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.yangtools.maven.sal.api.gen.plugin;
10 import java.io.BufferedWriter;
12 import java.io.IOException;
13 import java.io.OutputStream;
14 import java.io.OutputStreamWriter;
15 import java.io.Writer;
16 import java.util.Collection;
17 import java.util.HashSet;
18 import java.util.List;
22 import org.apache.maven.plugin.logging.Log;
23 import org.apache.maven.project.MavenProject;
24 import org.opendaylight.yangtools.binding.generator.util.BindingGeneratorUtil;
25 import org.opendaylight.yangtools.sal.binding.generator.api.BindingGenerator;
26 import org.opendaylight.yangtools.sal.binding.generator.impl.BindingGeneratorImpl;
27 import org.opendaylight.yangtools.sal.binding.model.api.Type;
28 import org.opendaylight.yangtools.sal.java.api.generator.GeneratorJavaFile;
29 import org.opendaylight.yangtools.sal.java.api.generator.YangModuleInfoTemplate;
30 import org.opendaylight.yangtools.yang.binding.BindingMapping;
31 import org.opendaylight.yangtools.yang.binding.YangModelBindingProvider;
32 import org.opendaylight.yangtools.yang.model.api.Module;
33 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
34 import org.opendaylight.yangtools.yang2sources.spi.BuildContextAware;
35 import org.opendaylight.yangtools.yang2sources.spi.CodeGenerator;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
38 import org.sonatype.plexus.build.incremental.BuildContext;
40 import com.google.common.base.Joiner;
41 import com.google.common.base.Preconditions;
42 import com.google.common.collect.ImmutableSet;
43 import com.google.common.collect.ImmutableSet.Builder;
45 public final class CodeGeneratorImpl implements CodeGenerator, BuildContextAware {
46 private static final String FS = File.separator;
47 private BuildContext buildContext;
48 private File projectBaseDir;
49 private Map<String, String> additionalConfig;
51 private static final Logger logger = LoggerFactory.getLogger(CodeGeneratorImpl.class);
52 private MavenProject mavenProject;
53 private File resourceBaseDir;
56 public Collection<File> generateSources(final SchemaContext context, final File outputDir,
57 final Set<Module> yangModules) throws IOException {
58 final File outputBaseDir;
60 outputBaseDir = outputDir == null ? getDefaultOutputBaseDir() : outputDir;
62 final BindingGenerator bindingGenerator = new BindingGeneratorImpl();
63 final List<Type> types = bindingGenerator.generateTypes(context, yangModules);
64 final GeneratorJavaFile generator = new GeneratorJavaFile(buildContext, new HashSet<>(types));
66 File persistentSourcesDir = null;
67 if (additionalConfig != null) {
68 String persistenSourcesPath = additionalConfig.get("persistentSourcesDir");
69 if (persistenSourcesPath != null) {
70 persistentSourcesDir = new File(persistenSourcesPath);
73 if (persistentSourcesDir == null) {
74 persistentSourcesDir = new File(projectBaseDir, "src" + FS + "main" + FS + "java");
77 List<File> result = generator.generateToFile(outputBaseDir, persistentSourcesDir);
79 result.addAll(generateModuleInfos(outputBaseDir, yangModules, context));
83 private Collection<? extends File> generateModuleInfos(File outputBaseDir, Set<Module> yangModules,
84 SchemaContext context) {
85 Builder<File> result = ImmutableSet.builder();
86 Builder<String> bindingProviders = ImmutableSet.builder();
87 for (Module module : yangModules) {
88 result.addAll(generateYangModuleInfo(outputBaseDir, module, context, bindingProviders));
91 result.add(writeMetaInfServices(resourceBaseDir, YangModelBindingProvider.class, bindingProviders.build()));
92 return result.build();
95 private File writeMetaInfServices(File outputBaseDir, Class<YangModelBindingProvider> serviceClass,
96 ImmutableSet<String> services) {
97 File metainfServicesFolder = new File(outputBaseDir, "META-INF" + File.separator + "services");
98 metainfServicesFolder.mkdirs();
99 File serviceFile = new File(metainfServicesFolder, serviceClass.getName());
101 String src = Joiner.on('\n').join(services);
103 return writeFile(serviceFile, src);
106 public static final String DEFAULT_OUTPUT_BASE_DIR_PATH = "target" + File.separator + "generated-sources"
107 + File.separator + "maven-sal-api-gen";
109 private File getDefaultOutputBaseDir() {
111 outputBaseDir = new File(DEFAULT_OUTPUT_BASE_DIR_PATH);
112 setOutputBaseDirAsSourceFolder(outputBaseDir, mavenProject);
113 logger.debug("Adding " + outputBaseDir.getPath() + " as compile source root");
114 return outputBaseDir;
117 private static void setOutputBaseDirAsSourceFolder(File outputBaseDir, MavenProject mavenProject) {
118 Preconditions.checkNotNull(mavenProject, "Maven project needs to be set in this phase");
119 mavenProject.addCompileSourceRoot(outputBaseDir.getPath());
123 public void setLog(Log log) {
127 public void setAdditionalConfig(Map<String, String> additionalConfiguration) {
128 this.additionalConfig = additionalConfiguration;
132 public void setResourceBaseDir(File resourceBaseDir) {
133 this.resourceBaseDir = resourceBaseDir;
137 public void setMavenProject(MavenProject project) {
138 this.mavenProject = project;
139 this.projectBaseDir = project.getBasedir();
143 public void setBuildContext(BuildContext buildContext) {
144 this.buildContext = Preconditions.checkNotNull(buildContext);
147 private Set<File> generateYangModuleInfo(File outputBaseDir, Module module, SchemaContext ctx,
148 Builder<String> providerSourceSet) {
149 Builder<File> generatedFiles = ImmutableSet.<File> builder();
151 final YangModuleInfoTemplate template = new YangModuleInfoTemplate(module, ctx);
152 String moduleInfoSource = template.generate();
153 if (moduleInfoSource.isEmpty()) {
154 throw new IllegalStateException("Generated code should not be empty!");
156 String providerSource = template.generateModelProvider();
158 final File packageDir = GeneratorJavaFile.packageToDirectory(outputBaseDir,
159 BindingGeneratorUtil.moduleNamespaceToPackageName(module));
161 generatedFiles.add(writeJavaSource(packageDir, BindingMapping.MODULE_INFO_CLASS_NAME, moduleInfoSource));
163 .add(writeJavaSource(packageDir, BindingMapping.MODEL_BINDING_PROVIDER_CLASS_NAME, providerSource));
164 providerSourceSet.add(template.getModelBindingProviderName());
166 return generatedFiles.build();
170 private File writeJavaSource(File packageDir, String className, String source) {
171 final File file = new File(packageDir, className + ".java");
172 writeFile(file, source);
176 private File writeFile(File file, String source) {
177 try (final OutputStream stream = buildContext.newFileOutputStream(file)) {
178 try (final Writer fw = new OutputStreamWriter(stream)) {
179 try (final BufferedWriter bw = new BufferedWriter(fw)) {
182 } catch (Exception e) {
183 logger.error("Could not write file: {}",file,e);
185 } catch (Exception e) {
186 logger.error("Could not create file: {}",file,e);