/*

* Copyright © 2012 The Feign Authors (feign@commonhaus.dev)

*

* 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 feign.codec.EncodeException;

/**

* A writer interface.

*

* @author Artem Labazin

*/

public interface Writer {

/**

* Processing form data to request body.

*

* @param output output writer.

* @param boundary data boundary.

* @param key name for piece of data.

* @param value piece of data.

* @throws EncodeException in case of any encode exception

*/

void write(Output output, String boundary, String key, Object value) throws EncodeException;

/**

* Answers on question - "could this writer properly write the value".

*

* @param value object to write.

* @return {@code true} - if could write this object, otherwise {@code true}

*/

boolean isApplicable(Object value);

}