2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.mdsal.binding.java.api.generator
10 import static org.opendaylight.mdsal.binding.model.util.BindingGeneratorUtil.encodeAngleBrackets
12 import com.google.common.base.CharMatcher
13 import com.google.common.base.MoreObjects
14 import com.google.common.base.Splitter
15 import com.google.common.collect.Iterables
16 import java.util.Collection
18 import java.util.Map.Entry
19 import java.util.StringTokenizer
20 import java.util.regex.Pattern
21 import org.opendaylight.mdsal.binding.model.api.ConcreteType
22 import org.opendaylight.mdsal.binding.model.api.Constant
23 import org.opendaylight.mdsal.binding.model.api.GeneratedProperty
24 import org.opendaylight.mdsal.binding.model.api.GeneratedType
25 import org.opendaylight.mdsal.binding.model.api.JavaTypeName
26 import org.opendaylight.mdsal.binding.model.api.MethodSignature
27 import org.opendaylight.mdsal.binding.model.api.Restrictions
28 import org.opendaylight.mdsal.binding.model.api.Type
29 import org.opendaylight.mdsal.binding.model.api.TypeMember
30 import org.opendaylight.mdsal.binding.model.api.YangSourceDefinition.Single
31 import org.opendaylight.mdsal.binding.model.api.YangSourceDefinition.Multiple
32 import org.opendaylight.mdsal.binding.model.util.TypeConstants
33 import org.opendaylight.mdsal.binding.model.util.Types
34 import org.opendaylight.mdsal.binding.spec.naming.BindingMapping
35 import org.opendaylight.yangtools.yang.binding.CodeHelpers
36 import org.opendaylight.yangtools.yang.common.QName
37 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode
38 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode
39 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition
40 import org.opendaylight.yangtools.yang.model.api.RpcDefinition
41 import org.opendaylight.yangtools.yang.model.api.SchemaNode
42 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping
43 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement
44 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement
45 import org.opendaylight.yangtools.yang.model.api.stmt.ModuleEffectiveStatement
46 import org.opendaylight.yangtools.yang.model.export.DeclaredStatementFormatter
48 abstract class BaseTemplate extends JavaFileTemplate {
49 static final char NEW_LINE = '\n'
50 static val AMP_MATCHER = CharMatcher.is('&')
51 static val NL_MATCHER = CharMatcher.is(NEW_LINE)
52 static val TAB_MATCHER = CharMatcher.is('\t')
53 static val SPACES_PATTERN = Pattern.compile(" +")
54 static val NL_SPLITTER = Splitter.on(NL_MATCHER)
55 static val TAIL_COMMENT_PATTERN = Pattern.compile("*/", Pattern.LITERAL);
56 static val YANG_FORMATTER = DeclaredStatementFormatter.builder()
57 .addIgnoredStatement(YangStmtMapping.CONTACT)
58 .addIgnoredStatement(YangStmtMapping.DESCRIPTION)
59 .addIgnoredStatement(YangStmtMapping.REFERENCE)
60 .addIgnoredStatement(YangStmtMapping.ORGANIZATION)
63 new(GeneratedType type) {
67 new(AbstractJavaGeneratedType javaType, GeneratedType type) {
71 final def generate() {
74 package «type.packageName»;
81 protected abstract def CharSequence body();
84 final protected def fieldName(GeneratedProperty property) '''_«property.name»'''
86 final protected def propertyNameFromGetter(MethodSignature getter) {
88 if (getter.name.startsWith("is")) {
90 } else if (getter.name.startsWith("get")) {
93 throw new IllegalArgumentException("Not a getter")
95 return getter.name.substring(prefix).toFirstLower;
98 final protected def isAccessor(MethodSignature maybeGetter) {
99 return maybeGetter.name.startsWith("is") || maybeGetter.name.startsWith("get");
103 * Template method which generates the getter method for <code>field</code>
106 * generated property with data about field which is generated as the getter method
107 * @return string with the getter method source code in JAVA format
109 protected def getterMethod(GeneratedProperty field) {
111 public «field.returnType.importedName» «field.getterMethodName»() {
112 «IF field.returnType.importedName.contains("[]")»
113 return «field.fieldName» == null ? null : «field.fieldName».clone();
115 return «field.fieldName»;
121 final protected def getterMethodName(GeneratedProperty field) {
122 val prefix = if(field.returnType.equals(Types.BOOLEAN)) "is" else "get"
123 return '''«prefix»«field.name.toFirstUpper»'''
127 * Template method which generates the setter method for <code>field</code>
130 * generated property with data about field which is generated as the setter method
131 * @return string with the setter method source code in JAVA format
133 final protected def setterMethod(GeneratedProperty field) '''
134 «val returnType = field.returnType.importedName»
135 public «type.name» set«field.name.toFirstUpper»(«returnType» value) {
136 this.«field.fieldName» = value;
142 * Template method which generates method parameters with their types from <code>parameters</code>.
