an {@code ArtifactHandler} for an artifact, to retrieve its
 * PGP signature file.
 */
public class AscArtifactHandler implements ArtifactHandler {
	private final ArtifactHandler wrappedHandler;

	/**
	 * Initializes a new ASC Artifact Handler for the provided artifact.
	 *
	 * @param targetArtifact
	 *          The artifact for which a GPG signature artifact is desired.
	 */
	public AscArtifactHandler(final Artifact targetArtifact) {
		this(targetArtifact.getArtifactHandler());
	}

	/**
	 * Initializes a new ASC Artifact Handler to wrap the provided regular artifact
	 * handler.
	 *
	 * The GPG signature file returned will correspond to the artifact that the
	 * specified artifact handler resolves.
	 *
	 * @param wrappedHandler
	 *          An artifact handler that will be wrapped by this ASC Artifact
	 *          Handler, such that all information about the target artifact come
	 *          from the provided handler, except for the file extension (".asc").
	 */
	public AscArtifactHandler(final ArtifactHandler wrappedHandler) {
		this.wrappedHandler = wrappedHandler;
	}

	@Override
	public String getExtension() {
		return wrappedHandler.getExtension() + ".asc";
	}

	@Override
	public String getDirectory() {
		return wrappedHandler.getDirectory();
	}

	@Override
	public String getClassifier() {
		return wrappedHandler.getClassifier();
	}

	@Override
	public String getPackaging() {
		return wrappedHandler.getPackaging();
	}

	@Override
	public boolean isIncludesDependencies() {
		return wrappedHandler.isIncludesDependencies();
	}

	@Override
	public String getLanguage() {
		return wrappedHandler.getLanguage();
	}

	@Override
	public boolean isAddedToClasspath() {
		return wrappedHandler.isAddedToClasspath();
	}
}