Examples with EntityResolver org.xml.sax.EntityResolver used on opensource projects

Example 1 with EntityResolver

use of org.xml.sax.EntityResolver in project XobotOS by xamarin.

the class Properties method loadFromXML.

/**
     * Loads the properties from an {@code InputStream} containing the
     * properties in XML form. The XML document must begin with (and conform to)
     * following DOCTYPE:
     *
     * <pre>
     * &lt;!DOCTYPE properties SYSTEM &quot;http://java.sun.com/dtd/properties.dtd&quot;&gt;
     * </pre>
     *
     * Also the content of the XML data must satisfy the DTD but the xml is not
     * validated against it. The DTD is not loaded from the SYSTEM ID. After
     * this method returns the InputStream is not closed.
     *
     * @param in the InputStream containing the XML document.
     * @throws IOException in case an error occurs during a read operation.
     * @throws InvalidPropertiesFormatException if the XML data is not a valid
     *             properties file.
     */
public synchronized void loadFromXML(InputStream in) throws IOException, InvalidPropertiesFormatException {
    if (in == null) {
        throw new NullPointerException();
    }
    if (builder == null) {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        try {
            builder = factory.newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            throw new Error(e);
        }
        builder.setErrorHandler(new ErrorHandler() {

            public void warning(SAXParseException e) throws SAXException {
                throw e;
            }

            public void error(SAXParseException e) throws SAXException {
                throw e;
            }

            public void fatalError(SAXParseException e) throws SAXException {
                throw e;
            }
        });
        builder.setEntityResolver(new EntityResolver() {

            public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
                if (systemId.equals(PROP_DTD_NAME)) {
                    InputSource result = new InputSource(new StringReader(PROP_DTD));
                    result.setSystemId(PROP_DTD_NAME);
                    return result;
                }
                throw new SAXException("Invalid DOCTYPE declaration: " + systemId);
            }
        });
    }
    try {
        Document doc = builder.parse(in);
        NodeList entries = doc.getElementsByTagName("entry");
        if (entries == null) {
            return;
        }
        int entriesListLength = entries.getLength();
        for (int i = 0; i < entriesListLength; i++) {
            Element entry = (Element) entries.item(i);
            String key = entry.getAttribute("key");
            String value = entry.getTextContent();
            /*
                 * key != null & value != null but key or(and) value can be
                 * empty String
                 */
            put(key, value);
        }
    } catch (IOException e) {
        throw e;
    } catch (SAXException e) {
        throw new InvalidPropertiesFormatException(e);
    }
}

Example 2 with EntityResolver

use of org.xml.sax.EntityResolver in project Openfire by igniterealtime.

the class UserSchemaValidator method validateAndParse.

/**
   * Perform a validate and a parse of the specified source document.
   * Validating is done with the specified schemafiles.
   * 
   * @return A Document when the validation s successful.
   */
Document validateAndParse() {
    ValidatorErrorHandler handler = new ValidatorErrorHandler();
    try {
        DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
        documentBuilderFactory.setNamespaceAware(true);
        documentBuilderFactory.setXIncludeAware(true);
        documentBuilderFactory.setValidating(false);
        // We don't want xml:base and xml:lang attributes in the output.
        documentBuilderFactory.setFeature("http://apache.org/xml/features/xinclude/fixup-base-uris", false);
        documentBuilderFactory.setFeature("http://apache.org/xml/features/xinclude/fixup-language", false);
        if (schemaSources.length > 0) {
            Log.info("Checking Schema's");
            SchemaFactory schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
            schemaFactory.setErrorHandler(handler);
            Schema schema = schemaFactory.newSchema(schemaSources);
            documentBuilderFactory.setSchema(schema);
            Log.info("Start validating document");
        } else {
            Log.info("Loading document");
        }
        DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
        handler.reset();
        // Communicate some info about the Xincludes in the imported file. These imports should be resolvable by the server. 
        documentBuilder.setEntityResolver(new EntityResolver() {

            @Override
            public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
                Log.info(String.format("resolved Entity:%s %s", (publicId != null ? publicId : ""), systemId));
                return null;
            }
        });
        documentBuilder.setErrorHandler(handler);
        Document result = documentBuilder.parse(source);
        if (result != null && handler.isValid()) {
            return result;
        } else {
            Log.warn(String.format("document is invalid. %1$d errors found.", handler.getNrOfErrors()));
            return null;
        }
    } catch (Exception e) {
        Log.warn(String.format("document validation failed. %1$d errors found.", handler.getNrOfErrors()));
        Log.debug("", e);
        return null;
    }
}

