Example usage for org.eclipse.jdt.core.dom AST newThrowStatement

Introduction

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

Prototype

public ThrowStatement newThrowStatement() 

Source Link

Document

Creates a new unparented throw statement node owned by this AST.

Usage

From source file:com.google.devtools.j2cpp.translate.DeadCodeEliminator.java

License:Open Source License

/**
 * Add a thrown AssertionError statement to a block.
 *///  www .  j  av  a  2s  .  c  o  m
@SuppressWarnings("unchecked")
private void addAssertionError(Block block) {
    AST ast = block.getAST();

    ThrowStatement throwStatement = ast.newThrowStatement();
    block.statements().add(throwStatement);

    ClassInstanceCreation newException = ast.newClassInstanceCreation();
    throwStatement.setExpression(newException);

    Type assertionError = ast.newSimpleType(ast.newSimpleName("AssertionError"));
    newException.setType(assertionError);

    StringLiteral assertionDescription = ast.newStringLiteral();
    assertionDescription.setLiteralValue("Cannot invoke dead method");
    newException.arguments().add(assertionDescription);
}

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From source file:com.idega.eclipse.ejbwizards.IDOEntityCreator.java

License:Open Source License

private void createHomeImplementation(IProgressMonitor monitor, ICompilationUnit iUnit, String typePackage,
        String name) throws JavaModelException, MalformedTreeException, BadLocationException {
    iUnit.getBuffer().setContents("");
    String source = iUnit.getBuffer().getContents();
    Document document = new Document(source);

    ASTParser parser = ASTParser.newParser(AST.JLS3);
    parser.setSource(iUnit);//from   w  w  w.j  a  va  2s.c om

    CompilationUnit unit = (CompilationUnit) parser.createAST(monitor);
    unit.recordModifications();

    AST ast = unit.getAST();

    // Package statement
    unit.setPackage(getPackageDeclaration(ast, typePackage));

    // class declaration
    TypeDeclaration classType = getTypeDeclaration(ast, name + "HomeImpl", false, "IDOFactory", null,
            getHomeImplImports());
    classType.superInterfaceTypes().add(ast.newSimpleType(ast.newSimpleName(name + "Home")));
    addHomeImplImport("com.idega.data.IDOFactory");
    unit.types().add(classType);

    // create() method
    MethodDeclaration methodConstructor = ast.newMethodDeclaration();
    methodConstructor.setConstructor(false);
    if (this.isJDK1_5) {
        MarkerAnnotation annotation = ast.newMarkerAnnotation();
        annotation.setTypeName(ast.newSimpleName("Override"));
        methodConstructor.modifiers().add(annotation);
    }
    methodConstructor.modifiers().addAll(ast.newModifiers(Modifier.PUBLIC));
    if (this.isJDK1_5) {
        ParameterizedType returnType = ast.newParameterizedType(ast.newSimpleType(ast.newSimpleName("Class")));
        returnType.typeArguments().add(ast.newSimpleType(ast.newSimpleName(name + "Home")));
        methodConstructor.setReturnType2(returnType);
    } else {
        methodConstructor.setReturnType2(ast.newSimpleType(ast.newSimpleName("Class")));
    }
    methodConstructor.setName(ast.newSimpleName("getEntityInterfaceClass"));

    classType.bodyDeclarations().add(methodConstructor);

    Block constructorBlock = ast.newBlock();
    methodConstructor.setBody(constructorBlock);

    TypeLiteral typeLiteral = ast.newTypeLiteral();
    typeLiteral.setType(ast.newSimpleType(ast.newSimpleName(name)));

    ReturnStatement returnStatement = ast.newReturnStatement();
    returnStatement.setExpression(typeLiteral);
    constructorBlock.statements().add(returnStatement);

    // create() method
    methodConstructor = ast.newMethodDeclaration();
    methodConstructor.setConstructor(false);
    methodConstructor.modifiers().addAll(ast.newModifiers(Modifier.PUBLIC));
    methodConstructor.setReturnType2(ast.newSimpleType(ast.newSimpleName(name)));
    methodConstructor.setName(ast.newSimpleName("create"));
    methodConstructor.thrownExceptions().add(ast.newName("CreateException"));
    addHomeImplImport("javax.ejb.CreateException");
    classType.bodyDeclarations().add(methodConstructor);

    constructorBlock = ast.newBlock();
    methodConstructor.setBody(constructorBlock);

