guru.nidi.maven.tools.backport7to6.AbstractBackport7to6Mojo.java Source code

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Here is the source code for guru.nidi.maven.tools.backport7to6.AbstractBackport7to6Mojo.java

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/*
 * Copyright  2014 Stefan Niederhauser (nidin@gmx.ch)
 *
 * 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 guru.nidi.maven.tools.backport7to6;

import guru.nidi.maven.tools.MavenUtil;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.apache.maven.repository.RepositorySystem;
import org.codehaus.mojo.animal_sniffer.ClassFileVisitor;
import org.codehaus.mojo.animal_sniffer.ClassListBuilder;
import org.codehaus.mojo.animal_sniffer.SignatureChecker;
import org.codehaus.mojo.animal_sniffer.logging.Logger;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Arrays;
import java.util.Set;

public abstract class AbstractBackport7to6Mojo extends AbstractMojo {
    @Parameter(defaultValue = "${project}", readonly = true)
    protected MavenProject project;

    @Parameter(defaultValue = "${session}", readonly = true)
    protected MavenSession session;

    @Component
    protected RepositorySystem repository;

    protected SignatureChecker getChecker(MavenProject project) throws IOException {
        final File signature = MavenUtil.resolveArtifactFile(session, repository, "org.codehaus.mojo.signature",
                "java16", "1.1", "signature").getFile();
        final SignatureChecker checker = new SignatureChecker(new FileInputStream(signature),
                buildPackageList(project), new SnifferLogger());
        checker.setSourcePath(Arrays.asList(new File(".")));
        return checker;
    }

    private Set<String> buildPackageList(MavenProject project) throws IOException {
        ClassListBuilder plb = new ClassListBuilder(new SnifferLogger());
        apply(project, plb);
        return plb.getPackages();
    }

    private void apply(MavenProject project, ClassFileVisitor v) throws IOException {
        v.process(new File(project.getBuild().getOutputDirectory()));
        for (Artifact artifact : project.getArtifacts()) {
            if (artifact.getArtifactHandler().isAddedToClasspath()) {
                if (Artifact.SCOPE_COMPILE.equals(artifact.getScope())
                        || Artifact.SCOPE_PROVIDED.equals(artifact.getScope())
                        || Artifact.SCOPE_SYSTEM.equals(artifact.getScope())) {
                    v.process(artifact.getFile());
                }
            }
        }
    }

    class SnifferLogger implements Logger {
        public void info(String message) {
            getLog().info(message);
        }

        public void info(String message, Throwable t) {
            getLog().info(message, t);
        }

        public void debug(String message) {
            getLog().debug(message);
        }

        public void debug(String message, Throwable t) {
            getLog().debug(message, t);
        }

        public void warn(String message) {
            getLog().warn(message);
        }

        public void warn(String message, Throwable t) {
            getLog().warn(message, t);
        }

        public void error(String message) {
            getLog().error(message);
        }

        public void error(String message, Throwable t) {
            getLog().error(message, t);
        }
    }
}