145 * group of generated property instances which are transformed to the method parameters
146 * @return string with the list of the method parameters with their types in JAVA format
148 def final protected asArgumentsDeclaration(Iterable<GeneratedProperty> parameters) '''«IF !parameters.empty»«FOR parameter : parameters SEPARATOR ", "»«parameter.
149 returnType.importedName» «parameter.fieldName»«ENDFOR»«ENDIF»'''
152 * Template method which generates sequence of the names of the class attributes from <code>parameters</code>.
155 * group of generated property instances which are transformed to the sequence of parameter names
156 * @return string with the list of the parameter names of the <code>parameters</code>
158 def final protected asArguments(Iterable<GeneratedProperty> parameters) '''«IF !parameters.empty»«FOR parameter : parameters SEPARATOR ", "»«parameter.
159 fieldName»«ENDFOR»«ENDIF»'''
162 * Template method which generates JAVA comments.
164 * @param comment string with the comment for whole JAVA class
165 * @return string with comment in JAVA format
167 def protected CharSequence asJavadoc(String comment) {
168 if(comment === null) return ''
172 txt = formatToParagraph(txt)
175 «wrapToDocumentation(txt)»
179 def static String wrapToDocumentation(String text) {
183 val StringBuilder sb = new StringBuilder().append("/**\n")
184 for (String t : NL_SPLITTER.split(text)) {
197 def protected String formatDataForJavaDoc(GeneratedType type) {
198 val sb = new StringBuilder()
199 val comment = type.comment
200 if (comment !== null) {
201 sb.append(comment.javadoc)
204 appendSnippet(sb, type)
213 def static encodeJavadocSymbols(String description) {
214 if (description.nullOrEmpty) {
218 return TAIL_COMMENT_PATTERN.matcher(AMP_MATCHER.replaceFrom(description, "&")).replaceAll("*/")
221 def protected String formatDataForJavaDoc(GeneratedType type, String additionalComment) {
222 val comment = type.comment
223 if (comment === null) {
229 val sb = new StringBuilder().append(comment.javadoc)
230 appendSnippet(sb, type)
235 .append(additionalComment)
242 def private static void appendSnippet(StringBuilder sb, GeneratedType type) {
243 val optDef = type.yangSourceDefinition
244 if (optDef.present) {
248 if (def instanceof Single) {
251 .append("This class represents the following YANG schema fragment defined in module <b>")
252 .append(def.module.argument).append("</b>\n")
254 appendYangSnippet(sb, def.module, (node as EffectiveStatement<?, ?>).declared)
257 if (node instanceof SchemaNode) {
258 sb.append("The schema path to identify an instance is\n")
260 .append(formatSchemaPath(def.module.argument, node.path.pathFromRoot))
263 if (hasBuilderClass(node)) {
264 val builderName = type.name + "Builder";
266 sb.append("\n<p>To create instances of this class use {@link ").append(builderName)
268 .append("@see ").append(builderName).append('\n')
269 if (node instanceof ListSchemaNode) {
270 val keyDef = node.keyDefinition
271 if (keyDef !== null && !keyDef.empty) {
272 sb.append("@see ").append(type.name).append("Key")
278 } else if (def instanceof Multiple) {
280 for (SchemaNode node : def.nodes) {
281 appendYangSnippet(sb, def.module, (node as EffectiveStatement<?, ?>).declared)
283 sb.append("</pre>\n")
288 def private static void appendYangSnippet(StringBuilder sb, ModuleEffectiveStatement module,
289 DeclaredStatement<?> stmt) {
290 for (String str : YANG_FORMATTER.toYangTextSnippet(module, stmt)) {
291 sb.append(encodeAngleBrackets(encodeJavadocSymbols(str)))
295 def private static boolean hasBuilderClass(SchemaNode schemaNode) {
