+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. 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.yangtools.sal.java.api.generator
+import com.google.common.base.CharMatcher
+import com.google.common.base.Splitter
+import java.math.BigDecimal
+import java.math.BigInteger
+import java.util.Arrays
+import java.util.Collection
+import java.util.HashMap
+import java.util.List
+import java.util.Map
+import java.util.StringTokenizer
+import java.util.regex.Pattern
+import org.opendaylight.yangtools.binding.generator.util.Types
+import org.opendaylight.yangtools.sal.binding.model.api.ConcreteType
import org.opendaylight.yangtools.sal.binding.model.api.GeneratedProperty
+import org.opendaylight.yangtools.sal.binding.model.api.GeneratedTransferObject
import org.opendaylight.yangtools.sal.binding.model.api.GeneratedType
-import java.util.Map
+import org.opendaylight.yangtools.sal.binding.model.api.MethodSignature
+import org.opendaylight.yangtools.sal.binding.model.api.Restrictions
import org.opendaylight.yangtools.sal.binding.model.api.Type
-import org.opendaylight.yangtools.binding.generator.util.Types
-import com.google.common.base.Splitter
abstract class BaseTemplate {
-
-
protected val GeneratedType type;
- protected val Map<String,String> importMap;
- static val paragraphSplitter = Splitter.on("\n\n").omitEmptyStrings();
+ protected val Map<String, String> importMap;
+
+ private static final char NEW_LINE = '\n'
+ private static final CharMatcher NL_MATCHER = CharMatcher.is(NEW_LINE)
+ private static final CharMatcher TAB_MATCHER = CharMatcher.is('\t')
+ private static final Pattern SPACES_PATTERN = Pattern.compile(" +")
+ private static final Splitter NL_SPLITTER = Splitter.on(NL_MATCHER)
+
new(GeneratedType _type) {
- if (_type== null) {
+ if (_type == null) {
throw new IllegalArgumentException("Generated type reference cannot be NULL!")
}
this.type = _type;
- this.importMap = GeneratorUtil.createImports(type)
+ this.importMap = new HashMap<String,String>()
+ }
+
+ def packageDefinition() '''package «type.packageName»;'''
+
+ protected def getFullyQualifiedName() {
+ return type.fullyQualifiedName
}
-
- def packageDefinition () '''package «type.packageName»;'''
-
final public def generate() {
- val _body = body()
- '''
- «packageDefinition»
- «imports»
-
- «_body»
- '''.toString
+ val _body = body()
+ '''
+ «packageDefinition»
+ «imports»
+
+ «_body»
+ '''.toString
}
- protected def imports() '''
+
+ protected def imports() '''
«IF !importMap.empty»
«FOR entry : importMap.entrySet»
- import «entry.value».«entry.key»;
+ «IF !hasSamePackage(entry.value)»
+ import «entry.value».«entry.key»;
+ «ENDIF»
«ENDFOR»
«ENDIF»
-
+
'''
-
+
+ /**
+ * Checks if packages of generated type and imported type is the same
+ *
+ * @param importedTypePackageNam
+ * the package name of imported type
+ * @return true if the packages are the same false otherwise
+ */
+ final private def boolean hasSamePackage(String importedTypePackageName) {
+ return type.packageName.equals(importedTypePackageName);
+ }
+
protected abstract def CharSequence body();
// Helper patterns
-
final protected def fieldName(GeneratedProperty property) '''_«property.name»'''
-
+
+ final protected def propertyNameFromGetter(MethodSignature getter) {
+ var int prefix;
+ if (getter.name.startsWith("is")) {
+ prefix = 2
+ } else if (getter.name.startsWith("get")) {
+ prefix = 3
+ } else {
+ throw new IllegalArgumentException("Not a getter")
+ }
+ return getter.name.substring(prefix).toFirstLower;
+ }
+
/**
* Template method which generates the getter method for <code>field</code>
- *
- * @param field
+ *
+ * @param field
* generated property with data about field which is generated as the getter method
