private void includeStarted()

in src/java/org/apache/ivy/plugins/parser/xml/XmlModuleDescriptorUpdater.java [657:739]
77 lines of code
17 McCabe index (conditional complexity)

        private void includeStarted(Attributes attributes) throws SAXException {
            final ExtendedBuffer buffer = new ExtendedBuffer(getContext());
            buffers.push(buffer);
            try {
                URL url;
                if (settings == null) {
                    // TODO : settings can be null, but I don't why.
                    // Check if the following code is correct in that case
                    String fileName = attributes.getValue("file");
                    if (fileName == null) {
                        String urlStr = attributes.getValue("url");
                        url = new URL(urlStr);
                    } else {
                        url = Checks.checkAbsolute(fileName, "settings.include").toURI().toURL();
                    }
                } else {
                    url = settings.getRelativeUrlResolver().getURL(relativePathCtx,
                        settings.substitute(attributes.getValue("file")),
                        settings.substitute(attributes.getValue("url")));
                }
                XMLHelper.parse(url, null, new DefaultHandler() {
                    private boolean insideConfigurations = false;

                    private boolean doIndent = false;

                    public void startElement(String uri, String localName, String qName,
                            Attributes attributes) throws SAXException {
                        if ("configurations".equals(qName)) {
                            insideConfigurations = true;
                            String defaultconf = substitute(settings,
                                attributes.getValue("defaultconf"));
                            if (defaultconf != null) {
                                defaultConf = defaultconf;
                            }
                            String defaultMapping = substitute(settings,
                                attributes.getValue("defaultconfmapping"));
                            if (defaultMapping != null) {
                                defaultConfMapping = defaultMapping;
                            }
                            String mappingOverride = substitute(settings,
                                attributes.getValue("confmappingoverride"));
                            if (mappingOverride != null) {
                                confMappingOverride = Boolean.valueOf(mappingOverride);
                            }
                        } else if ("conf".equals(qName) && insideConfigurations) {
                            String confName = substitute(settings, attributes.getValue("name"));
                            if (!confs.contains(confName)) {
                                buffer.setPrint(true);
                                if (doIndent) {
                                    write("/>\n\t\t");
                                }
                                String extend = substitute(settings, attributes.getValue("extends"));
                                if (extend != null) {
                                    for (String tok : splitToArray(extend)) {
                                        if (confs.contains(tok)) {
                                            throw new IllegalArgumentException(
                                                    "Cannot exclude a configuration which is extended.");
                                        }
                                    }
                                }

                                write("<" + qName);
                                for (int i = 0; i < attributes.getLength(); i++) {
                                    write(" " + attributes.getQName(i) + "=\""
                                            + substitute(settings, attributes.getValue(i)) + "\"");
                                }
                                doIndent = true;
                            }
                        }
                    }

                    public void endElement(String uri, String localName, String name)
                            throws SAXException {
                        if ("configurations".equals(name)) {
                            insideConfigurations = false;
                        }
                    }
                });
            } catch (Exception e) {
                Message.warn("exception occurred while importing configurations: " + e.getMessage());
                throw new SAXException(e);
            }
        }