--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.maven.sal.api.gen.plugin;
+
+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 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;
+
+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.BasicCodeGenerator;
+import org.opendaylight.yangtools.yang2sources.spi.BuildContextAware;
+import org.opendaylight.yangtools.yang2sources.spi.MavenProjectAware;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.sonatype.plexus.build.incremental.BuildContext;
+
+public final class CodeGeneratorImpl implements BasicCodeGenerator, BuildContextAware, MavenProjectAware {
+ private static final Logger LOG = LoggerFactory.getLogger(CodeGeneratorImpl.class);
+ private static final String FS = File.separator;
+ private BuildContext buildContext;
+ private File projectBaseDir;
+ private Map<String, String> additionalConfig;
+ 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;
+
+ outputBaseDir = outputDir == null ? getDefaultOutputBaseDir() : outputDir;
+
+ final BindingGenerator bindingGenerator = new BindingGeneratorImpl(true);
+ final List<Type> types = bindingGenerator.generateTypes(context, yangModules);
+ final GeneratorJavaFile generator = new GeneratorJavaFile(buildContext, types);
+
+ File persistentSourcesDir = null;
+ if (additionalConfig != null) {
+ String persistenSourcesPath = additionalConfig.get("persistentSourcesDir");
+ if (persistenSourcesPath != null) {
+ persistentSourcesDir = new File(persistenSourcesPath);
+ }
+ }
+ if (persistentSourcesDir == null) {
+ persistentSourcesDir = new File(projectBaseDir, "src" + FS + "main" + FS + "java");
+ }
+
+ List<File> result = generator.generateToFile(outputBaseDir, persistentSourcesDir);
+
+ result.addAll(generateModuleInfos(outputBaseDir, yangModules, context));
+ return result;
+ }
+
+ private Collection<? extends File> generateModuleInfos(final File outputBaseDir, final Set<Module> yangModules,
+ final 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();
+ LOG.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(final File outputBaseDir, final Class<YangModelBindingProvider> serviceClass,
+ final 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);
+ LOG.debug("Adding " + outputBaseDir.getPath() + " as compile source root");
+ return outputBaseDir;
+ }
+
+ private static void setOutputBaseDirAsSourceFolder(final File outputBaseDir, final MavenProject mavenProject) {
+ Preconditions.checkNotNull(mavenProject, "Maven project needs to be set in this phase");
+ mavenProject.addCompileSourceRoot(outputBaseDir.getPath());
+ }
+
+ @Override
+ public void setAdditionalConfig(final Map<String, String> additionalConfiguration) {
+ this.additionalConfig = additionalConfiguration;
+ }
+
+ @Override
+ public void setResourceBaseDir(final File resourceBaseDir) {
+ this.resourceBaseDir = resourceBaseDir;
+ }
+
+ @Override
+ public void setMavenProject(final MavenProject project) {
+ this.mavenProject = project;
+ this.projectBaseDir = project.getBasedir();
+ }
+
+ @Override
+ public void setBuildContext(final BuildContext buildContext) {
+ this.buildContext = Preconditions.checkNotNull(buildContext);
+ }
+
+ private Set<File> generateYangModuleInfo(final File outputBaseDir, final Module module, final SchemaContext ctx,
+ final 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(final File packageDir, final String className, final String source) {
+ if (!packageDir.exists()) {
+ packageDir.mkdirs();
+ }
+ final File file = new File(packageDir, className + ".java");
+ writeFile(file, source);
+ return file;
+ }
+
+ private File writeFile(final File file, final 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) {
+ LOG.error("Could not write file: {}",file,e);
+ }
+ } catch (Exception e) {
+ LOG.error("Could not create file: {}",file,e);
+ }
+ return file;
+ }
+
+}
Code Review / mdsal.git / blobdiff