[ONOS-4070] Translator of YANG union.
Change-Id: I5216687b6ea7cb6baeb3ef8e905719468370a1f4
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
index 08b3072..6fc37a5 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
@@ -20,7 +20,6 @@
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
-
import org.onosproject.yangutils.datamodel.YangNode;
import org.onosproject.yangutils.translator.tojava.HasJavaFileInfo;
import org.onosproject.yangutils.translator.tojava.HasTempJavaCodeFragmentFiles;
@@ -29,17 +28,21 @@
import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_CLASS_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.BUILDER_INTERFACE_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_TYPEDEF_CLASS;
+import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.GENERATE_UNION_CLASS;
import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.IMPL_CLASS_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedJavaFileType.INTERFACE_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.ATTRIBUTES_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_FOR_TYPE_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.CONSTRUCTOR_IMPL_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.EQUALS_IMPL_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.GETTER_FOR_CLASS_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.GETTER_FOR_INTERFACE_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.HASH_CODE_IMPL_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.OF_STRING_IMPL_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_CLASS_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.SETTER_FOR_INTERFACE_MASK;
import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.TO_STRING_IMPL_MASK;
+import static org.onosproject.yangutils.translator.tojava.GeneratedTempFileType.UNION_FROM_STRING_IMPL_MASK;
import static org.onosproject.yangutils.translator.tojava.utils.JavaCodeSnippetGen.getAugmentedInfoAttribute;
import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.getDataFromTempFileHandle;
import static org.onosproject.yangutils.translator.tojava.utils.JavaFileGeneratorUtils.initiateJavaFileGeneration;
@@ -49,8 +52,11 @@
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getConstructorStart;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEqualsMethodClose;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getEqualsMethodOpen;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getFromStringMethodClose;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getFromStringMethodSignature;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethodClose;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getHashCodeMethodOpen;
+import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getOmitNullValueString;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getRemoveAugmentationImpl;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethodClose;
import static org.onosproject.yangutils.translator.tojava.utils.MethodsGenerator.getToStringMethodOpen;
@@ -82,8 +88,8 @@
private static List<String> extendsList = new ArrayList<>();
/**
- * Creates an instance of java file generator.
- */
+ * Creates an instance of java file generator.
+ */
private JavaFileGenerator() {
}
@@ -126,10 +132,10 @@
/**
* Returns generated interface file for current node.
*
- * @param file file
- * @param imports imports for the file
- * @param curNode current YANG node
- * @param isAttrPresent if any attribute is present or not
+ * @param file file
+ * @param imports imports for the file
+ * @param curNode current YANG node
+ * @param isAttrPresent if any attribute is present or not
* @return interface file
* @throws IOException when fails to write in file
*/
@@ -163,9 +169,9 @@
/**
* Return generated builder interface file for current node.
*
- * @param file file
- * @param curNode current YANG node
- * @param isAttrPresent if any attribute is present or not
+ * @param file file
+ * @param curNode current YANG node
+ * @param isAttrPresent if any attribute is present or not
* @return builder interface file
* @throws IOException when fails to write in file
*/
@@ -215,15 +221,15 @@
/**
* Returns generated builder class file for current node.
*
- * @param file file
- * @param imports imports for the file
- * @param curNode current YANG node
- * @param isAttrPresent if any attribute is present or not
+ * @param file file
+ * @param imports imports for the file
+ * @param curNode current YANG node
+ * @param isAttrPresent if any attribute is present or not
* @return builder class file
* @throws IOException when fails to write in file
*/
public static File generateBuilderClassFile(File file, List<String> imports, YangNode curNode,
- boolean isAttrPresent) throws IOException {
+ boolean isAttrPresent) throws IOException {
JavaFileInfo javaFileInfo = ((HasJavaFileInfo) curNode).getJavaFileInfo();
@@ -281,8 +287,8 @@
/**
* Returns generated impl class file for current node.
*
- * @param file file
- * @param curNode current YANG node
+ * @param file file
+ * @param curNode current YANG node
* @param isAttrPresent if any attribute is present or not
* @return impl class file
* @throws IOException when fails to write in file
@@ -378,14 +384,14 @@
}
/**
- * Generates class file for type def.
+ * Generate class file for type def.
