Java DocumentEntry类代码示例

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Parses a recipient directory entry which holds informations about one of possibly multiple recipients.
 * The parsed information is put into the {@link OutlookMessage} object.
 *
 * @param dir The current node in the .msg file.
 * @param msg The resulting {@link OutlookMessage} object.
 * @throws IOException Thrown if the .msg file could not be parsed.
 */
private void checkRecipientDirectoryEntry(final DirectoryEntry dir, final OutlookMessage msg)
		throws IOException {
	final OutlookRecipient recipient = new OutlookRecipient();

	// we iterate through all entries in the current directory
	for (final Iterator<?> iter = dir.getEntries(); iter.hasNext(); ) {
		final Entry entry = (Entry) iter.next();

		// check whether the entry is either a directory entry
		// or a document entry, while we are just interested in document entries on this level			
		if (!entry.isDirectoryEntry() && entry.isDocumentEntry()) {
			// a document entry contains information about the mail (e.g, from, to, subject, ...)
			checkRecipientDocumentEntry((DocumentEntry) entry, recipient);
		}
	}

	//after all properties are set -> add recipient to msg object
	msg.addRecipient(recipient);
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
@Override
public boolean test(Entry entry) {
    String entryName = entry.getName();

    if (!SummaryInformation.DEFAULT_STREAM_NAME.equals(entryName)) {
        return true;
    }

    if (!(entry instanceof DocumentEntry)) {
        return true;
    }

    DocumentEntry dsiEntry = (DocumentEntry) entry;
    sanitizeSummaryInformation(session, dsiEntry);

    return true;
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
@Test
void test1() {
    // Test an invalid stream, should be ignored
    Entry entry = mock(Entry.class);
    doReturn("\005RandomString").when(entry).getName();
    assertTrue(instance.test(entry));
    verify(instance, never()).sanitizeSummaryInformation(eq(session), (DocumentEntry) any());

    // Test a valid stream name, but wrong type (should be ignored)
    reset(entry);
    doReturn(SummaryInformation.DEFAULT_STREAM_NAME).when(entry).getName();
    assertTrue(instance.test(entry));
    verify(instance, never()).sanitizeSummaryInformation(eq(session), (DocumentEntry) any());

    reset(instance, entry);

    // Test a valid SummaryInformation name
    DocumentEntry docEntry = mock(DocumentEntry.class);

    doReturn(SummaryInformation.DEFAULT_STREAM_NAME).when(docEntry).getName();
    doNothing().when(instance).sanitizeSummaryInformation(session, docEntry);
    assertTrue(instance.test(docEntry));
    verify(instance, atLeastOnce()).sanitizeSummaryInformation(session, docEntry);
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
@Override
protected String readContent(final VFSLeaf leaf) throws IOException, DocumentException {
    BufferedInputStream bis = null;
    final StringBuilder sb = new StringBuilder();
    try {
        bis = new BufferedInputStream(leaf.getInputStream());
        final POIFSFileSystem filesystem = new POIFSFileSystem(bis);
        final Iterator<?> entries = filesystem.getRoot().getEntries();
        while (entries.hasNext()) {
            final Entry entry = (Entry) entries.next();
            final String name = entry.getName();
            if (!(entry instanceof DocumentEntry)) {
                // Skip directory entries
            } else if ("WordDocument".equals(name)) {
                collectWordDocument(filesystem, sb);
            }
        }
        return sb.toString();
    } catch (final Exception e) {
        throw new DocumentException(e.getMessage());
    } finally {
        if (bis != null) {
            bis.close();
        }
    }
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Initializes the table stream
 *
 * @throws IOException
 */
private void initTableStream() throws IOException
{
    String tablename = null;
    if(_fib.isFWhichTblStm())
    {
        tablename="1Table";
    }
    else
    {
      tablename="0Table";
    }

    DocumentEntry tableEntry = (DocumentEntry)_filesystem.getRoot().getEntry(tablename);

