Example usage for org.apache.poi.poifs.filesystem DirectoryEntry getEntry

Introduction

In this page you can find the example usage for org.apache.poi.poifs.filesystem DirectoryEntry getEntry.

Prototype

public Entry getEntry(final String name) throws FileNotFoundException;

Source Link

Document

get a specified Entry by name

Usage

From source file:com.auxilii.msgparser.MsgParser.java

License:Open Source License

private void parseMsg(DirectoryEntry dir, Message msg) throws IOException {
    DocumentEntry propertyEntry = (DocumentEntry) dir.getEntry("__properties_version1.0");
    try (DocumentInputStream propertyStream = new DocumentInputStream(propertyEntry)) {
        propertyStream.skip(8);//from  w  w w  .j  a  v  a  2s.  co  m
        int nextRecipientId = propertyStream.readInt();
        int nextAttachmentId = propertyStream.readInt();
        int recipientCount = propertyStream.readInt();
        int attachmentCount = propertyStream.readInt();
        boolean topLevel = dir.getParent() == null;
        if (topLevel) {
            propertyStream.skip(8);
        }

        for (int index = 0; index < recipientCount; index++) {
            DirectoryEntry entry = (DirectoryEntry) dir
                    .getEntry(String.format("__recip_version1.0_#%08X", index));
            parseRecipient(entry, msg);
        }
        for (int index = 0; index < attachmentCount; index++) {
            DirectoryEntry entry = (DirectoryEntry) dir
                    .getEntry(String.format("__attach_version1.0_#%08X", index));
            parseAttachment(entry, msg);
        }
        while (propertyStream.available() > 0) {
            msg.setProperty(new Property(propertyStream, dir));
        }
    }
}

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From source file:com.auxilii.msgparser.MsgParser.java

License:Open Source License

/**
 * Parses a recipient directory entry which holds informations about one of possibly multiple recipients.
 * The parsed information is put into the {@link Message} object.
 *
 * @param dir The current node in the .msg file.
 * @param msg The resulting {@link Message} object.
 * @throws IOException Thrown if the .msg file could not
 *  be parsed.//  w ww.  j  a  v a2 s .c  om
 */
protected void parseRecipient(DirectoryEntry dir, Message msg) throws IOException {
    RecipientEntry recipient = new RecipientEntry();
    DocumentEntry propertyEntry = (DocumentEntry) dir.getEntry("__properties_version1.0");
    try (DocumentInputStream propertyStream = new DocumentInputStream(propertyEntry)) {
        propertyStream.skip(8);
        while (propertyStream.available() > 0) {
            recipient.setProperty(new Property(propertyStream, dir));
        }
    }

    msg.addRecipient(recipient);
}

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From source file:com.auxilii.msgparser.MsgParser.java

License:Open Source License

private void parseEmbeddedMessage(DirectoryEntry dir, Message msg) throws IOException {
    DirectoryEntry entry = (DirectoryEntry) dir.getEntry("__substg1.0_3701000D");
    Message attachmentMsg = new Message();
    MsgAttachment msgAttachment = new MsgAttachment();
    msgAttachment.setMessage(attachmentMsg);

    parseMsg(entry, attachmentMsg);//  ww w .j  av  a  2 s  .  c o  m

    msg.addAttachment(msgAttachment);
}

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From source file:com.auxilii.msgparser.MsgParser.java

License:Open Source License

private void ParseFileAttachment(DirectoryEntry dir, Message msg) throws IOException {
    FileAttachment fileAttachment = new FileAttachment();
    DocumentEntry propertyEntry = (DocumentEntry) dir.getEntry("__properties_version1.0");
    try (DocumentInputStream propertyStream = new DocumentInputStream(propertyEntry)) {
        propertyStream.skip(8);/*from   ww  w  . j  a v  a  2s.co m*/
        while (propertyStream.available() > 0) {
            Property property = new Property(propertyStream, dir);
            fileAttachment.setProperty(property.getPid(), property.getValue());
        }
    }

    msg.addAttachment(fileAttachment);
}

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From source file:com.healthmarketscience.jackcess.impl.CompoundOleUtil.java

