2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2024 Ericsson
4 * Modifications Copyright (C) 2024 OpenInfra Foundation Europe
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
21 package org.oran.smo.teiv.pgsqlgenerator.graphgenerator;
23 import guru.nidi.graphviz.attribute.*;
24 import guru.nidi.graphviz.engine.Format;
25 import guru.nidi.graphviz.engine.Graphviz;
26 import guru.nidi.graphviz.model.Factory;
27 import guru.nidi.graphviz.model.MutableGraph;
28 import guru.nidi.graphviz.model.MutableNode;
29 import lombok.extern.slf4j.Slf4j;
30 import org.apache.commons.lang3.StringUtils;
31 import org.oran.smo.teiv.pgsqlgenerator.Attribute;
32 import org.oran.smo.teiv.pgsqlgenerator.Entity;
33 import org.springframework.beans.factory.annotation.Value;
34 import org.springframework.stereotype.Component;
37 import java.io.IOException;
38 import java.util.List;
40 import static guru.nidi.graphviz.attribute.Rank.RankDir;
44 public class EntityGraphGenerator {
46 @Value("${graphs.generate}")
47 private boolean generateEntityGraph;
49 @Value("${graphs.output}")
50 private String graphOutput;
52 public void generate(List<Entity> entities) throws IOException {
53 if (generateEntityGraph) {
54 List<String> moduleNames = entities.stream().map(Entity::getModuleReferenceName).distinct().toList();
55 for (String moduleName : moduleNames) {
56 List<Entity> moduleEntities = entities.stream().filter(entity -> moduleName.equals(entity
57 .getModuleReferenceName())).toList();
58 generateGraph(moduleName, moduleEntities);
61 log.info("graphs.generate set to false");
65 private void generateGraph(String name, List<Entity> entities) throws IOException {
66 MutableGraph g = prepareGraph(entities, name);
67 File outputFile = new File(graphOutput, name);
68 Graphviz.fromGraph(g).render(Format.SVG).toFile(outputFile);
69 Graphviz.fromGraph(g).render(Format.DOT).toFile(outputFile);
70 log.info("Graph rendered to: {}", outputFile.getAbsolutePath());
73 private MutableGraph prepareGraph(List<Entity> moduleEntities, String moduleName) {
74 MutableGraph g = Factory.mutGraph(moduleName).setDirected(true).graphAttrs().add(Rank.dir(RankDir.LEFT_TO_RIGHT))
75 .nodeAttrs().add(Shape.RECT, Style.BOLD, Color.BLACK, Style.FILLED, Color.LIGHTGRAY.fill(), Font.name(
77 MutableNode moduleNameNode = Factory.mutNode(moduleName).attrs().add(Color.LIGHTBLUE.fill());
78 g.add(moduleNameNode);
79 for (Entity moduleEntity : moduleEntities) {
80 MutableNode moduleNode = Factory.mutNode(moduleEntity.getEntityName());
82 g.add(moduleNameNode.addLink(Factory.to(moduleNode)));
83 List<Attribute> attributes = moduleEntity.getAttributes();
84 if (!attributes.isEmpty()) {
85 addAttributeNodeToGraph(g, attributes, moduleEntity, moduleNode);
91 private void addAttributeNodeToGraph(MutableGraph graph, List<Attribute> attributes, Entity moduleEntity,
92 MutableNode moduleNode) {
93 String label = "<TABLE border='1' cellborder='0' cellspacing='0' cellpadding='4'>";
94 for (Attribute attribute : attributes) {
95 label = label.concat("<TR> <TD bgcolor='#EEEEEE' align='left'>" + attribute
96 .getName() + "</TD> <TD align='right' bgcolor='#EEEEEE'>" + escapeHtml(attribute
97 .getYangDataType()) + "</TD> </TR>");
99 label = label.concat("</TABLE>");
100 MutableNode attributeNode = Factory.mutNode(moduleEntity.getEntityName() + "-attributes").attrs().add(Label.html(
102 graph.add(attributeNode);
103 graph.add(moduleNode.addLink(attributeNode));
106 private String escapeHtml(String text) {
107 return StringUtils.replaceEach(text, new String[] { "<", ">" }, new String[] { "<", ">" });