net.kemitix.dependency.digraph.maven.plugin.DotFileFormatSimple Maven / Gradle / Ivy

/*
The MIT License (MIT)

Copyright (c) 2016 Paul Campbell

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

package net.kemitix.dependency.digraph.maven.plugin;

import java.util.stream.Collectors;

import javax.annotation.concurrent.Immutable;

import net.kemitix.dependency.digraph.maven.plugin.digraph.EdgeElement;
import net.kemitix.dependency.digraph.maven.plugin.digraph.GraphElement;
import net.kemitix.dependency.digraph.maven.plugin.digraph.NodeElement;
import net.kemitix.dependency.digraph.maven.plugin.digraph.Subgraph;
import net.kemitix.node.Node;

/**
 * Generates a dot file dependency report as a simple digraph.
 *
 * @author Paul Campbell ([email protected])
 */
@Immutable
class DotFileFormatSimple extends AbstractDotFileFormat {

    public static final String NEWLINE = "\n";

    /**
     * Constructor.
     *
     * @param base The root node
     * @param nodePathGenerator     The Node Path Generator
     */
    DotFileFormatSimple(
            final Node base,
            final NodePathGenerator nodePathGenerator) {
        super(base, nodePathGenerator);
    }

    @Override
    public String render(final Subgraph subgraph) {
        final String id = subgraph.getId();
        String node = "";
        if (!id.startsWith("_")) {
            node = quoted(id) + NEWLINE;
        }
        return node + subgraph.getElements()
                              .stream()
                              .map(GraphElement::render)
                              .collect(Collectors.joining(NEWLINE));
    }

    @Override
    public String render(final NodeElement nodeElement) {
        return quoted(nodeElement.getId());
    }

    @Override
    public String render(final EdgeElement edgeElement) {
        return quoted(edgeElement.getTail().getId()) + " -> " + quoted(
                edgeElement.getHead().getId());
    }

}