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

Introduction

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

Prototype

public DocumentEntry createDocument(final String name, final InputStream stream) throws IOException;

Source Link

Document

create a new DocumentEntry

Usage

From source file:net.sf.mpxj.utility.MppClean.java

License:Open Source License

/**
 * Extracts a block of data from the MPP file, and iterates through the map
 * of find/replace pairs to make the data anonymous.
 * //from   ww  w  .  j a  v  a 2 s .c  om
 * @param parentDirectory parent directory object
 * @param fileName target file name
 * @param replacements find/replace data
 * @param unicode true for double byte text
 * @throws IOException
 */
private void processReplacements(DirectoryEntry parentDirectory, String fileName,
        Map<String, String> replacements, boolean unicode) throws IOException {
    //
    // Populate a list of keys and sort into descending order of length
    //
    List<String> keys = new ArrayList<String>(replacements.keySet());
    Collections.sort(keys, new Comparator<String>() {
        @Override
        public int compare(String o1, String o2) {
            return (o2.length() - o1.length());
        }
    });

    //
    // Extract the raw file data
    //
    DocumentEntry targetFile = (DocumentEntry) parentDirectory.getEntry(fileName);
    DocumentInputStream dis = new DocumentInputStream(targetFile);
    int dataSize = dis.available();
    byte[] data = new byte[dataSize];
    dis.read(data);

    //
    // Replace the text
    //
    for (String findText : keys) {
        String replaceText = replacements.get(findText);
        replaceData(data, findText, replaceText, unicode);
    }

    //
    // Remove the document entry
    //
    targetFile.delete();

    //
    // Replace it with a new one
    //
    parentDirectory.createDocument(fileName, new ByteArrayInputStream(data));
}

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From source file:net.sf.mpxj.utility.MppCleanUtility.java

License:Open Source License

/**
 * Extracts a block of data from the MPP file, and iterates through the map
 * of find/replace pairs to make the data anonymous.
 * /* www. ja v  a2  s  .  co  m*/
 * @param parentDirectory parent directory object
 * @param fileName target file name
 * @param replacements find/replace data
 * @param unicode true for double byte text
 * @throws IOException
 */
private void processReplacements(DirectoryEntry parentDirectory, String fileName,
        Map<String, String> replacements, boolean unicode) throws IOException {
    //
    // Populate a list of keys and sort into descending order of length
    //
    List<String> keys = new ArrayList<String>(replacements.keySet());
    Collections.sort(keys, new Comparator<String>() {
        @Override
        public int compare(String o1, String o2) {
            return (o2.length() - o1.length());
        }
    });

    //
    // Extract the raw file data
    //
    DocumentEntry targetFile = (DocumentEntry) parentDirectory.getEntry(fileName);
    DocumentInputStream dis = new DocumentInputStream(targetFile);
    int dataSize = dis.available();
    byte[] data = new byte[dataSize];
    dis.read(data);
    dis.close();

    //
    // Replace the text
    //
    for (String findText : keys) {
        String replaceText = replacements.get(findText);
        replaceData(data, findText, replaceText, unicode);
    }

    //
    // Remove the document entry
    //
    targetFile.delete();

    //
    // Replace it with a new one
    //
    parentDirectory.createDocument(fileName, new ByteArrayInputStream(data));
}

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From source file:org.elasticwarehouse.core.parsers.FileEmbeddedDocumentExtractor.java

License:Apache License

protected void copy(DirectoryEntry sourceDir, DirectoryEntry destDir) throws IOException {
    for (org.apache.poi.poifs.filesystem.Entry entry : sourceDir) {
        if (entry instanceof DirectoryEntry) {
            // Need to recurse
            DirectoryEntry newDir = destDir.createDirectory(entry.getName());
            copy((DirectoryEntry) entry, newDir);
        } else {/*from  ww  w  .j  a v  a2 s  .  c  o  m*/
            // Copy entry
            InputStream contents = new DocumentInputStream((DocumentEntry) entry);
            try {
                destDir.createDocument(entry.getName(), contents);
            } finally {
                contents.close();
            }
        }
    }
}

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