Example usage for org.eclipse.jdt.core.dom ExpressionMethodReference setExpression

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom ExpressionMethodReference setExpression.

Prototype

public void setExpression(Expression expression) 

Source Link

Document

Sets the expression of this expression method reference.

Usage

From source file:de.dentrassi.varlink.generator.JdtGenerator.java

License:Open Source License

@SuppressWarnings("unchecked")
private void createImpl(final AST ast, final CompilationUnit cu, final Interface iface, final String name) {

    // create type

    final String implName = name + "Impl";

    final TypeDeclaration td = ast.newTypeDeclaration();
    cu.types().add(td);/* w ww  .j a  va 2s .c  o  m*/
    td.setName(ast.newSimpleName(implName));

    make(td, PUBLIC_KEYWORD);

    final Type parentType = ast.newSimpleType(ast.newName(name));
    td.superInterfaceTypes().add(parentType);

    // create factory

    createImplFactory(ast, td);

    // create fields

    createField(td, "de.dentrassi.varlink.spi.Connection", "connection", PRIVATE_KEYWORD, FINAL_KEYWORD);
    createField(td, "de.dentrassi.varlink.internal.VarlinkImpl", "varlink", PRIVATE_KEYWORD, FINAL_KEYWORD);

    // create constructor

    final MethodDeclaration ctor = ast.newMethodDeclaration();
    td.bodyDeclarations().add(ctor);

    ctor.setConstructor(true);
    ctor.setName(ast.newSimpleName(implName));
    make(ctor, PRIVATE_KEYWORD);

    createParameter(ctor, "de.dentrassi.varlink.spi.Connection", "connection", FINAL_KEYWORD);
    createParameter(ctor, "de.dentrassi.varlink.internal.VarlinkImpl", "varlink", FINAL_KEYWORD);

    // constructor body
    {
        final Block body = ast.newBlock();
        ctor.setBody(body);

        createThisAssignment(body, "connection");
        createThisAssignment(body, "varlink");
    }

    // error mapper

    {
        final MethodDeclaration md = ast.newMethodDeclaration();
        make(md, PUBLIC_KEYWORD);
        td.bodyDeclarations().add(md);

        md.setName(ast.newSimpleName("checkError"));
        createParameter(md, "de.dentrassi.varlink.spi.CallResponse", "response", FINAL_KEYWORD);

        final Block body = ast.newBlock();
        md.setBody(body);

        final MethodInvocation mi = ast.newMethodInvocation();
        mi.setExpression(ast.newName("de.dentrassi.varlink.spi.Errors"));
        mi.setName(ast.newSimpleName("checkErrors"));
        mi.arguments().add(ast.newSimpleName("response"));

        final ExpressionMethodReference ref = ast.newExpressionMethodReference();
        ref.setExpression(ast.newThisExpression());
        ref.setName(ast.newSimpleName("mapError"));
        mi.arguments().add(ref);

        body.statements().add(ast.newExpressionStatement(mi));
    }

    {
        final MethodDeclaration md = ast.newMethodDeclaration();
        make(md, PUBLIC_KEYWORD);
        td.bodyDeclarations().add(md);

        md.setName(ast.newSimpleName("mapError"));
        createParameter(md, "java.lang.String", "error", FINAL_KEYWORD);
        createParameter(md, "de.dentrassi.varlink.spi.CallResponse", "response", FINAL_KEYWORD);
        md.setReturnType2(ast.newSimpleType(ast.newName("java.lang.RuntimeException")));

        final Block body = ast.newBlock();
        md.setBody(body);

        final SwitchStatement sw = ast.newSwitchStatement();
        body.statements().add(sw);
        sw.setExpression(ast.newSimpleName("error"));

        errors(iface).forEach(error -> {
            final String errorName = errorTypeName(error);
            final String fullErrorName = iface.getName() + "." + errorName;

            final SwitchCase sc = ast.newSwitchCase();
            sc.setExpression(JdtHelper.newStringLiteral(ast, fullErrorName));
            sw.statements().add(sc);

            final FieldAccess fa = ast.newFieldAccess();
            fa.setExpression(ast.newThisExpression());
            fa.setName(ast.newSimpleName("varlink"));

            final MethodInvocation fromJson = ast.newMethodInvocation();
            fromJson.setExpression(fa);
            fromJson.setName(ast.newSimpleName("fromJson"));

