src/test/java/com/googlesource/gerrit/plugins/uploadvalidator/MimeTypeDetection.java

// Copyright (C) 2020 The Android Open Source Project
//
// 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.googlesource.gerrit.plugins.uploadvalidator;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import org.overviewproject.mime_types.GetBytesException;
import org.overviewproject.mime_types.MimeTypeDetector;

class MimeTypeDetection {
  public String getMimeType(String path, byte[] content) throws IOException {
    MimeTypeDetector detector = new MimeTypeDetector();
    ByteArrayInputStream bis = new ByteArrayInputStream(content);
    try {
      return detector.detectMimeType(path, bis);
    } catch (GetBytesException e) {
      throw new IOException(e);
    }
  }
}