Example 3 with EntityResolver

use of org.xml.sax.EntityResolver in project intellij-community by JetBrains.

the class JDOMUtil method getSaxBuilder.

private static SAXBuilder getSaxBuilder() {
    SoftReference<SAXBuilder> reference = ourSaxBuilder.get();
    SAXBuilder saxBuilder = com.intellij.reference.SoftReference.dereference(reference);
    if (saxBuilder == null) {
        saxBuilder = new SAXBuilder() {

            @Override
            protected void configureParser(XMLReader parser, SAXHandler contentHandler) throws JDOMException {
                super.configureParser(parser, contentHandler);
                try {
                    parser.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
                } catch (Exception ignore) {
                }
            }
        };
        saxBuilder.setEntityResolver(new EntityResolver() {

            @Override
            @NotNull
            public InputSource resolveEntity(String publicId, String systemId) {
                return new InputSource(new CharArrayReader(ArrayUtil.EMPTY_CHAR_ARRAY));
            }
        });
        ourSaxBuilder.set(new SoftReference<SAXBuilder>(saxBuilder));
    }
    return saxBuilder;
}

Example 4 with EntityResolver

use of org.xml.sax.EntityResolver in project intellij-community by JetBrains.

the class ModelGen method loadXml.

public static Element loadXml(File configXml) throws Exception {
    SAXBuilder saxBuilder = new SAXBuilder();
    saxBuilder.setEntityResolver(new EntityResolver() {

        public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
            return new InputSource(new CharArrayReader(new char[0]));
        }
    });
    final Document document = saxBuilder.build(configXml);
    return document.getRootElement();
}

Example 5 with EntityResolver

use of org.xml.sax.EntityResolver in project robovm by robovm.

the class Properties method loadFromXML.

/**
     * Loads the properties from an {@code InputStream} containing the
     * properties in XML form. The XML document must begin with (and conform to)
     * following DOCTYPE:
     *
     * <pre>
     * &lt;!DOCTYPE properties SYSTEM &quot;http://java.sun.com/dtd/properties.dtd&quot;&gt;
     * </pre>
     *
     * Also the content of the XML data must satisfy the DTD but the xml is not
     * validated against it. The DTD is not loaded from the SYSTEM ID. After
     * this method returns the InputStream is not closed.
     *
     * @param in the InputStream containing the XML document.
     * @throws IOException in case an error occurs during a read operation.
     * @throws InvalidPropertiesFormatException if the XML data is not a valid
     *             properties file.
     */
public synchronized void loadFromXML(InputStream in) throws IOException, InvalidPropertiesFormatException {
    if (in == null) {
        throw new NullPointerException("in == null");
    }
    if (builder == null) {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        try {
            builder = factory.newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            throw new Error(e);
        }
        builder.setErrorHandler(new ErrorHandler() {

            public void warning(SAXParseException e) throws SAXException {
                throw e;
            }

            public void error(SAXParseException e) throws SAXException {
                throw e;
            }

            public void fatalError(SAXParseException e) throws SAXException {
                throw e;
            }
        });
        builder.setEntityResolver(new EntityResolver() {

            public InputSource resolveEntity(String publicId, String systemId) throws SAXException, IOException {
                if (systemId.equals(PROP_DTD_NAME)) {
                    InputSource result = new InputSource(new StringReader(PROP_DTD));
                    result.setSystemId(PROP_DTD_NAME);
                    return result;
                }
                throw new SAXException("Invalid DOCTYPE declaration: " + systemId);
            }
        });
    }
    try {
        Document doc = builder.parse(in);
        NodeList entries = doc.getElementsByTagName("entry");
        if (entries == null) {
            return;
        }
        int entriesListLength = entries.getLength();
        for (int i = 0; i < entriesListLength; i++) {
            Element entry = (Element) entries.item(i);
            String key = entry.getAttribute("key");
            String value = entry.getTextContent();
            /*
                 * key != null & value != null but key or(and) value can be
                 * empty String
                 */
            put(key, value);
        }
    } catch (IOException e) {
        throw e;
    } catch (SAXException e) {
        throw new InvalidPropertiesFormatException(e);
    }
}