private void includeStarted()

in src/java/org/apache/ivy/core/settings/XmlSettingsParser.java [374:448]
72 lines of code
14 McCabe index (conditional complexity)

    private void includeStarted(Map<String, String> attributes) throws IOException, ParseException {
        final IvyVariableContainer variables = ivy.getVariableContainer();
        ivy.setVariableContainer(new IvyVariableContainerWrapper(variables));
        final boolean optionalInclude = "true".equals(attributes.get("optional"));
        try {
            String propFilePath = attributes.get("file");
            URL settingsURL = null;
            if (propFilePath == null) {
                propFilePath = attributes.get("url");
                if (propFilePath == null) {
                    throw new IllegalArgumentException(
                            "bad include tag: specify file or url to include");
                } else {
                    try {
                        try {
                            // First assume that it is an absolute URL
                            settingsURL = new URL(propFilePath);
                        } catch (MalformedURLException e) {
                            // If that fail, it may be because it is a relative one.
                            settingsURL = new URL(this.settings, propFilePath);
                        }
                    } catch (IOException ioe) {
                        if (!optionalInclude) {
                            throw ioe;
                        }
                        Message.verbose("Skipping inclusion of optional URL " + propFilePath
                                + " due to IOException - " + ioe.getMessage());
                        return;
                    }
                    Message.verbose("including url: " + settingsURL.toString());
                    ivy.setSettingsVariables(settingsURL);
                }
            } else {
                try {
                    settingsURL = urlFromFileAttribute(propFilePath);
                    Message.verbose("including file: " + settingsURL);
                    if ("file".equals(settingsURL.getProtocol())) {
                        try {
                            File settingsFile = new File(new URI(settingsURL.toExternalForm()));
                            if (optionalInclude && !settingsFile.exists()) {
                                return;
                            }
                            ivy.setSettingsVariables(Checks.checkAbsolute(settingsFile,
                                    "settings include path"));
                        } catch (URISyntaxException e) {
                            // try to make the best of it...
                            ivy.setSettingsVariables(Checks.checkAbsolute(settingsURL.getPath(),
                                    "settings include path"));
                        }
                    } else {
                        ivy.setSettingsVariables(settingsURL);
                    }
                } catch (IOException ioe) {
                    if (!optionalInclude) {
                        throw ioe;
                    }
                    Message.verbose("Skipping inclusion of optional file " + propFilePath
                            + " due to IOException - " + ioe.getMessage());
                    return;
                }
            }
            try {
                new XmlSettingsParser(ivy).parse(configurator, settingsURL);
            } catch (IOException ioe) {
                if (!optionalInclude) {
                    throw ioe;
                }
                Message.verbose("Skipping inclusion of optional settings URL " + settingsURL
                        + " due to IOException - " + ioe.getMessage());
                return;
            }
        } finally {
            ivy.setVariableContainer(variables);
        }
    }