    SuperMethodInvocation superMethodInvocation = ast.newSuperMethodInvocation();
    superMethodInvocation.setName(ast.newSimpleName("createIDO"));

    CastExpression ce = ast.newCastExpression();
    ce.setType(ast.newSimpleType(ast.newSimpleName(name)));
    ce.setExpression(superMethodInvocation);

    returnStatement = ast.newReturnStatement();
    returnStatement.setExpression(ce);
    constructorBlock.statements().add(returnStatement);

    // findByPrimarKey(Object) method
    methodConstructor = ast.newMethodDeclaration();
    methodConstructor.setConstructor(false);
    methodConstructor.modifiers().addAll(ast.newModifiers(Modifier.PUBLIC));
    methodConstructor.setReturnType2(ast.newSimpleType(ast.newSimpleName(name)));
    methodConstructor.setName(ast.newSimpleName("findByPrimaryKey"));
    methodConstructor.thrownExceptions().add(ast.newName("FinderException"));
    addHomeImplImport("javax.ejb.FinderException");
    classType.bodyDeclarations().add(methodConstructor);

    SingleVariableDeclaration variableDeclaration = ast.newSingleVariableDeclaration();
    variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
    variableDeclaration.setType(ast.newSimpleType(ast.newSimpleName("Object")));
    variableDeclaration.setName(ast.newSimpleName("pk"));
    methodConstructor.parameters().add(variableDeclaration);

    constructorBlock = ast.newBlock();
    methodConstructor.setBody(constructorBlock);

    superMethodInvocation = ast.newSuperMethodInvocation();
    superMethodInvocation.setName(ast.newSimpleName("findByPrimaryKeyIDO"));
    superMethodInvocation.arguments().add(ast.newSimpleName("pk"));

    ce = ast.newCastExpression();
    ce.setType(ast.newSimpleType(ast.newSimpleName(name)));
    ce.setExpression(superMethodInvocation);

    returnStatement = ast.newReturnStatement();
    returnStatement.setExpression(ce);
    constructorBlock.statements().add(returnStatement);

    if (this.isLegacyEntity) {
        // createLegacy() method
        methodConstructor = ast.newMethodDeclaration();
        methodConstructor.setConstructor(false);
        methodConstructor.modifiers().addAll(ast.newModifiers(Modifier.PUBLIC));
        methodConstructor.setReturnType2(ast.newSimpleType(ast.newSimpleName(name)));
        methodConstructor.setName(ast.newSimpleName("createLegacy"));
        classType.bodyDeclarations().add(methodConstructor);

        constructorBlock = ast.newBlock();
        methodConstructor.setBody(constructorBlock);

        TryStatement tryStatement = ast.newTryStatement();
        constructorBlock.statements().add(tryStatement);
        Block tryBlock = ast.newBlock();
        tryStatement.setBody(tryBlock);

        MethodInvocation mi = ast.newMethodInvocation();
        mi.setName(ast.newSimpleName("create"));

        returnStatement = ast.newReturnStatement();
        returnStatement.setExpression(mi);
        tryBlock.statements().add(returnStatement);

        CatchClause catchClause = ast.newCatchClause();
        tryStatement.catchClauses().add(catchClause);
        variableDeclaration = ast.newSingleVariableDeclaration();
        variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
        variableDeclaration.setType(ast.newSimpleType(ast.newSimpleName(("CreateException"))));
        variableDeclaration.setName(ast.newSimpleName("ce"));
        catchClause.setException(variableDeclaration);
        Block catchBlock = ast.newBlock();
        catchClause.setBody(catchBlock);

        ClassInstanceCreation cc = ast.newClassInstanceCreation();
        cc.setType(ast.newSimpleType(ast.newSimpleName("RuntimeException")));
        mi = ast.newMethodInvocation();
        mi.setExpression(ast.newSimpleName("ce"));
        mi.setName(ast.newSimpleName("getMessage"));
        cc.arguments().add(mi);

        ThrowStatement throwStatement = ast.newThrowStatement();
        throwStatement.setExpression(cc);
        catchBlock.statements().add(throwStatement);

