ContentStream.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2020 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * 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 should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.elephant.download;
 
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
 
public class ContentStream {
 
  private final File file;
  private final String fileName;
  private final long fileSize;
 
  public ContentStream(File file) {
    this.file = file;
    this.fileName = file.getName();
    this.fileSize = file.length();
  }
  
  public ContentStream(String fileName, long fileSize) {
    this.file = null;
    this.fileName = fileName;
    this.fileSize = fileSize;
  }
 
  public String getAbsolutePath() {
    return file.getAbsolutePath();
  }
  
  public String getFileName() {
    return fileName;
  }
 
  public long getFileSize() {
    return fileSize;
  }
  
  public InputStream getInputStream() throws FileNotFoundException {
    if(file != null) {
      return new FileInputStream(file);
    } else {
      return doInputStream();
    }
  }
 
  protected InputStream doInputStream() {
    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
  }
  
}