Examples with ReturnStmt com.github.javaparser.ast.stmt.ReturnStmt used on opensource projects

Example 21 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaMapParameter.

@Test
public void lambdaMapParameter() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaMap");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    MethodCallExpr methodCallExpr = (MethodCallExpr) returnStmt.getExpression().get();
    Expression expression = methodCallExpr.getArguments().get(0);
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.util.function.Function<? super java.lang.String, ? extends java.lang.String>", type.describe());
}

Example 22 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method personsStream.

@Test
public void personsStream() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaMap");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    expression = Navigator.findMethodCall(expression, "stream").get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.util.stream.Stream<java.lang.String>", type.describe());
}

Example 23 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaCollect.

@Test
public void lambdaCollect() {
    CompilationUnit cu = parseSample("LambdaCollect");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaMap");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expression = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.util.List<java.lang.String>", type.describe());
}

Example 24 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaBifunc.

@Test
public void lambdaBifunc() {
    CompilationUnit cu = parseSample("Lambda");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "bifunc");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    Expression expr = returnStmt.getExpression().get();
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type1 = javaParserFacade.getType(expr);
    assertEquals("double", type1.describe());
}

Example 25 with ReturnStmt

use of com.github.javaparser.ast.stmt.ReturnStmt in project javaparser by javaparser.

the class LambdaResolutionTest method lambdaCollectParam.

@Test
public void lambdaCollectParam() {
    CompilationUnit cu = parseSample("LambdaCollect");
    com.github.javaparser.ast.body.ClassOrInterfaceDeclaration clazz = Navigator.demandClass(cu, "Agenda");
    MethodDeclaration method = Navigator.demandMethod(clazz, "lambdaMap");
    ReturnStmt returnStmt = Navigator.findReturnStmt(method);
    MethodCallExpr methodCallExpr = (MethodCallExpr) returnStmt.getExpression().get();
    // Collectors.toList()
    Expression expression = methodCallExpr.getArguments().get(0);
    JavaParserFacade javaParserFacade = JavaParserFacade.get(new ReflectionTypeSolver());
    ResolvedType type = javaParserFacade.getType(expression);
    assertEquals("java.util.stream.Collector<T, ? extends java.lang.Object, java.util.List<T>>", type.describe());
}