        // findByPrimarKey(int) method
        methodConstructor = ast.newMethodDeclaration();
        methodConstructor.setConstructor(false);
        methodConstructor.modifiers().addAll(ast.newModifiers(Modifier.PUBLIC));
        methodConstructor.setReturnType2(ast.newSimpleType(ast.newSimpleName(name)));
        methodConstructor.setName(ast.newSimpleName("findByPrimaryKey"));
        methodConstructor.thrownExceptions().add(ast.newName("FinderException"));
        classType.bodyDeclarations().add(methodConstructor);

        variableDeclaration = ast.newSingleVariableDeclaration();
        variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
        variableDeclaration.setType(ast.newPrimitiveType(PrimitiveType.INT));
        variableDeclaration.setName(ast.newSimpleName("id"));
        methodConstructor.parameters().add(variableDeclaration);

        constructorBlock = ast.newBlock();
        methodConstructor.setBody(constructorBlock);

        superMethodInvocation = ast.newSuperMethodInvocation();
        superMethodInvocation.setName(ast.newSimpleName("findByPrimaryKeyIDO"));
        superMethodInvocation.arguments().add(ast.newSimpleName("id"));

        ce = ast.newCastExpression();
        ce.setType(ast.newSimpleType(ast.newSimpleName(name)));
        ce.setExpression(superMethodInvocation);

        returnStatement = ast.newReturnStatement();
        returnStatement.setExpression(ce);
        constructorBlock.statements().add(returnStatement);

        // findByPrimarKeyLegacy(int) method
        methodConstructor = ast.newMethodDeclaration();
        methodConstructor.setConstructor(false);
        methodConstructor.modifiers().addAll(ast.newModifiers(Modifier.PUBLIC));
        methodConstructor.setReturnType2(ast.newSimpleType(ast.newSimpleName(name)));
        methodConstructor.setName(ast.newSimpleName("findByPrimaryKeyLegacy"));
        methodConstructor.thrownExceptions().add(ast.newName("SQLException"));
        addHomeImplImport("java.sql.SQLException");
        classType.bodyDeclarations().add(methodConstructor);

        variableDeclaration = ast.newSingleVariableDeclaration();
        variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
        variableDeclaration.setType(ast.newPrimitiveType(PrimitiveType.INT));
        variableDeclaration.setName(ast.newSimpleName("id"));
        methodConstructor.parameters().add(variableDeclaration);

        constructorBlock = ast.newBlock();
        methodConstructor.setBody(constructorBlock);

        tryStatement = ast.newTryStatement();
        constructorBlock.statements().add(tryStatement);
        tryBlock = ast.newBlock();
        tryStatement.setBody(tryBlock);

        mi = ast.newMethodInvocation();
        mi.setName(ast.newSimpleName("findByPrimaryKey"));
        mi.arguments().add(ast.newSimpleName("id"));

        returnStatement = ast.newReturnStatement();
        returnStatement.setExpression(mi);
        tryBlock.statements().add(returnStatement);

        catchClause = ast.newCatchClause();
        tryStatement.catchClauses().add(catchClause);
        variableDeclaration = ast.newSingleVariableDeclaration();
        variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
        variableDeclaration.setType(ast.newSimpleType(ast.newSimpleName(("FinderException"))));
        variableDeclaration.setName(ast.newSimpleName("fe"));
        catchClause.setException(variableDeclaration);
        catchBlock = ast.newBlock();
        catchClause.setBody(catchBlock);

        cc = ast.newClassInstanceCreation();
        cc.setType(ast.newSimpleType(ast.newSimpleName("SQLException")));
        mi = ast.newMethodInvocation();
        mi.setExpression(ast.newSimpleName("fe"));
        mi.setName(ast.newSimpleName("getMessage"));
        cc.arguments().add(mi);

        throwStatement = ast.newThrowStatement();
        throwStatement.setExpression(cc);
        catchBlock.statements().add(throwStatement);
    }

    MethodFilter[] validFilter = { new MethodFilter(WizardConstants.EJB_CREATE_START, MethodFilter.TYPE_PREFIX),
            new MethodFilter(WizardConstants.EJB_HOME_START, MethodFilter.TYPE_PREFIX),
            new MethodFilter(WizardConstants.EJB_FIND_START, MethodFilter.TYPE_PREFIX) };
    List methods = filterMethods(getType().getMethods(), validFilter, null);
    for (Iterator iter = methods.iterator(); iter.hasNext();) {
        IMethod method = (IMethod) iter.next();
        String fullMethodName = method.getElementName();
        String methodName = cutAwayEJBSuffix(fullMethodName);
        String[] parameterNames = method.getParameterNames();

