com.healthmarketscience.jackcess.impl

Class OleUtil

java.lang.Object

com.healthmarketscience.jackcess.impl.OleUtil

public class OleUtil
extends java.lang.Object

Utility code for working with OLE data.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static interface	OleUtil.CompoundPackageFactory Interface used to allow optional inclusion of the poi library for working with compound ole data.
(package private) static class	OleUtil.ContentImpl
(package private) static class	OleUtil.EmbeddedContentImpl
(package private) static class	OleUtil.EmbeddedPackageContentImpl
private static class	OleUtil.LinkContentImpl
(package private) static class	OleUtil.OleBlobImpl
private static class	OleUtil.OtherContentImpl
private static class	OleUtil.SimplePackageContentImpl
private static class	OleUtil.UnknownContentImpl

Field Summary

Fields

Modifier and Type	Field and Description
private static OleUtil.CompoundPackageFactory	COMPOUND_FACTORY
private static byte[]	COMPOUND_STORAGE_SIGNATURE
private static int	LINK_HEADER
private static byte[]	NO_DATA
private static java.nio.charset.Charset	OLE_CHARSET
private static int	OLE_FORMAT
private static java.nio.charset.Charset	OLE_UTF_CHARSET
private static int	OLE_VERSION
private static byte[]	PACKAGE_FOOTER
private static int	PACKAGE_OBJECT_TYPE
private static int	PACKAGE_SIGNATURE
private static int	PACKAGE_STREAM_SIGNATURE
private static int	PS_EMBEDDED_FILE
private static int	PS_LINKED_FILE
private static java.lang.String	SIMPLE_PACKAGE_TYPE
private static java.util.regex.Pattern	UNICODE_ACCENT_PATTERN
private static java.util.Set<OleBlob.ContentType>	WRITEABLE_TYPES

Constructor Summary

Constructors

Constructor and Description
OleUtil()

Method Summary

Modifier and Type	Method and Description
static OleBlob	createBlob(OleBlob.Builder oleBuilder) Creates a new OlBlob instance using the given information.
private static OleUtil.ContentImpl	createSimplePackageContent(OleUtil.OleBlobImpl blob, java.lang.String prettyName, java.lang.String className, java.lang.String typeName, java.nio.ByteBuffer blobBb, int dataBlockLen)
private static byte[]	getZeroTermStrBytes(java.lang.String str)
static OleBlob	parseBlob(byte[] bytes) Parses an access database blob structure and returns an appropriate OleBlob instance.
private static OleUtil.ContentImpl	parseContent(OleUtil.OleBlobImpl blob) creates the appropriate ContentImpl for the given blob.
private static java.lang.String	readStr(java.nio.ByteBuffer bb, int off, int len)
private static java.lang.String	readStr(java.nio.ByteBuffer bb, int off, int len, java.nio.charset.Charset charset)
private static java.lang.String	readZeroTermStr(java.nio.ByteBuffer bb)
private static byte[]	writePackageHeader(OleBlob.Builder oleBuilder, long contentLen)
private static byte[]	writePackageStreamFooter(OleBlob.Builder oleBuilder)
private static byte[]	writePackageStreamHeader(OleBlob.Builder oleBuilder)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PACKAGE_SIGNATURE

private static final int PACKAGE_SIGNATURE

See Also:

Constant Field Values

OLE_CHARSET

private static final java.nio.charset.Charset OLE_CHARSET

OLE_UTF_CHARSET

private static final java.nio.charset.Charset OLE_UTF_CHARSET

COMPOUND_STORAGE_SIGNATURE

private static final byte[] COMPOUND_STORAGE_SIGNATURE

SIMPLE_PACKAGE_TYPE

private static final java.lang.String SIMPLE_PACKAGE_TYPE

See Also:

Constant Field Values

PACKAGE_OBJECT_TYPE

private static final int PACKAGE_OBJECT_TYPE

See Also:

Constant Field Values

OLE_VERSION

private static final int OLE_VERSION

See Also:

Constant Field Values

OLE_FORMAT

private static final int OLE_FORMAT

See Also:

Constant Field Values

PACKAGE_STREAM_SIGNATURE

private static final int PACKAGE_STREAM_SIGNATURE

See Also:

Constant Field Values

PS_EMBEDDED_FILE

private static final int PS_EMBEDDED_FILE

See Also:

Constant Field Values

PS_LINKED_FILE

private static final int PS_LINKED_FILE

See Also:

Constant Field Values

WRITEABLE_TYPES

private static final java.util.Set<OleBlob.ContentType> WRITEABLE_TYPES

NO_DATA

private static final byte[] NO_DATA

LINK_HEADER

private static final int LINK_HEADER

See Also:

Constant Field Values

PACKAGE_FOOTER

private static final byte[] PACKAGE_FOOTER

UNICODE_ACCENT_PATTERN

private static final java.util.regex.Pattern UNICODE_ACCENT_PATTERN

COMPOUND_FACTORY

private static final OleUtil.CompoundPackageFactory COMPOUND_FACTORY

Constructor Detail

OleUtil

public OleUtil()

Method Detail

parseBlob

public static OleBlob parseBlob(byte[] bytes)

Parses an access database blob structure and returns an appropriate OleBlob instance.

createBlob

public static OleBlob createBlob(OleBlob.Builder oleBuilder)
                          throws java.io.IOException

Creates a new OlBlob instance using the given information.

Throws:

java.io.IOException

writePackageHeader

private static byte[] writePackageHeader(OleBlob.Builder oleBuilder,
                                         long contentLen)

writePackageStreamHeader

private static byte[] writePackageStreamHeader(OleBlob.Builder oleBuilder)

writePackageStreamFooter

private static byte[] writePackageStreamFooter(OleBlob.Builder oleBuilder)

parseContent

private static OleUtil.ContentImpl parseContent(OleUtil.OleBlobImpl blob)
                                         throws java.io.IOException

creates the appropriate ContentImpl for the given blob.

Throws:

java.io.IOException

createSimplePackageContent

private static OleUtil.ContentImpl createSimplePackageContent(OleUtil.OleBlobImpl blob,
                                                              java.lang.String prettyName,
                                                              java.lang.String className,
                                                              java.lang.String typeName,
                                                              java.nio.ByteBuffer blobBb,
                                                              int dataBlockLen)

readStr

private static java.lang.String readStr(java.nio.ByteBuffer bb,
                                        int off,
                                        int len)

readZeroTermStr

private static java.lang.String readZeroTermStr(java.nio.ByteBuffer bb)

readStr

private static java.lang.String readStr(java.nio.ByteBuffer bb,
                                        int off,
                                        int len,
                                        java.nio.charset.Charset charset)

getZeroTermStrBytes

private static byte[] getZeroTermStrBytes(java.lang.String str)