296 return schemaNode instanceof ContainerSchemaNode || schemaNode instanceof ListSchemaNode
297 || schemaNode instanceof RpcDefinition || schemaNode instanceof NotificationDefinition;
300 def private static String formatSchemaPath(String moduleName, Iterable<QName> schemaPath) {
301 val sb = new StringBuilder().append(moduleName);
303 var currentElement = Iterables.getFirst(schemaPath, null);
304 for (QName pathElement : schemaPath) {
306 if (!currentElement.namespace.equals(pathElement.namespace)) {
307 currentElement = pathElement
308 sb.append(pathElement)
310 sb.append(pathElement.getLocalName())
313 return sb.toString();
316 def protected static String formatDataForJavaDoc(TypeMember type, String additionalComment) {
317 val StringBuilder typeDescriptionBuilder = new StringBuilder();
318 if (!type.comment.nullOrEmpty) {
319 typeDescriptionBuilder.append(formatToParagraph(type.comment))
320 typeDescriptionBuilder.append(NEW_LINE)
321 typeDescriptionBuilder.append(NEW_LINE)
322 typeDescriptionBuilder.append(NEW_LINE)
324 typeDescriptionBuilder.append(additionalComment)
325 var typeDescription = wrapToDocumentation(typeDescriptionBuilder.toString)
331 def asCode(String text) {
332 return "<code>" + text + "</code>"
335 def asLink(String text) {
336 val StringBuilder sb = new StringBuilder()
338 var char lastChar = ' '
339 var boolean badEnding = false
341 if (text.endsWith('.') || text.endsWith(':') || text.endsWith(',')) {
342 tempText = text.substring(0, text.length - 1)
343 lastChar = text.charAt(text.length - 1)
346 sb.append("<a href = \"")
358 protected static def formatToParagraph(String text) {
359 if(text === null || text.isEmpty)
362 var formattedText = text
363 val StringBuilder sb = new StringBuilder();
364 var StringBuilder lineBuilder = new StringBuilder();
365 var boolean isFirstElementOnNewLineEmptyChar = false;
367 formattedText = encodeJavadocSymbols(formattedText)
368 formattedText = NL_MATCHER.removeFrom(formattedText)
369 formattedText = TAB_MATCHER.removeFrom(formattedText)
370 formattedText = SPACES_PATTERN.matcher(formattedText).replaceAll(" ")
372 val StringTokenizer tokenizer = new StringTokenizer(formattedText, " ", true);
374 while (tokenizer.hasMoreElements) {
375 val nextElement = tokenizer.nextElement.toString
377 if (lineBuilder.length != 0 && lineBuilder.length + nextElement.length > 80) {
378 if (lineBuilder.charAt(lineBuilder.length - 1) == ' ') {
379 lineBuilder.setLength(0)
380 lineBuilder.append(lineBuilder.substring(0, lineBuilder.length - 1))
382 if (lineBuilder.charAt(0) == ' ') {
383 lineBuilder.setLength(0)
384 lineBuilder.append(lineBuilder.substring(1))
387 sb.append(lineBuilder);
388 lineBuilder.setLength(0)
391 if(nextElement.toString == ' ') {
392 isFirstElementOnNewLineEmptyChar = !isFirstElementOnNewLineEmptyChar;
396 if (isFirstElementOnNewLineEmptyChar) {
397 isFirstElementOnNewLineEmptyChar = !isFirstElementOnNewLineEmptyChar
401 lineBuilder.append(nextElement)
404 sb.append(lineBuilder)
410 def protected generateToString(Collection<GeneratedProperty> properties) '''
411 «IF !properties.empty»
412 @«Override.importedName»
413 public «String.importedName» toString() {
414 final «MoreObjects.importedName».ToStringHelper helper = «MoreObjects.importedName».toStringHelper(«type.importedName».class);
415 «FOR property : properties»
416 «CodeHelpers.importedName».appendValue(helper, "«property.fieldName»", «property.fieldName»);
418 return helper.toString();
424 * Template method which generates method parameters with their types from <code>parameters</code>.
