com.griddynamics.deming.ecommerce.cms.file.service.MultipartFileAdapter.java Source code

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Here is the source code for com.griddynamics.deming.ecommerce.cms.file.service.MultipartFileAdapter.java

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/*
* Copyright 2013 Grid Dynamics, Inc.
*
* 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.griddynamics.deming.ecommerce.cms.file.service;

import org.apache.commons.io.IOUtils;
import org.springframework.web.multipart.MultipartFile;

import java.io.*;

public class MultipartFileAdapter implements MultipartFile {

    private String name;
    private String originalFileName;
    private byte[] bytes;

    public MultipartFileAdapter(InputStream inputStream, String path) throws IOException {
        this.name = path;
        this.originalFileName = path;

        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        IOUtils.copy(inputStream, byteArrayOutputStream);

        this.bytes = byteArrayOutputStream.toByteArray();
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public String getOriginalFilename() {
        return originalFileName;
    }

    @Override
    public String getContentType() {
        return null;
    }

    @Override
    public boolean isEmpty() {
        return bytes.length == 0;
    }

    @Override
    public long getSize() {
        return bytes.length;
    }

    @Override
    public byte[] getBytes() throws IOException {
        return bytes;
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return new ByteArrayInputStream(bytes);
    }

    @Override
    public void transferTo(File file) throws IOException, IllegalStateException {
        throw new UnsupportedOperationException();
    }
}