Package org.kie.efesto.common.utils

Class CommonCodegenUtils

  • public class CommonCodegenUtils
extends Object
    Class meant to provide helper methods to all code-generating classes

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void addListPopulationByMethodCallExpr​(List<com.github.javaparser.ast.expr.MethodCallExpr> toAdd, com.github.javaparser.ast.stmt.BlockStmt body, String listName)
      For every entry in the given list, add
      static void addListPopulationByObjectCreationExpr​(List<com.github.javaparser.ast.expr.ObjectCreationExpr> toAdd, com.github.javaparser.ast.stmt.BlockStmt body, String listName)
      For every entry in the given list, add
      static void addMapPopulation​(Map<String,​com.github.javaparser.ast.body.MethodDeclaration> toAdd, com.github.javaparser.ast.stmt.BlockStmt body, String mapName)
      For every entry in the given map, add
      static void addMapPopulationExpressions​(Map<String,​com.github.javaparser.ast.expr.Expression> toAdd, com.github.javaparser.ast.stmt.BlockStmt body, String mapName)
      For every entry in the given map, add a "put" statement to the provided BlockStmt body.
      static com.github.javaparser.ast.body.MethodDeclaration addMethod​(com.github.javaparser.ast.body.MethodDeclaration methodTemplate, com.github.javaparser.ast.body.ClassOrInterfaceDeclaration tableTemplate, String methodName)
      Add a MethodDeclaration to the class
      static void addMethodDeclarationsToClass​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration, List<com.github.javaparser.ast.body.MethodDeclaration> toAdd)
      Add a MethodDeclarations to the given ClassOrInterfaceDeclaration
      static void addMethodDeclarationToClass​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration, com.github.javaparser.ast.body.MethodDeclaration toAdd)
      Add a MethodDeclaration to the given ClassOrInterfaceDeclaration
      static com.github.javaparser.ast.expr.AssignExpr assignExprFrom​(String target, com.github.javaparser.ast.expr.Expression value)
      Return a new AssignExpr from a target name and a generic Expression.
      static com.github.javaparser.ast.expr.AssignExpr assignExprFrom​(String target, Enum<?> value)
      Return a new AssignExpr from a target name and an enum literal.
      static com.github.javaparser.ast.expr.AssignExpr assignExprFrom​(String target, String value)
      Return a new AssignExpr from a target name and String literal.
      static com.github.javaparser.ast.stmt.ExpressionStmt createArraysAsListExpression()
      Create an empty Arrays.asList() ExpressionStmt
      static com.github.javaparser.ast.stmt.ExpressionStmt createArraysAsListFromList​(List<?> source)
      Create a populated Arrays.asList(?...
      static void createHashMap​(com.github.javaparser.ast.stmt.BlockStmt body, String mapName, List<String> mapTypes)
      Declare and initialize a new Map in the given BlockStmt
      static void createLinkedHashMap​(com.github.javaparser.ast.stmt.BlockStmt body, String mapName, List<String> mapTypes)
      Declare and initialize a new LinkedHashMap in the given BlockStmt
      static void createPopulatedHashMap​(com.github.javaparser.ast.stmt.BlockStmt body, String mapName, List<String> mapTypes, Map<String,​com.github.javaparser.ast.expr.Expression> toAdd)
      Declare, initialize and populate a new HashMap in the given BlockStmt
      static void createPopulatedLinkedHashMap​(com.github.javaparser.ast.stmt.BlockStmt body, String mapName, List<String> mapTypes, Map<String,​com.github.javaparser.ast.expr.Expression> toAdd)
      Declare, initialize and populate a new LinkedHashMap in the given BlockStmt
      static com.github.javaparser.ast.NodeList<com.github.javaparser.ast.expr.Expression> getArraysAsListInvocation​(com.github.javaparser.ast.NodeList<com.github.javaparser.ast.expr.Expression> arguments)  
      static com.github.javaparser.ast.expr.MethodCallExpr getArraysAsListInvocationMethodCall​(com.github.javaparser.ast.NodeList<com.github.javaparser.ast.expr.Expression> arguments)  
