protected void doExecute()

in src/main/java/org/apache/maven/plugins/dependency/fromDependencies/CopyDependenciesMojo.java [143:184]
36 lines of code
9 McCabe index (conditional complexity)

    protected void doExecute() throws MojoExecutionException {
        DependencyStatusSets dss = getDependencySets(this.failOnMissingClassifierArtifact, addParentPoms);
        Set<Artifact> artifacts = dss.getResolvedDependencies();

        if (!useRepositoryLayout) {
            Map<String, Integer> copies = new HashMap<>();
            for (Artifact artifactItem : artifacts) {
                String destFileName = DependencyUtil.getFormattedFileName(
                        artifactItem, stripVersion, prependGroupId, useBaseVersion, stripClassifier);
                int numCopies = copies.getOrDefault(destFileName, 0);
                copies.put(destFileName, numCopies + 1);
            }
            for (Map.Entry<String, Integer> entry : copies.entrySet()) {
                if (entry.getValue() > 1) {
                    getLog().warn("Multiple files with the name " + entry.getKey() + " in the dependency tree.");
                    getLog().warn(
                                    "Not all JARs will be available. Consider using prependGroupId, useSubDirectoryPerArtifact, or useRepositoryLayout.");
                }
            }

            for (Artifact artifact : artifacts) {
                copyArtifact(
                        artifact, isStripVersion(), this.prependGroupId, this.useBaseVersion, this.stripClassifier);
            }
        } else {
            ProjectBuildingRequest buildingRequest = getRepositoryManager()
                    .setLocalRepositoryBasedir(session.getProjectBuildingRequest(), outputDirectory);

            artifacts.forEach(artifact -> installArtifact(artifact, buildingRequest));
        }

        Set<Artifact> skippedArtifacts = dss.getSkippedDependencies();
        for (Artifact artifact : skippedArtifacts) {
            getLog().info(artifact.getId() + " already exists in destination.");
        }

        if (isCopyPom() && !useRepositoryLayout) {
            copyPoms(getOutputDirectory(), artifacts, this.stripVersion);
            copyPoms(getOutputDirectory(), skippedArtifacts, this.stripVersion, this.stripClassifier);
            // Artifacts that already exist may not yet have poms
        }
    }