com.github.ferstl.depgraph.graph.DependencyEdgeAttributeRenderer Maven / Gradle / Ivy

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This Maven plugin generates dependency graphs on single modules or in an aggregated form on multi-module projects. The graphs are represented by .dot files. In case that Graphviz is installed on the machine where this plugin is run, the .dot file can be directly converted into all supported image files.

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/*
 * Copyright (c) 2014 - 2016 by Stefan Ferstl 
 *
 * 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.ferstl.depgraph.graph;

import com.github.ferstl.depgraph.dot.AttributeBuilder;
import com.github.ferstl.depgraph.dot.EdgeAttributeRenderer;
import com.github.ferstl.depgraph.graph.style.StyleConfiguration;
import static com.google.common.collect.Iterables.getFirst;


public class DependencyEdgeAttributeRenderer implements EdgeAttributeRenderer {

  private static final String SNAPSHOT_SUFFIX = "-SNAPSHOT";

  private final boolean renderVersions;
  private final StyleConfiguration styleConfiguration;

  public DependencyEdgeAttributeRenderer(boolean renderVersions, StyleConfiguration styleConfiguration) {
    this.renderVersions = renderVersions;
    this.styleConfiguration = styleConfiguration;
  }

  @Override
  public AttributeBuilder createEdgeAttributes(GraphNode from, GraphNode to) {
    NodeResolution resolution = to.getResolution();

    AttributeBuilder builder = this.styleConfiguration.edgeAttributes(resolution, getFirst(to.getScopes(), null));
    if (resolution == NodeResolution.OMITTED_FOR_CONFLICT && this.renderVersions) {
      builder.label(abbreviateVersion(to.getArtifact().getVersion()));
    }

    return builder;
  }

  private String abbreviateVersion(String version) {
    if (version.endsWith(SNAPSHOT_SUFFIX)) {
      return version.substring(0, version.length() - SNAPSHOT_SUFFIX.length()) + "-S.";
    }

    return version;
  }
}