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Library for using consul

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/**
 * Copyright (C) 2015 Matt Christiansen ([email protected])
 *
 * 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 net.nikore.consul;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Utils {

  public static String generateUrl(String baseUrl, UrlParameters... params) {
    if (params == null) {
      return baseUrl;
    }

    List allParams = new ArrayList<>();
    for (UrlParameters item : params) {
      if (item != null) {
        allParams.addAll(item.toUrlParameters());
      }
    }

    // construct the whole url
    StringBuilder result = new StringBuilder(baseUrl);

    Iterator paramsIterator = allParams.iterator();
    if (paramsIterator.hasNext()) {
      result.append("?").append(paramsIterator.next());
      while (paramsIterator.hasNext()) {
        result.append("&").append(paramsIterator.next());
      }
    }
    return result.toString();
  }

}