Java Doc for TarUtils.java in  » Library » Apache-commons-vfs-20070724-src » org » apache » commons » vfs » provider » tar » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache commons vfs 20070724 src » org.apache.commons.vfs.provider.tar   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.vfs.provider.tar.TarUtils TarUtils class TarUtils (Code) This class provides static utility methods to work with byte streams. author:    Timothy Gerard Endres author:    Stefano Mazzocchi version:    $Revision: 480428 $ $Date: 2006-11-28 22:15:24 -0800 (Tue, 28 Nov 2006) $ Method Summary public static  long computeCheckSum(byte[] buffer)      Compute the checksum of a tar entry header. Parameters:   buffer - The tar entry's header buffer. public static  int getCheckSumOctalBytes(long value, byte[] buf, int offset, int length)      Parse the checksum octal integer from a header buffer. public static  int getLongOctalBytes(long value, byte[] buf, int offset, int length)      Parse an octal long integer from a header buffer. public static  int getNameBytes(StringBuffer name, byte[] buffer, int offset, int length)      Determine the number of bytes in an entry name. public static  int getOctalBytes(long value, byte[] buffer, int offset, int length)      Parse an octal integer from a header buffer. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. public static  StringBuffer parseName(byte[] header, int offset, int length)      Parse an entry name from a header buffer. Parameters:   header - The header buffer from which to parse. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. public static  long parseOctal(byte[] header, int offset, int length)      Parse an octal string from a header buffer. Method Detail computeCheckSum public static long computeCheckSum(byte[] buffer)(Code) Compute the checksum of a tar entry header. Parameters:   buffer - The tar entry's header buffer. The computed checksum. getCheckSumOctalBytes public static int getCheckSumOctalBytes(long value, byte[] buf, int offset, int length)(Code) Parse the checksum octal integer from a header buffer. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. Parameters:   value - Description of Parameter Parameters:   buf - Description of Parameter The integer value of the entry's checksum. getLongOctalBytes public static int getLongOctalBytes(long value, byte[] buf, int offset, int length)(Code) Parse an octal long integer from a header buffer. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. Parameters:   value - Description of Parameter Parameters:   buf - Description of Parameter The long value of the octal bytes. getNameBytes public static int getNameBytes(StringBuffer name, byte[] buffer, int offset, int length)(Code) Determine the number of bytes in an entry name. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. Parameters:   name - Description of Parameter Parameters:   buffer - Description of Parameter The number of bytes in a header's entry name. getOctalBytes public static int getOctalBytes(long value, byte[] buffer, int offset, int length)(Code) Parse an octal integer from a header buffer. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. The integer value of the octal bytes. parseName public static StringBuffer parseName(byte[] header, int offset, int length)(Code) Parse an entry name from a header buffer. Parameters:   header - The header buffer from which to parse. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. The header's entry name. parseOctal public static long parseOctal(byte[] header, int offset, int length)(Code) Parse an octal string from a header buffer. This is used for the file permission mode value. Parameters:   header - The header buffer from which to parse. Parameters:   offset - The offset into the buffer from which to parse. Parameters:   length - The number of header bytes to parse. The long value of the octal string. Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)