License:Apache License

/**
 * Gets a DocumentEntry from compound storage based on a fully qualified,
 * encoded entry name.//from   w  ww.  j av  a  2s.  c  om
 *
 * @param entryName fully qualified, encoded entry name
 * @param dir root directory of the compound storage
 *
 * @return the relevant DocumentEntry
 * @throws FileNotFoundException if the entry does not exist
 * @throws IOException if some other io error occurs
 */
public static DocumentEntry getDocumentEntry(String entryName, DirectoryEntry dir) throws IOException {
    // split entry name into individual components and decode them
    List<String> entryNames = new ArrayList<String>();
    for (String str : entryName.split(ENTRY_SEPARATOR)) {
        if (str.length() == 0) {
            continue;
        }
        entryNames.add(decodeEntryName(str));
    }

    DocumentEntry entry = null;
    Iterator<String> iter = entryNames.iterator();
    while (iter.hasNext()) {
        org.apache.poi.poifs.filesystem.Entry tmpEntry = dir.getEntry(iter.next());
        if (tmpEntry instanceof DirectoryEntry) {
            dir = (DirectoryEntry) tmpEntry;
        } else if (!iter.hasNext() && (tmpEntry instanceof DocumentEntry)) {
            entry = (DocumentEntry) tmpEntry;
        } else {
            break;
        }
    }

    if (entry == null) {
        throw new FileNotFoundException("Could not find document " + entryName);
    }

    return entry;
}

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From source file:com.oneis.graphics.ThumbnailFinder.java

License:Mozilla Public License

/**
 * Try and get a thumbnail from an old Microsoft Office document
 */// w ww . j a  va  2  s.com
private void findFromOldMSOffice() {
    try {
        File poiFilesystem = new File(inFilename);

        // Open the POI filesystem.
        InputStream is = new FileInputStream(poiFilesystem);
        POIFSFileSystem poifs = new POIFSFileSystem(is);
        is.close();

        // Read the summary information.
        DirectoryEntry dir = poifs.getRoot();
        DocumentEntry siEntry = (DocumentEntry) dir.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
        DocumentInputStream dis = new DocumentInputStream(siEntry);
        PropertySet ps = new PropertySet(dis);
        dis.close();
        SummaryInformation si = new SummaryInformation(ps);
        if (si != null) {
            byte[] thumbnailData = si.getThumbnail();
            if (thumbnailData != null) {
                Thumbnail thumbnail = new Thumbnail(thumbnailData);
                byte[] wmf = thumbnail.getThumbnailAsWMF();
                // Got something!
                thumbnailDimensions = tryWMFFormat(new ByteArrayInputStream(wmf), outFilename, outFormat,
                        maxDimension);
            }
        }
    } catch (Exception e) {
        logIgnoredException("ThumbnailFinder Apache POI file reading failed", e);
    }
}

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From source file:edu.ku.brc.specify.tasks.subpane.wb.ConfigureXLS.java

License:Open Source License

/**
 * @param poifs//from   w ww .j ava 2 s.c  om
 * @returns the DocumentSummaryInformation for poifs, or null if no DocumentSummaryInformation is found.
 */
protected DocumentSummaryInformation getDocSummary(final POIFSFileSystem poifs) {
    DirectoryEntry dir = poifs.getRoot();
    DocumentSummaryInformation result = null;
    try {
        DocumentEntry dsiEntry = (DocumentEntry) dir.getEntry(DocumentSummaryInformation.DEFAULT_STREAM_NAME);
        DocumentInputStream dis = new DocumentInputStream(dsiEntry);
        PropertySet ps = new PropertySet(dis);
        dis.close();
        result = new DocumentSummaryInformation(ps);
    } catch (FileNotFoundException ex) {
        // There is no document summary information. 
        result = null;
    }
    /*
     * just returning null if anything weird happens. If there is a problem with the xls file,
     * something else will probably blow up later. 
    */
    catch (IOException ex) {
        edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ConfigureXLS.class, ex);
        log.debug(ex);
        result = null;
    } catch (NoPropertySetStreamException ex) {
        //edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        //edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ConfigureXLS.class, ex);
        log.debug(ex);
        result = null;
    } catch (MarkUnsupportedException ex) {
        //edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        //edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ConfigureXLS.class, ex);
        log.debug(ex);
        result = null;
    } catch (UnexpectedPropertySetTypeException ex) {
        //edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        //edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ConfigureXLS.class, ex);
        log.debug(ex);
        result = null;
    } catch (IllegalPropertySetDataException ex) {
        //edu.ku.brc.af.core.UsageTracker.incrHandledUsageCount();
        //edu.ku.brc.exceptions.ExceptionTracker.getInstance().capture(ConfigureXLS.class, ex);
        log.debug(ex);
        result = null;
    }
    return result;
}