        String returnType = method.getReturnType();
        if (fullMethodName.startsWith(WizardConstants.EJB_FIND_START)
                || fullMethodName.startsWith(WizardConstants.EJB_CREATE_START)) {
            if (!(Signature.getSimpleName(Signature.toString(method.getReturnType()))
                    .indexOf(Signature.getSimpleName("java.util.Collection")) != -1)
                    && !(Signature.getSimpleName(Signature.toString(method.getReturnType()))
                            .indexOf(Signature.getSimpleName("java.util.Set")) != -1)) {
                returnType = name;
            }
        }
        if (!returnType.equals(name)) {
            returnType = getReturnType(returnType);
        }

        methodConstructor = getMethodDeclaration(ast, method, methodName, returnType, getHomeImplImports(),
                false);
        classType.bodyDeclarations().add(methodConstructor);

        constructorBlock = ast.newBlock();
        methodConstructor.setBody(constructorBlock);

        constructorBlock.statements().add(getIDOCheckOutStatement(ast, getHomeImplImports()));

        if (fullMethodName.startsWith(WizardConstants.EJB_FIND_START)) {
            if (Signature.getSimpleName(Signature.toString(method.getReturnType()))
                    .indexOf(Signature.getSimpleName("java.util.Collection")) != -1) {
                constructorBlock.statements().add(
                        getDataCollectingStatement(ast, returnType, "ids", fullMethodName, parameterNames));
                constructorBlock.statements().add(getIDOCheckInStatement(ast));
                constructorBlock.statements()
                        .add(getObjectReturnStatement(ast, "getEntityCollectionForPrimaryKeys", "ids"));
            } else if (Signature.getSimpleName(Signature.toString(method.getReturnType()))
                    .indexOf(Signature.getSimpleName("java.util.Set")) != -1) {
                constructorBlock.statements().add(
                        getDataCollectingStatement(ast, returnType, "ids", fullMethodName, parameterNames));
                constructorBlock.statements().add(getIDOCheckInStatement(ast));
                constructorBlock.statements()
                        .add(getObjectReturnStatement(ast, "getEntitySetForPrimaryKeys", "ids"));
            } else {
                constructorBlock.statements()
                        .add(getDataCollectingStatement(ast, "Object", "pk", fullMethodName, parameterNames));
                constructorBlock.statements().add(getIDOCheckInStatement(ast));
                constructorBlock.statements().add(getObjectReturnStatement(ast, "findByPrimaryKey", "pk"));
            }
        } else if (fullMethodName.startsWith(WizardConstants.EJB_HOME_START)) {
            constructorBlock.statements().add(
                    getDataCollectingStatement(ast, returnType, "theReturn", fullMethodName, parameterNames));
            constructorBlock.statements().add(getIDOCheckInStatement(ast));
            constructorBlock.statements().add(getPrimitiveReturnStatement(ast, "theReturn"));
        } else if (fullMethodName.startsWith(WizardConstants.EJB_CREATE_START)) {
            constructorBlock.statements()
                    .add(getDataCollectingStatement(ast, "Object", "pk", fullMethodName, parameterNames));

            ce = ast.newCastExpression();
            ce.setType(ast.newSimpleType(ast.newSimpleName(getType().getTypeQualifiedName())));
            ce.setExpression(ast.newSimpleName("entity"));

            ParenthesizedExpression pe = ast.newParenthesizedExpression();
            pe.setExpression(ce);
            MethodInvocation mi = ast.newMethodInvocation();
            mi.setExpression(pe);
            mi.setName(ast.newSimpleName("ejbPostCreate"));
            constructorBlock.statements().add(ast.newExpressionStatement(mi));

            constructorBlock.statements().add(getIDOCheckInStatement(ast));

            TryStatement tryStatement = ast.newTryStatement();
            constructorBlock.statements().add(tryStatement);
            Block tryBlock = ast.newBlock();
            tryStatement.setBody(tryBlock);

            mi = ast.newMethodInvocation();
            mi.setName(ast.newSimpleName("findByPrimaryKey"));
            mi.arguments().add(ast.newSimpleName("pk"));

            returnStatement = ast.newReturnStatement();
            returnStatement.setExpression(mi);
            tryBlock.statements().add(returnStatement);

