Java I/O. 2nd Edition - Helion

ebook

Autor: Elliotte Rusty Harold
ISBN: 978-14-493-9088-4
stron: 728, Format: ebook
Data wydania: 2006-05-16
Księgarnia: Helion

Cena książki: 169,15 zł (poprzednio: 196,69 zł)
Oszczędzasz: 14% (-27,54 zł)

Osoby, które kupiły tę książkę, wybierały także »

Tagi: Java - Programowanie

All of Java's Input/Output (I/O) facilities are based on streams, which provide simple ways to read and write data of different types. Java provides many different kinds of streams, each with its own application. The universe of streams is divided into four largecategories: input streams and output streams, for reading and writing binary data; and readers and writers, for reading and writing textual (character) data. You're almost certainly familiar with the basic kinds of streams--but did you know that there's a CipherInputStream for reading encrypted data? And a ZipOutputStream for automaticallycompressing data? Do you know how to use buffered streams effectively to make your I/O operations more efficient? Java I/O, 2nd Edition has been updated for Java 5.0 APIs and tells you all you ever need to know about streams--and probably more.

A discussion of I/O wouldn't be complete without treatment of character sets and formatting. Java supports the Unicode standard, which provides definitions for the character sets of most written languages. Consequently, Java is the first programming language that lets you do I/O in virtually any language. Java also provides a sophisticated model for formatting textual and numeric data. Java I/O, 2nd Edition shows you how to control number formatting, use characters aside from the standard (but outdated) ASCII character set, and get a head start on writing truly multilingual software.

Java I/O, 2nd Edition includes:

Coverage of all I/O classes and related classes
In-depth coverage of Java's number formatting facilities and its support for international character sets

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Spis treści

Java I/O. 2nd Edition eBook -- spis treści

Java I/O, 2nd Edition
- SPECIAL OFFER: Upgrade this ebook with OReilly
- Preface
  - Whats New in This Edition
  - Organization of the Book
    - Part I: Basic I/O
    - Part II: Data Sources
    - Part III: Filter Streams
    - Part IV: New I/O
    - Part V: The File System
    - Part VI: Text
    - Part VII: Devices
  - Who You Are
  - About the Examples
  - Conventions Used in This Book
  - Request for Comments
  - Safari Enabled
  - Acknowledgments
- I. Basic I/O
  - 1. Introducing I/O
    - What Is a Stream?
      - Where Do Streams Come From?
      - The Stream Classes
    - Numeric Data
      - Integer Data
      - Conversions and Casts
    - Character Data
      - ASCII
      - Latin-1
      - Unicode
      - Other Encodings
      - The char Data Type
    - Readers and Writers
    - Buffers and Channels
    - The Ubiquitous IOException
    - The Console: System.out, System.in, and System.err
      - System.out
      - System.err
      - System.in
      - Redirecting System.out, System.in, and System.err
      - The Console Class // Java 6
    - Security Checks on I/O
  - 2. Output Streams
    - Writing Bytes to Output Streams
    - Writing Arrays of Bytes
    - Closing Output Streams
      - The Closeable Interface
    - Flushing Output Streams
      - The Flushable Interface
    - Subclassing OutputStream
    - A Graphical User Interface for Output Streams
  - 3. Input Streams
    - The read( ) Method
    - Reading Chunks of Data from a Stream
    - Counting the Available Bytes
    - Skipping Bytes
    - Closing Input Streams
    - Marking and Resetting
    - Subclassing InputStream
    - An Efficient Stream Copier
- II. Data Sources
  - 4. File Streams
    - Reading Files
    - Writing Files
    - File Viewer, Part 1
  - 5. Network Streams
    - URLs
    - URL Connections
      - Reading Data from URL Connections
      - Writing Data on URL Connections
    - Sockets
    - Server Sockets
    - URLViewer
- III. Filter Streams
  - 6. Filter Streams
    - The Filter Stream Classes
    - The Filter Stream Subclasses
    - Buffered Streams
      - BufferedInputStream Details
      - BufferedOutputStream Details
    - PushbackInputStream
    - ProgressMonitorInputStream
    - Multitarget Output Streams
    - File Viewer, Part 2
  - 7. Print Streams
    - Print Versus Write
    - Line Breaks
    - Error Handling
    - printf( )
    - Formatter
      - Constructors
      - Character Sets
      - Locales
      - Error Handling
      - Format Specifiers
        