      static Optional<com.github.javaparser.ast.expr.AssignExpr> getAssignExpression​(com.github.javaparser.ast.stmt.BlockStmt body, String assignExpressionName)
      Return an Optional<AssignExpr> with the given assignExpressionName from the given BlockStmt
      static com.github.javaparser.ast.expr.MethodCallExpr getChainedMethodCallExprFrom​(String name, com.github.javaparser.ast.expr.MethodCallExpr parent)
      Return a "chained" MethodCallExpr by name parent one.
      static Optional<com.github.javaparser.ast.expr.MethodReferenceExpr> getExplicitConstructorInvocationMethodReference​(com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt constructorInvocationStmt, String typeName)
      Return an Optional<MethodReferenceExpr> from the given ExplicitConstructorInvocationStmt
      static Optional<com.github.javaparser.ast.expr.NameExpr> getExplicitConstructorInvocationParameter​(com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt constructorInvocationStmt, String parameterName)
      Return an Optional<NameExpr> from the given ExplicitConstructorInvocationStmt
      static Optional<com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt> getExplicitConstructorInvocationStmt​(com.github.javaparser.ast.stmt.BlockStmt body)
      Return an Optional<ExplicitConstructorInvocationStmt> from the given BlockStmt
      static com.github.javaparser.ast.expr.Expression getExpressionForObject​(Object source)  
      static com.github.javaparser.ast.stmt.BlockStmt getInitializerBlockStmt​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration)
      Return an BlockStmt from the given ClassOrInterfaceDeclaration
      static com.github.javaparser.ast.body.InitializerDeclaration getInitializerDeclaration​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration)
      Return an InitializerDeclaration from the given ClassOrInterfaceDeclaration
      static Optional<com.github.javaparser.ast.body.MethodDeclaration> getMethodDeclaration​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration, String methodName)
      Return an Optional<MethodDeclaration> with the first method methodName from the given ClassOrInterfaceDeclaration
      static com.github.javaparser.ast.body.MethodDeclaration getMethodDeclaration​(String methodName)
      Returns
      static com.github.javaparser.ast.body.MethodDeclaration getMethodDeclaration​(String methodName, Map<String,​com.github.javaparser.ast.type.ClassOrInterfaceType> parameterNameTypeMap)
      Returns
      static com.github.javaparser.ast.stmt.BlockStmt getMethodDeclarationBlockStmt​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration, String methodName)
      Return an BlockStmt for the method methodName from the given ClassOrInterfaceDeclaration
      static List<com.github.javaparser.ast.expr.NameExpr> getNameExprsFromBlock​(com.github.javaparser.ast.stmt.BlockStmt toRead, String exprName)
      Return a lit<NameExpr> with all the instances of the given exprName
      static Optional<com.github.javaparser.ast.expr.Expression> getOptionalVariableInitializer​(com.github.javaparser.ast.body.MethodDeclaration methodDeclaration, String variableName)
      Retrieve the initializer of the given variableName from the given MethodDeclaration
      static com.github.javaparser.ast.stmt.ReturnStmt getReturnStmt​(String returnedVariableName)
      Returns
      static com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt getSuperConstructorInvocation​(com.github.javaparser.ast.body.ConstructorDeclaration constructorDeclaration)  
      static com.github.javaparser.ast.type.ClassOrInterfaceType getTypedClassOrInterfaceTypeByTypeNames​(String className, List<String> typesName)
      Returns
      static com.github.javaparser.ast.type.ClassOrInterfaceType getTypedClassOrInterfaceTypeByTypes​(String className, List<com.github.javaparser.ast.type.Type> types)
      Returns
      static Optional<com.github.javaparser.ast.body.VariableDeclarator> getVariableDeclarator​(com.github.javaparser.ast.body.MethodDeclaration methodDeclaration, String variableName)
      Return an Optional<VariableDeclarator> with the first variable variableName from the given MethodDeclaration
