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jBiDiB BiDiB Wizard POM

There is a newer version: 2.0.0-M1

package org.bidib.wizard.utils;

import java.util.Collection;

import org.apache.commons.collections4.Predicate;
import org.apache.commons.lang.StringUtils;
import org.bidib.jbidibc.core.StringData;
import org.bidib.wizard.mvc.main.model.Node;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class NodeUtils {
    private static final Logger LOGGER = LoggerFactory.getLogger(NodeUtils.class);

    /**
     * Find a node by its node uuid in the provided list of nodes.
     * 
     * @param nodes
     *            the list of nodes
     * @param uuid
     *            the uuid of the node to find
     * @return the found node or null if no node was found with the provided node uuid
     */
    public static Node findNodeByUuid(Collection nodes, final long uuid) {
        Node node = org.apache.commons.collections4.CollectionUtils.find(nodes, new Predicate() {

            @Override
            public boolean evaluate(final Node node) {
                if (node.getUniqueId() == uuid) {
                    LOGGER.debug("Found node: {}", node);
                    return true;
                }
                return false;
            }
        });
        return node;
    }

    /**
     * Prepare the node label based on the user string with fallback to node.toString().
     * 
     * @param node
     *            the node
     * @return the node label
     */
    public static String prepareLabel(Node node) {
        String nodeLabel = null;

        if (node != null) {
            if (node.getNode().hasStoredStrings()) {
                // the node has stored strings, prepare the label with the stored strings
                String userString = node.getNode().getStoredString(StringData.INDEX_USERNAME);
                if (StringUtils.isNotBlank(userString)) {
                    // user string is available
                    String label = node.toString();
                    if (label.startsWith(userString)) {
                        nodeLabel = label;
                    }
                    else {
                        nodeLabel = userString;
                    }
                }
            }
            if (StringUtils.isBlank(nodeLabel)) {
                nodeLabel = node.toString();
            }
        }
        return nodeLabel;
    }

}