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/*
Copyright 2023 Huawei Technologies
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.onap.modeling.yangkit.compiler;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.onap.modeling.yangkit.catalog.ModuleInfo;
import org.onap.modeling.yangkit.compiler.util.YangCompilerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.yangcentral.yangkit.model.api.schema.ModuleId;
import org.yangcentral.yangkit.model.api.schema.YangSchemaContext;
import org.yangcentral.yangkit.model.api.stmt.Module;
import org.yangcentral.yangkit.parser.YangYinParser;
import org.yangcentral.yangkit.utils.file.FileUtil;
public class ModuleSource implements Source {
private List<ModuleInfo> modules;
private boolean importOnly;
private static final Logger logger = LoggerFactory.getLogger(ModuleSource.class);
public ModuleSource(List<ModuleInfo> modules) {
this.modules = modules;
}
public ModuleSource(List<ModuleInfo> modules, boolean importOnly) {
this.modules = modules;
this.importOnly = importOnly;
}
public boolean isImportOnly() {
return importOnly;
}
public void setImportOnly(boolean importOnly) {
this.importOnly = importOnly;
}
public List<ModuleInfo> getModules() {
return modules;
}
@Override
public YangSchemaContext buildSource(Settings settings, YangSchemaContext yangSchemaContext)
throws YangCompilerException {
return buildSource(settings, yangSchemaContext, false);
}
@Override
public YangSchemaContext buildSource(Settings settings, YangSchemaContext schemaContext, boolean withDependencies)
throws YangCompilerException {
ModuleInfo targetModuleInfo = null;
for (ModuleInfo moduleInfo : modules) {
if (schemaContext != null) {
Optional<Module> oldModule = schemaContext.getModule(
new ModuleId(moduleInfo.getName(), moduleInfo.getRevision()));
if (oldModule.isPresent()) {
if (!importOnly && schemaContext.isImportOnly(oldModule.get())) {
schemaContext.removeModule(oldModule.get().getModuleId());
schemaContext.addModule(oldModule.get());
}
continue;
}
}
URI schema = moduleInfo.getSchema();
if (schema == null) {
try {
targetModuleInfo = YangCompilerUtil.getSchema(moduleInfo, settings);
} catch (IOException e) {
throw new YangCompilerException(e.getMessage());
}
if (targetModuleInfo == null) {
throw new YangCompilerException("module="
+ moduleInfo.getModuleInfo()
+ " is not found.");
}
schema = targetModuleInfo.getSchema();
}
if (targetModuleInfo == null) {
targetModuleInfo = moduleInfo;
}
try {
logger.info("download yang from " + schema.toURL());
String yangString = YangCompilerUtil.urlInvoke2String(schema.toURL().toString(), settings);
InputStream inputStream = new ByteArrayInputStream(yangString.getBytes());
String parseModuleInfo = schema.toURL().toString();
schemaContext = YangYinParser.parse(inputStream,
parseModuleInfo, true, importOnly, schemaContext);
//judge whether this module exists in local repository
if (YangCompilerUtil.getSchemaFromLocal(targetModuleInfo, settings) == null) {
// if not found, install to local repository
String fileName = settings.getLocalRepository() + File.separator + targetModuleInfo.getModuleInfo()
+ ".yang";
FileUtil.writeUtf8File(fileName, yangString);
logger.info("install " + targetModuleInfo.getModuleInfo() + ".yang to "
+ settings.getLocalRepository());
}
if (withDependencies) {
logger.info("get dependencies for " + targetModuleInfo.getModuleInfo());
Module sourceModule =
schemaContext.getModule(targetModuleInfo.getName(), targetModuleInfo.getRevision())
.get();
List<ModuleInfo> dependencies = YangCompilerUtil.getDependencies(sourceModule);
if (!dependencies.isEmpty()) {
List<ModuleInfo> extraDependencies = new ArrayList<>();
for (ModuleInfo dependency : dependencies) {
if (schemaContext.getModule(dependency.getName(), dependency.getRevision()).isPresent()) {
continue;
}
extraDependencies.add(dependency);
}
ModuleSource extraDependenciesSource = new ModuleSource(extraDependencies, true);
logger.info("start to build dependencies for " + targetModuleInfo.getModuleInfo());
schemaContext = extraDependenciesSource.buildSource(settings, schemaContext, true);
logger.info("end to build dependencies for " + targetModuleInfo.getModuleInfo());
}
}
} catch (Exception e) {
throw new YangCompilerException(e.getMessage());
}
}
return schemaContext;
}
}
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