      static Optional<com.github.javaparser.ast.body.VariableDeclarator> getVariableDeclarator​(com.github.javaparser.ast.stmt.BlockStmt body, String variableName)
      Return an Optional<VariableDeclarator> with the first variable variableName from the given BlockStmt
      static com.github.javaparser.ast.expr.Expression getVariableInitializer​(com.github.javaparser.ast.body.MethodDeclaration methodDeclaration, String variableName)
      Retrieve the initializer of the given variableName from the given MethodDeclaration
      static Optional<com.github.javaparser.ast.expr.Expression> getVariableInitializer​(com.github.javaparser.ast.stmt.BlockStmt blockStmt, String variableName)
      Retrieve the initializer of the given variableName from the given MethodDeclaration
      static com.github.javaparser.ast.expr.Expression literalExprFrom​(Enum<?> input)
      Return a new Expression containing an enum literal.
      static com.github.javaparser.ast.expr.Expression literalExprFrom​(String input)
      Return a new Expression containing an String.
      static com.github.javaparser.ast.expr.MethodCallExpr methodCallExprFrom​(String scope, String name, com.github.javaparser.ast.expr.Expression... arguments)
      Return a new MethodCallExpr from scope, name and arguments.
      static void populateListInListGetter​(List<? extends com.github.javaparser.ast.expr.Expression> toAdd, com.github.javaparser.ast.body.MethodDeclaration methodDeclaration, String listName)
      Method to be used to populate a List inside a getter method meant to return only that List
      static void populateMethodDeclarations​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration toPopulate, Collection<com.github.javaparser.ast.body.MethodDeclaration> methodDeclarations)
      Populate the ClassOrInterfaceDeclaration with the provided MethodDeclarations
      static void replaceNameExprWithNullInStatement​(com.github.javaparser.ast.stmt.Statement container, List<com.github.javaparser.ast.expr.NameExpr> toReplace)
      Replace the List<NameExpr>s in the given Statement with NullLiteralExpr
      static void replaceNodeInStatement​(com.github.javaparser.ast.stmt.Statement container, CommonCodegenUtils.ReplacementTupla replacementTupla)
      Replace Node in the given Statement
      static void replaceNodesInStatement​(com.github.javaparser.ast.stmt.Statement container, List<CommonCodegenUtils.ReplacementTupla> replacementTuplas)
      Replace Nodes in the given Statement
      static void replaceStringLiteralExpressionInStatement​(com.github.javaparser.ast.stmt.Statement container, String toReplace, String replacement)
      Replace StringLiteralExpresions in the given Statement
      static void setAssignExpressionValue​(com.github.javaparser.ast.stmt.BlockStmt body, String assignExpressionName, com.github.javaparser.ast.expr.Expression value)
      Set the value of the variable with the given assignExpressionName in the given BlockStmt It throws KieEfestoCommonException if variable is not found
      static void setConstructorDeclarationParameterArgument​(com.github.javaparser.ast.body.ConstructorDeclaration constructorDeclaration, String parameterName, String value)
      Set the value of the given parameterName in the given ConstructorDeclaration
      static void setConstructorDeclarationReferenceArgument​(com.github.javaparser.ast.body.ConstructorDeclaration constructorDeclaration, String referenceName, String value)
      Set the value of the given parameterName in the given ConstructorDeclaration
      static void setExplicitConstructorInvocationStmtArgument​(com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt constructorInvocationStmt, String parameterName, String value)
      Set the value of the given parameterName in the given ExplicitConstructorInvocationStmt
      static void setVariableDeclaratorValue​(com.github.javaparser.ast.stmt.BlockStmt body, String variableDeclaratorName, com.github.javaparser.ast.expr.Expression value)
      Set the value of the variable with the given variableDeclaratorName in the given BlockStmt It throws KieEfestoCommonException if variable is not found

