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oracle.stellent.ridc.common.util
Class StreamUtil

java.lang.Object
oracle.stellent.ridc.common.util.StreamUtil

public class StreamUtil

extends java.lang.Object

Utility methods for working with streams

Constructor Summary

StreamUtil()

Method Summary

static void	closeReader(java.io.Reader reader) Close a reader, ignoring any exceptions that occur during the close
static void	closeStream(java.io.InputStream stream) Close a stream, ignoring any exceptions that occur during the close
static void	closeStream(java.io.OutputStream stream) Close a stream, ignoring any exceptions that occur during the close
static void	closeWriter(java.io.Writer writer) Close a writer, ignoring any exceptions that occur during the close
static void	copyReader(java.io.Reader reader, java.io.Writer writer, boolean closeInput, boolean closeOutput) Copy the contents of the Reader to the Writer
static void	copyStream(java.io.InputStream inputStream, java.io.OutputStream outputStream, boolean closeInput, boolean closeOutput) Copy the contents of the inputstream to the outputstream
static java.lang.String	getStringFromFile(java.io.File file) Convert the contents of the file into a string
static java.lang.String	getStringFromFile(java.io.File file, java.lang.String encoding) Convert the contents of the file into a string
static java.lang.String	getStringFromStream(java.io.InputStream stream) Read the stream and create a string using the default system encoding
static java.lang.String	getStringFromStream(java.io.InputStream stream, java.lang.String encoding) Read the stream and create a string from the contents, using the given encoding
static java.lang.String	readLine(java.io.InputStream inputStream, java.lang.String charset) This code copied from HttpClient.
static byte[]	readRawLine(java.io.InputStream inputStream) This code copied from HttpClient.

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamUtil

public StreamUtil()

Method Detail

copyStream

public static void copyStream(java.io.InputStream inputStream,
                              java.io.OutputStream outputStream,
                              boolean closeInput,
                              boolean closeOutput)
                       throws java.io.IOException

Copy the contents of the inputstream to the outputstream

Parameters:

inputStream - the inputstream to read

outputStream - the outputstream to write to

closeInput - true to close the inputstream on completion

closeOutput - true to close the outputstream on completion

Throws:

java.io.IOException - if an IO error occurs

copyReader

public static void copyReader(java.io.Reader reader,
                              java.io.Writer writer,
                              boolean closeInput,
                              boolean closeOutput)
                       throws java.io.IOException

Copy the contents of the Reader to the Writer

Parameters:

reader - the Reader to read

writer - the Writer to write to

closeInput - true to close the inputstream on completion

closeOutput - true to close the outputstream on completion

Throws:

java.io.IOException - if an IO error occurs

closeStream

public static void closeStream(java.io.InputStream stream)

Close a stream, ignoring any exceptions that occur during the close

Parameters:

stream - the stream to close

closeStream

public static void closeStream(java.io.OutputStream stream)

Close a stream, ignoring any exceptions that occur during the close

Parameters:

stream - the stream to close

closeReader

public static void closeReader(java.io.Reader reader)

Close a reader, ignoring any exceptions that occur during the close

Parameters:

reader - the reader to close

closeWriter

public static void closeWriter(java.io.Writer writer)

Close a writer, ignoring any exceptions that occur during the close

Parameters:

writer - the writer to close

getStringFromFile

public static java.lang.String getStringFromFile(java.io.File file)
                                          throws java.io.IOException

Convert the contents of the file into a string

Parameters:

file - the file to read

Returns:

a string containing the file contents, using the default character encoding on the JVM

Throws:

java.io.IOException

getStringFromFile

public static java.lang.String getStringFromFile(java.io.File file,
                                                 java.lang.String encoding)
                                          throws java.io.IOException

Convert the contents of the file into a string

Parameters:

file - the file to read

encoding - the character encoding to use

Returns:

a string containing the file contents, using the default character encoding on the JVM

Throws:

java.io.IOException

getStringFromStream

public static java.lang.String getStringFromStream(java.io.InputStream stream)
                                            throws java.io.IOException

Read the stream and create a string using the default system encoding

Parameters:

stream - the stream to read

Returns:

a string containing the streams contents

Throws:

java.io.IOException

getStringFromStream

public static java.lang.String getStringFromStream(java.io.InputStream stream,
                                                   java.lang.String encoding)
                                            throws java.io.IOException

Read the stream and create a string from the contents, using the given encoding

Parameters:

stream - the inputstream to read

encoding - the encoding to use

Returns:

the string containing the stream contents

Throws:

java.io.IOException

readRawLine

public static byte[] readRawLine(java.io.InputStream inputStream)
                          throws java.io.IOException

This code copied from HttpClient. Return byte array from an (unchunked) input stream. Stop reading when "\n" terminator encountered If the stream ends before the line terminator is found, the last part of the string will still be returned. If no input data available, null is returned.

Parameters:

inputStream - the stream to read from

Returns:

a byte array from the stream

Throws:

java.io.IOException - if an I/O problem occurs

readLine

public static java.lang.String readLine(java.io.InputStream inputStream,
                                        java.lang.String charset)
                                 throws java.io.IOException

This code copied from HttpClient. <p/> Read up to "\n" from an (unchunked) input stream. If the stream ends before the line terminator is found, the last part of the string will still be returned. If no input data available, null is returned.

Parameters:

inputStream - the stream to read from

charset - charset of HTTP protocol elements

Returns:

a line from the stream

Throws:

java.io.IOException - if an I/O problem occurs

Since:

3.0

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