2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.sal.java.api.generator;
10 import java.io.BufferedWriter;
12 import java.io.FileWriter;
13 import java.io.IOException;
14 import java.io.Writer;
15 import java.util.ArrayList;
16 import java.util.HashSet;
17 import java.util.List;
20 import org.opendaylight.controller.sal.binding.model.api.CodeGenerator;
21 import org.opendaylight.controller.sal.binding.model.api.Enumeration;
22 import org.opendaylight.controller.sal.binding.model.api.GeneratedTransferObject;
23 import org.opendaylight.controller.sal.binding.model.api.GeneratedType;
24 import org.opendaylight.controller.sal.binding.model.api.Type;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
28 public final class GeneratorJavaFile {
30 private static final Logger log = LoggerFactory
31 .getLogger(GeneratorJavaFile.class);
32 private final CodeGenerator interfaceGenerator;
33 private final ClassCodeGenerator classGenerator;
34 private final EnumGenerator enumGenerator;
36 private final Set<GeneratedType> genTypes;
37 private final Set<GeneratedTransferObject> genTransferObjects;
38 private final Set<Enumeration> enumerations;
40 public GeneratorJavaFile(final CodeGenerator codeGenerator,
41 final Set<GeneratedType> types) {
42 this.interfaceGenerator = codeGenerator;
43 this.genTypes = types;
44 this.genTransferObjects = new HashSet<>();
45 this.enumerations = new HashSet<>();
46 this.classGenerator = new ClassCodeGenerator();
47 this.enumGenerator = new EnumGenerator();
50 public GeneratorJavaFile(final Set<GeneratedType> types,
51 final Set<GeneratedTransferObject> genTransferObjects,
52 final Set<Enumeration> enumerations) {
53 this.interfaceGenerator = new InterfaceGenerator();
54 this.classGenerator = new ClassCodeGenerator();
55 this.enumGenerator = new EnumGenerator();
57 this.genTypes = types;
58 this.genTransferObjects = genTransferObjects;
59 this.enumerations = enumerations;
62 public List<File> generateToFile(final File parentDirectory) throws IOException {
63 final List<File> result = new ArrayList<>();
64 for (GeneratedType type : genTypes) {
65 final File genFile = generateTypeToJavaFile(parentDirectory, type,
68 if (genFile != null) {
72 for (GeneratedTransferObject transferObject : genTransferObjects) {
73 final File genFile = generateTypeToJavaFile(parentDirectory,
74 transferObject, classGenerator);
76 if (genFile != null) {
81 for (Enumeration enumeration : enumerations) {
82 final File genFile = generateTypeToJavaFile(parentDirectory,
83 enumeration, enumGenerator);
85 if (genFile != null) {
93 private File generateTypeToJavaFile(final File parentDir, final Type type,
94 final CodeGenerator generator) throws IOException {
95 if (parentDir == null) {
96 log.warn("Parent Directory not specified, files will be generated "
97 + "accordingly to generated Type package path.");
100 log.error("Cannot generate Type into Java File because " +
101 "Generated Type is NULL!");
102 throw new IllegalArgumentException("Generated Type Cannot be NULL!");
104 if (generator == null) {
105 log.error("Cannot generate Type into Java File because " +
106 "Code Generator instance is NULL!");
107 throw new IllegalArgumentException("Code Generator Cannot be NULL!");
109 final File packageDir = packageToDirectory(parentDir,
110 type.getPackageName());
112 if (!packageDir.exists()) {
115 final File file = new File(packageDir, type.getName() + ".java");
116 try (final FileWriter fw = new FileWriter(file)) {
117 file.createNewFile();
119 try (final BufferedWriter bw = new BufferedWriter(fw)) {
120 Writer writer = generator.generate(type);
121 bw.write(writer.toString());
123 } catch (IOException e) {
124 log.error(e.getMessage());
125 throw new IOException(e.getMessage());
130 private File packageToDirectory(final File parentDirectory,
131 final String packageName) {
132 if (packageName == null) {
133 throw new IllegalArgumentException("Package Name cannot be NULL!");
136 final String[] subDirNames = packageName.split("\\.");
137 final StringBuilder dirPathBuilder = new StringBuilder();
138 dirPathBuilder.append(subDirNames[0]);
139 for (int i = 1; i < subDirNames.length; ++i) {
140 dirPathBuilder.append(File.separator);
141 dirPathBuilder.append(subDirNames[i]);
143 return new File(parentDirectory, dirPathBuilder.toString());