Examples with BRefValueArray org.ballerinalang.model.values.BRefValueArray used on opensource projects

Example 41 with BRefValueArray

use of org.ballerinalang.model.values.BRefValueArray in project ballerina by ballerina-lang.

the class GetCallStack method execute.

@Override
public void execute(Context context) {
    final BRefValueArray bRefValueArray = BLangVMErrors.generateCallStack(context.getParentWorkerExecutionContext(), context.getCallableUnitInfo());
    context.setReturnValues(bRefValueArray);
}

Example 42 with BRefValueArray

use of org.ballerinalang.model.values.BRefValueArray in project ballerina by ballerina-lang.

the class Sprintf method execute.

@Override
public final void execute(final Context context) {
    String format = context.getStringArgument(0);
    BRefValueArray args = (BRefValueArray) context.getRefArgument(0);
    StringBuilder result = new StringBuilder();
    // k records number of format specifiers seen so far, used to read respective array element
    for (int i = 0, j = 0, k = 0; i < format.length(); i++) {
        if (format.charAt(i) == '%' && ((i + 1) < format.length())) {
            // skip % character
            j = i + 1;
            if (k >= args.size()) {
                // there's not enough arguments
                throw BLangExceptionHelper.getRuntimeException(RuntimeErrors.NOT_ENOUGH_FORMAT_ARGUMENTS);
            }
            StringBuilder padding = new StringBuilder();
            while (Character.isDigit(format.charAt(j)) || format.charAt(j) == '.') {
                padding.append(format.charAt(j));
                j += 1;
            }
            switch(format.charAt(j)) {
                case 'b':
                    result.append(String.format("%" + padding + "b", args.get(k).value()));
                    break;
                case 'd':
                    result.append(String.format("%" + padding + "d", args.get(k).value()));
                    break;
                case 'f':
                    result.append(String.format("%" + padding + "f", args.get(k).value()));
                    break;
                case 'x':
                    result.append(String.format("%" + padding + "x", args.get(k).value()));
                    break;
                case 'X':
                    result.append(String.format("%" + padding + "X", args.get(k).value()));
                    break;
                case 'o':
                    result.append(String.format("%" + padding + "o", args.get(k).value()));
                    break;
                case 'B':
                    result.append(Integer.toBinaryString(Integer.parseInt(args.get(k).stringValue())));
                    break;
                // fall through
                case 'p':
                case 'l':
                case 'L':
                case 'j':
                case 't':
                case 'r':
                case 'a':
                case 's':
                    result.append(String.format("%" + padding + "s", args.get(k).stringValue()));
                    break;
                case '%':
                    result.append("%");
                    break;
                default:
                    // format string not supported
                    throw BLangExceptionHelper.getRuntimeException(RuntimeErrors.INVALID_FORMAT_SPECIFIER, format.charAt(j));
            }
            if (format.charAt(j) == '%') {
                // special case %%, don't count as a format specifier
                i++;
            } else {
                k++;
                i = j;
            }
            continue;
        }
        // no match, copy and continue
        result.append(format.charAt(i));
    }
    context.setReturnValues(new BString(result.toString()));
}

Example 43 with BRefValueArray

use of org.ballerinalang.model.values.BRefValueArray in project ballerina by ballerina-lang.

the class MultipartDataSource method serializeBodyPart.

/**
 * Serialize body parts including nested parts within them.
 *
 * @param outputStream         Represent the outputstream that the body parts will be written to
 * @param parentBoundaryString Represent the parent boundary string
 * @param parentBodyPart       Represent parent body part
 */
private void serializeBodyPart(OutputStream outputStream, String parentBoundaryString, BStruct parentBodyPart) {
    final Writer writer = new BufferedWriter(new OutputStreamWriter(outputStream, Charset.defaultCharset()));
    BRefValueArray childParts = parentBodyPart.getNativeData(BODY_PARTS) != null ? (BRefValueArray) parentBodyPart.getNativeData(BODY_PARTS) : null;
    try {
        if (childParts == null) {
            return;
        }
        boolean isFirst = true;
        for (int i = 0; i < childParts.size(); i++) {
            BStruct childPart = (BStruct) childParts.get(i);
            // Write leading boundary string
            if (isFirst) {
                isFirst = false;
                writer.write(DASH_BOUNDARY);
            } else {
                writer.write(CRLF_POST_DASH);
            }
            writer.write(parentBoundaryString);
            writer.write(CRLF);
            checkForNestedParts(writer, childPart);
            writeBodyContent(outputStream, childPart);
        }
        writeFinalBoundaryString(writer, parentBoundaryString);
    } catch (IOException e) {
        log.error("Error occurred while writing body parts to outputstream", e.getMessage());
    }
}

Example 44 with BRefValueArray

use of org.ballerinalang.model.values.BRefValueArray in project ballerina by ballerina-lang.

the class CircuitBreakerTest method testTrialRunFailure.