    //load the table stream into a buffer
    int size = tableEntry.getSize();
    _tableBuffer = new byte[size];
    _filesystem.createDocumentInputStream(tablename).read(_tableBuffer);
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Parses a directory document entry which can either be a simple entry or
 * a stream that has to be split up into multiple document entries again.
 * The parsed information is put into the {@link OutlookMessage} object.
 *
 * @param de  The current node in the .msg file.
 * @param msg The resulting {@link OutlookMessage} object.
 * @throws IOException Thrown if the .msg file could not be parsed.
 */
private void checkDirectoryDocumentEntry(final DocumentEntry de, final OutlookMessage msg)
		throws IOException {
	if (de.getName().startsWith(PROPS_KEY)) {
		//TODO: parse properties stream
		final List<DocumentEntry> deList = getDocumentEntriesFromPropertiesStream(de);
		for (final DocumentEntry deFromProps : deList) {
			final OutlookMessageProperty msgProp = getMessagePropertyFromDocumentEntry(deFromProps);
			msg.setProperty(msgProp);
		}
	} else {
		msg.setProperty(getMessagePropertyFromDocumentEntry(de));
	}
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Parses a recipient document entry which can either be a simple entry or
 * a stream that has to be split up into multiple document entries again.
 * The parsed information is put into the {@link OutlookRecipient} object.
 *
 * @param de        The current node in the .msg file.
 * @param recipient The resulting {@link OutlookRecipient} object.
 * @throws IOException Thrown if the .msg file could not be parsed.
 */
private void checkRecipientDocumentEntry(final DocumentEntry de, final OutlookRecipient recipient)
		throws IOException {
	if (de.getName().startsWith(PROPS_KEY)) {
		//TODO: parse properties stream
		final List<DocumentEntry> deList = getDocumentEntriesFromPropertiesStream(de);
		for (final DocumentEntry deFromProps : deList) {
			final OutlookMessageProperty msgProp = getMessagePropertyFromDocumentEntry(deFromProps);
			recipient.setProperty(msgProp);
		}
	} else {
		recipient.setProperty(getMessagePropertyFromDocumentEntry(de));
	}
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Reads a property from a document entry and puts it's type and data to a {@link OutlookMessageProperty} object.
 *
 * @param de The {@link DocumentEntry} to be read.
 * @return An object holding the type and data of the read property.
 * @throws IOException In case the property could not be parsed.
 */
private OutlookMessageProperty getMessagePropertyFromDocumentEntry(final DocumentEntry de)
		throws IOException {
	// analyze the document entry
	// (i.e., get class and data type)
	final OutlookFieldInformation info = analyzeDocumentEntry(de);
	// create a Java object from the data provided
	// by the input stream. depending on the field
	// information, either a String or a byte[] will
	// be returned. other datatypes are not yet supported
	final Object data = getData(de, info);
	LOGGER.trace("  Document data: {}", data);
	return new OutlookMessageProperty(info.getClazz(), data, de.getSize());
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Analyzes the {@link DocumentEntry} and returns
 * a {@link OutlookFieldInformation} object containing the
 * class (the field name, so to say) and type of
 * the entry.
 *
 * @param de The {@link DocumentEntry} that should be examined.
 * @return A {@link OutlookFieldInformation} object containing class and type of the document entry or, if the entry is not an interesting field, an empty
 * {@link OutlookFieldInformation} object containing {@link OutlookFieldInformation#UNKNOWN} class and type.
 */
private OutlookFieldInformation analyzeDocumentEntry(final DocumentEntry de) {
	final String name = de.getName();
	// we are only interested in document entries
	// with names starting with __substg1.
	LOGGER.trace("Document entry: {}", name);
	if (name.startsWith(PROPERTY_STREAM_PREFIX)) {
		final String clazz;
		final String type;
		final int mapiType;
		try {
			final String val = name.substring(PROPERTY_STREAM_PREFIX.length()).toLowerCase();
			// the first 4 digits of the remainder
			// defines the field class (or field name)
			// and the last 4 digits indicate the
			// data type.
			clazz = val.substring(0, 4);
			type = val.substring(4);
			LOGGER.trace("  Found document entry: class={}, type={}", clazz, type);
			mapiType = Integer.parseInt(type, 16);
		} catch (final RuntimeException re) {
			LOGGER.error("Could not parse directory entry {}", name, re);
			return new OutlookFieldInformation();
		}
		return new OutlookFieldInformation(clazz, mapiType);
	} else {
		LOGGER.trace("Ignoring entry with name {}", name);
	}
	// we are not interested in the field
	// and return an empty OutlookFieldInformation object
	return new OutlookFieldInformation();
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * Creates an {@link OutlookAttachment} object based on
 * the given directory entry. The entry may either
 * point to an attached file or to an
 * attached .msg file, which will be added
 * as a {@link OutlookMsgAttachment} object instead.
 *
 * @param dir The directory entry containing the attachment document entry and some other document entries describing the attachment (name, extension, mime
 *            type, ...)
 * @param msg The {@link OutlookMessage} object that this attachment should be added to.
 * @throws IOException Thrown if the attachment could not be parsed/read.
 */
private void parseAttachment(final DirectoryEntry dir, final OutlookMessage msg)
		throws IOException {

	final OutlookFileAttachment attachment = new OutlookFileAttachment();

	// iterate through all document entries
	for (final Iterator<?> iter = dir.getEntries(); iter.hasNext(); ) {
		final Entry entry = (Entry) iter.next();
		if (entry.isDocumentEntry()) {

			// the document entry may contain information about the attachment
			final DocumentEntry de = (DocumentEntry) entry;
			final OutlookMessageProperty msgProp = getMessagePropertyFromDocumentEntry(de);