    • Field Detail

      • OPTIONAL_FILTERED_KIEPMMLNAMEVALUE_NAME

        public static String OPTIONAL_FILTERED_KIEPMMLNAMEVALUE_NAME

    • Method Detail

      • populateMethodDeclarations

        public static void populateMethodDeclarations​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration toPopulate,
                                              Collection<com.github.javaparser.ast.body.MethodDeclaration> methodDeclarations)
        Populate the ClassOrInterfaceDeclaration with the provided MethodDeclarations
        Parameters:
        toPopulate -
        methodDeclarations -

      • addMapPopulation

        public static void addMapPopulation​(Map<String,​com.github.javaparser.ast.body.MethodDeclaration> toAdd,
                                    com.github.javaparser.ast.stmt.BlockStmt body,
                                    String mapName)
        For every entry in the given map, add 
             (mapName).put(entry_key, this::entry_value_ref>);
        e.g. 
             MAP_NAME.put("KEY_0", this::METHOD_015);
     MAP_NAME.put("KEY_3", this::METHOD_33);
     MAP_NAME.put("KEY_2", this::METHOD_219);
     MAP_NAME.put("KEY_4", this::METHOD_46);
        inside the given BlockStmt
        Parameters:
        toAdd -
        body -
        mapName -

      • createHashMap

        public static void createHashMap​(com.github.javaparser.ast.stmt.BlockStmt body,
                                 String mapName,
                                 List<String> mapTypes)
        Declare and initialize a new Map in the given BlockStmt
        Parameters:
        body -
        mapName -
        mapTypes -

      • createLinkedHashMap

        public static void createLinkedHashMap​(com.github.javaparser.ast.stmt.BlockStmt body,
                                       String mapName,
                                       List<String> mapTypes)
        Declare and initialize a new LinkedHashMap in the given BlockStmt
        Parameters:
        body -
        mapName -
        mapTypes -

      • createPopulatedHashMap

        public static void createPopulatedHashMap​(com.github.javaparser.ast.stmt.BlockStmt body,
                                          String mapName,
                                          List<String> mapTypes,
                                          Map<String,​com.github.javaparser.ast.expr.Expression> toAdd)
        Declare, initialize and populate a new HashMap in the given BlockStmt
        Parameters:
        body -
        mapName -
        mapTypes -

      • createPopulatedLinkedHashMap

        public static void createPopulatedLinkedHashMap​(com.github.javaparser.ast.stmt.BlockStmt body,
                                                String mapName,
                                                List<String> mapTypes,
                                                Map<String,​com.github.javaparser.ast.expr.Expression> toAdd)
        Declare, initialize and populate a new LinkedHashMap in the given BlockStmt
        Parameters:
        body -
        mapName -
        mapTypes -

      • addMapPopulationExpressions

        public static void addMapPopulationExpressions​(Map<String,​com.github.javaparser.ast.expr.Expression> toAdd,
                                               com.github.javaparser.ast.stmt.BlockStmt body,
                                               String mapName)
        For every entry in the given map, add a "put" statement to the provided BlockStmt body.
        Parameters:
        toAdd - the map containing the input values to process
        body - the destination body
        mapName - the name of the map to populate in the codegenerated statements

      • addListPopulationByObjectCreationExpr

        public static void addListPopulationByObjectCreationExpr​(List<com.github.javaparser.ast.expr.ObjectCreationExpr> toAdd,
                                                         com.github.javaparser.ast.stmt.BlockStmt body,
                                                         String listName)
        For every entry in the given list, add 
             (listName).add(new ObjectCreationExpr>);
        e.g. 
             LIST_NAME.add(new OBJA());
     LIST_NAME.add(new OBJB());
     LIST_NAME.add(new OBJC());
     LIST_NAME.add(new OBJD());
        inside the given BlockStmt
        Parameters:
        toAdd -
        body -
        listName -

      • populateListInListGetter

        public static void populateListInListGetter​(List<? extends com.github.javaparser.ast.expr.Expression> toAdd,
                                            com.github.javaparser.ast.body.MethodDeclaration methodDeclaration,
                                            String listName)
        Method to be used to populate a List inside a getter method meant to return only that List
        Parameters:
        toAdd -
        methodDeclaration -
        listName -

      • addListPopulationByMethodCallExpr

        public static void addListPopulationByMethodCallExpr​(List<com.github.javaparser.ast.expr.MethodCallExpr> toAdd,
                                                     com.github.javaparser.ast.stmt.BlockStmt body,
                                                     String listName)
        For every entry in the given list, add 
             (listName).add(MethodCallExpr>);
        e.g. 
             LIST_NAME.add(ObjectA.builder().build());
     LIST_NAME.add(ObjectB.builder().build());
     LIST_NAME.add(ObjectC.builder().build());
     LIST_NAME.add(ObjectD.builder().build());
        inside the given BlockStmt
        Parameters:
        toAdd -
        body -
        listName -