            // type name

            final TypeLiteral typeLiteral = ast.newTypeLiteral();
            typeLiteral.setType(ast.newSimpleType(ast.newName(errorName + ".Parameters")));

            fromJson.arguments().add(typeLiteral);

            // parameters

            final MethodInvocation parameters = ast.newMethodInvocation();
            parameters.setExpression(ast.newSimpleName("response"));
            parameters.setName(ast.newSimpleName("getParameters"));
            fromJson.arguments().add(parameters);

            // new exception

            final ClassInstanceCreation cic = ast.newClassInstanceCreation();
            cic.setType(ast.newSimpleType(ast.newName(errorName)));
            cic.arguments().add(fromJson);

            // return

            final ReturnStatement ret = ast.newReturnStatement();
            ret.setExpression(cic);
            sw.statements().add(ret);
        });

        {
            final SwitchCase sc = ast.newSwitchCase();
            sc.setExpression(null);
            sw.statements().add(sc);
            final ReturnStatement ret = ast.newReturnStatement();
            ret.setExpression(ast.newNullLiteral());
            sw.statements().add(ret);
        }

    }

    // async creator

    /*
     * @Override public Async async() { return new Async() {
     *
     * @Override public CompletableFuture<List<Netdev>> list() { return
     * executeList(); } }; }
     */

    {
        final MethodDeclaration md = ast.newMethodDeclaration();
        td.bodyDeclarations().add(md);

        md.setName(ast.newSimpleName("async"));
        addSimpleAnnotation(md, "Override");
        make(md, PUBLIC_KEYWORD);

        md.setReturnType2(ast.newSimpleType(ast.newName("Async")));

        final Block body = ast.newBlock();
        md.setBody(body);

        // inner class

        final ReturnStatement ret = ast.newReturnStatement();
        body.statements().add(ret);

        final ClassInstanceCreation cic = ast.newClassInstanceCreation();
        cic.setType(ast.newSimpleType(ast.newName("Async")));
        ret.setExpression(cic);

        final AnonymousClassDeclaration acc = ast.newAnonymousClassDeclaration();
        cic.setAnonymousClassDeclaration(acc);

        forMethods(ast, iface, (m, amd) -> {

            acc.bodyDeclarations().add(amd);

            amd.setName(ast.newSimpleName(m.getName()));
            make(amd, PUBLIC_KEYWORD);
            makeAsync(amd);

            final Block asyncBody = ast.newBlock();
            amd.setBody(asyncBody);

            final ReturnStatement asyncRet = ast.newReturnStatement();
            asyncBody.statements().add(asyncRet);

            final MethodInvocation mi = ast.newMethodInvocation();
            mi.setName(ast.newSimpleName(internalMethodName(m.getName())));

            for (final String argName : m.getParameters().keySet()) {
                mi.arguments().add(ast.newSimpleName(argName));
            }

            asyncRet.setExpression(mi);
        });

    }

    // internal methods

    forMethods(ast, iface, (m, md) -> {
        make(md, PROTECTED_KEYWORD);
        td.bodyDeclarations().add(md);
        md.setName(ast.newSimpleName(internalMethodName(m.getName())));
        makeAsync(md);
        createInternalMethod(td, m, md);
    });

}

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From source file:org.whole.lang.java.util.JDTTransformerVisitor.java

License:Open Source License

@Override
public boolean visit(ExpressionMethodReference node) {
    org.whole.lang.java.model.ExpressionMethodReference expressionMethodReference = lf
            .createExpressionMethodReference();
    acceptChild((ASTNode) node.getExpression());
    expressionMethodReference.setExpression(exp);
    setTypeArguments(expressionMethodReference.getTypeArguments(), node.typeArguments());
    acceptChild((ASTNode) node.getName());
    expressionMethodReference.setName((org.whole.lang.java.model.SimpleName) name);
    this.exp = expressionMethodReference;
    return false;
}

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