/**
 * Test case scenario:
 * - Initially the circuit is healthy and functioning normally.
 * - Backend service becomes unavailable and eventually, the failure threshold is exceeded.
 * - Requests afterwards are immediately failed, with a 503 response.
 * - After the reset timeout expires, the circuit goes to HALF_OPEN state and a trial request is sent.
 * - The backend service is not available and therefore, the request fails again and the circuit goes back to OPEN.
 */
@Test
public void testTrialRunFailure() {
    // Expected HTTP status codes from circuit breaker responses.
    int[] expectedStatusCodes = new int[] { 200, 502, 503, 502, 503, 502 };
    BValue[] returnVals = BRunUtil.invoke(compileResult, "testTrialRunFailure");
    Assert.assertEquals(returnVals.length, 2);
    BRefValueArray responses = (BRefValueArray) returnVals[0];
    BRefValueArray errs = (BRefValueArray) returnVals[1];
    for (int i = 0; i < responses.size(); i++) {
        long statusCode;
        // indexes are consisted with the HttpClientError Responses.
        if (i < CB_CLIENT_TOP_MOST_SUCCESS_INDEX || i == CB_CLIENT_FAILURE_CASE_ERROR_INDEX) {
            BStruct res = (BStruct) responses.get(i);
            statusCode = res.getIntField(0);
            Assert.assertEquals(statusCode, expectedStatusCodes[i], "Status code does not match.");
        } else {
            // the request which resulted in an error
            Assert.assertNotNull(errs.get(i));
            BStruct err = (BStruct) errs.get(i);
            statusCode = err.getIntField(0);
            // error for requests which were failed immediately.
            if (statusCode == 0) {
                String msg = err.getStringField(0);
                Assert.assertTrue(msg != null && msg.startsWith(CB_ERROR_MSG), "Invalid error message from circuit breaker.");
            } else {
                Assert.assertEquals(statusCode, 503);
            }
        }
    }
}

Example 45 with BRefValueArray

use of org.ballerinalang.model.values.BRefValueArray in project ballerina by ballerina-lang.

the class CircuitBreakerTest method testHttpStatusCodeFailure.

/**
 * Test case scenario:
 * - Initially the circuit is healthy and functioning normally.
 * - Backend service respond with HTTP status code configured to consider as failures responses.
 * eventually the failure threshold is exceeded.
 * - Requests afterwards are immediately failed, with a 503 response.
 * - After the reset timeout expires, the circuit goes to HALF_OPEN state and a trial request is sent.
 * - The backend service is not available and therefore, the request fails again and the circuit goes back to OPEN.
 */
@Test(description = "Test case for Circuit Breaker HTTP status codes.")
public void testHttpStatusCodeFailure() {
    // Expected HTTP status codes from circuit breaker responses.
    int[] expectedStatusCodes = new int[] { 200, 500, 503, 500, 503, 503 };
    BValue[] returnVals = BRunUtil.invoke(compileResult, "testHttpStatusCodeFailure");
    Assert.assertEquals(returnVals.length, 2);
    BRefValueArray responses = (BRefValueArray) returnVals[0];
    BRefValueArray errs = (BRefValueArray) returnVals[1];
    for (int i = 0; i < responses.size(); i++) {
        long statusCode;
        // indexes are consisted with the HttpClientError Responses.
        if (i < CB_CLIENT_TOP_MOST_SUCCESS_INDEX) {
            BStruct res = (BStruct) responses.get(i);
            statusCode = res.getIntField(0);
            Assert.assertEquals(statusCode, expectedStatusCodes[i], "Status code does not match.");
        } else {
            // the request which resulted in an error
            Assert.assertNotNull(errs.get(i));
            BStruct err = (BStruct) errs.get(i);
            statusCode = err.getIntField(0);
            // error for requests which were failed immediately.
            if (statusCode == 0) {
                String msg = err.getStringField(0);
                Assert.assertTrue(msg != null && msg.startsWith(CB_ERROR_MSG), "Invalid error message from circuit breaker.");
            } else {
                Assert.assertEquals(statusCode, 500, "Incorrect status code.");
            }
        }
    }
}