private static BuilderSpec create()

in mixins/om-mixins/src/main/java/org/apache/axiom/om/impl/common/factory/meta/BuilderSpec.java [65:131]
67 lines of code
11 McCabe index (conditional complexity)

    private static BuilderSpec create(
            StAXParserConfiguration configuration, InputSource is, boolean makeDetachable) {
        XMLStreamReader reader;
        Detachable detachable;
        Closeable closeable;
        try {
            if (is.getByteStream() != null) {
                String systemId = is.getSystemId();
                String encoding = is.getEncoding();
                InputStream in = is.getByteStream();
                if (makeDetachable) {
                    DetachableInputStream detachableInputStream =
                            new DetachableInputStream(in, false);
                    in = detachableInputStream;
                    detachable = detachableInputStream;
                } else {
                    detachable = null;
                }
                if (systemId != null) {
                    if (encoding == null) {
                        reader = StAXUtils.createXMLStreamReader(configuration, systemId, in);
                    } else {
                        throw new UnsupportedOperationException();
                    }
                } else {
                    if (encoding == null) {
                        reader = StAXUtils.createXMLStreamReader(configuration, in);
                    } else {
                        reader = StAXUtils.createXMLStreamReader(configuration, in, encoding);
                    }
                }
                closeable = null;
            } else if (is.getCharacterStream() != null) {
                Reader in = is.getCharacterStream();
                if (makeDetachable) {
                    DetachableReader detachableReader = new DetachableReader(in);
                    in = detachableReader;
                    detachable = detachableReader;
                } else {
                    detachable = null;
                }
                reader = StAXUtils.createXMLStreamReader(configuration, in);
                closeable = null;
            } else {
                String systemId = is.getSystemId();
                InputStream in = new URL(systemId).openConnection().getInputStream();
                if (makeDetachable) {
                    DetachableInputStream detachableInputStream =
                            new DetachableInputStream(in, true);
                    in = detachableInputStream;
                    detachable = detachableInputStream;
                } else {
                    detachable = null;
                }
                reader = StAXUtils.createXMLStreamReader(configuration, systemId, in);
                closeable = in;
            }
        } catch (XMLStreamException ex) {
            throw new OMException(ex);
        } catch (IOException ex) {
            throw new OMException(ex);
        }
        return new BuilderSpec(
                new StAXPullInput(
                        reader, AxiomXMLStreamReaderHelperFactory.INSTANCE, true, closeable),
                detachable);
    }