*/
package org.opendaylight.yangtools.yang2sources.plugin;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import java.io.IOException;
import java.io.Reader;
import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
+import java.util.Comparator;
import java.util.HashMap;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Optional;
+import java.util.ServiceLoader;
import java.util.Set;
+import java.util.stream.Collectors;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.project.MavenProject;
-import org.codehaus.plexus.util.FileUtils;
-import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
-import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceException;
+import org.opendaylight.yangtools.yang.common.YangConstants;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParser;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParserException;
+import org.opendaylight.yangtools.yang.model.parser.api.YangParserFactory;
import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
-import org.opendaylight.yangtools.yang.parser.repo.YangTextSchemaContextResolver;
+import org.opendaylight.yangtools.yang.parser.rfc7950.repo.ASTSchemaSource;
+import org.opendaylight.yangtools.yang.parser.rfc7950.repo.TextToASTTransformer;
import org.opendaylight.yangtools.yang2sources.plugin.ConfigArg.CodeGeneratorArg;
import org.opendaylight.yangtools.yang2sources.spi.BasicCodeGenerator;
import org.opendaylight.yangtools.yang2sources.spi.BuildContextAware;
class YangToSourcesProcessor {
private static final Logger LOG = LoggerFactory.getLogger(YangToSourcesProcessor.class);
+ private static final YangParserFactory DEFAULT_PARSER_FACTORY;
+
+ static {
+ final Iterator<YangParserFactory> it = ServiceLoader.load(YangParserFactory.class).iterator();
+ checkState(it.hasNext(), "Failed to find a YangParserFactory implementation");
+ DEFAULT_PARSER_FACTORY = it.next();
+ }
static final String LOG_PREFIX = "yang-to-sources:";
private static final String META_INF_STR = "META-INF";
static final String META_INF_YANG_STRING_JAR = META_INF_STR + "/" + YANG_STR;
static final String META_INF_YANG_SERVICES_STRING_JAR = META_INF_STR + "/" + "services";
+ private final YangParserFactory parserFactory;
private final File yangFilesRootDir;
private final Set<File> excludedFiles;
private final List<CodeGeneratorArg> codeGenerators;
private YangToSourcesProcessor(final BuildContext buildContext, final File yangFilesRootDir,
final Collection<File> excludedFiles, final List<CodeGeneratorArg> codeGenerators,
final MavenProject project, final boolean inspectDependencies, final YangProvider yangProvider) {
- this.buildContext = Preconditions.checkNotNull(buildContext, "buildContext");
- this.yangFilesRootDir = Preconditions.checkNotNull(yangFilesRootDir, "yangFilesRootDir");
+ this.buildContext = requireNonNull(buildContext, "buildContext");
+ this.yangFilesRootDir = requireNonNull(yangFilesRootDir, "yangFilesRootDir");
this.excludedFiles = ImmutableSet.copyOf(excludedFiles);
this.codeGenerators = ImmutableList.copyOf(codeGenerators);
- this.project = Preconditions.checkNotNull(project);
+ this.project = requireNonNull(project);
this.inspectDependencies = inspectDependencies;
- this.yangProvider = Preconditions.checkNotNull(yangProvider);
+ this.yangProvider = requireNonNull(yangProvider);
+ this.parserFactory = DEFAULT_PARSER_FACTORY;
}
@VisibleForTesting
try {
holder = createContextHolder(reactor);
- } catch (SchemaSourceException | YangSyntaxErrorException e) {
+ } catch (YangParserException e) {
throw new MojoFailureException("Failed to process reactor " + reactor, e);
} catch (IOException e) {
throw new MojoExecutionException("Failed to read reactor " + reactor, e);
* files in current project and optionally any jars/files in the
* dependencies.
*/
- final Collection<File> yangFilesInProject = Util.listFiles(yangFilesRootDir, excludedFiles);
+ final Collection<File> yangFilesInProject = listFiles(yangFilesRootDir, excludedFiles);
final Collection<File> allFiles = new ArrayList<>(yangFilesInProject);
if (inspectDependencies) {
* Check if any of the listed files changed. If no changes occurred,
* simply return null, which indicates and of execution.
