com.github.seratch.scalikesolr.request.util.QueryStringUtil.scala Maven / Gradle / Ivy

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scalikesolr

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/*
 * Copyright 2011 Kazuhiro Sera
 *
 * 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 com.github.seratch.scalikesolr.request.util

import com.github.seratch.scalikesolr.request.common.RequestParam
import java.net.URLEncoder

private[request] object QueryStringUtil {

  def appendIfExists[RP <: RequestParam](buf: StringBuilder, param: RP): Unit = {
    if (param != null && !param.isEmpty) {
      if (param.isMultiple) {
        param.getValues.foreach {
          value =>
            if (buf.length > 0) buf.append("&")
            buf.append(param.getKey())
            buf.append("=")
            buf.append(URLEncoder.encode(value, "UTF-8"))
        }
      } else {
        if (buf.length > 0) buf.append("&")
        buf.append(param.getKey())
        buf.append("=")
        buf.append(URLEncoder.encode(param.getValue, "UTF-8"))
      }
    }
  }

}