        Integer conversions
        
        Floating-point conversions
        
        Date and time conversions
        
        Character conversions
        
        Boolean conversions
        
        General conversions
      - Format Modifiers
        
        Argument index
        
        Flags
        
        Width
        
        Precision
    - Formattable
  - 8. Data Streams
    - The Data Stream Classes
      - The DataInput and DataOutput Interfaces
      - Constructors
    - Integers
      - Integer Formats
      - The Char Format
      - Writing Integers
      - Reading Integers
    - Floating-Point Numbers
      - Writing Floating-Point Numbers
      - Reading Floating-Point Numbers
    - Booleans
    - Byte Arrays
      - Determining the Number of Bytes Written
      - Skipping Bytes
    - Strings and chars
      - Writing Text
      - Reading Text
      - The Deprecated readLine( ) Method
    - Little-Endian Numbers
    - Thread Safety
    - File Viewer, Part 3
  - 9. Streams in Memory
    - Sequence Input Streams
    - Byte Array Streams
      - Byte Array Input Streams
      - Byte Array Output Streams
    - Communicating Between Threads Using Piped Streams
  - 10. Compressing Streams
    - Inflaters and Deflaters
      - Deflating Data
        
        Constructing deflaters
        
        Choose a strategy
        
        Set the compression level
        
        Set the dictionary
        
        Set the input
        
        Deflate the data repeatedly until needsInput( ) returns true
        
        Finish the deflation
        
        Reset the deflater and start over
        
        An example
        
        Checking the state of a deflater
      - Inflating Data
        
        Constructing inflaters
        
        Set the input
        
        Check whether a preset dictionary was used
        
        Set the dictionary
        
        Inflate the data
        
        Reset the inflater
        
        An example
        
        Checking the state of an inflater
    - Compressing and Decompressing Streams
      - The DeflaterOutputStream Class
      - The InflaterInputStream Class
      - The GZIPOutputStream Class
      - The GZIPInputStream Class
      - Expanding Output Streams and Compressing Input Streams
    - Zip Files
      - Zip Entries
      - The ZipOutputStream Class
        
        Constructing and initializing the ZipOutputStream
        
        Set the comment for the zip file
        
        Set the default compression level and method
        
        Construct a ZipEntry object and put it in the archive
        
        Write the entrys data onto the output stream
        
        Close the zip entry
        
        Finish the zip output stream
        
        Close the zip output stream
        
        An example
      - The ZipInputStream Class
        
        Construct a ZipInputStream
        
        Open the next zip entry
        
        Reading from a ZipInputStream
        
        Close the zip entry
        
        Close the ZipInputStream
        
        An example
    - Checksums
      - Checked Streams
    - File Viewer, Part 4
  - 11. JAR Archives
    - Meta-Information: Manifest Files and Signatures
    - The jar Tool
    - The java.util.jar Package
    - JarFile
    - JarEntry
    - Attributes
    - Manifest
    - JarInputStream
    - JarOutputStream
    - JarURLConnection
    - Pack200
    - Reading Resources from JAR Files
  - 12. Cryptographic Streams
    - Hash Functions
      - Requirements for Hash Functions
    - The MessageDigest Class
      - Calculating Message Digests
      - Creating Message Digests
      - Feeding Data to the Digest
      - Finishing the Digest
      - Reusing Digests
      - Comparing Digests
      - Accessor Methods
    - Digest Streams
      - DigestInputStream
      - DigestOutputStream
    - Encryption Basics
      - Keys
      - Secret Key Versus Public Key Algorithms
      - Block Versus Stream Ciphers
      - Key Management
    - The Cipher Class
      - init( )
        