            CatchClause catchClause = ast.newCatchClause();
            tryStatement.catchClauses().add(catchClause);
            variableDeclaration = ast.newSingleVariableDeclaration();
            variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
            variableDeclaration.setType(ast.newSimpleType(ast.newSimpleName(("FinderException"))));
            variableDeclaration.setName(ast.newSimpleName("fe"));
            catchClause.setException(variableDeclaration);
            Block catchBlock = ast.newBlock();
            catchClause.setBody(catchBlock);

            ClassInstanceCreation cc = ast.newClassInstanceCreation();
            cc.setType(ast.newSimpleType(ast.newSimpleName("IDOCreateException")));
            addHomeImplImport("com.idega.data.IDOCreateException");
            cc.arguments().add(ast.newSimpleName(("fe")));

            ThrowStatement throwStatement = ast.newThrowStatement();
            throwStatement.setExpression(cc);
            catchBlock.statements().add(throwStatement);

            catchClause = ast.newCatchClause();
            tryStatement.catchClauses().add(catchClause);
            variableDeclaration = ast.newSingleVariableDeclaration();
            variableDeclaration.modifiers().addAll(ast.newModifiers(Modifier.NONE));
            variableDeclaration.setType(ast.newSimpleType(ast.newSimpleName(("Exception"))));
            variableDeclaration.setName(ast.newSimpleName("e"));
            catchClause.setException(variableDeclaration);
            catchBlock = ast.newBlock();
            catchClause.setBody(catchBlock);

            cc = ast.newClassInstanceCreation();
            cc.setType(ast.newSimpleType(ast.newSimpleName("IDOCreateException")));
            cc.arguments().add(ast.newSimpleName(("e")));

            throwStatement = ast.newThrowStatement();
            throwStatement.setExpression(cc);
            catchBlock.statements().add(throwStatement);
        }
    }

    writeImports(ast, unit, getHomeImplImports());
    commitChanges(iUnit, unit, document);
}

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From source file:de.ovgu.cide.export.physical.ahead.ReturnExtractionHelper.java

License:Open Source License

private void replaceReturnByException(ReturnStatement returnStatement) {
    AST ast = returnStatement.getAST();
    Set<IFeature> returnColors = colorManager.getOwnColors(returnStatement);

    Expression expr = returnStatement.getExpression();
    returnStatement.setExpression(null);

    ThrowStatement throwStatement = ast.newThrowStatement();
    ClassInstanceCreation newInstance = ast.newClassInstanceCreation();
    newInstance.setType(createExceptionType(RefactoringUtils.getMethodDeclaration(returnStatement)));
    if (expr != null)
        newInstance.arguments().add(expr);

    throwStatement.setExpression(newInstance);

    colorManager.setColors(throwStatement, returnColors);

    RefactoringUtils.replaceASTNode(returnStatement, throwStatement);
}

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From source file:de.ovgu.cide.export.physical.ahead.ReturnExtractionHelper.java

License:Open Source License

/**
 * create a method call in the following form "throw ReturnHack.returnInt;"
 * and add it to the body as the last statement
 * /*from  w w w .j a v  a 2  s  . c  om*/
 * 
 * @param method
 * @param oldBody
 */
private void addDummyReturnStatementHack(MethodDeclaration method, Block body) {
    AST ast = method.getAST();
    ThrowStatement throwStmt = ast.newThrowStatement();
    FieldAccess fa = ast.newFieldAccess();
    fa.setExpression(ast.newSimpleName("ReturnHack"));
    fa.setName(ast.newSimpleName("return" + getReturnTypeStr(method)));
    throwStmt.setExpression(fa);

    body.statements().add(throwStmt);
}

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From source file:org.jboss.forge.roaster.model.impl.statements.ThrowStatementImpl.java

License:Open Source License

@Override
public org.eclipse.jdt.core.dom.ThrowStatement materialize(AST ast) {
    if (throwStatement != null) {
        return throwStatement;
    }//from   ww  w . j  av a 2  s  .  c  o m
    throwStatement = ast.newThrowStatement();
    if (expression != null) {
        throwStatement.setExpression(wireAndGetExpression(expression, this, getAst()));
    }
    return throwStatement;
}

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