Examples with DocumentBuilder javax.xml.parsers.DocumentBuilder used on opensource projects

Example 56 with DocumentBuilder

use of javax.xml.parsers.DocumentBuilder in project che by eclipse.

the class TemplateReaderWriter method read.

/**
	 * Reads templates from an <code>InputSource</code> and adds them to the templates.
	 *
	 * @param source the input source
	 * @param bundle a resource bundle to use for translating the read templates, or <code>null</code> if no translation should occur
	 * @param singleId the template id to extract, or <code>null</code> to read in all templates
	 * @return the read templates, encapsulated in instances of <code>TemplatePersistenceData</code>
	 * @throws IOException if reading from the stream fails
	 */
private TemplatePersistenceData[] read(InputSource source, ResourceBundle bundle, String singleId) throws IOException {
    try {
        Collection templates = new ArrayList();
        Set ids = new HashSet();
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder parser = factory.newDocumentBuilder();
        parser.setErrorHandler(new DefaultHandler());
        Document document = parser.parse(source);
        NodeList elements = document.getElementsByTagName(TEMPLATE_ELEMENT);
        int count = elements.getLength();
        for (int i = 0; i != count; i++) {
            Node node = elements.item(i);
            NamedNodeMap attributes = node.getAttributes();
            if (attributes == null)
                continue;
            String id = getStringValue(attributes, ID_ATTRIBUTE, null);
            if (id != null && ids.contains(id))
                //$NON-NLS-1$
                throw new IOException(TemplatePersistenceMessages.getString("TemplateReaderWriter.duplicate.id"));
            if (singleId != null && !singleId.equals(id))
                continue;
            boolean deleted = getBooleanValue(attributes, DELETED_ATTRIBUTE, false);
            String name = getStringValue(attributes, NAME_ATTRIBUTE);
            name = translateString(name, bundle);
            //$NON-NLS-1$
            String description = getStringValue(attributes, DESCRIPTION_ATTRIBUTE, "");
            description = translateString(description, bundle);
            String context = getStringValue(attributes, CONTEXT_ATTRIBUTE);
            if (name == null || context == null)
                //$NON-NLS-1$
                throw new IOException(TemplatePersistenceMessages.getString("TemplateReaderWriter.error.missing_attribute"));
            boolean enabled = getBooleanValue(attributes, ENABLED_ATTRIBUTE, true);
            boolean autoInsertable = getBooleanValue(attributes, AUTO_INSERTABLE_ATTRIBUTE, true);
            StringBuffer buffer = new StringBuffer();
            NodeList children = node.getChildNodes();
            for (int j = 0; j != children.getLength(); j++) {
                String value = children.item(j).getNodeValue();
                if (value != null)
                    buffer.append(value);
            }
            String pattern = buffer.toString();
            pattern = translateString(pattern, bundle);
            Template template = new Template(name, description, context, pattern, autoInsertable);
            TemplatePersistenceData data = new TemplatePersistenceData(template, enabled, id);
            data.setDeleted(deleted);
            templates.add(data);
            if (singleId != null && singleId.equals(id))
                break;
        }
        return (TemplatePersistenceData[]) templates.toArray(new TemplatePersistenceData[templates.size()]);
    } catch (ParserConfigurationException e) {
        Assert.isTrue(false);
    } catch (SAXException e) {
        //$NON-NLS-1$
        throw (IOException) new IOException("Could not read template file").initCause(e);
    }
    // dummy
    return null;
}

Example 57 with DocumentBuilder

use of javax.xml.parsers.DocumentBuilder in project che by eclipse.

the class DialogSettings method load.

/* (non-Javadoc)
     * Method declared on IDialogSettings.
     */
@Override
public void load(Reader r) {
    Document document = null;
    try {
        DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        //		parser.setProcessNamespace(true);
        document = parser.parse(new InputSource(r));
        //Strip out any comments first
        Node root = document.getFirstChild();
        while (root.getNodeType() == Node.COMMENT_NODE) {
            document.removeChild(root);
            root = document.getFirstChild();
        }
        load(document, (Element) root);
    } catch (ParserConfigurationException e) {
    // ignore
    } catch (IOException e) {
    // ignore
    } catch (SAXException e) {
    // ignore
    }
}

Example 58 with DocumentBuilder

use of javax.xml.parsers.DocumentBuilder in project che by eclipse.

the class Launching method restoreLibraryInfo.

