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/* 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 org.crp.flowable.shell.utils;

import org.apache.commons.io.IOUtils;
import org.apache.http.HttpEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.mime.MultipartEntityBuilder;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.Map.Entry;

public class HttpMultipartHelper {

    public static HttpEntity getMultiPartEntity(String name, String fileName, String contentType, InputStream fileStream, Map additionalFormFields) throws IOException {

        MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();

        if (additionalFormFields != null && !additionalFormFields.isEmpty()) {
            for (Entry field : additionalFormFields.entrySet()) {
                entityBuilder.addTextBody(field.getKey(), field.getValue());
            }
        }

        entityBuilder.addBinaryBody(name, IOUtils.toByteArray(fileStream), ContentType.create(contentType), fileName);

        return entityBuilder.build();
    }
}