- * @return string with the getter method source code in JAVA format
+ * @return string with the getter method source code in JAVA format
*/
final protected def getterMethod(GeneratedProperty field) {
- '''
- public «field.returnType.importedName» «field.getterMethodName»() {
- return «field.fieldName»;
- }
- '''
+ '''
+ public «field.returnType.importedName» «field.getterMethodName»() {
+ «IF field.returnType.importedName.contains("[]")»
+ return «field.fieldName» == null ? null : «field.fieldName».clone();
+ «ELSE»
+ return «field.fieldName»;
+ «ENDIF»
+ }
+ '''
}
-
+
final protected def getterMethodName(GeneratedProperty field) {
val prefix = if(field.returnType.equals(Types.BOOLEAN)) "is" else "get"
return '''«prefix»«field.name.toFirstUpper»'''
}
-
+
/**
* Template method which generates the setter method for <code>field</code>
- *
- * @param field
+ *
+ * @param field
* generated property with data about field which is generated as the setter method
- * @return string with the setter method source code in JAVA format
+ * @return string with the setter method source code in JAVA format
*/
final protected def setterMethod(GeneratedProperty field) '''
«val returnType = field.returnType.importedName»
return this;
}
'''
-
+
final protected def importedName(Type intype) {
GeneratorUtil.putTypeIntoImports(type, intype, importMap);
GeneratorUtil.getExplicitType(type, intype, importMap)
}
-
- final protected def importedName(Class cls) {
+
+ final protected def importedName(Class<?> cls) {
importedName(Types.typeForClass(cls))
}
-
+
/**
* Template method which generates method parameters with their types from <code>parameters</code>.
- *
+ *
* @param parameters
* group of generated property instances which are transformed to the method parameters
* @return string with the list of the method parameters with their types in JAVA format
*/
- def final protected asArgumentsDeclaration(Iterable<GeneratedProperty> parameters)
- '''«IF !parameters.empty»«FOR parameter : parameters SEPARATOR ", "»«parameter.returnType.importedName» «parameter.fieldName»«ENDFOR»«ENDIF»'''
-
+ def final protected asArgumentsDeclaration(Iterable<GeneratedProperty> parameters) '''«IF !parameters.empty»«FOR parameter : parameters SEPARATOR ", "»«parameter.
+ returnType.importedName» «parameter.fieldName»«ENDFOR»«ENDIF»'''
+
/**
* Template method which generates sequence of the names of the class attributes from <code>parameters</code>.
- *
- * @param parameters
+ *
+ * @param parameters
* group of generated property instances which are transformed to the sequence of parameter names
- * @return string with the list of the parameter names of the <code>parameters</code>
+ * @return string with the list of the parameter names of the <code>parameters</code>
*/
- def final protected asArguments(Iterable<GeneratedProperty> parameters)
- '''«IF !parameters.empty»«FOR parameter : parameters SEPARATOR ", "»«parameter.fieldName»«ENDFOR»«ENDIF»'''
-
-
- /**
+ def final protected asArguments(Iterable<GeneratedProperty> parameters) '''«IF !parameters.empty»«FOR parameter : parameters SEPARATOR ", "»«parameter.
+ fieldName»«ENDFOR»«ENDIF»'''
+
+ /**
* Template method which generates JAVA comments.
- *
- * @param string with the comment for whole JAVA class
+ *
+ * @param comment string with the comment for whole JAVA class
* @return string with comment in JAVA format
*/
def protected CharSequence asJavadoc(String comment) {
- if (comment==null) return '';
- val paragraphs = paragraphSplitter.split(comment)
-
+ if(comment == null) return ''
+ var txt = comment
+
+ txt = comment.trim
+ txt = formatToParagraph(txt)
+
return '''
- /**
- «FOR p : paragraphs SEPARATOR "<p>"»
- «p»
- «ENDFOR»
- **/
- '''
- }
-}
\ No newline at end of file
