Example usage for com.liferay.portal.kernel.xml Element getNamespaceForPrefix

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.xml Element getNamespaceForPrefix.

Prototype

public Namespace getNamespaceForPrefix(String prefix);

Source Link

Usage

From source file:com.liferay.portlet.PortletQNameImpl.java

License:Open Source License

public QName getQName(Element qNameEl, Element nameEl, String defaultNamespace) {

    if ((qNameEl == null) && (nameEl == null)) {
        _log.error("both qname and name elements are null");

        return null;
    }//from ww  w.  j ava  2 s  .  c o  m

    if (qNameEl == null) {
        return SAXReaderUtil.createQName(nameEl.getTextTrim(), SAXReaderUtil.createNamespace(defaultNamespace));
    }

    String localPart = qNameEl.getTextTrim();

    int pos = localPart.indexOf(CharPool.COLON);

    if (pos == -1) {
        if (_log.isDebugEnabled()) {
            _log.debug("qname " + localPart + " does not have a prefix");
        }

        return SAXReaderUtil.createQName(localPart);
    }

    String prefix = localPart.substring(0, pos);

    Namespace namespace = qNameEl.getNamespaceForPrefix(prefix);

    if (namespace == null) {
        if (_log.isWarnEnabled()) {
            _log.warn("qname " + localPart + " does not have a valid namespace");
        }

        return null;
    }

    localPart = localPart.substring(prefix.length() + 1);

    return SAXReaderUtil.createQName(localPart, namespace);
}

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