/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.vertx.micrometer.impl;

import io.micrometer.core.instrument.Tag;
import io.vertx.core.net.SocketAddress;
import io.vertx.micrometer.Label;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

Author:Joel Takvorian
/** * @author Joel Takvorian */
public final class Labels { private Labels() { } public static String fromAddress(SocketAddress address) { return address == null ? "?" : (address.host() + ":" + address.port()); } public static String getSide(boolean local) { return local ? "local" : "remote"; } public static List<Tag> toTags(Label[] keys, String[] values) { if (keys.length == 0) { return Collections.emptyList(); } List<Tag> tags = new ArrayList<>(keys.length); for (int i = 0; i < keys.length; i++) { if (values[i] != null) { String lowKey = keys[i].toString(); tags.add(Tag.of(lowKey, values[i])); } } return tags; } }