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Copyright © 2006 Sun Microsystems, Inc. and Motorola, Inc. All rights reserved.

Uses of Class
java.io.IOException

Packages that use IOException

java.io	Provides classes for input and output through data streams.
javax.microedition.io	Classes for the Generic Connection framework.
javax.microedition.lcdui	The UI API provides a set of features for implementation of user interfaces for MIDP applications.
javax.microedition.media	The MIDP 2.0 Media API is a directly compatible building block of the Mobile Media API (JSR-135) specification.
javax.microedition.pki	Certificates are used to authenticate information for secure Connections.

Uses of IOException in java.io

Subclasses of IOException in java.io

class	EOFException Signals that an end of file or end of stream has been reached unexpectedly during input.
class	InterruptedIOException Signals that an I/O operation has been interrupted.
class	UnsupportedEncodingException The Character Encoding is not supported.
class	UTFDataFormatException Signals that a malformed UTF-8 string has been read in a data input stream or by any class that implements the data input interface.

Methods in java.io that throw IOException

void	Writer.write(int c) Write a single character.
void	Writer.write(char[] cbuf) Write an array of characters.
abstract void	Writer.write(char[] cbuf, int off, int len) Write a portion of an array of characters.
void	Writer.write(String str) Write a string.
void	Writer.write(String str, int off, int len) Write a portion of a string.
abstract void	Writer.flush() Flush the stream.
abstract void	Writer.close() Close the stream, flushing it first.
int	Reader.read() Read a single character.
int	Reader.read(char[] cbuf) Read characters into an array.
abstract int	Reader.read(char[] cbuf, int off, int len) Read characters into a portion of an array.
long	Reader.skip(long n) Skip characters.
boolean	Reader.ready() Tell whether this stream is ready to be read.
void	Reader.mark(int readAheadLimit) Mark the present position in the stream.
void	Reader.reset() Reset the stream.
abstract void	Reader.close() Close the stream.
void	OutputStreamWriter.write(int c) Write a single character.
void	OutputStreamWriter.write(char[] cbuf, int off, int len) Write a portion of an array of characters.
void	OutputStreamWriter.write(String str, int off, int len) Write a portion of a string.
void	OutputStreamWriter.flush() Flush the stream.
void	OutputStreamWriter.close() Close the stream.
abstract void	OutputStream.write(int b) Writes the specified byte to this output stream.
void	OutputStream.write(byte[] b) Writes b.length bytes from the specified byte array to this output stream.
void	OutputStream.write(byte[] b, int off, int len) Writes len bytes from the specified byte array starting at offset off to this output stream.
void	OutputStream.flush() Flushes this output stream and forces any buffered output bytes to be written out.
void	OutputStream.close() Closes this output stream and releases any system resources associated with this stream.
int	InputStreamReader.read() Read a single character.
int	InputStreamReader.read(char[] cbuf, int off, int len) Read characters into a portion of an array.
long	InputStreamReader.skip(long n) Skip characters.
boolean	InputStreamReader.ready() Tell whether this stream is ready to be read.
void	InputStreamReader.mark(int readAheadLimit) Mark the present position in the stream.
void	InputStreamReader.reset() Reset the stream.
void	InputStreamReader.close() Close the stream.
abstract int	InputStream.read() Reads the next byte of data from the input stream.
int	InputStream.read(byte[] b) Reads some number of bytes from the input stream and stores them into the buffer array b.
int	InputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from the input stream into an array of bytes.
long	InputStream.skip(long n) Skips over and discards n bytes of data from this input stream.
int	InputStream.available() Returns the number of bytes that can be read (or skipped over) from this input stream without blocking by the next caller of a method for this input stream.
void	InputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	InputStream.reset() Repositions this stream to the position at the time the mark method was last called on this input stream.
void	DataOutputStream.write(int b) Writes the specified byte (the low eight bits of the argument b) to the underlying output stream.
void	DataOutputStream.write(byte[] b, int off, int len) Writes len bytes from the specified byte array starting at offset off to the underlying output stream.
void	DataOutputStream.flush() Flushes this data output stream.
void	DataOutputStream.close() Closes this output stream and releases any system resources associated with the stream.
void	DataOutputStream.writeBoolean(boolean v) Writes a boolean to the underlying output stream as a 1-byte value.
void	DataOutputStream.writeByte(int v) Writes out a byte to the underlying output stream as a 1-byte value.
void	DataOutputStream.writeShort(int v) Writes a short to the underlying output stream as two bytes, high byte first.
void	DataOutputStream.writeChar(int v) Writes a char to the underlying output stream as a 2-byte value, high byte first.
void	DataOutputStream.writeInt(int v) Writes an int to the underlying output stream as four bytes, high byte first.
void	DataOutputStream.writeLong(long v) Writes a long to the underlying output stream as eight bytes, high byte first.
void	DataOutputStream.writeFloat(float v) Converts the float argument to an int using the floatToIntBits method in class Float, and then writes that int value to the underlying output stream as a 4-byte quantity, high byte first.
void	DataOutputStream.writeDouble(double v) Converts the double argument to a long using the doubleToLongBits method in class Double, and then writes that long value to the underlying output stream as an 8-byte quantity, high byte first.
