public int read()

in axiom-api/src/main/java/org/apache/axiom/util/stax/TextFromElementReader.java [75:124]
50 lines of code
15 McCabe index (conditional complexity)

    public int read(char[] cbuf, int off, int len) throws IOException {
        if (endOfStream) {
            return -1;
        }
        int read = 0;
        try {
            while (true) {
                if (sourceStart == -1) {
                    eventLoop: while (true) {
                        int type = stream.next();
                        switch (type) {
                            case XMLStreamReader.CHARACTERS:
                            case XMLStreamReader.CDATA:
                                if (skipDepth == 0) {
                                    sourceStart = 0;
                                    break eventLoop;
                                }
                                break;
                            case XMLStreamReader.START_ELEMENT:
                                if (allowNonTextChildren) {
                                    skipDepth++;
                                } else {
                                    throw new IOException("Unexpected START_ELEMENT event");
                                }
                                break;
                            case XMLStreamReader.END_ELEMENT:
                                if (skipDepth == 0) {
                                    endOfStream = true;
                                    return read == 0 ? -1 : read;
                                } else {
                                    skipDepth--;
                                }
                        }
                    }
                }
                int c = stream.getTextCharacters(sourceStart, cbuf, off, len);
                sourceStart += c;
                off += c;
                len -= c;
                read += c;
                if (len > 0) {
                    sourceStart = -1;
                } else {
                    return read;
                }
            }
        } catch (XMLStreamException ex) {
            throw new XMLStreamIOException(ex);
        }
    }