        Mode
        
        Key
        
        Algorithm parameters
        
        Source of randomness
      - update( )
      - doFinal( )
      - Accessor Methods
    - Cipher Streams
      - CipherInputStream
      - CipherOutputStream
    - File Viewer, Part 5
  - 13. Object Serialization
    - Reading and Writing Objects
    - Object Streams
    - How Object Serialization Works
    - Performance
    - The Serializable Interface
      - Classes That Implement Serializable but Arent
        
        Problem 1: References to nonserializable objects
        
        Problem 2: Missing a no-argument constructor in superclass
        
        Problem 3: Deliberate throwing of NotSerializableException
        
        Locating the offending object
        
        Making nonserializable fields transient
    - Versioning
      - Compatible and Incompatible Changes
      - SUIDs
    - Customizing the Serialization Format
      - The readObject( ) and writeObject( ) Methods
      - The defaultWriteObject() and defaultReadObject( ) Methods
      - The writeReplace( ) Method
      - The readResolve( ) Method
      - serialPersistentFields
      - Preventing Serialization
      - Externalizable
    - Resolving Classes
    - Resolving Objects
    - Validation
    - Sealed Objects
    - JavaDoc
      - @serial
      - @serialData
      - @serialField
- IV. New I/O
  - 14. Buffers
    - Copying Files with Buffers
    - Creating Buffers
    - Buffer Layout
      - Limit
    - Bulk Put and Get
    - Absolute Put and Get
    - Mark and Reset
    - Compaction
    - Duplication
    - Slicing
    - Typed Data
      - View Buffers
      - Put Type Methods
      - Byte Order
    - Read-Only Buffers
    - CharBuffers
    - Memory-Mapped I/O
      - Creating Mapped Byte Buffers
      - MappedByteBuffer Methods
  - 15. Channels
    - The Channel Interfaces
      - Channel
      - ReadableByteChannel and WritableByteChannel
        
        ByteChannel
        
        Exceptions
      - Gathering and Scattering Channels
    - File Channels
      - Transferring Data
      - Random Access
      - Threading and Locking
      - FileLock
      - Flushing
    - Converting Between Streams and Channels
      - Converting Channels to Streams
      - Converting Streams to Channels
      - Converting Channels to Readers and Writers
    - Socket Channels
    - Server Socket Channels
    - Datagram Channels
      - Connecting
      - Reading
      - Writing
  - 16. Nonblocking I/O
    - Nonblocking I/O
    - Selectable Channels
    - Selectors
    - Selection Keys
      - Getters
      - Attachments
      - Canceling
    - Pipe Channels
- V. The File System
  - 17. Working with Files
    - Understanding Files
      - Filenames
      - File Attributes
      - Filename Extensions and File Types
    - Directories and Paths
      - Paths and Separators
      - Relative versus Absolute Paths
        
        Absolute paths
        
        Relative paths
    - The File Class
      - Constructing File Objects
      - Listing the Roots
      - Listing Information about a File
        
        Does the file exist? Is it a normal file? Is it a directory?
        
        Filename and path
        
        Absolute paths
        
        Canonical paths
        
        Parents
        
        File attributes
        
        An example
      - Manipulating Files
        
        Creating files
        
        Moving and renaming files
        
        Deleting files
        
        Changing file attributes
      - Temporary Files
      - Checking for Free Space/Java 6
      - Directories
        
        Creating directories
        
        Listing directories
        
        The listFiles( ) methods
      - File URLs
    - Filename Filters
    - File Filters
    - File Descriptors
    - Random-Access Files
    - General Techniques for Cross-Platform File Access Code
  - 18. File Dialogs and Choosers
    - File Dialogs
    - JFileChooser
      - Constructing File Choosers
      - Displaying File Choosers
      - Getting the Users Selection
      - Manipulating the JFileChooser
      - Custom Dialogs
      - Filters
      - Selecting Directories
      - Multiple Selections
      - Hidden Files
      - File Views
      - FileSystem Views
      - Handling Events
        