void	DataOutputStream.writeChars(String s) Writes a string to the underlying output stream as a sequence of characters.
void	DataOutputStream.writeUTF(String str) Writes a string to the underlying output stream using UTF-8 encoding in a machine-independent manner.
void	DataOutput.write(int b) Writes to the output stream the eight low-order bits of the argument b.
void	DataOutput.write(byte[] b) Writes to the output stream all the bytes in array b.
void	DataOutput.write(byte[] b, int off, int len) Writes len bytes from array b, in order, to the output stream.
void	DataOutput.writeBoolean(boolean v) Writes a boolean value to this output stream.
void	DataOutput.writeByte(int v) Writes to the output stream the eight low- order bits of the argument v.
void	DataOutput.writeShort(int v) Writes two bytes to the output stream to represent the value of the argument.
void	DataOutput.writeChar(int v) Writes a char value, which is comprised of two bytes, to the output stream.
void	DataOutput.writeInt(int v) Writes an int value, which is comprised of four bytes, to the output stream.
void	DataOutput.writeLong(long v) Writes an long value, which is comprised of four bytes, to the output stream.
void	DataOutput.writeFloat(float v) Writes a float value, which is comprised of four bytes, to the output stream.
void	DataOutput.writeDouble(double v) Writes a double value, which is comprised of eight bytes, to the output stream.
void	DataOutput.writeChars(String s) Writes every character in the string s, to the output stream, in order, two bytes per character.
void	DataOutput.writeUTF(String s) Writes two bytes of length information to the output stream, followed by the Java modified UTF representation of every character in the string s.
int	DataInputStream.read() Reads the next byte of data from this input stream.
int	DataInputStream.read(byte[] b) See the general contract of the read method of DataInput.
int	DataInputStream.read(byte[] b, int off, int len) Reads up to len bytes of data from this input stream into an array of bytes.
void	DataInputStream.readFully(byte[] b) See the general contract of the readFully method of DataInput.
void	DataInputStream.readFully(byte[] b, int off, int len) See the general contract of the readFully method of DataInput.
int	DataInputStream.skipBytes(int n) See the general contract of the skipBytes method of DataInput.
boolean	DataInputStream.readBoolean() See the general contract of the readBoolean method of DataInput.
byte	DataInputStream.readByte() See the general contract of the readByte method of DataInput.
int	DataInputStream.readUnsignedByte() See the general contract of the readUnsignedByte method of DataInput.
short	DataInputStream.readShort() See the general contract of the readShort method of DataInput.
int	DataInputStream.readUnsignedShort() See the general contract of the readUnsignedShort method of DataInput.
char	DataInputStream.readChar() See the general contract of the readChar method of DataInput.
int	DataInputStream.readInt() See the general contract of the readInt method of DataInput.
long	DataInputStream.readLong() See the general contract of the readLong method of DataInput.
float	DataInputStream.readFloat() See the general contract of the readFloat method of DataInput.
double	DataInputStream.readDouble() See the general contract of the readDouble method of DataInput.
String	DataInputStream.readUTF() See the general contract of the readUTF method of DataInput.
static String	DataInputStream.readUTF(DataInput in) Reads from the stream in a representation of a Unicode character string encoded in Java modified UTF-8 format; this string of characters is then returned as a String.
long	DataInputStream.skip(long n) Skips over and discards n bytes of data from the input stream.
int	DataInputStream.available() Returns the number of bytes that can be read from this input stream without blocking.
void	DataInputStream.close() Closes this input stream and releases any system resources associated with the stream.
void	DataInputStream.reset() Repositions this stream to the position at the time the mark method was last called on this input stream.
void	DataInput.readFully(byte[] b) Reads some bytes from an input stream and stores them into the buffer array b.
void	DataInput.readFully(byte[] b, int off, int len) Reads len bytes from an input stream.
int	DataInput.skipBytes(int n) Makes an attempt to skip over n bytes of data from the input stream, discarding the skipped bytes.
boolean	DataInput.readBoolean() Reads one input byte and returns true if that byte is nonzero, false if that byte is zero.
byte	DataInput.readByte() Reads and returns one input byte.
int	DataInput.readUnsignedByte() Reads one input byte, zero-extends it to type int, and returns the result, which is therefore in the range 0 through 255.
short	DataInput.readShort() Reads two input bytes and returns a short value.
int	DataInput.readUnsignedShort() Reads two input bytes, zero-extends it to type int, and returns an int value in the range 0 through 65535.
char	DataInput.readChar() Reads an input char and returns the char value.
int	DataInput.readInt() Reads four input bytes and returns an int value.
long	DataInput.readLong() Reads eight input bytes and returns a long value.
float	DataInput.readFloat() Reads four input bytes and returns a float value.
double	DataInput.readDouble() Reads eight input bytes and returns a double value.
String	DataInput.readUTF() Reads in a string that has been encoded using a modified UTF-8 format.
void	ByteArrayOutputStream.close() Closes this output stream and releases any system resources associated with this stream.
void	ByteArrayInputStream.close() Closes this input stream and releases any system resources associated with the stream.

