Example usage for org.dom4j ElementPath getCurrent

Introduction

In this page you can find the example usage for org.dom4j ElementPath getCurrent.

Prototype

Element getCurrent();

Source Link

Document

DOCUMENT ME!

Usage

From source file:org.snipsnap.snip.XMLSnipImport.java

License:Open Source License

/**
 * Load snips and users into the SnipSpace from an xml document out of a stream.
 *
 * @param in    the input stream to load from
 * @param flags whether or not to overwrite existing content
 *//*from  w ww . j a  v a 2s.c  o m*/
public static void load(InputStream in, final int flags) throws IOException {
    SAXReader saxReader = new SAXReader();
    try {
        saxReader.addHandler("/snipspace/user", new ElementHandler() {
            public void onStart(ElementPath elementPath) {
                // nothing to do here ...
            }

            public void onEnd(ElementPath elementPath) {
                Element userElement = elementPath.getCurrent();
                if ((flags & IMPORT_USERS) != 0) {
                    try {
                        XMLSnipImport.loadUser(elementPath.getCurrent(), flags);
                    } catch (Exception e) {
                        Logger.fatal("XMLSnipImport: error importing user: " + userElement.elementText("name"));
                    }
                    getStatus().inc();
                }
                // prune the element to save memory
                userElement.detach();
            }
        });

        saxReader.addHandler("/snipspace/snip", new ElementHandler() {
            public void onStart(ElementPath elementPath) {
                // nothing to do here ...
            }

            public void onEnd(ElementPath elementPath) {
                Element snipElement = elementPath.getCurrent();
                if ((flags & IMPORT_SNIPS) != 0) {
                    try {
                        XMLSnipImport.loadSnip(snipElement, flags);
                    } catch (Exception e) {
                        Logger.fatal("XMLSnipImport: error importing snip: " + snipElement.elementText("name"));
                    }
                    getStatus().inc();
                }
                // prune the element to save memory
                snipElement.detach();
            }
        });

        // add a reader wrapper to remove illegal characters from input stream
        // it looks like the database export (XMLWriter) allows these to get through
        InputStreamReader reader = new InputStreamReader(in, "UTF-8") {
            public int read(char[] chars) throws IOException {
                int n = super.read(chars);
                for (int i = 0; i < n; i++) {
                    chars[i] = replaceIfIllegal(chars[i]);
                }
                return n;
            }

            public int read(char[] chars, int start, int length) throws IOException {
                int n = super.read(chars, start, length);
                for (int i = 0; i < n; i++) {
                    chars[i] = replaceIfIllegal(chars[i]);
                }
                return n;
            }

            private char replaceIfIllegal(char c) {
                if (c < 0x20 && !(c == 0x09 || c == 0x0a || c == 0x0d)) {
                    charErrCount++;
                    return (char) 0x20;
                }
                return c;
            }
        };

        saxReader.read(reader);
        Logger.warn("XMLSnipImport: corrected " + charErrCount + " characters in input");
        Logger.log("XMLSnipImport: imported " + getStatus().getValue() + " data records");
    } catch (DocumentException e) {
        Logger.warn("XMLSnipImport: unable to parse document", e);
        throw new IOException("Error parsing document: " + e);
    }
}

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From source file:uidserver.Config.java

public Config(String configFilePath) {
    File configFile = new File(configFilePath);
    if (configFile.exists()) {
        try {/*from   w  w  w .  ja v  a 2  s.c  om*/
            SAXReader reader = new SAXReader();
            reader.addHandler("/config", new ElementHandler() {
                @Override
                public void onStart(ElementPath elementPath) {

                }

                @Override
                public void onEnd(ElementPath elementPath) {
                    Element row = elementPath.getCurrent();
                    readElement(row);
                    row.detach();
                }

                private void readElement(Element row) {
                    List<Element> nodes = row.elements();
                    if (!nodes.isEmpty()) {
                        for (Element node : nodes) {
                            String name = node.getName().toLowerCase();
                            String value = node.getText();
                            switch (name) {
                            case "logpath":
                                logPath = new File(value);
                                break;
                            case "port":
                                port = value;
                                break;
                            case "timeout":
                                timeOut = Integer.valueOf(value);
                                break;
                            case "uidfile":
                                uidFile = new File(value);
                                break;
                            }

                        }

                    } else {
                        System.out.println("Error: empty elements in config file, please add correct setup");
                        System.exit(0);
                    }

                }

            });

            reader.setValidation(false);
            Document document = reader.read(configFile);
            if (logPath != null && port != null && uidFile != null) {
                if (!logPath.exists()) {
                    if (!logPath.mkdirs()) {
                        System.out.println("Failed to create log file: " + logPath.getAbsoluteFile());
                        System.out.println("Please setup correct log file path");
                        System.exit(0);
                    }
                }

            } else {
                System.out.println("Please set up correct Port/LogFile/UidFile");
                System.exit(0);
            }
        } catch (DocumentException ex) {
            Logger.getLogger(Config.class.getName()).log(Level.SEVERE, null, ex);
            System.out.println("Error during reading xml config file, please double check file content");
            System.exit(0);
        }
    } else {
        System.out.println("The specified config file: " + configFile.getAbsolutePath() + " doesn't exist");
        System.out.println("Please key in correct config file path");
        System.exit(0);
    }
}

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