      • createArraysAsListExpression

        public static com.github.javaparser.ast.stmt.ExpressionStmt createArraysAsListExpression()
        Create an empty Arrays.asList() ExpressionStmt
        Returns:

      • createArraysAsListFromList

        public static com.github.javaparser.ast.stmt.ExpressionStmt createArraysAsListFromList​(List<?> source)
        Create a populated Arrays.asList(?... a) ExpressionStmt
        Parameters:
        source -
        Returns:

      • getMethodDeclaration

        public static com.github.javaparser.ast.body.MethodDeclaration getMethodDeclaration​(String methodName,
                                                                                    Map<String,​com.github.javaparser.ast.type.ClassOrInterfaceType> parameterNameTypeMap)
        Returns 
             empty (methodName)((list of parameterType parameter name)) {
 }

        a multi-parameters MethodDeclaration whose names are the keys of the given Map and methodArity, and whose parameters types are the values The

        Parameters:
        methodName -
        parameterNameTypeMap - expecting an ordered map here, since parameters order matter for caller code
        Returns:

      • getMethodDeclaration

        public static com.github.javaparser.ast.body.MethodDeclaration getMethodDeclaration​(String methodName)
        Returns 
             empty (methodName)() {
     }

        A no-parameter MethodDeclaration whose name is derived from given methodName and methodArity

        Parameters:
        methodName -
        Returns:

      • getReturnStmt

        public static com.github.javaparser.ast.stmt.ReturnStmt getReturnStmt​(String returnedVariableName)
        Returns 
             return (returnedVariableName);

        e.g 

             return varOne;
        Parameters:
        returnedVariableName -
        Returns:

      • getTypedClassOrInterfaceTypeByTypeNames

        public static com.github.javaparser.ast.type.ClassOrInterfaceType getTypedClassOrInterfaceTypeByTypeNames​(String className,
                                                                                                          List<String> typesName)
        Returns 
             (className)<(comma-separated list of types)>

        e.g 

             CLASS_NAME
        a typed ClassOrInterfaceType
        Parameters:
        className -
        typesName -
        Returns:

      • getTypedClassOrInterfaceTypeByTypes

        public static com.github.javaparser.ast.type.ClassOrInterfaceType getTypedClassOrInterfaceTypeByTypes​(String className,
                                                                                                      List<com.github.javaparser.ast.type.Type> types)
        Returns 
             (className)<(comma-separated list of types)>

        e.g 

             CLASS_NAME
        a typed ClassOrInterfaceType
        Parameters:
        className -
        types -
        Returns:

      • setAssignExpressionValue

        public static void setAssignExpressionValue​(com.github.javaparser.ast.stmt.BlockStmt body,
                                            String assignExpressionName,
                                            com.github.javaparser.ast.expr.Expression value)
        Set the value of the variable with the given assignExpressionName in the given BlockStmt It throws KieEfestoCommonException if variable is not found
        Parameters:
        body -
        assignExpressionName -
        value -

      • getAssignExpression

        public static Optional<com.github.javaparser.ast.expr.AssignExpr> getAssignExpression​(com.github.javaparser.ast.stmt.BlockStmt body,
                                                                                      String assignExpressionName)
        Return an Optional<AssignExpr> with the given assignExpressionName from the given BlockStmt
        Parameters:
        body -
        assignExpressionName -
        Returns:
        Optional<AssignExpr> with the found AssignExpr, or Optional .empty() if no match has been found

      • getExplicitConstructorInvocationStmt

        public static Optional<com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt> getExplicitConstructorInvocationStmt​(com.github.javaparser.ast.stmt.BlockStmt body)
        Return an Optional<ExplicitConstructorInvocationStmt> from the given BlockStmt
        Parameters:
        body -
        Returns:
        Optional<ExplicitConstructorInvocationStmt> with the found ExplicitConstructorInvocationStmt, or Optional.empty() if none is found

