Example usage for org.apache.commons.vfs FileContent getAttributeNames

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileContent getAttributeNames.

Prototype

String[] getAttributeNames() throws FileSystemException;

Source Link

Document

Lists the attributes of the file's content.

Usage

From source file:com.thinkberg.webdav.data.AbstractDavResource.java

/**
 * Get property values. This method expects one of either <allprop>, <propnames> or
 * <prop>. If the element is <prop> it will go through the list of it's children
 * and request the values. For <allprop> it will get values of all known properties and
 * <propnames> will return the names of all known properties.
 *
 * @param root       the root of the result document
 * @param propertyEl the prop, propname or allprop element
 * @return the root of the result document
 *//*from   ww w . ja  v a  2 s .c  o  m*/
public Element getPropertyValues(Element root, Element propertyEl) {
    // initialize the <propstat> for 200
    Element okPropStatEl = root.addElement(TAG_PROPSTAT);
    Element okPropEl = okPropStatEl.addElement(TAG_PROP);

    // initialize the <propstat> element for 404
    Element failPropStatEl = root.addElement(TAG_PROPSTAT);
    Element failPropEl = failPropStatEl.addElement(TAG_PROP);

    if (TAG_ALLPROP.equalsIgnoreCase(propertyEl.getName())
            || TAG_PROPNAMES.equalsIgnoreCase(propertyEl.getName())) {
        boolean ignoreValue = TAG_PROPNAMES.equalsIgnoreCase(propertyEl.getName());

        // get all known standard properties
        for (String propName : ALL_PROPERTIES) {
            if (!getPropertyValue(okPropEl, propName, ignoreValue)) {
                failPropEl.addElement(propName);
            }
        }

        // additionally try to add all the custom properties
        try {
            FileContent objectContent = object.getContent();
            for (String attributeName : objectContent.getAttributeNames()) {
                if (!getPropertyValue(okPropEl, attributeName, ignoreValue)) {
                    failPropEl.addElement(attributeName);
                }
            }
        } catch (FileSystemException e) {
            LogFactory.getLog(getClass())
                    .error(String.format("can't read attribute properties from '%s'", object.getName()), e);
        }
    } else {
        List requestedProperties = propertyEl.elements();
        for (Object propertyElObject : requestedProperties) {
            Element propEl = (Element) propertyElObject;
            final String nameSpace = propEl.getNamespaceURI();
            if (!getPropertyValue(okPropEl, getFQName(nameSpace, propEl.getName()), false)) {
                failPropEl.addElement(propEl.getQName());
            }
        }
    }

    // only add the OK section, if there is content
    if (okPropEl.elements().size() > 0) {
        okPropStatEl.addElement(TAG_STATUS).addText(STATUS_200);
    } else {
        okPropStatEl.detach();
    }

    // only add the failed section, if there is content
    if (failPropEl.elements().size() > 0) {
        failPropStatEl.addElement(TAG_STATUS).addText(STATUS_404);
    } else {
        failPropStatEl.detach();
    }

    return root;
}

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From source file:org.efaps.webdav4vfs.data.AbstractDavResource.java

/**
 * Get property values. This method expects one of either <allprop>,
 * <propnames> or <prop>. If the element is <prop> it
 * will go through the list of it's children and request the values. For
 * <allprop> it will get values of all known properties and
 * <propnames> will return the names of all known properties.
 *
 * @param root       the root of the result document
 * @param propertyEl the prop, propname or allprop element
 * @return the root of the result document
 *//* w ww .jav  a 2 s.com*/
public Element getPropertyValues(final Element root, final Element propertyEl) {
    // initialize the <propstat> for 200
    final Element okPropStatEl = root.addElement(TAG_PROPSTAT);
    final Element okPropEl = okPropStatEl.addElement(TAG_PROP);

    // initialize the <propstat> element for 404
    final Element failPropStatEl = root.addElement(TAG_PROPSTAT);
    final Element failPropEl = failPropStatEl.addElement(TAG_PROP);

    if (TAG_ALLPROP.equalsIgnoreCase(propertyEl.getName())
            || TAG_PROPNAMES.equalsIgnoreCase(propertyEl.getName())) {

        boolean ignoreValue = TAG_PROPNAMES.equalsIgnoreCase(propertyEl.getName());

        // get all known standard properties
        for (String propName : ALL_PROPERTIES) {
            if (!getPropertyValue(okPropEl, propName, ignoreValue)) {
                failPropEl.addElement(propName);
            }
        }

        // additionally try to add all the custom properties
        try {
            final FileContent objectContent = object.getContent();
            for (String attributeName : objectContent.getAttributeNames()) {
                if (!getPropertyValue(okPropEl, attributeName, ignoreValue)) {
                    failPropEl.addElement(attributeName);
                }
            }
        } catch (final FileSystemException e) {
            LogFactory.getLog(getClass())
                    .error(String.format("can't read attribute properties from '%s'", object.getName()), e);
        }
    } else {
        final List<?> requestedProperties = propertyEl.elements();
        for (Object propertyElObject : requestedProperties) {
            final Element propEl = (Element) propertyElObject;
            final String nameSpace = propEl.getNamespaceURI();
            if (!getPropertyValue(okPropEl, getFQName(nameSpace, propEl.getName()), false)) {
                failPropEl.addElement(propEl.getQName());
            }
        }
    }

    // only add the OK section, if there is content
    if (okPropEl.elements().size() > 0) {
        okPropStatEl.addElement(TAG_STATUS).addText(STATUS_200);
    } else {
        okPropStatEl.detach();
    }

    // only add the failed section, if there is content
    if (failPropEl.elements().size() > 0) {
        failPropStatEl.addElement(TAG_STATUS).addText(STATUS_404);
    } else {
        failPropStatEl.detach();
    }

    return root;
}

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