			// we provide the class and data of the document entry to the attachment.
			// The attachment implementation has to know the semantics of the field names
			attachment.setProperty(msgProp);
		} else {
			// a directory within the attachment directory entry  means that a .msg file is attached at this point.
			// we recursively parse this .msg file and add it as a OutlookMsgAttachment object to the current OutlookMessage object.
			final OutlookMessage attachmentMsg = new OutlookMessage();
			final OutlookMsgAttachment msgAttachment = new OutlookMsgAttachment(attachmentMsg);
			msg.addAttachment(msgAttachment);
			checkDirectoryEntry((DirectoryEntry) entry, attachmentMsg);
		}
	}

	// only if there was really an attachment, we add this object to the OutlookMessage object
	if (attachment.getSize() > -1) {
		msg.addAttachment(attachment);
	}
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
@Override
public boolean test(Entry entry) {
    String entryName = entry.getName();

    if (!isObject(entryName)) {
        return true;
    }

    LOGGER.info("Found Compound Objects, removing them.");
    StringBuilder infos = new StringBuilder();
    if (entry instanceof DirectoryEntry) {
        Set<String> entryNames = ((DirectoryEntry) entry).getEntryNames();
        LOGGER.trace("Compound Objects' entries: {}", entryNames);
        infos.append("Entries: ").append(entryNames);
    } else if (entry instanceof DocumentEntry) {
        int size = ((DocumentEntry) entry).getSize();
        infos.append("Size: ").append(size);
    }

    Threat threat = threat()
            .type(ThreatType.EXTERNAL_CONTENT)
            .severity(ThreatSeverity.HIGH)
            .action(ThreatAction.REMOVE)
            .location(entryName)
            .details(infos.toString())
            .build();

    session.recordThreat(threat);

    return false;
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //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.DocumentEntry; //导入依赖的package包/类
@Override
public boolean test(Entry entry) {
    String entryName = entry.getName();

    // Matches _VBA_PROJECT_CUR, VBA, ... :)
    if (!isMacro(entryName)) {
        return true;
    }

    LOGGER.info("Found Macros, removing them.");
    StringBuilder infos = new StringBuilder();
    if (entry instanceof DirectoryEntry) {
        Set<String> entryNames = ((DirectoryEntry) entry).getEntryNames();
        LOGGER.trace("Macros' entries: {}", entryNames);
        infos.append("Entries: ").append(entryNames);
    } else if (entry instanceof DocumentEntry) {
        int size = ((DocumentEntry) entry).getSize();
        infos.append("Size: ").append(size);
    }

    Threat threat = threat()
            .type(ThreatType.ACTIVE_CONTENT)
            .severity(ThreatSeverity.EXTREME)
            .action(ThreatAction.REMOVE)
            .location(entryName)
            .details(infos.toString())
            .build();

    session.recordThreat(threat);

    return false;
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
/**
 * returns a {@link BlockStoreInputStream} that exposes all workbook sectors in their correct order
 *
 * @param is XLS InputStream
 * @return {@link BlockStoreInputStream} that wraps the workbook's stream
 *
 * @throws IOException if the data doesn't contain a proper MS-CFB header
 * @throws OldExcelFormatException if the file is too old to be supported
 */
static InputStream createWorkbookInputStream(final XlsInputStream is) throws IOException {
  final XlsReader xlsReader = new XlsReader(is);
  DocumentEntry workBookEntry = xlsReader.getWorkbookEntry();
  DocumentNode workbookNode = (DocumentNode) workBookEntry;

  // use proper blockStore
  final boolean useMiniStore = workbookNode.getSize() < POIFSConstants.BIG_BLOCK_MINIMUM_DOCUMENT_SIZE;
  final BlockStore blockStore = useMiniStore ? xlsReader.miniStore : xlsReader.difats;

  return new BlockStoreInputStream(is, blockStore, workbookNode.getProperty().getStartBlock());
}
 

import org.apache.poi.poifs.filesystem.DocumentEntry; //导入依赖的package包/类
public static boolean writeWordFile(String content,String filename,String path,String examPaperName) throws IOException{
	
       String head = "<html><div style=\"text-align: center\"><span style=\"font-size: 28px\"><span style=\"font-family: 黑体\">" + examPaperName + 
               "<br /> <br /> </span></span></div>";
       String tail = "</html>";
       content = head + content + tail;
       content = exampaper_formater(content);
       ByteArrayInputStream bais = null;
       FileOutputStream ostream = null;
       try{
       	if (!"".equals(path)){
       		File fileDir = new File(path);
       		if(!fileDir.exists())
       			fileDir.mkdirs();
               if (fileDir.exists()) {
               	
                   String fileName = filename;
                   byte b[] = content.getBytes("GBK");
                   bais = new ByteArrayInputStream(b);
                   POIFSFileSystem poifs = new POIFSFileSystem();
                   DirectoryEntry directory = poifs.getRoot();
                   DocumentEntry documentEntry = directory.createDocument("WordDocument", bais);
                   ostream = new FileOutputStream(path+ fileName);
                   poifs.writeFilesystem(ostream);
                   bais.close();
                   ostream.close();
               }
       	}
       }catch(IOException e){
       	bais.close();
           ostream.close();
       	e.printStackTrace();
       	throw e;
       }
       return true;
}