/**
     * Restores library information for VMs
     */
private static void restoreLibraryInfo() {
    fgLibraryInfoMap = new HashMap<String, LibraryInfo>(10);
    IPath libPath = getDefault().getStateLocation();
    //$NON-NLS-1$
    libPath = libPath.append("libraryInfos.xml");
    File file = libPath.toFile();
    if (file.exists()) {
        try {
            InputStream stream = new BufferedInputStream(new FileInputStream(file));
            DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
            parser.setErrorHandler(new DefaultHandler());
            Element root = parser.parse(new InputSource(stream)).getDocumentElement();
            if (!root.getNodeName().equals("libraryInfos")) {
                //$NON-NLS-1$
                return;
            }
            NodeList list = root.getChildNodes();
            int length = list.getLength();
            for (int i = 0; i < length; ++i) {
                Node node = list.item(i);
                short type = node.getNodeType();
                if (type == Node.ELEMENT_NODE) {
                    Element element = (Element) node;
                    String nodeName = element.getNodeName();
                    if (nodeName.equalsIgnoreCase("libraryInfo")) {
                        //$NON-NLS-1$
                        //$NON-NLS-1$
                        String version = element.getAttribute("version");
                        //$NON-NLS-1$
                        String location = element.getAttribute("home");
                        //$NON-NLS-1$
                        String[] bootpath = getPathsFromXML(element, "bootpath");
                        //$NON-NLS-1$
                        String[] extDirs = getPathsFromXML(element, "extensionDirs");
                        //$NON-NLS-1$
                        String[] endDirs = getPathsFromXML(element, "endorsedDirs");
                        if (location != null) {
                            LibraryInfo info = new LibraryInfo(version, bootpath, extDirs, endDirs);
                            fgLibraryInfoMap.put(location, info);
                        }
                    }
                }
            }
        } catch (IOException | SAXException | ParserConfigurationException e) {
            log(e);
        }
    }
}

Example 59 with DocumentBuilder

use of javax.xml.parsers.DocumentBuilder in project che by eclipse.

the class Launching method readInstallInfo.

/**
     * Reads the file of saved time stamps and populates the {@link #fgInstallTimeMap}.
     * See https://bugs.eclipse.org/bugs/show_bug.cgi?id=266651 for more information
     *
     * @since 3.7
     */
private static void readInstallInfo() {
    fgInstallTimeMap = new HashMap<String, Long>();
    IPath libPath = getDefault().getStateLocation();
    //$NON-NLS-1$
    libPath = libPath.append(".install.xml");
    File file = libPath.toFile();
    if (file.exists()) {
        try {
            InputStream stream = new BufferedInputStream(new FileInputStream(file));
            DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
            parser.setErrorHandler(new DefaultHandler());
            Element root = parser.parse(new InputSource(stream)).getDocumentElement();
            if (root.getNodeName().equalsIgnoreCase("dirs")) {
                //$NON-NLS-1$
                NodeList nodes = root.getChildNodes();
                Node node = null;
                Element element = null;
                for (int i = 0; i < nodes.getLength(); i++) {
                    node = nodes.item(i);
                    if (node.getNodeType() == Node.ELEMENT_NODE) {
                        element = (Element) node;
                        if (element.getNodeName().equalsIgnoreCase("entry")) {
                            //$NON-NLS-1$
                            //$NON-NLS-1$
                            String loc = element.getAttribute("loc");
                            //$NON-NLS-1$
                            String stamp = element.getAttribute("stamp");
                            try {
                                Long l = new Long(stamp);
                                fgInstallTimeMap.put(loc, l);
                            } catch (NumberFormatException nfe) {
                            //do nothing
                            }
                        }
                    }
                }
            }
        } catch (IOException e) {
            log(e);
        } catch (ParserConfigurationException e) {
            log(e);
        } catch (SAXException e) {
            log(e);
        }
    }
}

Example 60 with DocumentBuilder

use of javax.xml.parsers.DocumentBuilder in project che by eclipse.

the class Launching method getDocument.

/**
     * Returns a Document that can be used to build a DOM tree
     * @return the Document
     * @throws ParserConfigurationException if an exception occurs creating the document builder
     */
public static Document getDocument() throws ParserConfigurationException {
    DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = dfactory.newDocumentBuilder();
    Document doc = docBuilder.newDocument();
    return doc;
}