+ «wrapToDocumentation(txt)»
+ '''
+ }
+
+ def String wrapToDocumentation(String text) {
+ if (text.empty)
+ return ""
+
+ val StringBuilder sb = new StringBuilder("/**")
+ sb.append(NEW_LINE)
+
+ for (String t : NL_SPLITTER.split(text)) {
+ sb.append(" *")
+ if (!t.isEmpty()) {
+ sb.append(' ');
+ sb.append(t)
+ }
+ sb.append(NEW_LINE)
+ }
+ sb.append(" */")
+
+ return sb.toString
+ }
+
+ def protected String formatDataForJavaDoc(GeneratedType type) {
+ val typeDescription = type.getDescription().encodeJavadocSymbols;
+
+ return '''
+ «IF !typeDescription.nullOrEmpty»
+ «typeDescription»
+ «ENDIF»
+ '''.toString
+ }
+
+ private static final CharMatcher AMP_MATCHER = CharMatcher.is('&');
+ private static final CharMatcher GT_MATCHER = CharMatcher.is('>');
+ private static final CharMatcher LT_MATCHER = CharMatcher.is('<');
+
+ def encodeJavadocSymbols(String description) {
+ if (description.nullOrEmpty) {
+ return description;
+ }
+
+ var ret = description.replace("*/", "*/")
+
+ // FIXME: Use Guava's HtmlEscapers once we have it available
+ ret = AMP_MATCHER.replaceFrom(ret, "&");
+ ret = GT_MATCHER.replaceFrom(ret, ">");
+ ret = LT_MATCHER.replaceFrom(ret, "<");
+ return ret;
+ }
+
+ def protected String formatDataForJavaDoc(GeneratedType type, String additionalComment) {
+ val StringBuilder typeDescription = new StringBuilder();
+ if (!type.description.nullOrEmpty) {
+ typeDescription.append(type.description)
+ typeDescription.append(NEW_LINE)
+ typeDescription.append(NEW_LINE)
+ typeDescription.append(NEW_LINE)
+ typeDescription.append(additionalComment)
+ } else {
+ typeDescription.append(additionalComment)
+ }
+
+ return '''
+ «typeDescription.toString»
+ '''.toString
+ }
+
+ def asLink(String text) {
+ val StringBuilder sb = new StringBuilder()
+ var tempText = text
+ var char lastChar = ' '
+ var boolean badEnding = false
+
+ if (text.endsWith('.') || text.endsWith(':') || text.endsWith(',')) {
+ tempText = text.substring(0, text.length - 1)
+ lastChar = text.charAt(text.length - 1)
+ badEnding = true
+ }
+ sb.append("<a href = \"")
+ sb.append(tempText)
+ sb.append("\">")
+ sb.append(tempText)
+ sb.append("</a>")
+
+ if(badEnding)
+ sb.append(lastChar)
+
+ return sb.toString
+ }
+
+ protected def formatToParagraph(String text) {
+ if(text == null || text.isEmpty)
+ return text
+
+ var formattedText = text
+ val StringBuilder sb = new StringBuilder();
+ var StringBuilder lineBuilder = new StringBuilder();
+ var boolean isFirstElementOnNewLineEmptyChar = false;
+
+ formattedText = formattedText.encodeJavadocSymbols
+ formattedText = NL_MATCHER.removeFrom(formattedText)
+ formattedText = TAB_MATCHER.removeFrom(formattedText)
+ formattedText = SPACES_PATTERN.matcher(formattedText).replaceAll(" ")
+
+ val StringTokenizer tokenizer = new StringTokenizer(formattedText, " ", true);
+
+ while(tokenizer.hasMoreElements) {
+ val nextElement = tokenizer.nextElement.toString
+
+ if(lineBuilder.length + nextElement.length > 80) {
+ if (lineBuilder.charAt(lineBuilder.length - 1) == ' ') {
+ lineBuilder.setLength(0)
+ lineBuilder.append(lineBuilder.substring(0, lineBuilder.length - 1))
+ }
+ if (lineBuilder.charAt(0) == ' ') {
+ lineBuilder.setLength(0)
+ lineBuilder.append(lineBuilder.substring(1))
+ }
+
+ sb.append(lineBuilder);
+ lineBuilder.setLength(0)
+ sb.append(NEW_LINE)
+
+ if(nextElement.toString == ' ') {
+ isFirstElementOnNewLineEmptyChar = !isFirstElementOnNewLineEmptyChar;
+ }
+ }
+
+ if(isFirstElementOnNewLineEmptyChar) {
+ isFirstElementOnNewLineEmptyChar = !isFirstElementOnNewLineEmptyChar
+ }
+
+ else {
+ lineBuilder.append(nextElement)
+ }
+ }
+ sb.append(lineBuilder)
+ sb.append(NEW_LINE)
+
+ return sb.toString
+ }
+
+ /**
+ * Print length constraint.