427 * list of parameter instances which are transformed to the method parameters
428 * @return string with the list of the method parameters with their types in JAVA format
430 def protected generateParameters(List<MethodSignature.Parameter> parameters) '''«
431 IF !parameters.empty»«
432 FOR parameter : parameters SEPARATOR ", "»«
433 parameter.type.importedName» «parameter.name»«
438 def protected emitConstant(Constant c) '''
439 «IF BindingMapping.QNAME_STATIC_FIELD_NAME.equals(c.name)»
440 «val entry = c.value as Entry<JavaTypeName, String>»
441 public static final «c.type.importedName» «c.name» = «entry.key.importedName».«BindingMapping.MODULE_INFO_QNAMEOF_METHOD_NAME»("«entry.value»");
443 public static final «c.type.importedName» «c.name» = «c.value»;
447 def protected generateCheckers(GeneratedProperty field, Restrictions restrictions, Type actualType) '''
448 «IF restrictions.rangeConstraint.present»
449 «AbstractRangeGenerator.forType(actualType).generateRangeChecker(field.name.toFirstUpper,
450 restrictions.rangeConstraint.get, this)»
452 «IF restrictions.lengthConstraint.present»
453 «LengthGenerator.generateLengthChecker(field.fieldName.toString, actualType, restrictions.lengthConstraint.get, this)»
457 def protected checkArgument(GeneratedProperty property, Restrictions restrictions, Type actualType, String value) '''
458 «IF restrictions.getRangeConstraint.isPresent»
459 «IF actualType instanceof ConcreteType»
460 «AbstractRangeGenerator.forType(actualType).generateRangeCheckerCall(property.getName.toFirstUpper, value)»
462 «AbstractRangeGenerator.forType(actualType).generateRangeCheckerCall(property.getName.toFirstUpper, value + ".getValue()")»
465 «IF restrictions.getLengthConstraint.isPresent»
466 «IF actualType instanceof ConcreteType»
467 «LengthGenerator.generateLengthCheckerCall(property.fieldName.toString, value)»
469 «LengthGenerator.generateLengthCheckerCall(property.fieldName.toString, value + ".getValue()")»
473 «val fieldUpperCase = property.fieldName.toString.toUpperCase()»
474 «FOR currentConstant : type.getConstantDefinitions»
475 «IF currentConstant.getName.startsWith(TypeConstants.PATTERN_CONSTANT_NAME)
476 && fieldUpperCase.equals(currentConstant.getName.substring(TypeConstants.PATTERN_CONSTANT_NAME.length))»
477 «CodeHelpers.importedName».checkPattern(value, «Constants.MEMBER_PATTERN_LIST»«property.fieldName», «Constants.MEMBER_REGEX_LIST»«property.fieldName»);