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/*
 * Copyright 2017 Artem Labazin .
 *
 * 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 feign.form.multipart;

import static feign.form.ContentProcessor.CRLF;

import lombok.val;

/**
 *
 * @author Artem Labazin 
 */
public class ParameterWriter extends AbstractWriter {

  @Override
  public boolean isApplicable (Object value) {
    if (value == null) {
      return false;
    }
    return value instanceof Number ||
         value instanceof String;
  }

  @Override
  protected void write (Output output, String key, Object value) throws Exception {
    val string = new StringBuilder()
        .append("Content-Disposition: form-data; name=\"").append(key).append('"').append(CRLF)
        .append("Content-Type: text/plain; charset=").append(output.getCharset().name()).append(CRLF)
        .append(CRLF)
        .append(value.toString())
        .toString();

    output.write(string);
  }
}