Example usage for org.dom4j Element attribute

List of usage examples for org.dom4j Element attribute

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Introduction

In this page you can find the example usage for org.dom4j Element attribute.

Prototype

Attribute attribute(QName qName);

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Usage

From source file:net.unicon.alchemist.access.rdbms.RdbmsAccessBroker.java

License:Open Source License

public static AccessBroker parse(Element e) {

    // Assertions.
    if (e == null) {
        String msg = "Argument 'e [Element]' cannot be null.";
        throw new IllegalArgumentException(msg);
    }/*from w  w w .j a v  a  2  s .  c om*/
    if (!e.getName().equals("access-broker")) {
        String msg = "Argument 'e [Element]' must be an <access-broker> " + "element.";
        throw new IllegalArgumentException(msg);
    }

    // Call parse() in the specified implementation.
    Attribute impl = e.attribute("impl");

    Attribute handle = e.attribute("handle");
    String name = handle.getText();

    // AccessTypes lookup
    Element el = (Element) e.selectSingleNode("access");
    if (el == null)
        throw new IllegalArgumentException("RdbmsAccessBroker requires the <access> element.");
    impl = el.attribute("impl");
    if (impl == null)
        throw new IllegalArgumentException("The element <access> must contain an 'impl' attribute.");
    AccessType[] accessTypes = null;
    try {
        accessTypes = (AccessType[]) Class.forName(impl.getValue()).getMethod("getInstances", null).invoke(null,
                null);
    } catch (ClassNotFoundException ex1) {
        throw new RuntimeException("Could not find the class " + impl.getValue(), ex1);
    } catch (NoSuchMethodException ex2) {
        throw new RuntimeException("Could not find the Method 'getInstances' on class " + impl.getValue(), ex2);
    } catch (Exception ex3) {
        throw new RuntimeException("Unable to execute Method 'getInstances' on class " + impl.getValue(), ex3);
    }
    if (accessTypes == null || accessTypes.length == 0)
        throw new IllegalArgumentException("No AccessTypes found from <access> element declaration.");

    return getInstance(getDataSource(), name, accessTypes, true, e);

}

From source file:net.unicon.alchemist.encrypt.EncryptionService.java

License:Open Source License

/**
 * Initialize the service instances from the configuration file.
 *///from  w w  w  .ja  v  a  2s.c o m
private static Map createInstances() {
    Map serviceInstances = new HashMap();

    try {
        URL configUrl = EncryptionService.class.getResource(CONFIGURATION_FILE);

        if (configUrl == null)
            throw new IllegalArgumentException("Unable to locate encryption service configuration.");

        Element configElement = (Element) (new SAXReader()).read(configUrl.toString())
                .selectSingleNode("encryption-services");
        ;

        SecretKeyFactory skf = SecretKeyFactory.getInstance("DES");

        List eList = configElement.selectNodes("encryption-instance");
        Iterator it = eList.iterator();
        while (it.hasNext()) {
            Element e = (Element) it.next();
            Attribute attr = e.attribute("encrypt");
            boolean encrypt = (attr == null || !attr.getValue().equalsIgnoreCase("false"));
            String appName = e.selectSingleNode("name").getText();
            String keyStr = e.selectSingleNode("key").getText();

            if (keyStr == null || keyStr.length() < 8)
                throw new IllegalArgumentException("<key> must be at least 8 characters.");

            Key key = skf.generateSecret(new DESKeySpec(keyStr.getBytes()));

            serviceInstances.put(appName, new EncryptionService(encrypt, key));
        }

    } catch (Exception ex) {
        throw new RuntimeException("Failed to initialize EncryptionService", ex);
    }

    return Collections.unmodifiableMap(serviceInstances);
}

From source file:net.unicon.alchemist.rdbms.QueryManager.java

License:Open Source License

private Map loadQueries(String src, String module) {
    Map rslt = new HashMap();

    StringBuffer buf = new StringBuffer();
    buf.append("//module[@name='").append(module).append("']");

    if (log.isInfoEnabled()) {
        log.info("Loading query file " + src + " for module " + module);
    }/*from  www  .  j  a  v a 2s  .  c o  m*/
    InputStream in = null;
    try {
        in = Thread.currentThread().getContextClassLoader().getResourceAsStream(src);
        if (in == null) {
            in = QueryManager.class.getResourceAsStream(src);
        }
        if (in == null) {
            throw new RuntimeException("Unable to locate resource: " + src);
        }
        Document doc = new SAXReader().read(in);
        Element e = (Element) doc.getRootElement().selectSingleNode(buf.toString());
        List q = e.elements("query");
        for (Iterator it = q.iterator(); it.hasNext();) {
            Element el = (Element) it.next();
            String name = el.attribute("name").getValue();
            rslt.put(name, el.getText());
        }
    } catch (Exception ex) {
        throw new RuntimeException("Failed to load queries for module: " + module, ex);
    } finally {
        if (in != null)
            try {
                in.close();
            } catch (IOException ex) {
                log.error(ex.getMessage(), ex);
            }
    }

