diff options
Diffstat (limited to 'bcpkix/src/main/java/org/bouncycastle/cms/CMSCompressedData.java')
-rw-r--r-- | bcpkix/src/main/java/org/bouncycastle/cms/CMSCompressedData.java | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/bcpkix/src/main/java/org/bouncycastle/cms/CMSCompressedData.java b/bcpkix/src/main/java/org/bouncycastle/cms/CMSCompressedData.java deleted file mode 100644 index e110de5..0000000 --- a/bcpkix/src/main/java/org/bouncycastle/cms/CMSCompressedData.java +++ /dev/null @@ -1,109 +0,0 @@ -package org.bouncycastle.cms; - -import java.io.IOException; -import java.io.InputStream; - -import org.bouncycastle.asn1.ASN1ObjectIdentifier; -import org.bouncycastle.asn1.ASN1OctetString; -import org.bouncycastle.asn1.cms.CompressedData; -import org.bouncycastle.asn1.cms.ContentInfo; -import org.bouncycastle.operator.InputExpander; -import org.bouncycastle.operator.InputExpanderProvider; -import org.bouncycastle.util.Encodable; - -/** - * containing class for an CMS Compressed Data object - * <pre> - * CMSCompressedData cd = new CMSCompressedData(inputStream); - * - * process(cd.getContent(new ZlibExpanderProvider())); - * </pre> - */ -public class CMSCompressedData - implements Encodable -{ - ContentInfo contentInfo; - CompressedData comData; - - public CMSCompressedData( - byte[] compressedData) - throws CMSException - { - this(CMSUtils.readContentInfo(compressedData)); - } - - public CMSCompressedData( - InputStream compressedData) - throws CMSException - { - this(CMSUtils.readContentInfo(compressedData)); - } - - public CMSCompressedData( - ContentInfo contentInfo) - throws CMSException - { - this.contentInfo = contentInfo; - - try - { - this.comData = CompressedData.getInstance(contentInfo.getContent()); - } - catch (ClassCastException e) - { - throw new CMSException("Malformed content.", e); - } - catch (IllegalArgumentException e) - { - throw new CMSException("Malformed content.", e); - } - } - - public ASN1ObjectIdentifier getContentType() - { - return contentInfo.getContentType(); - } - - /** - * Return the uncompressed content. - * - * @param expanderProvider a provider of expander algorithm implementations. - * @return the uncompressed content - * @throws CMSException if there is an exception un-compressing the data. - */ - public byte[] getContent(InputExpanderProvider expanderProvider) - throws CMSException - { - ContentInfo content = comData.getEncapContentInfo(); - - ASN1OctetString bytes = (ASN1OctetString)content.getContent(); - InputExpander expander = expanderProvider.get(comData.getCompressionAlgorithmIdentifier()); - InputStream zIn = expander.getInputStream(bytes.getOctetStream()); - - try - { - return CMSUtils.streamToByteArray(zIn); - } - catch (IOException e) - { - throw new CMSException("exception reading compressed stream.", e); - } - } - - /** - * return the ContentInfo - */ - public ContentInfo toASN1Structure() - { - return contentInfo; - } - - /** - * return the ASN.1 encoded representation of this object. - */ - public byte[] getEncoded() - throws IOException - { - return contentInfo.getEncoded(); - } -} |