+ * This should always be a BigInteger (only string and binary can have length restriction)
+ */
+ def printLengthConstraint(Type returnType, Class<? extends Number> clazz, String paramName, boolean isNestedType, boolean isArray) '''
+ «clazz.importedNumber» _constraint = «clazz.importedNumber».valueOf(«paramName»«IF isNestedType».getValue()«ENDIF».length«IF !isArray»()«ENDIF»);
+ '''
+
+ def protected generateToString(Collection<GeneratedProperty> properties) '''
+ «IF !properties.empty»
+ @Override
+ public «String.importedName» toString() {
+ «StringBuilder.importedName» builder = new «StringBuilder.importedName»(«type.importedName».class.getSimpleName()).append(" [");
+ boolean first = true;
+
+ «FOR property : properties»
+ if («property.fieldName» != null) {
+ if (first) {
+ first = false;
+ } else {
+ builder.append(", ");
+ }
+ builder.append("«property.fieldName»=");
+ «IF property.returnType.name.contains("[")»
+ builder.append(«Arrays.importedName».toString(«property.fieldName»));
+ «ELSE»
+ builder.append(«property.fieldName»);
+ «ENDIF»
+ }
+ «ENDFOR»
+ return builder.append(']').toString();
+ }
+ «ENDIF»
+ '''
+
+ def getRestrictions(Type type) {
+ var Restrictions restrictions = null
+ if (type instanceof ConcreteType) {
+ restrictions = type.restrictions
+ } else if (type instanceof GeneratedTransferObject) {
+ restrictions = type.restrictions
+ }
+ return restrictions
+ }
+
+ def boolean isArrayType(GeneratedTransferObject type) {
+ var isArray = false
+ val GeneratedProperty value = findProperty(type, "value")
+ if (value != null && value.returnType.name.contains("[")) {
+ isArray = true
+ }
+ return isArray
+ }
+
+ def String toQuote(Object obj) {
+ return "\"" + obj.toString + "\"";
+ }
+
+ /**
+ * Template method which generates method parameters with their types from <code>parameters</code>.
+ *
+ * @param parameters
+ * list of parameter instances which are transformed to the method parameters
+ * @return string with the list of the method parameters with their types in JAVA format
+ */
+ def protected generateParameters(List<MethodSignature.Parameter> parameters) '''«
+ IF !parameters.empty»«
+ FOR parameter : parameters SEPARATOR ", "»«
+ parameter.type.importedName» «parameter.name»«
+ ENDFOR»«
+ ENDIF
+ »'''
+
+ def protected String importedNumber(Class<? extends Number> clazz) {
+ if (clazz.equals(typeof(BigDecimal))) {
+ return BigDecimal.importedName
+ }
+ return BigInteger.importedName
+ }
+
+ def protected String importedNumber(Type clazz) {
+ if (clazz.fullyQualifiedName.equals(BigDecimal.canonicalName)) {
+ return BigDecimal.importedName
+ }
+ return BigInteger.importedName
+ }
+
+ def protected String numericValue(Class<? extends Number> clazz, Object numberValue) {
+ val number = clazz.importedName;
+ val value = numberValue.toString
+ if (clazz.equals(typeof(BigInteger)) || clazz.equals(typeof(BigDecimal))) {
+ if (value.equals("0")) {
+ return number + ".ZERO"
+ } else if (value.equals("1")) {
+ return number + ".ONE"
+ } else if (value.equals("10")) {
+ return number + ".TEN"
+ } else {
+ try {
+ val Long longVal = Long.valueOf(value)
+ return number + ".valueOf(" + longVal + "L)"
+ } catch (NumberFormatException e) {
+ if (clazz.equals(typeof(BigDecimal))) {
+ try {
+ val Double doubleVal = Double.valueOf(value);
+ return number + ".valueOf(" + doubleVal + ")"
+ } catch (NumberFormatException e2) {
+ }
+ }
+ }
+ }
+ }
+ return "new " + number + "(\"" + value + "\")"
+ }
+
+ def protected GeneratedProperty findProperty(GeneratedTransferObject gto, String name) {
+ val props = gto.properties
+ for (prop : props) {
+ if (prop.name.equals(name)) {
+ return prop
+ }
+ }
+ val GeneratedTransferObject parent = gto.superType
+ if (parent != null) {
+ return findProperty(parent, name)
+ }
+ return null
+ }
+
+}