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From source file:gov.nih.nci.evs.app.neopl.XLSXMetadataUtils.java

License:Open Source License

public static String getSummaryData(String filename, String key) {
    String value = null;/*from  ww  w.ja  v a  2 s .c o m*/
    FileInputStream stream = null;
    try {
        stream = new FileInputStream(new File(filename));
        POIFSFileSystem poifs = null;
        try {
            poifs = new POIFSFileSystem(stream);
        } catch (Exception e) {
            stream.close();
            return getPOISummaryData(filename, key);
        }
        DirectoryEntry dir = poifs.getRoot();
        DocumentEntry siEntry = (DocumentEntry) dir.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
        if (siEntry != null) {
            DocumentInputStream dis = new DocumentInputStream(siEntry);
            PropertySet ps = new PropertySet(dis);
            SummaryInformation si = new SummaryInformation(ps);

            if (key.compareTo(SUMMARY_DATA_AUTHOR) == 0) {
                value = si.getAuthor();
            } else if (key.compareTo(SUMMARY_DATA_KEYWORDS) == 0) {
                value = si.getKeywords();
            } else if (key.compareTo(SUMMARY_DATA_TITLE) == 0) {
                value = si.getTitle();
            } else if (key.compareTo(SUMMARY_DATA_SUBJECT) == 0) {
                value = si.getSubject();
            }
        }
    } catch (Exception ex) {
        ex.getStackTrace();
    } finally {
        try {
            stream.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    return value;
}

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From source file:gov.nih.nci.evs.app.neopl.XLSXMetadataUtils.java

License:Open Source License

public static String getAuthor(File file) {
    String author = null;/*from ww  w.  j av  a 2 s . c  om*/
    try {
        FileInputStream stream = new FileInputStream(file);
        POIFSFileSystem poifs = null;
        try {
            poifs = new POIFSFileSystem(stream);
        } catch (Exception e) {
            stream.close();
            return getCreator(file);
        }
        DirectoryEntry dir = null;
        try {
            dir = poifs.getRoot();
        } catch (Exception ex) {
            System.out.println("DirectoryEntry is NULL???");
            return null;
        }
        DocumentEntry siEntry = (DocumentEntry) dir.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
        if (siEntry != null) {
            DocumentInputStream dis = new DocumentInputStream(siEntry);
            PropertySet ps = new PropertySet(dis);
            SummaryInformation si = new SummaryInformation(ps);
            author = si.getAuthor();
        }
        stream.close();
    } catch (Exception ex) {
        ex.getStackTrace();
    }
    return author;
}

---

From source file:gov.nih.nci.evs.app.neopl.XLSXMetadataUtils.java

License:Open Source License

public static void setAuthor(String filename, String author) {
    try {/*from w  ww  . ja v a  2s  . c  o  m*/
        FileInputStream stream = new FileInputStream(new File(filename));
        POIFSFileSystem poifs = new POIFSFileSystem(stream);
        DirectoryEntry dir = poifs.getRoot();

        System.out.println("SummaryInformation.DEFAULT_STREAM_NAME: " + SummaryInformation.DEFAULT_STREAM_NAME);

        DocumentEntry siEntry = (DocumentEntry) dir.getEntry(SummaryInformation.DEFAULT_STREAM_NAME);
        DocumentInputStream dis = new DocumentInputStream(siEntry);
        PropertySet ps = new PropertySet(dis);
        SummaryInformation si = new SummaryInformation(ps);

        System.out.println("SummaryInformation setAuthor: " + author);

        si.setAuthor(author);

        OutputStream outStream = null;
        outStream = new FileOutputStream(new File(filename));
        byte[] buffer = new byte[1024];
        int length;

        while ((length = stream.read(buffer)) > 0) {
            outStream.write(buffer, 0, length);
        }
        outStream.close();
        stream.close();

    } catch (Exception ex) {
        ex.getStackTrace();
    }
}

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