*/
- boolean noChange = true;
- for (final File f : allFiles) {
- if (buildContext.hasDelta(f)) {
- LOG.debug("{} buildContext {} indicates {} changed, forcing regeneration", LOG_PREFIX,
- buildContext, f);
- noChange = false;
- }
- }
-
- if (noChange) {
+ if (!allFiles.stream().anyMatch(buildContext::hasDelta)) {
LOG.info("{} None of {} input files changed", LOG_PREFIX, allFiles.size());
return Optional.empty();
}
- final YangTextSchemaContextResolver resolver = YangTextSchemaContextResolver.create("maven-plugin");
+ // FIXME: add correct mode
+ final YangParser parser = parserFactory.createParser();
+ final List<YangTextSchemaSource> sourcesInProject = new ArrayList<>(yangFilesInProject.size());
for (final File f : yangFilesInProject) {
- resolver.registerSource(YangTextSchemaSource.forFile(f));
+ final YangTextSchemaSource textSource = YangTextSchemaSource.forFile(f);
+ final ASTSchemaSource astSource = TextToASTTransformer.transformText(textSource);
+
+ parser.addSource(astSource);
+
+ if (!astSource.getIdentifier().equals(textSource.getIdentifier())) {
+ // AST indicates a different source identifier, make sure we use that
+ sourcesInProject.add(YangTextSchemaSource.delegateForByteSource(astSource.getIdentifier(),
+ textSource));
+ } else {
+ sourcesInProject.add(textSource);
+ }
}
LOG.debug("Processed project files: {}", yangFilesInProject);
LOG.info("{} Project model files parsed: {}", LOG_PREFIX, yangFilesInProject.size());
- final ProcessorModuleReactor reactor = new ProcessorModuleReactor(resolver);
+ final ProcessorModuleReactor reactor = new ProcessorModuleReactor(parser, sourcesInProject);
LOG.debug("Initialized reactor {}", reactor, yangFilesInProject);
return Optional.of(reactor);
} catch (Exception e) {
// MojoExecutionException is thrown since execution cannot continue
- LOG.error("{} Unable to parse {} files from {}", LOG_PREFIX, Util.YANG_SUFFIX, yangFilesRootDir, e);
+ LOG.error("{} Unable to parse YANG files from {}", LOG_PREFIX, yangFilesRootDir, e);
Throwable rootCause = Throwables.getRootCause(e);
- throw new MojoExecutionException(LOG_PREFIX + " Unable to parse " + Util.YANG_SUFFIX + " files from "
- + yangFilesRootDir, rootCause);
+ throw new MojoExecutionException(LOG_PREFIX + " Unable to parse YANG files from " + yangFilesRootDir,
+ rootCause);
}
}
private ContextHolder createContextHolder(final ProcessorModuleReactor reactor) throws MojoFailureException,
- IOException, SchemaSourceException, YangSyntaxErrorException {
+ IOException, YangParserException {
/**
* Set contains all modules generated from input sources. Number of
* modules may differ from number of sources due to submodules
final List<YangTextSchemaSource> sourcesInDependencies = Util.findYangFilesInDependenciesAsStream(
project);
for (YangTextSchemaSource s : toUniqueSources(sourcesInDependencies)) {
- reactor.registerSource(s);
+ reactor.registerSourceFromDependency(s);
}
}
return reactor.toContext();
}
+ private static Collection<File> listFiles(final File root, final Collection<File> excludedFiles)
+ throws IOException {
+ if (!root.isDirectory()) {
+ LOG.warn("{} YANG source directory {} not found. No code will be generated.", LOG_PREFIX, root);
+ return ImmutableList.of();
+ }
+
+ return Files.walk(root.toPath()).map(Path::toFile).filter(File::isFile).filter(f -> {
+ if (excludedFiles.contains(f)) {
+ LOG.info("{} YANG file excluded {}", LOG_PREFIX, f);
+ return false;
+ }
+ return true;
+ }).filter(f -> f.getName().endsWith(YangConstants.RFC6020_YANG_FILE_EXTENSION)).collect(Collectors.toList());
+ }
+
private static Collection<YangTextSchemaSource> toUniqueSources(final Collection<YangTextSchemaSource> sources)
throws IOException {
final Map<String, YangTextSchemaSource> byContent = new HashMap<>();
*/
@SuppressWarnings("checkstyle:illegalCatch")
private void generateSources(final ContextHolder context) throws MojoFailureException {
- if (codeGenerators.size() == 0) {
+ if (codeGenerators.isEmpty()) {
LOG.warn("{} No code generators provided", LOG_PREFIX);
return;
}
if (!thrown.isEmpty()) {
String message = " One or more code generators failed, including failed list(generatorClass=exception) ";
- LOG.error("{}" + message + "{}", LOG_PREFIX, thrown.toString());
+ LOG.error("{}{}{}", LOG_PREFIX, message, thrown.toString());
throw new MojoFailureException(LOG_PREFIX + message + thrown.toString());
}
}
final BasicCodeGenerator g = getInstance(codeGeneratorCfg.getCodeGeneratorClass(), BasicCodeGenerator.class);
LOG.info("{} Code generator instantiated from {}", LOG_PREFIX, codeGeneratorCfg.getCodeGeneratorClass());
- final File outputDir = codeGeneratorCfg.getOutputBaseDir(project);
-
- if (outputDir == null) {
- throw new NullPointerException("outputBaseDir is null. Please provide a valid outputBaseDir value in the "
- + "pom.xml");
- }
+ final File outputDir = requireNonNull(codeGeneratorCfg.getOutputBaseDir(project),
+ "outputBaseDir is null. Please provide a valid outputBaseDir value in pom.xml");
project.addCompileSourceRoot(outputDir.getAbsolutePath());
LOG.debug("{} Folder: {} marked as resources for generator: {}", LOG_PREFIX, resourceBaseDir,
codeGeneratorCfg.getCodeGeneratorClass());
- FileUtils.deleteDirectory(outputDir);
- LOG.info("{} Succesfully deleted output directory {}", LOG_PREFIX, outputDir);
-
+ if (outputDir.exists()) {
+ Files.walk(outputDir.toPath()).sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete);
+ LOG.info("{} Succesfully deleted output directory {}", LOG_PREFIX, outputDir);
+ }
Collection<File> generated = g.generateSources(context.getContext(), outputDir, context.getYangModules(),
context::moduleToResourcePath);
private static <T> T getInstance(final String codeGeneratorClass, final Class<T> baseType) throws
ClassNotFoundException, InstantiationException, IllegalAccessException {
final Class<?> clazz = Class.forName(codeGeneratorClass);
-
- Preconditions.checkArgument(baseType.isAssignableFrom(clazz), "Code generator %s has to implement %s", clazz,
- baseType);
+ checkArgument(baseType.isAssignableFrom(clazz), "Code generator %s has to implement %s", clazz, baseType);
return baseType.cast(clazz.newInstance());
}
}