/*

* 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 static feign.form.util.PojoUtil.isUserPojo;

import static feign.form.util.PojoUtil.toMap;

import static lombok.AccessLevel.PRIVATE;

import feign.codec.EncodeException;

import lombok.RequiredArgsConstructor;

import lombok.experimental.FieldDefaults;

import lombok.val;

/**

* A custom user's POJO writer.

*

* @author Artem Labazin

*/

@RequiredArgsConstructor

@FieldDefaults(level = PRIVATE, makeFinal = true)

public class PojoWriter extends AbstractWriter {

Iterable<Writer> writers;

@Override

public boolean isApplicable(Object object) {

return isUserPojo(object);

}

@Override

public void write(Output output, String boundary, String key, Object object)

throws EncodeException {

val map = toMap(object);

for (val entry : map.entrySet()) {

val writer = findApplicableWriter(entry.getValue());

if (writer == null) {

continue;

}

writer.write(output, boundary, entry.getKey(), entry.getValue());

}

}

private Writer findApplicableWriter(Object value) {

for (val writer : writers) {

if (writer.isApplicable(value)) {

return writer;

}

}

return null;

}

}