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See:
Description
| Interface Summary | |
|---|---|
| DelayableLittleEndianOutput | Implementors of this interface allow client code to 'delay' writing to a certain section of a
data output stream. A typical application is for writing BIFF records when the size is not known until well after the header has been written. |
| FixedField | behavior of a field at a fixed location within a byte array |
| LittleEndianConsts | a repository for constants shared by classes within this package |
| LittleEndianInput | |
| LittleEndianOutput | |
| TempFileCreationStrategy | Interface used by the TempFile utility class to create temporary files. |
| Class Summary | |
|---|---|
| ArrayUtil | Utility classes for dealing with arrays. |
| BitField | Manage operations dealing with bit-mapped fields. |
| BitFieldFactory | Returns immutable Bitfield instances. |
| BoundedInputStream | This is a stream that will only supply bytes up to a certain length - if its position goes above that, it will stop. |
| ByteField | representation of a byte (8-bit) field at a fixed location within a byte array |
| CloseIgnoringInputStream | A wrapper around an InputStream, which
ignores close requests made to it. |
| CodePageUtil | Utilities for working with Microsoft CodePages. |
| CommonsLogger | A logger class that strives to make it as easy as possible for developers to write log calls, while simultaneously making those calls as cheap as possible by performing lazy evaluation of the log message. |
| Configurator | Helper for fetching int values from system properties |
| DefaultTempFileCreationStrategy | Default implementation of the TempFileCreationStrategy used by TempFile:
Files are collected into one directory and by default are deleted on exit from the VM. |
| DrawingDump | Dump out the aggregated escher records |
| FontMetricsDumper | |
| HexDump | dump data in hexadecimal format |
| HexRead | Utilities to read hex from files. |
| IntegerField | representation of an integer (32-bit) field at a fixed location within a byte array |
| IntList | A List of int's; as full an implementation of the java.util.List interface as possible, with an eye toward minimal creation of objects the mimicry of List is as follows: if possible, operations designated 'optional' in the List interface are attempted wherever the List interface refers to an Object, substitute int wherever the List interface refers to a Collection or List, substitute IntList the mimicry is not perfect, however: operations involving Iterators or ListIterators are not supported remove(Object) becomes removeValue to distinguish it from remove(int index) subList is not supported |
| IntMapper<T> | A List of objects that are indexed AND keyed by an int; also allows for getting the index of a value in the list |
| IOUtils | |
| JvmBugs | |
| LittleEndian | a utility class for handling little-endian numbers, which the 80x86 world is replete with. |
| LittleEndianByteArrayInputStream | Adapts a plain byte array to LittleEndianInput |
| LittleEndianByteArrayOutputStream | Adapts a plain byte array to LittleEndianOutput |
| LittleEndianCP950Reader | Stream that converts CP950 (MSOffice's dialect of Big5), with zero-byte padding for ASCII and in LittleEndianOrder. |
| LittleEndianInputStream | Wraps an InputStream providing LittleEndianInput |
| LittleEndianOutputStream | |
| LocaleUtil | This utility class is used to set locale and time zone settings beside
of the JDK internal Locale.setDefault(Locale) and
TimeZone.setDefault(TimeZone) methods, because
the locale/time zone specific handling of certain office documents -
maybe for different time zones / locales ... |
| LongField | representation of a long (16-bit) field at a fixed location within a byte array |
| LZWDecompresser | This class provides common functionality for the various LZW implementations in the different file formats. |
| NullLogger | A logger class that strives to make it as easy as possible for developers to write log calls, while simultaneously making those calls as cheap as possible by performing lazy evaluation of the log message. |
| PngUtils | |
| POILogFactory | Provides logging without clients having to mess with configuration/initialization. |
| POILogger | A logger interface that strives to make it as easy as possible for developers to write log calls, while simultaneously making those calls as cheap as possible by performing lazy evaluation of the log message. |
| ReplacingInputStream | Simple FilterInputStream that can replace occurrences of bytes with something else. |
| RLEDecompressingInputStream | Wrapper of InputStream which provides Run Length Encoding (RLE) decompression on the fly. |
| ShortField | representation of a short (16-bit) field at a fixed location within a byte array |
| StaxHelper | Provides handy methods for working with StAX parsers and readers |
| StringUtil | Collection of string handling utilities |
| StringUtil.StringsIterator | An Iterator over an array of Strings. |
| SystemOutLogger | A logger class that strives to make it as easy as possible for developers to write log calls, while simultaneously making those calls as cheap as possible by performing lazy evaluation of the log message. |
| TempFile | Interface for creating temporary files. |
| TempFile.DefaultTempFileCreationStrategy | Deprecated. POI 3.15 beta 3. |
| Units | |
| XMLHelper | Helper methods for working with javax.xml classes. |
| Exception Summary | |
|---|---|
| DocumentFormatException | This is similar to RecordFormatException, except this is thrown
when there's a higher order problem with parsing a document beyond individual records. |
| LittleEndian.BufferUnderrunException | Exception to handle buffer underruns |
| RecordFormatException | A common exception thrown by our binary format parsers (especially HSSF and DDF), when they hit invalid format or data when processing a record. |
| Annotation Types Summary | |
|---|---|
| Beta | Signifies that a public API (public class, method or field) is subject to incompatible changes, or even removal, in a future release. |
| Internal | Program elements annotated @Internal are intended for POI internal use only. |
| NotImplemented | This feature has not been implemented yet. |
| Removal | Program elements annotated @Removal track the earliest final release when a deprecated feature will be removed. |
| SuppressForbidden | Marking class for elements to be ignored by the forbidden apis check |
Top-level util package are classes that are useful throughout the project. These classes are generally generic enough to be useful in any project and should be contributed elsewhere!
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