adds jdl-core to project build process

Author: ivangsa

pom.xml

@@ -15,6 +15,8 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.target>${java.version}</maven.compiler.target>
         <maven.compiler.source>${java.version}</maven.compiler.source>
+        <node.version>v16.14.0</node.version>
+        <npm.version>8.6.0</npm.version>
     </properties>
 
     <licenses>
@@ -74,6 +76,41 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>com.github.eirslett</groupId>
+                <artifactId>frontend-maven-plugin</artifactId>
+                <configuration>
+                    <workingDirectory>src/main/jdl-core</workingDirectory>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>install-node-and-npm</id>
+                        <goals>
+                            <goal>install-node-and-npm</goal>
+                        </goals>
+                        <configuration>
+                            <nodeVersion>${node.version}</nodeVersion>
+                            <npmVersion>${npm.version}</npmVersion>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <id>npm install</id>
+                        <goals>
+                            <goal>npm</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>webapp build dev</id>
+                        <goals>
+                            <goal>npm</goal>
+                        </goals>
+                        <phase>generate-resources</phase>
+                        <configuration>
+                            <arguments>run generate-resources</arguments>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-release-plugin</artifactId>

src/main/jdl-core/LICENSE.txt

@@ -0,0 +1,204 @@
+
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+
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src/main/jdl-core/cli/parse-jdl.js

@@ -0,0 +1,39 @@
+const { parseFromContent } = require('../jdl/readers/jdl-reader');
+const ParsedJDLToJDLObjectConverter = require('../jdl/converters/parsed-jdl-to-jdl-object/parsed-jdl-to-jdl-object-converter');
+const JDLWithApplicationValidator = require('../jdl/validators/jdl-with-application-validator');
+const JDLWithoutApplicationValidator = require('../jdl/validators/jdl-without-application-validator');
+
+module.exports = {
+  parseJDL,
+};
+
+function parseJDL(jdlString, configuration = {}) {
+  configuration = { databaseType: 'sql', ...configuration }; // warning: options may be a java HashMap, we need this transformation
+  const content = parseFromContent(jdlString);
+  const jdlObject = getJDLObject(content, configuration);
+  checkForErrors(jdlObject, configuration);
+  return jdlObject;
+}
+
+function getJDLObject(parsedJDLContent, configuration) {
+  return ParsedJDLToJDLObjectConverter.parseFromConfigurationObject({
+    ...configuration,
+    parsedContent: parsedJDLContent,
+  });
+}
+
+function checkForErrors(jdlObject, configuration, logger = console) {
+  let validator;
+  const unidirectionalRelationships = null;
+  if (jdlObject.getApplicationQuantity() === 0) {
+    validator = JDLWithoutApplicationValidator.createValidator(jdlObject, configuration, logger, { unidirectionalRelationships });
+  } else {
+    validator = JDLWithApplicationValidator.createValidator(jdlObject, logger, { unidirectionalRelationships });
+  }
+  validator.checkForErrors();
+}
+
+// eslint-disable-next-line import/order
+// const jdlString = require('fs').readFileSync(process.argv[2], 'utf8');
+
+// parseJDL(jdlString);

src/main/jdl-core/jdl/converters/jdl-to-json/jdl-to-json-basic-entity-converter.js

@@ -0,0 +1,71 @@
+/**
+ * Copyright 2013-2022 the original author or authors from the JHipster project.
+ *
+ * This file is part of the JHipster project, see https://www.jhipster.tech/
+ * for more information.
+ *
+ * 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
+ *
+ *      https://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.
+ */
+
+const JSONEntity = require('../../jhipster/json-entity');
+const { formatComment } = require('../../utils/format-utils');
+const { getTableNameFromEntityName } = require('../../jhipster/entity-table-name-creator');
+const logger = require('../../utils/objects/logger');
+
+const USER = 'user';
+const AUTHORITY = 'authority';
+const builtInEntities = new Set([USER, AUTHORITY]);
+
+module.exports = {
+  convert,
+};
+
+/**
+ * Converts JDL entities to JSONEntity objects with basic information.
+ * @param {Array<JDLEntity>} jdlEntities - the JDL entities to convert.
+ * @return {Map<String, JSONEntity>} a map having for keys entity names and for values the corresponding JSON entities.
+ */
+function convert(jdlEntities) {
+  if (!jdlEntities) {
+    throw new Error('JDL entities must be passed to get the basic entity information.');
+  }
+  return createJSONEntities(jdlEntities);
+}
+
+function createJSONEntities(jdlEntities) {
+  const convertedEntities = new Map();
+  jdlEntities.forEach((jdlEntity, index) => {
+    const entityName = jdlEntity.name;
+    /*
+     * If the user adds a 'User' entity we consider it as the already
+     * created JHipster User entity and none of its fields and owner-side
+     * relationships will be considered.
+     */
+    if (builtInEntities.has(entityName.toLowerCase())) {
+      logger.warn(
+        `An Entity name '${entityName}' was used: '${entityName}' is an entity created by default by JHipster.` +
+          ' All relationships toward it will be kept but any attributes and relationships from it will be disregarded.'
+      );
+      return;
+    }
+    convertedEntities.set(
+      entityName,
+      new JSONEntity({
+        entityName,
+        entityTableName: getTableNameFromEntityName(jdlEntity.tableName),
+        javadoc: formatComment(jdlEntity.comment),
+      })
+    );
+  });
+  return convertedEntities;
+}