NamedUtils.java

package io.cattle.platform.util.type;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang3.StringUtils;

public class NamedUtils {

    public static <T extends Named> Map<String, T> createMapByName(List<T> items) {
        Map<String, T> result = new HashMap<String, T>();

        for (T item : items) {
            result.put(item.getName(), item);
        }

        return result;
    }

    public static String getName(Object obj) {
        if (obj instanceof Named) {
            return ((Named) obj).getName();
        } else {
            return obj.getClass().getSimpleName();
        }
    }

    public static String toDotSeparated(String name) {
        if (name == null) {
            return name;
        }
        return name.replaceAll("([a-z])([A-Z])", "$1.$2").toLowerCase();
    }

    public static String toCamelCase(String name) {
        StringBuilder buf = new StringBuilder();
        for (String part : name.split("_")) {
            if (buf.length() == 0) {
                buf.append(part);
            } else {
                buf.append(StringUtils.capitalize(part));
            }
        }
        return buf.toString();
    }

    public static String toUnderscoreSeparated(String name) {
        if (name == null) {
            return name;
        }
        return name.replaceAll("([a-z])([A-Z])", "$1_$2").toLowerCase();
    }
}