      • setConstructorDeclarationParameterArgument

        public static void setConstructorDeclarationParameterArgument​(com.github.javaparser.ast.body.ConstructorDeclaration constructorDeclaration,
                                                              String parameterName,
                                                              String value)
        Set the value of the given parameterName in the given ConstructorDeclaration
        Parameters:
        constructorDeclaration -
        parameterName -
        value -
        Throws:
        org.kie.efesto.common.api.exceptions.KieEfestoCommonException - if the given parameter is not found

      • getSuperConstructorInvocation

        public static com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt getSuperConstructorInvocation​(com.github.javaparser.ast.body.ConstructorDeclaration constructorDeclaration)

      • setConstructorDeclarationReferenceArgument

        public static void setConstructorDeclarationReferenceArgument​(com.github.javaparser.ast.body.ConstructorDeclaration constructorDeclaration,
                                                              String referenceName,
                                                              String value)
        Set the value of the given parameterName in the given ConstructorDeclaration
        Parameters:
        constructorDeclaration -
        referenceName -
        value -
        Throws:
        org.kie.efesto.common.api.exceptions.KieEfestoCommonException - if the given parameter is not found

      • setExplicitConstructorInvocationStmtArgument

        public static void setExplicitConstructorInvocationStmtArgument​(com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt constructorInvocationStmt,
                                                                String parameterName,
                                                                String value)
        Set the value of the given parameterName in the given ExplicitConstructorInvocationStmt
        Parameters:
        constructorInvocationStmt -
        parameterName -
        value -
        Throws:
        org.kie.efesto.common.api.exceptions.KieEfestoCommonException - if the given parameter is not found

      • getInitializerBlockStmt

        public static com.github.javaparser.ast.stmt.BlockStmt getInitializerBlockStmt​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration)
        Return an BlockStmt from the given ClassOrInterfaceDeclaration
        Parameters:
        classOrInterfaceDeclaration -
        Throws:
        org.kie.efesto.common.api.exceptions.KieEfestoCommonException - if none is found

      • getInitializerDeclaration

        public static com.github.javaparser.ast.body.InitializerDeclaration getInitializerDeclaration​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration)
        Return an InitializerDeclaration from the given ClassOrInterfaceDeclaration
        Parameters:
        classOrInterfaceDeclaration -
        Throws:
        org.kie.efesto.common.api.exceptions.KieEfestoCommonException - if none is found

      • getExplicitConstructorInvocationParameter

        public static Optional<com.github.javaparser.ast.expr.NameExpr> getExplicitConstructorInvocationParameter​(com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt constructorInvocationStmt,
                                                                                                          String parameterName)
        Return an Optional<NameExpr> from the given ExplicitConstructorInvocationStmt
        Parameters:
        constructorInvocationStmt -
        parameterName -
        Returns:
        Optional<NameExpr> with the found NameExpr, or Optional.empty() if none is found

      • getExplicitConstructorInvocationMethodReference

        public static Optional<com.github.javaparser.ast.expr.MethodReferenceExpr> getExplicitConstructorInvocationMethodReference​(com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt constructorInvocationStmt,
                                                                                                                           String typeName)
        Return an Optional<MethodReferenceExpr> from the given ExplicitConstructorInvocationStmt
        Parameters:
        constructorInvocationStmt -
        typeName -
        Returns:
        Optional<MethodReferenceExpr> with the found MethodReferenceExpr, or Optional.empty() if none is found

      • getMethodDeclarationBlockStmt

        public static com.github.javaparser.ast.stmt.BlockStmt getMethodDeclarationBlockStmt​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration,
                                                                                     String methodName)
        Return an BlockStmt for the method methodName from the given ClassOrInterfaceDeclaration
        Parameters:
        classOrInterfaceDeclaration -
        methodName -
        Throws:
        org.kie.efesto.common.api.exceptions.KieEfestoCommonException - if none is found

      • getMethodDeclaration

        public static Optional<com.github.javaparser.ast.body.MethodDeclaration> getMethodDeclaration​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration,
                                                                                              String methodName)
        Return an Optional<MethodDeclaration> with the first method methodName from the given ClassOrInterfaceDeclaration
        Parameters:
        classOrInterfaceDeclaration -
        methodName -
        Returns:
        Optional<MethodDeclaration> with the first found MethodDeclaration, or Optional.empty() if no match has been found

