Example usage for org.apache.commons.collections.map MultiValueMap isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections.map MultiValueMap isEmpty.

Prototype

public boolean isEmpty() 

Source Link

Usage

From source file:org.eclipse.smila.processing.pipelets.HtmlToTextPipelet.java

/**
 * write metadata to attributes on blackboard.
 * /* w w  w .  j  a  va 2s  . c  o m*/
 * @param blackboard
 *          blackboard
 * @param id
 *          record id
 * @param metadata
 *          metadata to store
 * @throws BlackboardAccessException
 *           error writing values.
 */
private void storeMetadata(final Blackboard blackboard, final String id, final MultiValueMap metadata)
        throws BlackboardAccessException {
    if (!metadata.isEmpty()) {
        for (final Iterator<?> attributeNames = metadata.keySet().iterator(); attributeNames.hasNext();) {
            final String attributeName = (String) attributeNames.next();
            final Collection<?> values = metadata.getCollection(attributeName);
            final AnyMap anyMap = blackboard.getMetadata(id);
            if (!values.isEmpty()) {
                anyMap.remove(attributeName);
                final AnySeq sequence = blackboard.getDataFactory().createAnySeq();
                for (final Iterator<?> iter = values.iterator(); iter.hasNext();) {
                    final String value = (String) iter.next();
                    sequence.add(value);
                }
                anyMap.put(attributeName, sequence);
            }
        }
    }
}

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