*
- * @param file generated file
+ * @param file generated file
* @param curNode current YANG node
* @param imports imports for file
* @return type def class file
* @throws IOException when fails to generate class file
- */
+ */
public static File generateTypeDefClassFile(File file, YangNode curNode, List<String> imports) throws IOException {
JavaFileInfo javaFileInfo = ((HasJavaFileInfo) curNode).getJavaFileInfo();
@@ -414,19 +420,19 @@
methods.add(((HasTempJavaCodeFragmentFiles) curNode).getTempJavaCodeFragmentFiles()
.addDefaultConstructor(PRIVATE, EMPTY_STRING));
- /**
- * Constructor.
- */
- methods.add(((HasTempJavaCodeFragmentFiles) curNode).getTempJavaCodeFragmentFiles()
- .addTypeDefConstructor());
-
- /**
- * Of method.
- */
- methods.add(((HasTempJavaCodeFragmentFiles) curNode).getTempJavaCodeFragmentFiles().addOfMethod());
try {
/**
+ * Type constructor.
+ */
+ methods.add(getDataFromTempFileHandle(CONSTRUCTOR_FOR_TYPE_MASK, curNode));
+
+ /**
+ * Of method.
+ */
+ methods.add(getDataFromTempFileHandle(OF_STRING_IMPL_MASK, curNode));
+
+ /**
* Getter method.
*/
methods.add(getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK, curNode));
@@ -461,4 +467,96 @@
return file;
}
+
+ /**
+ * Generate class file for union type.
+ *
+ * @param file generated file
+ * @param curNode current YANG node
+ * @param imports imports for file
+ * @return type def class file
+ * @throws IOException when fails to generate class file
+ */
+ public static File generateUnionClassFile(File file, YangNode curNode, List<String> imports) throws IOException {
+
+ JavaFileInfo javaFileInfo = ((HasJavaFileInfo) curNode).getJavaFileInfo();
+
+ String className = getCaptialCase(javaFileInfo.getJavaName());
+ String path = javaFileInfo.getBaseCodeGenPath() + javaFileInfo.getPackageFilePath();
+
+ initiateJavaFileGeneration(file, className, GENERATE_UNION_CLASS, imports, path);
+
+ List<String> methods = new ArrayList<>();
+
+ /**
+ * Add attribute strings.
+ */
+ try {
+ insertDataIntoJavaFile(file,
+ NEW_LINE + FOUR_SPACE_INDENTATION + getDataFromTempFileHandle(ATTRIBUTES_MASK, curNode));
+ } catch (IOException e) {
+ throw new IOException("No data found in temporary java code fragment files for " + className
+ + " while union class file generation");
+ }
+
+ /**
+ * Default constructor.
+ */
+ methods.add(((HasTempJavaCodeFragmentFiles) curNode).getTempJavaCodeFragmentFiles()
+ .addDefaultConstructor(PRIVATE, EMPTY_STRING));
+
+ try {
+
+ /**
+ * Type constructor.
+ */
+ methods.add(getDataFromTempFileHandle(CONSTRUCTOR_FOR_TYPE_MASK, curNode));
+
+ /**
+ * Of string method.
+ */
+ methods.add(getDataFromTempFileHandle(OF_STRING_IMPL_MASK, curNode));
+
+ /**
+ * Getter method.
+ */
+ methods.add(getDataFromTempFileHandle(GETTER_FOR_CLASS_MASK, curNode));
+
+ /**
+ * Hash code method.
+ */
+ methods.add(getHashCodeMethodClose(getHashCodeMethodOpen() + partString(
+ getDataFromTempFileHandle(HASH_CODE_IMPL_MASK, curNode).replace(NEW_LINE, EMPTY_STRING))));
+
+ /**
+ * Equals method.
+ */
+ methods.add(getEqualsMethodClose(getEqualsMethodOpen(className + EMPTY_STRING)
+ + getDataFromTempFileHandle(EQUALS_IMPL_MASK, curNode)));
+
+ /**
+ * To string method.
+ */
+ methods.add(getToStringMethodOpen() + getOmitNullValueString() +
+ getDataFromTempFileHandle(TO_STRING_IMPL_MASK, curNode) + getToStringMethodClose());
+
+ /**
+ * From string method.
+ */
+ methods.add(getFromStringMethodSignature(className)
+ + getDataFromTempFileHandle(UNION_FROM_STRING_IMPL_MASK, curNode)
+ + getFromStringMethodClose());
+
+ } catch (IOException e) {
+ throw new IOException("No data found in temporary java code fragment files for " + className
+ + " while union class file generation");
+ }
+
+ for (String method : methods) {
+ insertDataIntoJavaFile(file, method);
+ }
+ insertDataIntoJavaFile(file, CLOSE_CURLY_BRACKET + NEW_LINE);
+
+ return file;
+ }
}