    return rslt;
}

From source file:net.unicon.alchemist.rdbms.Sequencer.java

License:Open Source License

public static Sequencer parse(Element e) {

    // Assertions.
    if (e == null) {
        String msg = "Argument 'e [Element]' cannot be null.";
        throw new IllegalArgumentException(msg);
    }// ww w .  j  a  v a2  s.  com
    if (!e.getName().equals("sequencer")) {
        String msg = "Argument 'e' must be a <sequencer> element.";
        throw new IllegalArgumentException(msg);
    }
    if (defaultDataSource == null) {
        String msg = "The sequencer component must be bootsraped before " + "the parse method may be called.";
        throw new IllegalStateException(msg);
    }

    // Name.
    Attribute n = e.attribute("name");
    if (n == null) {
        String msg = "Element <sequencer> is missing required attribute " + "'name'.";
        throw new IllegalArgumentException(msg);
    }
    String name = n.getValue();

    // CacheSize.
    Attribute z = e.attribute("cache-size");
    if (z == null) {
        String msg = "Element <sequencer> is missing required attribute " + "'cache-size'.";
        throw new IllegalArgumentException(msg);
    }
    int cacheSize = 0;
    try {
        cacheSize = Integer.parseInt(z.getValue());
    } catch (NumberFormatException nfe) {
        String msg = "Attribute " + "'cache-size'.";
        throw new IllegalArgumentException(msg);
    }

    return new Sequencer(defaultDataSource, name, cacheSize);

}

From source file:net.unicon.civis.fac.AbstractCivisFactory.java

License:Open Source License

public static ICivisFactory parse(Element e) {

    // Assertions.
    if (e == null) {
        String msg = "Argument 'e [Element]' cannot be null.";
        throw new IllegalArgumentException(msg);
    }//from w  w w  .j a va2 s  .c  o  m
    if (!e.getName().equals("civis-factory")) {
        String msg = "Argument 'e [Element]' must be a <civis-factory> " + "element.";
        throw new IllegalArgumentException(msg);
    }

    // Impl.
    Attribute p = e.attribute("impl");
    if (p == null) {
        String msg = "Element <civis-factory> is missing required " + "attribute 'impl'.";
        throw new IllegalArgumentException(msg);
    }
    String impl = p.getValue();

    ICivisFactory rslt = null;
    try {

        Class c = Class.forName(impl);
        Method m = c.getDeclaredMethod("parse", new Class[] { Element.class });
        rslt = (ICivisFactory) m.invoke(null, new Object[] { e });

    } catch (Throwable t) {
        String msg = "Unable to evaluate the specified factory:  " + impl;
        throw new RuntimeException(msg, t);
    }

    return rslt;

}

From source file:net.unicon.mercury.DraftMessage.java

License:Open Source License

/**
 * Parse an XML fragment containing a message.
 * @param e Element object representing the <code>&lt;message&gt;</code>
 *          element.//from   ww w.  j  a  v  a 2  s.c om
 * @return IMessage representing the given XML element
 */
public static DraftMessage parse(Element e) throws MercuryException {
    // Assertions.
    assert e != null : "Argument 'e [Element]' cannot be null.";
    if (!e.getName().equals("message"))
        throw new XmlFormatException("Argument 'e [Element]' must be a <message> element.");

    DraftMessage msg = new DraftMessage();
    String buf = null;
    Attribute t = null;
    Attribute et = null;
    List list = null;

    // Priority.
    list = e.elements("priority");
    if (!list.isEmpty())
        msg.priority = Priority.getInstance(Integer.parseInt(((Element) list.get(0)).getText()));

    // Recipient.
    list = e.elements("recipient");
    for (Iterator it = list.iterator(); it.hasNext();) {
        Element el = (Element) it.next();
        t = el.attribute("type");
        et = el.attribute("entity-type");
        msg.addRecipient(t.getValue(), AddressImpl.parse((Element) el.selectSingleNode("address")),
                EntityType.getInstance(et.getValue()));
    }

    // Subject.
    list = e.elements("subject");
    if (!list.isEmpty())
        msg.subject = ((Element) list.get(0)).getText();

    // Body.
    list = e.elements("body");
    if (!list.isEmpty())
        msg.body = ((Element) list.get(0)).getText();
    /*
            list = e.elements("body");
            if (!list.isEmpty()) {
    Element b = (Element)list.get(0);
    b = b.createCopy();
    b.setName("xhtml");
    msg.body = b.asXML();
            }
    */

