Java DocumentInputStream类代码示例

import org.apache.poi.poifs.filesystem.DocumentInputStream; //导入依赖的package包/类
protected void sanitizeSummaryInformation(BleachSession session, DocumentEntry dsiEntry) {
    try (DocumentInputStream dis = new DocumentInputStream(dsiEntry)) {
        PropertySet ps = new PropertySet(dis);
        // Useful for debugging purposes
        // LOGGER.debug("PropertySet sections: {}", ps.getSections());
        SummaryInformation dsi = new SummaryInformation(ps);

        sanitizeSummaryInformation(session, dsi);
    } catch (NoPropertySetStreamException | UnexpectedPropertySetTypeException | MarkUnsupportedException | IOException e) {
        LOGGER.error("An error occured while trying to sanitize the document entry", e);
    }
}
 

import org.apache.poi.poifs.filesystem.DocumentInputStream; //导入依赖的package包/类
/**
 * 압축된 스트림을 읽어 압축을 풀어서 압축 풀린 데이터로 InputStream을 만든다.
 * 
 * @param de
 *            스트림을 가리키는 Apache POI 객체
 * @throws Exception
 */
private void setByteArrayInputStream(DocumentEntry de) throws Exception {
	DocumentInputStream dis = new DocumentInputStream(de);
	byte[] compressed = getCompressedBytes(dis, de.getSize());
	dis.close();

	byte[] decompressed = decompress(compressed);
	bis = new ByteArrayInputStream(decompressed);
	setSize(decompressed.length);
}
 

import org.apache.poi.poifs.filesystem.DocumentInputStream; //导入依赖的package包/类
private static void checkCompoundStorage(OleBlob.CompoundContent cc, 
                                         Attachment attach)
  throws Exception
{
  File tmpData = File.createTempFile("attach_", ".dat");

  try {
    FileOutputStream fout = new FileOutputStream(tmpData);
    fout.write(attach.getFileData());
    fout.close();

    NPOIFSFileSystem attachFs = new NPOIFSFileSystem(tmpData, true);

    for(OleBlob.CompoundContent.Entry e : cc) {
      DocumentEntry attachE = null;
      try {
        attachE = CompoundOleUtil.getDocumentEntry(e.getName(), attachFs.getRoot());
      } catch(FileNotFoundException fnfe) {
        // ignored, the ole data has extra entries
        continue;
      }

      byte[] attachEBytes = toByteArray(new DocumentInputStream(attachE), 
                                        attachE.getSize());
      byte[] entryBytes = toByteArray(e.getStream(), e.length());

      assertTrue(Arrays.equals(attachEBytes, entryBytes));
    }

    ByteUtil.closeQuietly(attachFs);
    
  } finally {
    tmpData.delete();
  }    
}
 

import org.apache.poi.poifs.filesystem.DocumentInputStream; //导入依赖的package包/类
public InputStream getStream() throws IOException {
  return new DocumentInputStream(_docEntry);
}
 

import org.apache.poi.poifs.filesystem.DocumentInputStream; //导入依赖的package包/类
/**
 * 생성자
 * 
 * @param de
 *            스트림을 가리키는 Apache POI 객체
 * @param fileVersion
 * @throws IOException
 */
public StreamReaderForNormal(DocumentEntry de, FileVersion fileVersion)
		throws IOException {
	super();
	dis = new DocumentInputStream(de);
	setSize(de.getSize());
	setFileVersion(fileVersion);
}
 

import org.apache.poi.poifs.filesystem.DocumentInputStream; //导入依赖的package包/类
/**
 * 스트림에서 압축된 데이터를 읽는다.
 * 
 * @param dis
 *            스트림을 읽기 위한 Apache POI InputStream 객체
 * @param size
 *            읽을 크기
 * @return 압축된 데이터
 * @throws IOException
 */
private byte[] getCompressedBytes(DocumentInputStream dis, int size)
		throws IOException {
	byte[] buffer = new byte[size];
	dis.read(buffer);
	return buffer;
}