Examples with IfStatement com.google.api.generator.engine.ast.IfStatement used on opensource projects

Example 11 with IfStatement

use of com.google.api.generator.engine.ast.IfStatement in project gapic-generator-java by googleapis.

the class JavaCodeGeneratorTest method createUpdateShelfMap.

private MethodDefinition createUpdateShelfMap() {
    ConcreteReference nonexistentShelfExceptionRef = ConcreteReference.builder().setClazz(Exception.class).build();
    Variable shelfVar = createVarFromVaporRef(shelfClassRef, "newShelf");
    VariableExpr shelfNameFromNewShelfObject = fieldFromShelfObjectExpr(shelfVar, createVarFromType(TypeNode.STRING, "shelfName"));
    MethodInvocationExpr mapContainsKeyExpr = methodExprWithRefArgAndReturn(shelfMapVar, Arrays.asList(shelfNameFromNewShelfObject));
    MethodInvocationExpr putShelfToMapExpr = methodExprWithRefAndArg(shelfMapVar, "put", Arrays.asList(shelfNameFromNewShelfObject, VariableExpr.withVariable(shelfVar)));
    ThrowExpr throwExpr = ThrowExpr.builder().setMessageExpr("Updating shelf is not existing in the map").setType(TypeNode.withReference(nonexistentShelfExceptionRef)).build();
    IfStatement updateShelfMapIfElseBlock = IfStatement.builder().setConditionExpr(mapContainsKeyExpr).setBody(Arrays.asList(ExprStatement.withExpr(putShelfToMapExpr))).setElseBody(Arrays.asList(ExprStatement.withExpr(throwExpr))).build();
    return MethodDefinition.builder().setName("updateShelfMap").setThrowsExceptions(Arrays.asList(TypeNode.withReference(nonexistentShelfExceptionRef))).setReturnType(TypeNode.VOID).setScope(ScopeNode.PUBLIC).setBody(Arrays.asList(updateShelfMapIfElseBlock)).setArguments(Arrays.asList(VariableExpr.builder().setVariable(shelfVar).setIsDecl(true).build())).build();
}

Example 12 with IfStatement

use of com.google.api.generator.engine.ast.IfStatement in project gapic-generator-java by googleapis.

the class JavaCodeGeneratorTest method createAddShelfMethod.

private MethodDefinition createAddShelfMethod() {
    Variable nameVar = createVarFromType(TypeNode.STRING, "name");
    Variable seriesDoubleNumVar = createVarFromType(TypeNode.DOUBLE, "seriesDoubleNum");
    CastExpr seriesNumDoubleToIntExpr = CastExpr.builder().setExpr(VariableExpr.withVariable(seriesDoubleNumVar)).setType(TypeNode.INT).build();
    AssignmentExpr castSeriesNumExpr = createAssignmentExpr(createVarDeclExpr(seriesNumVar), seriesNumDoubleToIntExpr);
    ReturnExpr maxValueReturnExpr = createReturnExpr("Series number equals to max int value.");
    ReturnExpr duplicateKeyReturnExpr = createReturnExpr("Shelf is already existing in the map.");
    // TODO: update the condition from `condition` to `seriesNum == MAX_VALUE`
    IfStatement maxValueCheck = IfStatement.builder().setConditionExpr(VariableExpr.withVariable(createVarFromType(TypeNode.BOOLEAN, "condition"))).setBody(Arrays.asList(ExprStatement.withExpr(maxValueReturnExpr))).build();
    NewObjectExpr newShelfExpr = createNewObjectExprWithArg(nameVar);
    MethodInvocationExpr addShelfToListExpr = methodExprWithRefAndArg(shelfListVar, "add", Arrays.asList(newShelfExpr));
    MethodInvocationExpr putShelfToMapExpr = methodExprWithRefAndArg(shelfMapVar, "put", Arrays.asList(VariableExpr.withVariable(nameVar), newShelfExpr));
    MethodInvocationExpr mapContainsKey = methodExprWithRefArgAndReturn(shelfMapVar, Arrays.asList(VariableExpr.withVariable(nameVar)));
    IfStatement mapContainsKeyCheck = IfStatement.builder().setConditionExpr(mapContainsKey).setBody(Arrays.asList(ExprStatement.withExpr(duplicateKeyReturnExpr))).build();
    return MethodDefinition.builder().setAnnotations(Arrays.asList(AnnotationNode.OVERRIDE)).setName("addShelf").setReturnType(TypeNode.STRING).setReturnExpr(ValueExpr.withValue(StringObjectValue.withValue("Shelf added."))).setScope(ScopeNode.PUBLIC).setBody(Arrays.asList(ExprStatement.withExpr(castSeriesNumExpr), maxValueCheck, ExprStatement.withExpr(addShelfToListExpr), mapContainsKeyCheck, ExprStatement.withExpr(putShelfToMapExpr))).setArguments(Arrays.asList(createVarDeclExpr(nameVar), createVarDeclExpr(seriesDoubleNumVar))).build();
}

Example 13 with IfStatement

use of com.google.api.generator.engine.ast.IfStatement in project gapic-generator-java by googleapis.

the class JavaWriterVisitorTest method writeIfStatement_elseIfs.

@Test
public void writeIfStatement_elseIfs() {
    List<Statement> ifBody = Arrays.asList(ExprStatement.withExpr(createAssignmentExpr("x", "3", TypeNode.INT)), ExprStatement.withExpr(createAssignmentExpr("fooBar", "true", TypeNode.BOOLEAN)));
    VariableExpr condExprOne = createVariableExpr("condition", TypeNode.BOOLEAN);
    VariableExpr condExprTwo = createVariableExpr("fooBarCheck", TypeNode.BOOLEAN);
    VariableExpr condExprThree = createVariableExpr("anotherCondition", TypeNode.BOOLEAN);
    VariableExpr condExprFour = createVariableExpr("lookAtMe", TypeNode.BOOLEAN);
    IfStatement ifStatement = IfStatement.builder().setConditionExpr(condExprOne).setBody(ifBody).addElseIf(condExprTwo, ifBody).addElseIf(condExprThree, ifBody).addElseIf(condExprFour, ifBody).build();
    ifStatement.accept(writerVisitor);
    String expected = LineFormatter.lines("if (condition) {\n", "int x = 3;\n", "boolean fooBar = true;\n", "} else if (fooBarCheck) {\n", "int x = 3;\n", "boolean fooBar = true;\n", "} else if (anotherCondition) {\n", "int x = 3;\n", "boolean fooBar = true;\n", "} else if (lookAtMe) {\n", "int x = 3;\n", "boolean fooBar = true;\n", "}\n");
    assertEquals(expected, writerVisitor.write());
}

Example 14 with IfStatement

use of com.google.api.generator.engine.ast.IfStatement in project gapic-generator-java by googleapis.

the class JavaWriterVisitorTest method writeIfStatement_simple.

@Test
public void writeIfStatement_simple() {
    AssignmentExpr assignExpr = createAssignmentExpr("x", "3", TypeNode.INT);
    Statement assignExprStatement = ExprStatement.withExpr(assignExpr);
    List<Statement> ifBody = Arrays.asList(assignExprStatement, assignExprStatement);
    VariableExpr condExpr = createVariableExpr("condition", TypeNode.BOOLEAN);
    IfStatement ifStatement = IfStatement.builder().setConditionExpr(condExpr).setBody(ifBody).build();
    ifStatement.accept(writerVisitor);
    assertEquals(LineFormatter.lines("if (condition) {\n", "int x = 3;\n", "int x = 3;\n", "}\n"), writerVisitor.write());
}