    //list = e.elements("expires");

    return msg;
}

From source file:net.unicon.mercury.fac.AddressImpl.java

License:Open Source License

public static IAddress parse(Element e) throws MercuryException {
    String label = null;//from   w w  w  . jav  a 2s . co  m
    String nativeFormat = null;

    // Assertions.
    if (e == null) {
        String msg = "Argument 'e [Element]' cannot be null.";
        throw new IllegalArgumentException(msg);
    }
    if (!e.getName().equals("address")) {
        String msg = "Argument 'e [Element]' must be a <address> " + "element.";
        throw new IllegalArgumentException(msg);
    }

    // Native-format attribute.
    Attribute t = e.attribute("native-format");
    if (t == null) {
        String msg = "Element <address> is missing required " + "attribute 'native-format'";
        throw new XmlFormatException(msg);
    }
    nativeFormat = t.getValue();

    // Label.
    List list = e.elements("label");
    if (list.size() == 1)
        label = ((Element) list.get(0)).getText();
    else
        label = nativeFormat;

    return new AddressImpl(label, nativeFormat);
}

From source file:net.unicon.mercury.fac.email.EmailAccount.java

License:Open Source License

/**
 * Establish an EmailAccount based on an XML fragment.
 * @param e Root element of the XML fragment.
 * @return EmailAccount object representing the given XML fragment.
 * @throws MercuryException if any part of the parsing process fails.
 *//* ww  w . ja v a  2  s .  c o m*/
public static EmailAccount parse(Element e) throws MercuryException {
    assert e != null;
    String tmp = null;
    EmailStoreAccount storeacct = null;
    EmailTransportAccount transportacct = null;

    Element el;
    Attribute t;

    try {
        // Store
        el = (Element) e.selectSingleNode("account[@type='store']");
        if (el != null) {
            t = el.attribute("impl");
            if (t == null)
                throw new XmlFormatException("Element <account> must have an attribute 'impl'");
            storeacct = (EmailStoreAccount) Class.forName(t.getValue()).getConstructor(new Class[0])
                    .newInstance(new Object[0]);

            storeacct.parse(el);
        }

        // Transport
        el = (Element) e.selectSingleNode("account[@type='transport']");
        if (el != null) {
            t = el.attribute("impl");
            if (t == null)
                throw new XmlFormatException("Element <account> must have an attribute 'impl'");
            transportacct = (EmailTransportAccount) Class.forName(t.getValue()).getConstructor(new Class[0])
                    .newInstance(new Object[0]);

            transportacct.parse(el);
        }
    } catch (Exception ex) {
        throw new MercuryException("Error instansiating EmailMessageFactory.", ex);
    }

    return new EmailAccount(storeacct, transportacct);
}

From source file:net.unicon.mercury.fac.email.EmailRecipient.java

License:Open Source License

/**
 * Parse a recipient from an XML fragment.
 * @param e The XML fragment to parse./*from  www .j a  v  a2  s .  c o  m*/
 * @return The resultant recipient object.
 * @throws MercuryException if the parsing fails
 */
public static IRecipient parse(Element e) throws MercuryException {
    IRecipientType type;
    IAddress address;

    assert e != null : "Argument 'e [Element]' cannot be null.";

    if (!e.getName().equals("recipient")) {
        String msg = "Argument 'e [Element]' must be a <recipient> " + "element.";
        throw new IllegalArgumentException(msg);
    }

    // Type attribute.
    Attribute t = e.attribute("type");
    if (t == null) {
        String msg = "Element <recipient> is missing required " + "attribute 'type'";
        throw new XmlFormatException(msg);
    }
    type = EmailRecipientType.getType(t.getValue());

    // Address.
    List list = e.elements("address");
    if (list.size() != 1) {
        String msg = "Exactly one <address> element required per " + "recipient.";
        throw new XmlFormatException(msg);
    }
    address = AddressImpl.parse(((Element) list.get(0)));

    return new EmailRecipient(address, type);
}

From source file:net.unicon.mercury.fac.email.JavaMailAccount.java

License:Open Source License

/**
 * Configure the account based on an XML fragment.
 * @param e Element representing the top node of the XML fragment.
 *//*from   w  ww .jav  a2  s  . c  o m*/
public void parse(Element e) throws MercuryException {
    Element e2 = (Element) e.selectSingleNode("host");
    if (e2 == null)
        throw new XmlFormatException("Element <host> required.");
    setHostname(e2.getText());

    e2 = (Element) e.selectSingleNode("port");
    if (e2 != null)
        setPort(Integer.parseInt(e2.getText()));

    e2 = (Element) e.selectSingleNode("username");
    if (e2 != null)
        setUsername(e2.getText());

    e2 = (Element) e.selectSingleNode("password");
    if (e2 != null)
        setPassword(e2.getText());

    Attribute t = e.attribute("timeout");
    if (t != null)
        setTimeout(Integer.parseInt(t.getValue()));
}