UploadedFileContentType.java

package org.springframework.roo.classpath.operations.jsr303;

/**
 * The Internet media type or content-type of an uploaded file.
 * <p>
 * Only common content types are included.
 * 
 * @author Alan Stewart
 * @since 1.2.0
 */
public enum UploadedFileContentType {
  CSS("text/css"), CSV("text/csv"), DOC("application/msword"), GIF("image/gif"), HTML("text/html"), JAVASCRIPT(
      "text/javascript"), JPG("image/jpeg"), JSON("application/json"), MP3("audio/mpeg"), MP4(
      "audio/mp4"), MPEG("video/mpeg"), PDF("application/pdf"), PNG("image/png"), TXT("text/plain"), XLS(
      "application/vnd.ms-excel"), XML("text/xml"), ZIP("application/zip");

  public static UploadedFileContentType getFileExtension(final String contentType) {
    for (final UploadedFileContentType uploadedFileContentType : UploadedFileContentType.values()) {
      if (uploadedFileContentType.getContentType().equals(contentType)) {
        return uploadedFileContentType;
      }
    }
    throw new IllegalStateException("Unknown content type '" + contentType + "'");
  }

  private String contentType;

  private UploadedFileContentType(final String contentType) {
    this.contentType = contentType;
  }

  public String getContentType() {
    return contentType;
  }
}