*/
package org.opendaylight.yangtools.maven.sal.api.gen.plugin;
-import java.io.File;
-import java.io.IOException;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
+import com.google.common.base.Joiner;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSet.Builder;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.project.MavenProject;
+import org.opendaylight.yangtools.binding.generator.util.BindingGeneratorUtil;
import org.opendaylight.yangtools.sal.binding.generator.api.BindingGenerator;
import org.opendaylight.yangtools.sal.binding.generator.impl.BindingGeneratorImpl;
import org.opendaylight.yangtools.sal.binding.model.api.Type;
import org.opendaylight.yangtools.sal.java.api.generator.GeneratorJavaFile;
+import org.opendaylight.yangtools.sal.java.api.generator.YangModuleInfoTemplate;
+import org.opendaylight.yangtools.yang.binding.BindingMapping;
+import org.opendaylight.yangtools.yang.binding.YangModelBindingProvider;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang2sources.spi.BuildContextAware;
import org.opendaylight.yangtools.yang2sources.spi.CodeGenerator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import org.sonatype.plexus.build.incremental.BuildContext;
-import com.google.common.base.Preconditions;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
public final class CodeGeneratorImpl implements CodeGenerator, BuildContextAware {
private static final String FS = File.separator;
private File projectBaseDir;
private Map<String, String> additionalConfig;
+ private static final Logger logger = LoggerFactory.getLogger(CodeGeneratorImpl.class);
+ private MavenProject mavenProject;
+ private File resourceBaseDir;
+
@Override
public Collection<File> generateSources(final SchemaContext context, final File outputDir,
final Set<Module> yangModules) throws IOException {
final File outputBaseDir;
- if (outputDir == null) {
- outputBaseDir = new File("target" + File.separator + "generated-sources" + File.separator
- + "maven-sal-api-gen");
- } else {
- outputBaseDir = outputDir;
- }
+
+ outputBaseDir = outputDir == null ? getDefaultOutputBaseDir() : outputDir;
final BindingGenerator bindingGenerator = new BindingGeneratorImpl();
final List<Type> types = bindingGenerator.generateTypes(context, yangModules);
- final GeneratorJavaFile generator = new GeneratorJavaFile(buildContext, new HashSet<>(types));
+ final GeneratorJavaFile generator = new GeneratorJavaFile(buildContext, types);
File persistentSourcesDir = null;
if (additionalConfig != null) {
if (persistentSourcesDir == null) {
persistentSourcesDir = new File(projectBaseDir, "src" + FS + "main" + FS + "java");
}
- return generator.generateToFile(outputBaseDir, persistentSourcesDir);
+
+ List<File> result = generator.generateToFile(outputBaseDir, persistentSourcesDir);
+
+ result.addAll(generateModuleInfos(outputBaseDir, yangModules, context));
+ return result;
+ }
+
+ private Collection<? extends File> generateModuleInfos(File outputBaseDir, Set<Module> yangModules,
+ SchemaContext context) {
+ Builder<File> result = ImmutableSet.builder();
+ Builder<String> bindingProviders = ImmutableSet.builder();
+ for (Module module : yangModules) {
+ Builder<String> currentProvidersBuilder = ImmutableSet.builder();
+ // TODO: do not mutate parameters, output of a method is defined by its return value
+ Set<File> moduleInfoProviders = generateYangModuleInfo(outputBaseDir, module, context, currentProvidersBuilder);
+ ImmutableSet<String> currentProviders = currentProvidersBuilder.build();
+ logger.info("Adding ModuleInfo providers {}", currentProviders);
+ bindingProviders.addAll(currentProviders);
+ result.addAll(moduleInfoProviders);
+ }
+
+ result.add(writeMetaInfServices(resourceBaseDir, YangModelBindingProvider.class, bindingProviders.build()));
+ return result.build();
+ }
+
+ private File writeMetaInfServices(File outputBaseDir, Class<YangModelBindingProvider> serviceClass,
+ ImmutableSet<String> services) {
+ File metainfServicesFolder = new File(outputBaseDir, "META-INF" + File.separator + "services");
+ metainfServicesFolder.mkdirs();
+ File serviceFile = new File(metainfServicesFolder, serviceClass.getName());
+
+ String src = Joiner.on('\n').join(services);
+
+ return writeFile(serviceFile, src);
+ }
+
+ public static final String DEFAULT_OUTPUT_BASE_DIR_PATH = "target" + File.separator + "generated-sources"
+ + File.separator + "maven-sal-api-gen";
+
+ private File getDefaultOutputBaseDir() {
+ File outputBaseDir;
+ outputBaseDir = new File(DEFAULT_OUTPUT_BASE_DIR_PATH);
+ setOutputBaseDirAsSourceFolder(outputBaseDir, mavenProject);
+ logger.debug("Adding " + outputBaseDir.getPath() + " as compile source root");
+ return outputBaseDir;
+ }
+
+ private static void setOutputBaseDirAsSourceFolder(File outputBaseDir, MavenProject mavenProject) {
+ Preconditions.checkNotNull(mavenProject, "Maven project needs to be set in this phase");
+ mavenProject.addCompileSourceRoot(outputBaseDir.getPath());
}
@Override
public void setLog(Log log) {
- // use maven logging if necessary
-
}
@Override
@Override
public void setResourceBaseDir(File resourceBaseDir) {
- // no resource processing necessary
+ this.resourceBaseDir = resourceBaseDir;
}
@Override
public void setMavenProject(MavenProject project) {
+ this.mavenProject = project;
this.projectBaseDir = project.getBasedir();
}
this.buildContext = Preconditions.checkNotNull(buildContext);
}
+ private Set<File> generateYangModuleInfo(File outputBaseDir, Module module, SchemaContext ctx,
+ Builder<String> providerSourceSet) {
+ Builder<File> generatedFiles = ImmutableSet.<File> builder();
+
+ final YangModuleInfoTemplate template = new YangModuleInfoTemplate(module, ctx);
+ String moduleInfoSource = template.generate();
+ if (moduleInfoSource.isEmpty()) {
+ throw new IllegalStateException("Generated code should not be empty!");
+ }
+ String providerSource = template.generateModelProvider();
+
+ final File packageDir = GeneratorJavaFile.packageToDirectory(outputBaseDir,
+ BindingGeneratorUtil.moduleNamespaceToPackageName(module));
+
+ generatedFiles.add(writeJavaSource(packageDir, BindingMapping.MODULE_INFO_CLASS_NAME, moduleInfoSource));
+ generatedFiles
+ .add(writeJavaSource(packageDir, BindingMapping.MODEL_BINDING_PROVIDER_CLASS_NAME, providerSource));
+ providerSourceSet.add(template.getModelBindingProviderName());
+
+ return generatedFiles.build();
+
+ }
+
+ private File writeJavaSource(File packageDir, String className, String source) {
+ if (!packageDir.exists()) {
+ packageDir.mkdirs();
+ }
+ final File file = new File(packageDir, className + ".java");
+ writeFile(file, source);
+ return file;
+ }
+
+ private File writeFile(File file, String source) {
+ try (final OutputStream stream = buildContext.newFileOutputStream(file)) {
+ try (final Writer fw = new OutputStreamWriter(stream)) {
+ try (final BufferedWriter bw = new BufferedWriter(fw)) {
+ bw.write(source);
+ }
+ } catch (Exception e) {
+ logger.error("Could not write file: {}",file,e);
+ }
+ } catch (Exception e) {
+ logger.error("Could not create file: {}",file,e);
+ }
+ return file;
+ }
+
}