DocumentType.java

/*
** Module   : DocumentType.java
** Abstract : DocumentType lists available document's types.
**
** Copyright (c) 2017, Golden Code Development Corporation.
**
** -#- -I- --Date-- ----------------Description----------------------
** 001 SBI 20170601 Created initial version.
*/
/*
** This program is free software: you can redistribute it and/or modify
** it under the terms of the GNU Affero General Public License as
** published by the Free Software Foundation, either version 3 of the
** License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU Affero General Public License for more details.
**
** You may find a copy of the GNU Affero GPL version 3 at the following
** location: https://www.gnu.org/licenses/agpl-3.0.en.html
** 
** Additional terms under GNU Affero GPL version 3 section 7:
** 
**   Under Section 7 of the GNU Affero GPL version 3, the following additional
**   terms apply to the works covered under the License.  These additional terms
**   are non-permissive additional terms allowed under Section 7 of the GNU
**   Affero GPL version 3 and may not be removed by you.
** 
**   0. Attribution Requirement.
** 
**     You must preserve all legal notices or author attributions in the covered
**     work or Appropriate Legal Notices displayed by works containing the covered
**     work.  You may not remove from the covered work any author or developer
**     credit already included within the covered work.
** 
**   1. No License To Use Trademarks.
** 
**     This license does not grant any license or rights to use the trademarks
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*/


package com.goldencode.p2j.admin.shared;


/**
 * DocumentType lists available document's types.
 */
public enum DocumentType
{
   /**
    * Characterizes a text document
    */
   TEXT("plain/text", "txt"),
   
   /**
    * Characterizes a  pdf document, the default document type.
    */
   PDF("application/pdf", "pdf");
   
   /**
    * A standard web document type (MIME) associated with this document
    */
   private final String mimeType;
   
   /**
    * A default well-known file extension associated with this document
    */
   private final String extension;
   
   /**
    * Constructs this enumeration constant.
    * 
    * @param    mimeType
    *           A document's MIME type
    * @param    extension
    *           A file extension
    */
   private DocumentType(String mimeType, String extension)
   {
      this.mimeType = mimeType;
      this.extension = extension;
   }

   /**
    * Returns a document's MIME type for a document having this type.
    * 
    * @return   a document's MIME type
    */
   public String getMimeType()
   {
      return mimeType;
   }
   
   /**
    * Returns a file extension for a document having this type.
    * 
    * @return   a document's file extension
    */
   public String getExtension()
   {
      return extension;
   }
   
   
   /**
    * Returns a corresponding enumeration constant by its name. If a target name doesn't have
    * its enumeration type, then PDF is returned by default and it doesn't throw any exception.
    * 
    * @param    name
    *           A target constant name
    * 
    * @return   The document type
    */
   public static DocumentType get(String name)
   {
      DocumentType docType;
      try
      {
         docType = DocumentType.valueOf(name);
      }
      catch(IllegalArgumentException | NullPointerException ex)
      {
         docType = DocumentType.PDF;
      }
      
      return docType;
   }
}