Examples with CosServiceExceptionBuilder com.qcloud.cos.exception.CosServiceExceptionBuilder used on opensource projects

Example 1 with CosServiceExceptionBuilder

use of com.qcloud.cos.exception.CosServiceExceptionBuilder in project cos-java-sdk-v5 by tencentyun.

the class CosErrorResponseHandler method handle.

@Override
public CosServiceException handle(CosHttpResponse httpResponse) throws XMLStreamException {
    final InputStream is = httpResponse.getContent();
    String xmlContent = null;
    /*
         * We don't always get an error response body back from COS. When we send a HEAD request, we
         * don't receive a body, so we'll have to just return what we can.
         */
    if (is == null || httpResponse.getRequest().getHttpMethod() == HttpMethodName.HEAD) {
        return createExceptionFromHeaders(httpResponse, null);
    }
    String content = null;
    try {
        content = IOUtils.toString(is);
    } catch (IOException ioe) {
        log.debug("Failed in parsing the error response : ", ioe);
        return createExceptionFromHeaders(httpResponse, null);
    }
    XMLStreamReader reader;
    synchronized (xmlInputFactory) {
        reader = xmlInputFactory.createXMLStreamReader(new ByteArrayInputStream(content.getBytes(UTF8)));
    }
    try {
        /*
             * target depth is to determine if the XML Error response from the server has any
             * element inside <Error> tag have child tags. Parsing such tags is not supported now.
             * target depth is incremented for every start tag and decremented after every end tag
             * is encountered.
             */
        int targetDepth = 0;
        final CosServiceExceptionBuilder exceptionBuilder = new CosServiceExceptionBuilder();
        exceptionBuilder.setErrorResponseXml(content);
        exceptionBuilder.setStatusCode(httpResponse.getStatusCode());
        boolean hasErrorTagVisited = false;
        while (reader.hasNext()) {
            int event = reader.next();
            switch(event) {
                case XMLStreamConstants.START_ELEMENT:
                    targetDepth++;
                    String tagName = reader.getLocalName();
                    if (targetDepth == 1 && !COSErrorTags.Error.toString().equals(tagName))
                        return createExceptionFromHeaders(httpResponse, "Unable to parse error response. Error XML Not in proper format." + content);
                    if (COSErrorTags.Error.toString().equals(tagName)) {
                        hasErrorTagVisited = true;
                    }
                    continue;
                case XMLStreamConstants.CHARACTERS:
                    xmlContent = reader.getText();
                    if (xmlContent != null)
                        xmlContent = xmlContent.trim();
                    continue;
                case XMLStreamConstants.END_ELEMENT:
                    tagName = reader.getLocalName();
                    targetDepth--;
                    if (!(hasErrorTagVisited) || targetDepth > 1) {
                        return createExceptionFromHeaders(httpResponse, "Unable to parse error response. Error XML Not in proper format." + content);
                    }
                    if (COSErrorTags.Message.toString().equals(tagName)) {
                        exceptionBuilder.setErrorMessage(xmlContent);
                    } else if (COSErrorTags.Code.toString().equals(tagName)) {
                        exceptionBuilder.setErrorCode(xmlContent);
                    } else if (COSErrorTags.RequestId.toString().equals(tagName)) {
                        exceptionBuilder.setRequestId(xmlContent);
                    } else if (COSErrorTags.TraceId.toString().equals(tagName)) {
                        exceptionBuilder.setTraceId(xmlContent);
                    } else {
                        exceptionBuilder.addAdditionalDetail(tagName, xmlContent);
                    }
                    continue;
                case XMLStreamConstants.END_DOCUMENT:
                    return exceptionBuilder.build();
            }
        }
    } catch (Exception e) {
        log.debug("Failed in parsing the error response : " + content, e);
    }
    return createExceptionFromHeaders(httpResponse, content);
}

Example 2 with CosServiceExceptionBuilder

use of com.qcloud.cos.exception.CosServiceExceptionBuilder in project cos-java-sdk-v5 by tencentyun.

the class CosErrorResponseHandler method createExceptionFromHeaders.

private CosServiceException createExceptionFromHeaders(CosHttpResponse errorResponse, String errorResponseXml) {
    final Map<String, String> headers = errorResponse.getHeaders();
    final int statusCode = errorResponse.getStatusCode();
    final CosServiceExceptionBuilder exceptionBuilder = new CosServiceExceptionBuilder();
    exceptionBuilder.setErrorMessage(errorResponse.getStatusText());
    exceptionBuilder.setErrorResponseXml(errorResponseXml);
    exceptionBuilder.setStatusCode(statusCode);
    exceptionBuilder.setTraceId(headers.get(Headers.TRACE_ID));
    exceptionBuilder.setRequestId(headers.get(Headers.REQUEST_ID));
    exceptionBuilder.setErrorCode(statusCode + " " + errorResponse.getStatusText());
    return exceptionBuilder.build();
}