      • addMethod

        public static com.github.javaparser.ast.body.MethodDeclaration addMethod​(com.github.javaparser.ast.body.MethodDeclaration methodTemplate,
                                                                         com.github.javaparser.ast.body.ClassOrInterfaceDeclaration tableTemplate,
                                                                         String methodName)
        Add a MethodDeclaration to the class
        Parameters:
        methodTemplate -
        tableTemplate -
        methodName -
        Returns:

      • setVariableDeclaratorValue

        public static void setVariableDeclaratorValue​(com.github.javaparser.ast.stmt.BlockStmt body,
                                              String variableDeclaratorName,
                                              com.github.javaparser.ast.expr.Expression value)
        Set the value of the variable with the given variableDeclaratorName in the given BlockStmt It throws KieEfestoCommonException if variable is not found
        Parameters:
        body -
        variableDeclaratorName -
        value -

      • getVariableDeclarator

        public static Optional<com.github.javaparser.ast.body.VariableDeclarator> getVariableDeclarator​(com.github.javaparser.ast.body.MethodDeclaration methodDeclaration,
                                                                                                String variableName)
        Return an Optional<VariableDeclarator> with the first variable variableName from the given MethodDeclaration
        Parameters:
        methodDeclaration -
        variableName -
        Returns:
        Optional<VariableDeclarator> with the first found VariableDeclarator, or Optional.empty() if no match has been found

      • getVariableDeclarator

        public static Optional<com.github.javaparser.ast.body.VariableDeclarator> getVariableDeclarator​(com.github.javaparser.ast.stmt.BlockStmt body,
                                                                                                String variableName)
        Return an Optional<VariableDeclarator> with the first variable variableName from the given BlockStmt
        Parameters:
        body -
        variableName -
        Returns:
        Optional<VariableDeclarator> with the first found VariableDeclarator, or Optional.empty() if no match has been found

      • getExpressionForObject

        public static com.github.javaparser.ast.expr.Expression getExpressionForObject​(Object source)

      • getNameExprsFromBlock

        public static List<com.github.javaparser.ast.expr.NameExpr> getNameExprsFromBlock​(com.github.javaparser.ast.stmt.BlockStmt toRead,
                                                                                  String exprName)
        Return a lit<NameExpr> with all the instances of the given exprName
        Parameters:
        toRead -
        exprName -
        Returns:

      • assignExprFrom

        public static com.github.javaparser.ast.expr.AssignExpr assignExprFrom​(String target,
                                                                       com.github.javaparser.ast.expr.Expression value)
        Return a new AssignExpr from a target name and a generic Expression.
        Parameters:
        target - String containing the name to assign the expression to
        value - the value to be assigned
        Returns:
        the new AssignExpr

      • assignExprFrom

        public static com.github.javaparser.ast.expr.AssignExpr assignExprFrom​(String target,
                                                                       Enum<?> value)
        Return a new AssignExpr from a target name and an enum literal.
        Parameters:
        target - String containing the name to assign the expression to
        value - the enum value to be assigned
        Returns:
        the new AssignExpr

      • assignExprFrom

        public static com.github.javaparser.ast.expr.AssignExpr assignExprFrom​(String target,
                                                                       String value)
        Return a new AssignExpr from a target name and String literal.
        Parameters:
        target - String containing the name to assign the expression to
        value - the String value to be assigned
        Returns:
        the new AssignExpr

      • literalExprFrom

        public static com.github.javaparser.ast.expr.Expression literalExprFrom​(Enum<?> input)
        Return a new Expression containing an enum literal.
        Parameters:
        input - the enum value to be assigned
        Returns:
        the new Expression

      • literalExprFrom

        public static com.github.javaparser.ast.expr.Expression literalExprFrom​(String input)
        Return a new Expression containing an String.
        Parameters:
        input - the String value to be assigned
        Returns:
        the new Expression