Uses of IOException in javax.microedition.io

Subclasses of IOException in javax.microedition.io

class

ConnectionNotFoundException This class is used to signal that a connection target cannot be found, or the protocol type is not supported.

Methods in javax.microedition.io that throw IOException

StreamConnection	StreamConnectionNotifier.acceptAndOpen() Returns a StreamConnection object that represents a server side socket connection.
OutputStream	OutputConnection.openOutputStream() Open and return an output stream for a connection.
DataOutputStream	OutputConnection.openDataOutputStream() Open and return a data output stream for a connection.
InputStream	InputConnection.openInputStream() Open and return an input stream for a connection.
DataInputStream	InputConnection.openDataInputStream() Open and return a data input stream for a connection.
int	DatagramConnection.getMaximumLength() Get the maximum length a datagram can be.
int	DatagramConnection.getNominalLength() Get the nominal length of a datagram.
void	DatagramConnection.send(Datagram dgram) Send a datagram.
void	DatagramConnection.receive(Datagram dgram) Receive a datagram.
Datagram	DatagramConnection.newDatagram(int size) Create a new datagram object.
Datagram	DatagramConnection.newDatagram(int size, String addr) Create a new datagram object.
Datagram	DatagramConnection.newDatagram(byte[] buf, int size) Create a new datagram object.
Datagram	DatagramConnection.newDatagram(byte[] buf, int size, String addr) Make a new datagram object.
void	Datagram.setAddress(String addr) Set datagram address.
static Connection	Connector.open(String name) Create and open a Connection.
static Connection	Connector.open(String name, int mode) Create and open a Connection.
static Connection	Connector.open(String name, int mode, boolean timeouts) Create and open a Connection.
static DataInputStream	Connector.openDataInputStream(String name) Create and open a connection input stream.
static DataOutputStream	Connector.openDataOutputStream(String name) Create and open a connection output stream.
static InputStream	Connector.openInputStream(String name) Create and open a connection input stream.
static OutputStream	Connector.openOutputStream(String name) Create and open a connection output stream.
void	Connection.close() Close the connection.
String	UDPDatagramConnection.getLocalAddress() Gets the local address to which the datagram connection is bound.
int	UDPDatagramConnection.getLocalPort() Returns the local port to which this datagram connection is bound.
void	SocketConnection.setSocketOption(byte option, int value) Set a socket option for the connection.
int	SocketConnection.getSocketOption(byte option) Get a socket option for the connection.
String	SocketConnection.getLocalAddress() Gets the local address to which the socket is bound.
int	SocketConnection.getLocalPort() Returns the local port to which this socket is bound.
String	SocketConnection.getAddress() Gets the remote address to which the socket is bound.
int	SocketConnection.getPort() Returns the remote port to which this socket is bound.
String	ServerSocketConnection.getLocalAddress() Gets the local address to which the socket is bound.
int	ServerSocketConnection.getLocalPort() Returns the local port to which this socket is bound.
SecurityInfo	SecureConnection.getSecurityInfo() Return the security information associated with this connection when it was opened.
static void	PushRegistry.registerConnection(String connection, String midlet, String filter) Register a dynamic connection with the application management software.
SecurityInfo	HttpsConnection.getSecurityInfo() Return the security information associated with this successfully opened connection.
void	HttpConnection.setRequestMethod(String method) Set the method for the URL request, one of: GET POST HEAD are legal, subject to protocol restrictions.
void	HttpConnection.setRequestProperty(String key, String value) Sets the general request property.
int	HttpConnection.getResponseCode() Returns the HTTP response status code.
String	HttpConnection.getResponseMessage() Gets the HTTP response message, if any, returned along with the response code from a server.
long	HttpConnection.getExpiration() Returns the value of the expires header field.
long	HttpConnection.getDate() Returns the value of the date header field.
long	HttpConnection.getLastModified() Returns the value of the last-modified header field.
String	HttpConnection.getHeaderField(String name) Returns the value of the named header field.
int	HttpConnection.getHeaderFieldInt(String name, int def) Returns the value of the named field parsed as a number.
long	HttpConnection.getHeaderFieldDate(String name, long def) Returns the value of the named field parsed as date.
String	HttpConnection.getHeaderField(int n) Gets a header field value by index.
String	HttpConnection.getHeaderFieldKey(int n) Gets a header field key by index.

Uses of IOException in javax.microedition.lcdui

Methods in javax.microedition.lcdui that throw IOException

static Image	Image.createImage(String name) Creates an immutable image from decoded image data obtained from the named resource.
static Image	Image.createImage(InputStream stream) Creates an immutable image from decoded image data obtained from an InputStream.

Uses of IOException in javax.microedition.media

Methods in javax.microedition.media that throw IOException

static Player	Manager.createPlayer(String locator) Create a Player from an input locator.
static Player	Manager.createPlayer(InputStream stream, String type) Create a Player to play back media from an InputStream.

Uses of IOException in javax.microedition.pki

Subclasses of IOException in javax.microedition.pki

class

CertificateException The CertificateException encapsulates an error that occurred while a Certificate is being used.