Javaparser: Migration guide 1.0 to 3.0

[freddielaure]

Hi @matozoid ,

i migrate from 1.0 to 3.0

i have following Syntax errors

1- setTypeArgs

private Type getGenericType(IType typeParameter) {
    if (typeParameter instanceof IParameterizedType) {
        IParameterizedType paramType = (IParameterizedType)typeParameter;
        List<Type> recursiveType = getGenericTypes(paramType.getTypeArguments());
        ClassOrInterfaceType classType = new ClassOrInterfaceType(paramType.getTypeName());
       classType.setTypeArgs(recursiveType);
        return classType;
    } else {
        return ASTHelper.createReferenceType(typeParameter.getTypeName(), 0);

    }        
}

how to replace classType.setTypeArgs(recursiveType);?

2- getTypes

private TypeDeclaration findType(String typeName) {
    List<TypeDeclaration> types = (List<TypeDeclaration>) cu.getTypes();        
    for(TypeDeclaration td : types) {
        if (td.getName().equals(typeName)) {
            return td;                
        }
    }
    return null;
}

with which method should i replace getTypes?

3- ModifierSet.PUBLIC

public void createInterface(String name) {
    currentClass = new ClassOrInterfaceDeclaration(ModifierSet.PUBLIC, true, name);
    ASTHelper.addTypeDeclaration(cu, currentClass);                
}

What is the Variante for ModifierSet.PUBLIC in 3.0.0?

Thanks

Laure

[matozoid]

Hi again!

1. Try setTypeArguments.

2. I guess you want this:

    private TypeDeclaration<?> findType(String typeName) {
        CompilationUnit cu = new CompilationUnit();
        NodeList<TypeDeclaration<?>> types = cu.getTypes();
        for (TypeDeclaration<?> td : types) {
            if (td.getNameAsString().equals(typeName)) {
                return td;
            }
        }
        return null;
    }

1. Try some of this:

import static com.github.javaparser.ast.Modifier.PUBLIC;
----
        ClassOrInterfaceDeclaration currentClass = new ClassOrInterfaceDeclaration(EnumSet.of(PUBLIC), true, name);
        cu.addType(currentClass);
----
        ClassOrInterfaceDeclaration currentClass = cu.addInterface(name).setPublic(true);

[freddielaure]

HI @matozoid ,

thanks for the quick Feedback. That Help me. Unfortunally setTypeArguments does not works

1- setTypeArguments does not works

```
private Type getGenericType(IType typeParameter) {
if (typeParameter instanceof IParameterizedType) {
IParameterizedType paramType = (IParameterizedType)typeParameter;
List recursiveType = getGenericTypes(paramType.getTypeArguments());
ClassOrInterfaceType classType = new ClassOrInterfaceType(paramType.getTypeName());
classType.setTypeArguments(recursiveType);
return classType;
} else {
return ASTHelper.createReferenceType(typeParameter.getTypeName(), 0);

    }        
}

2- Hier too

  ```
  public Object invokeGenericMethod(Object site, String methodName, 
                                      List<Object> parameters, List<IType> typeParameters) {
        MethodCallExpr expr = (MethodCallExpr)invokeMethod(site, methodName, parameters);
        expr.setTypeArguments(getGenericTypes(typeParameters));
        return expr;
    }

3- setModifiers error

public void createMethod(String name, IType returnType,
                             List<TypedName> parameters, boolean isPrivate) {            
        MethodDeclaration method = new MethodDeclaration();      
        method.addOrphanComment(comment);
        method.getAllContainedComments();
        method.getOrphanComments();
        method.getComment();
        method.setName(name);
        int modifier = isPrivate ? ModifierSet.PRIVATE : EnumSet.of(PUBLIC);
        method.setModifiers(modifier);

        if (null != returnType) {
            method.setType(toImplType(returnType));
        } else {
            method.setType(ASTHelper.VOID_TYPE);
        }

        if (null != parameters && parameters.size() > 0) {
            for(TypedName tn : parameters) {                
                Parameter param = ASTHelper.createParameter(toImplType(tn.getType()),tn.getName());
                method.addParameter(param);
            }
        }


        currentClass.addMember(method);
        emptyMethodBody(method);
    }

Here
int modifier = isPrivate ? ModifierSet.PRIVATE : EnumSet.of(PUBLIC);
method.setModifiers(modifier);

[matozoid]

Okay, cool. If you want more help with that, please give a little bit of code that compiles (except the setTypeArguments part.)

[freddielaure]

please give your email adresse. I will share the code with you. Thanks

[matozoid]

I'm afraid I only answer public questions. I'm sure you can create a sample of a few lines.

[matozoid]

Hey @freddielaure, how is it going?

[freddielaure]

Hi @matozoid ,

thanks to ask.

1- DO you know how to replace method.setJavaDoc(comment); ? I have imported that Library
import com.github.javaparser.ast.comments.Comment;
import com.github.javaparser.ast.comments.JavadocComment;

But method.setJavaDoc(comment); does not works. Here is the Error
cannot find symbol; symbol: method setJavaDoc(com.github.javaparser.ast.comments.JavadocComment); location: variable method of type com.github.javaparser.ast.body.MethodDeclaration

2- methodName Errors: incompatible types: java.lang.String cannot be converted to com.github.javaparser.ast.expr.SimpleName

public Object invokeMethod(Object site, String methodName, List<Object> parameters) {
    List<Expression> params = getParamExpr(parameters);
    MethodCallExpr expr = new MethodCallExpr(getExpr(site), **methodName**, NodeList.nodeList(params));
    return expr;
}

3- qualifiedClassName: incompatible types: java.lang.String cannot be converted to com.github.javaparser.ast.expr.Name

private void createImport(String qualifiedClassName) {
    ImportDeclaration decl = new ImportDeclaration(qualifiedClassName, false, false);
    cu.getImports().add(decl);
}

4- ASTHelper.createReferenceType(typeParameter.getTypeName(), 0): cannot find symbol; symbol: variable ASTHelper; location: class plsql2java.javaAST.JavaParserASTImpl

Thanks

[matozoid]

1- that's setJavadocComment now, right? Are you using an IDE? I would expect that method to be easy to find with an IDE, so if you're not using one, try Netbeans, Eclipse, or Intellij or so.

2- as the migration guide points out, all names are now nodes (https://github.com/javaparser/javaparser/wiki/Migration-Guide) so you will have to new SimpleName there.

3- same as 2. The nicest way to go from String to Name is with JavaParser.parseName.

4- that's also mentioned in the migration guide. You don't show me any context, so I can't say how exactly to fix it, but in principle ReferenceType is a wrapper that you need to remove - and with a little luck the remaining code gets simpler.

[ftomassetti]

I think it would help us help you to figure out more about the context.
Are you a professional java developer? A student? A developer not familiar
with Java?

On Thu, 20 Sep 2018 at 12:11, Danny van Bruggen [e-mail]
wrote:

1- that's setJavadocComment now, right? Are you using an IDE? I would
expect that method to be easy to find with an IDE, so if you're not using
one, try Netbeans, Eclipse, or Intellij or so.

2- as the migration guide points out, all names are now nodes (
https://github.com/javaparser/javaparser/wiki/Migration-Guide) so you
will have to new SimpleName there.

3- same as 2. The nicest way to go from String to Name is with
JavaParser.parseName.

4- that's also mentioned in the migration guide. You don't show me any
context, so I can't say how exactly to fix it, but in principle
ReferenceType is a wrapper that you need to remove - and with a little
luck the remaining code gets simpler.

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[matozoid]

No more replies, so I guess everything is solved.