      • methodCallExprFrom

        public static com.github.javaparser.ast.expr.MethodCallExpr methodCallExprFrom​(String scope,
                                                                               String name,
                                                                               com.github.javaparser.ast.expr.Expression... arguments)
        Return a new MethodCallExpr from scope, name and arguments.
        Parameters:
        scope - the scope of the method to call
        name - the name of the method to call
        arguments - vararg list of Expression arguments
        Returns:
        the new MethodCallExpr

      • getChainedMethodCallExprFrom

        public static com.github.javaparser.ast.expr.MethodCallExpr getChainedMethodCallExprFrom​(String name,
                                                                                         com.github.javaparser.ast.expr.MethodCallExpr parent)
        Return a "chained" MethodCallExpr by name parent one.
        Parameters:
        name - the name of the method to call
        parent - vararg list of Expression arguments
        Returns:
        the found MethodCallExpr

      • replaceStringLiteralExpressionInStatement

        public static void replaceStringLiteralExpressionInStatement​(com.github.javaparser.ast.stmt.Statement container,
                                                             String toReplace,
                                                             String replacement)
        Replace StringLiteralExpresions in the given Statement
        Parameters:
        container -
        toReplace -
        replacement -

      • replaceNodesInStatement

        public static void replaceNodesInStatement​(com.github.javaparser.ast.stmt.Statement container,
                                           List<CommonCodegenUtils.ReplacementTupla> replacementTuplas)
        Replace Nodes in the given Statement
        Parameters:
        container -
        replacementTuplas -

      • replaceNodeInStatement

        public static void replaceNodeInStatement​(com.github.javaparser.ast.stmt.Statement container,
                                          CommonCodegenUtils.ReplacementTupla replacementTupla)
        Replace Node in the given Statement
        Parameters:
        container -
        replacementTupla -

      • addMethodDeclarationsToClass

        public static void addMethodDeclarationsToClass​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration,
                                                List<com.github.javaparser.ast.body.MethodDeclaration> toAdd)
        Add a MethodDeclarations to the given ClassOrInterfaceDeclaration
        Parameters:
        classOrInterfaceDeclaration -
        toAdd -

      • addMethodDeclarationToClass

        public static void addMethodDeclarationToClass​(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration classOrInterfaceDeclaration,
                                               com.github.javaparser.ast.body.MethodDeclaration toAdd)
        Add a MethodDeclaration to the given ClassOrInterfaceDeclaration
        Parameters:
        classOrInterfaceDeclaration -
        toAdd -

      • getVariableInitializer

        public static com.github.javaparser.ast.expr.Expression getVariableInitializer​(com.github.javaparser.ast.body.MethodDeclaration methodDeclaration,
                                                                               String variableName)
        Retrieve the initializer of the given variableName from the given MethodDeclaration
        Returns:

      • getOptionalVariableInitializer

        public static Optional<com.github.javaparser.ast.expr.Expression> getOptionalVariableInitializer​(com.github.javaparser.ast.body.MethodDeclaration methodDeclaration,
                                                                                                 String variableName)
        Retrieve the initializer of the given variableName from the given MethodDeclaration
        Returns:

      • getVariableInitializer

        public static Optional<com.github.javaparser.ast.expr.Expression> getVariableInitializer​(com.github.javaparser.ast.stmt.BlockStmt blockStmt,
                                                                                         String variableName)
        Retrieve the initializer of the given variableName from the given MethodDeclaration
        Returns:

      • replaceNameExprWithNullInStatement

        public static void replaceNameExprWithNullInStatement​(com.github.javaparser.ast.stmt.Statement container,
                                                      List<com.github.javaparser.ast.expr.NameExpr> toReplace)
        Replace the List<NameExpr>s in the given Statement with NullLiteralExpr
        Parameters:
        container -
        toReplace -

      • getArraysAsListInvocationMethodCall

        public static com.github.javaparser.ast.expr.MethodCallExpr getArraysAsListInvocationMethodCall​(com.github.javaparser.ast.NodeList<com.github.javaparser.ast.expr.Expression> arguments)

      • getArraysAsListInvocation

        public static com.github.javaparser.ast.NodeList<com.github.javaparser.ast.expr.Expression> getArraysAsListInvocation​(com.github.javaparser.ast.NodeList<com.github.javaparser.ast.expr.Expression> arguments)