        Action events
        
        Property change events
      - Accessory
    - File Viewer, Part 6
- VI. Text
  - 19. Character Sets and Unicode
    - The Unicode Character Set
    - UTF-16
    - UTF-8
    - Other Encodings
    - Converting Between Byte Arrays and Strings
      - The String Class
      - The Charset Class
        
        Retrieving Charset objects
        
        Character set info
        
        Encoding and decoding
      - CharsetEncoder and CharsetDecoder
        
        Encoding
        
        Decoding
        
        Error handling
        
        Measurement
        
        Encodability
  - 20. Readers and Writers
    - The java.io.Writer Class
    - The OutputStreamWriter Class
    - The java.io.Reader Class
    - The InputStreamReader Class
    - Encoding Heuristics
    - Character Array Readers and Writers
      - The CharArrayWriter Class
      - The CharArrayReader Class
    - String Readers and Writers
      - String Writers
      - String Readers
    - Reading and Writing Files
      - FileWriter
      - FileReader
    - Buffered Readers and Writers
      - Buffering Writes
      - Buffering Reads
      - Line Numbering
    - Print Writers
    - Piped Readers and Writers
    - Filtered Readers and Writers
      - The FilterReader Class
      - The FilterWriter Class
      - PushbackReader
    - File Viewer Finis
  - 21. Formatted I/O with java.text
    - The Old Way
    - Choosing a Locale
    - Number Formats
      - Formatting Numbers
      - Specifying Precision
      - Grouping
      - Currency Formats
      - Percent Formats
    - Specifying Width with FieldPosition
    - Parsing Input
    - Decimal Formats
      - Decimal Format Patterns
      - DecimalFormatSymbols
      - Constructing Decimal Formats with Patterns and Symbols
- VII. Devices
  - 22. The Java Communications API
    - The Architecture of the Java Communications API
    - Identifying Ports
      - Finding the Ports
      - Getting Information about a Port
      - Opening Ports
    - Communicating with a Device on a Port
      - Communicating with a Port
      - Port Properties
    - Serial Ports
      - Control Functions
      - Flow Control
      - Control Wires
        
        DTR
        
        RTS
        
        CTS
        
        DSR
        
        RI
        
        CD
      - Serial Port Events
        
        SerialPortEventListener
        
        SerialPortEvent
    - Parallel Ports
      - Parallel Port Modes
      - Controlling the Parallel Port
      - Checking the State of the Port
      - Parallel Port Events
        
        Parallel Port Event Listeners
        
        ParallelPortEvent
  - 23. USB
    - USB Architecture
    - Finding Devices
    - Controlling Devices
    - Describing Devices
      - UsbDevice
      - UsbDeviceDescriptor
      - USB Configurations
      - UsbConfigurationDescriptor
      - UsbInterface
        
        Settings
        
        Claiming
      - UsbInterfaceDescriptor
      - UsbEndpoints
    - Pipes
    - IRPs
    - Temperature Sensor Example
    - Hot Plugging
  - 24. The J2ME Generic Connection Framework
    - The Generic Connection Framework
      - The Connector Class
    - ContentConnection
    - Files
      - File attributes
        
        Listing directories
      - Filesystem Listeners
    - HTTP
      - Getter Methods
      - Configuring the HTTP Request Header
      - Reading the HTTP Response Header
    - Serial I/O
    - Sockets
      - Getters
      - Socket Options
    - Server Sockets
    - Datagrams
      - Datagram URLs
  - 25. Bluetooth
    - The Bluetooth Protocol
    - The Java Bluetooth API
      - UUIDs
      - The Bluetooth Control Center
      - Initialization
    - The Local Device
      - Properties
      - Device Class
      - Discoverability
    - Discovering Devices
    - Remote Devices
    - Service Records
      - The DataElement Class
      - Finding Service Records
      - The ServiceRecord Interface
    - Talking to Devices
      - RFCOMM Clients
      - L2CAP Devices
- VIII. Appendix
  - A. Character Sets
- Index
- About the Author
- Colophon
- SPECIAL OFFER: Upgrade this ebook with OReilly