--- /dev/null
+/*
+ * Copyright (c) 2020 PATHEON.tech, s.r.o. 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.mdsal.binding.java.api.generator;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.CharMatcher;
+import com.google.common.collect.HashBasedTable;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.ImmutableSet.Builder;
+import com.google.common.collect.ImmutableTable;
+import com.google.common.collect.Table;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.ServiceLoader;
+import java.util.Set;
+import org.opendaylight.mdsal.binding.generator.api.BindingGenerator;
+import org.opendaylight.mdsal.binding.model.api.CodeGenerator;
+import org.opendaylight.mdsal.binding.model.api.GeneratedTransferObject;
+import org.opendaylight.mdsal.binding.model.api.GeneratedType;
+import org.opendaylight.mdsal.binding.model.api.Type;
+import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
+import org.opendaylight.yangtools.plugin.generator.api.FileGenerator;
+import org.opendaylight.yangtools.plugin.generator.api.FileGeneratorException;
+import org.opendaylight.yangtools.plugin.generator.api.GeneratedFile;
+import org.opendaylight.yangtools.plugin.generator.api.GeneratedFileLifecycle;
+import org.opendaylight.yangtools.plugin.generator.api.GeneratedFilePath;
+import org.opendaylight.yangtools.plugin.generator.api.GeneratedFileType;
+import org.opendaylight.yangtools.plugin.generator.api.ModuleResourceResolver;
+import org.opendaylight.yangtools.yang.binding.YangModelBindingProvider;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+final class JavaFileGenerator implements FileGenerator {
+ public static final String CONFIG_IGNORE_DUPLICATE_FILES = "ignoreDuplicateFiles";
+
+ private static final Logger LOG = LoggerFactory.getLogger(JavaFileGenerator.class);
+ private static final CharMatcher DOT_MATCHER = CharMatcher.is('.');
+ private static final String MODULE_INFO = BindingMapping.MODULE_INFO_CLASS_NAME + ".java";
+ private static final String MODEL_BINDING_PROVIDER = BindingMapping.MODEL_BINDING_PROVIDER_CLASS_NAME + ".java";
+ private static final GeneratedFilePath MODEL_BINDING_PROVIDER_SERVICE =
+ GeneratedFilePath.ofPath("META-INF/services/" + YangModelBindingProvider.class.getName());
+ private static final List<CodeGenerator> GENERATORS = List.of(
+ new InterfaceGenerator(), new TOGenerator(), new EnumGenerator(), new BuilderGenerator());
+
+ private final BindingGenerator bindingGenerator;
+ private final boolean ignoreDuplicateFiles;
+
+ JavaFileGenerator(final Map<String, String> additionalConfig) {
+ final String ignoreDuplicateFilesString = additionalConfig.get(CONFIG_IGNORE_DUPLICATE_FILES);
+ if (ignoreDuplicateFilesString != null) {
+ ignoreDuplicateFiles = Boolean.parseBoolean(ignoreDuplicateFilesString);
+ } else {
+ ignoreDuplicateFiles = true;
+ }
+ bindingGenerator = ServiceLoader.load(BindingGenerator.class).findFirst()
+ .orElseThrow(() -> new IllegalStateException("No BindingGenerator implementation found"));
+ }
+
+ @Override
+ public Table<GeneratedFileType, GeneratedFilePath, GeneratedFile> generateFiles(final EffectiveModelContext context,
+ final Set<Module> localModules, final ModuleResourceResolver moduleResourcePathResolver)
+ throws FileGeneratorException {
+ final Table<GeneratedFileType, GeneratedFilePath, GeneratedFile> result =
+ generateFiles(bindingGenerator.generateTypes(context, localModules), ignoreDuplicateFiles);
+
+ // YangModuleInfo files
+ final Builder<String> bindingProviders = ImmutableSet.builder();
+ for (Module module : localModules) {
+ final YangModuleInfoTemplate template = new YangModuleInfoTemplate(module, context,
+ mod -> moduleResourcePathResolver.findModuleResourcePath(mod, YangTextSchemaSource.class));
+ final String path = DOT_MATCHER.replaceFrom(template.getPackageName(), '/') + "/";
+
+ result.put(GeneratedFileType.SOURCE, GeneratedFilePath.ofPath(path + MODULE_INFO),
+ new SupplierGeneratedFile(GeneratedFileLifecycle.TRANSIENT, template::generate));
+ result.put(GeneratedFileType.SOURCE, GeneratedFilePath.ofPath(path + MODEL_BINDING_PROVIDER),
+ new SupplierGeneratedFile(GeneratedFileLifecycle.TRANSIENT, template::generateModelProvider));
+
+ bindingProviders.add(template.getModelBindingProviderName());
+ }
+
+ // META-INF/services entries, sorted to make the build predictable
+ final List<String> sorted = new ArrayList<>(bindingProviders.build());
+ sorted.sort(String::compareTo);
+
+ result.put(GeneratedFileType.RESOURCE, MODEL_BINDING_PROVIDER_SERVICE,
+ GeneratedFile.of(GeneratedFileLifecycle.TRANSIENT, String.join("\n", sorted)));
+
+ return ImmutableTable.copyOf(result);
+ }
+
+ @VisibleForTesting
+ static Table<GeneratedFileType, GeneratedFilePath, GeneratedFile> generateFiles(final List<GeneratedType> types,
+ final boolean ignoreDuplicateFiles) {
+ final Table<GeneratedFileType, GeneratedFilePath, GeneratedFile> result = HashBasedTable.create();
+
+ for (Type type : types) {
+ for (CodeGenerator generator : GENERATORS) {
+ if (!generator.isAcceptable(type)) {
+ continue;
+ }
+
+ final GeneratedFileLifecycle kind = type instanceof GeneratedTransferObject
+ && ((GeneratedTransferObject) type).isUnionTypeBuilder()
+ ? GeneratedFileLifecycle.PERSISTENT : GeneratedFileLifecycle.TRANSIENT;
+ final GeneratedFilePath file = GeneratedFilePath.ofFilePath(
+ type.getPackageName().replace('.', File.separatorChar)
+ + File.separator + generator.getUnitName(type) + ".java");
+
+ if (result.contains(GeneratedFileType.SOURCE, file)) {
+ if (ignoreDuplicateFiles) {
+ LOG.warn("Naming conflict for type '{}': file with same name already exists and will not be "
+ + "generated.", type.getFullyQualifiedName());
+ continue;
+ }
+ throw new IllegalStateException("Duplicate " + kind + " file '" + file.getPath() + "' for "
+ + type.getFullyQualifiedName());
+ }
+
+ result.put(GeneratedFileType.SOURCE, file, new CodeGeneratorGeneratedFile(kind, generator, type));
+ }
+ }
+
+ return result;
+ }
+}
Code Review / mdsal.git / blobdiff