Example usage for org.bouncycastle.cms.jcajce ZlibExpanderProvider ZlibExpanderProvider

Introduction

In this page you can find the example usage for org.bouncycastle.cms.jcajce ZlibExpanderProvider ZlibExpanderProvider.

Prototype

public ZlibExpanderProvider() 

Source Link

Document

Base constructor.

Usage

From source file:com.zotoh.crypto.CryptoUte.java

License:Open Source License

/**
 * @param inp/*from w w  w .  j  av  a 2 s.c  om*/
 * @return
 * @throws GeneralSecurityException
 * @throws IOException
 */
public static StreamData decompressAsStream(InputStream inp) throws GeneralSecurityException, IOException {
    CMSTypedStream cms = null;
    StreamData r = null;

    if (inp != null)
        try {
            cms = new CMSCompressedDataParser(inp).getContent(new ZlibExpanderProvider());
            if (cms == null) {
                throw new GeneralSecurityException("Failed to decompress stream: corrupted content");
            }
            r = readStream(cms.getContentStream());
        } catch (CMSException e) {
            throw new GeneralSecurityException(e);
        }

    return r != null ? r : new StreamData();
}

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From source file:de.mendelson.comm.as2.message.AS2MessageParser.java

/**
 * Uncompresses message data/*  w w  w. java 2 s  . co  m*/
 */
public byte[] decompressData(AS2MessageInfo info, SMIMECompressed compressed, long compressedSize)
        throws Exception {
    byte[] decompressedData = compressed.getContent(new ZlibExpanderProvider());
    info.setCompressionType(AS2Message.COMPRESSION_ZLIB);
    if (this.logger != null) {
        this.logger.log(Level.INFO,
                this.rb.getResourceString("data.compressed.expanded",
                        new Object[] { info.getMessageId(), AS2Tools.getDataSizeDisplay(compressedSize),
                                AS2Tools.getDataSizeDisplay(decompressedData.length) }),
                info);
    }
    return (decompressedData);
}

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From source file:de.mendelson.comm.as2.message.AS2MessageParser.java

/**
 * Looks if the data is compressed and decompresses it if necessary
 *///  w  w w .j  ava  2 s. co m
public Part decompressData(Part part, AS2Message message) throws Exception {
    Part compressedPart = this.getCompressedEmbeddedPart(part);
    if (compressedPart == null) {
        return (part);
    }
    SMIMECompressed compressed = null;
    if (compressedPart instanceof MimeBodyPart) {
        compressed = new SMIMECompressed((MimeBodyPart) compressedPart);
    } else {
        compressed = new SMIMECompressed((MimeMessage) compressedPart);
    }
    byte[] decompressedData = compressed.getContent(new ZlibExpanderProvider());
    ((AS2MessageInfo) message.getAS2Info()).setCompressionType(AS2Message.COMPRESSION_ZLIB);
    if (this.logger != null) {
        this.logger.log(Level.INFO,
                this.rb.getResourceString("data.compressed.expanded",
                        new Object[] { message.getAS2Info().getMessageId(),
                                AS2Tools.getDataSizeDisplay(part.getSize()),
                                AS2Tools.getDataSizeDisplay(decompressedData.length) }),
                message.getAS2Info());
    }
    ByteArrayInputStream memIn = new ByteArrayInputStream(decompressedData);
    MimeBodyPart uncompressedPayload = new MimeBodyPart(memIn);
    memIn.close();
    return (uncompressedPayload);
}

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From source file:de.mendelson.util.security.BCCryptoHelper.java

/**
 * Uncompresses a data stream/*w  w  w  .j a v a2  s .  c  o  m*/
 */
public void uncompressCMS(InputStream compressed, OutputStream uncompressed) throws Exception {
    CMSCompressedDataParser compressedParser = new CMSCompressedDataParser(new BufferedInputStream(compressed));
    this.copyStreams(compressedParser.getContent(new ZlibExpanderProvider()).getContentStream(), uncompressed);
    uncompressed.flush();
}

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