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FileStorage (Editor Library) - NetBeans API Javadoc (Current Development Version)

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org.netbeans.editor.ext
Class FileStorage

java.lang.Object
  org.netbeans.editor.ext.FileStorage

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public class FileStorage
extends Object

Management of storage of the data for the java completion.

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Field Summary
protected  byte[]	bytes           Byte array holding the data that were read from file
protected  DataAccessor	da
boolean	fileNotFound
protected  int	offset           Current offset in the bytes array
protected  boolean	opened
protected  boolean	openedForWrite

 

Constructor Summary
FileStorage(DataAccessor da, StringCache strCache)
FileStorage(String fileName)
FileStorage(String fileName, StringCache strCache)

 

Method Summary
protected  void	checkBytesSize(int len)           Check size of bytes[] array
void	close()
int	getFileLength()
String	getFileName()
int	getFilePointer()
int	getInteger()           Get the integer value from the bytes[] array
int	getOffset()
String	getString()           Get the string value from the bytes[] array
void	lockFile()           Locks the file and disable other threads to write
void	open(boolean requestWrite)
void	putInteger(int i)           Put the integer into bytes[] array.
void	putString(String s)           Put the string into bytes[] array.
void	read(int len)           Read some part of the file into the begining of bytes array and reset offset to zero.
void	resetBytes()
void	resetFile()           Reset the size of the file and set current offset to zero.
void	seek(int filePointer)
void	setOffset(int offset)
void	setVersion(int ver)           Setter for version of Code Completion DB file.
String	toString()           Returns name of the file
void	unlockFile()           Unlocks the file and notifies wqiting threads
void	write()           Write bytes array (with offset length) to the file

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

openedForWrite

protected boolean openedForWrite

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fileNotFound

public boolean fileNotFound

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da

protected DataAccessor da

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opened

protected boolean opened

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offset

protected int offset

Current offset in the bytes array

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bytes

protected byte[] bytes

Byte array holding the data that were read from file

Constructor Detail

FileStorage

public FileStorage(String fileName)

Parameters:

fileName - name of file to operate over

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FileStorage

public FileStorage(String fileName,
                   StringCache strCache)

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FileStorage

public FileStorage(DataAccessor da,
                   StringCache strCache)

Method Detail

setVersion

public void setVersion(int ver)

Setter for version of Code Completion DB file.

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open

public void open(boolean requestWrite)
          throws IOException

Throws:

IOException

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close

public void close()
           throws IOException

Throws:

IOException

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checkBytesSize

protected void checkBytesSize(int len)

Check size of bytes[] array

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read

public void read(int len)
          throws IOException

Read some part of the file into the begining of bytes array and reset offset to zero.

Throws:

IOException

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write

public void write()
           throws IOException

Write bytes array (with offset length) to the file

Throws:

IOException

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seek

public void seek(int filePointer)
          throws IOException

Throws:

IOException

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getFileName

public String getFileName()

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getFilePointer

public int getFilePointer()
                   throws IOException

Throws:

IOException

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setOffset

public void setOffset(int offset)

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getOffset

public int getOffset()

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getFileLength

public int getFileLength()
                  throws IOException

Throws:

IOException

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resetBytes

public void resetBytes()

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resetFile

public void resetFile()
               throws IOException

Reset the size of the file and set current offset to zero.

Throws:

IOException

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getInteger

public int getInteger()

Get the integer value from the bytes[] array

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getString

public String getString()

Get the string value from the bytes[] array

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putInteger

public void putInteger(int i)

Put the integer into bytes[] array. It is stored as four bytes in big endian.

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putString

public void putString(String s)

Put the string into bytes[] array. First the length is stored by putInteger() and then all the characters as two bytes each in big endian.

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lockFile

public final void lockFile()

Locks the file and disable other threads to write

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unlockFile

public final void unlockFile()

Unlocks the file and notifies wqiting threads

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toString

public String toString()

Returns name of the file

Overrides:

toString in class Object

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