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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.ant.taskdefs 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.tools.ant.taskdefs.MatchingTask
   org.apache.tools.ant.taskdefs.Checksum

Checksum
public class Checksum extends MatchingTask implements Condition(Code)
Used to create or verify file checksums.
since:
   Ant 1.5

Inner Class :public static class FormatElement extends EnumeratedAttribute



Method Summary
public  voidadd(ResourceCollection rc)
     Add a resource collection.
public  voidaddFileset(FileSet set)
     Files to generate checksums for.
public static  byte[]decodeHex(char[] data)
     Converts an array of characters representing hexadecimal values into an array of bytes of those same values.
public  booleaneval()
    
public  voidexecute()
     Calculate the checksum(s).
public  voidsetAlgorithm(String algorithm)
     Specifies the algorithm to be used to compute the checksum. Defaults to "MD5".
public  voidsetFile(File file)
     Sets the file for which the checksum is to be calculated.
public  voidsetFileext(String fileext)
     Sets the file extension that is be to used to create or identify destination file.
public  voidsetForceOverwrite(boolean forceOverwrite)
     Whether or not to overwrite existing file irrespective of whether it is newer than the source file.
public  voidsetFormat(FormatElement e)
     Select the in/output pattern via a well know format name.
public  voidsetPattern(String p)
     Specify the pattern to use as a MessageFormat pattern.
public  voidsetProperty(String property)
     Sets the property to hold the generated checksum.
public  voidsetProvider(String provider)
     Sets the MessageDigest algorithm provider to be used to calculate the checksum.
public  voidsetReadBufferSize(int size)
     The size of the read buffer to use.
public  voidsetTodir(File todir)
    
public  voidsetTotalproperty(String totalproperty)
     Sets the property to hold the generated total checksum for all files.
public  voidsetVerifyproperty(String verifyProperty)
     Sets the verify property.



Method Detail
add
public void add(ResourceCollection rc)(Code)
Add a resource collection.
Parameters:
  rc - the ResourceCollection to add.



addFileset
public void addFileset(FileSet set)(Code)
Files to generate checksums for.
Parameters:
  set - a fileset of files to generate checksums for.



decodeHex
public static byte[] decodeHex(char[] data) throws BuildException(Code)
Converts an array of characters representing hexadecimal values into an array of bytes of those same values. The returned array will be half the length of the passed array, as it takes two characters to represent any given byte. An exception is thrown if the passed char array has an odd number of elements. NOTE: This code is copied from jakarta-commons codec.
Parameters:
  data - an array of characters representing hexadecimal values the converted array of bytes
throws:
  BuildException - on error



eval
public boolean eval() throws BuildException(Code)
Calculate the checksum(s) Returns true if the checksum verification test passed,false otherwise.
throws:
  BuildException - on error



execute
public void execute() throws BuildException(Code)
Calculate the checksum(s).
throws:
  BuildException - on error



setAlgorithm
public void setAlgorithm(String algorithm)(Code)
Specifies the algorithm to be used to compute the checksum. Defaults to "MD5". Other popular algorithms like "SHA" may be used as well.
Parameters:
  algorithm - a String value



setFile
public void setFile(File file)(Code)
Sets the file for which the checksum is to be calculated.
Parameters:
  file - a File value



setFileext
public void setFileext(String fileext)(Code)
Sets the file extension that is be to used to create or identify destination file.
Parameters:
  fileext - a String value



setForceOverwrite
public void setForceOverwrite(boolean forceOverwrite)(Code)
Whether or not to overwrite existing file irrespective of whether it is newer than the source file. Defaults to false.
Parameters:
  forceOverwrite - a boolean value



setFormat
public void setFormat(FormatElement e)(Code)
Select the in/output pattern via a well know format name.
Parameters:
  e - an enumerated value
since:
   1.7.0



setPattern
public void setPattern(String p)(Code)
Specify the pattern to use as a MessageFormat pattern.

{0} gets replaced by the checksum, {1} by the filename.


Parameters:
  p - a String value
since:
   1.7.0



setProperty
public void setProperty(String property)(Code)
Sets the property to hold the generated checksum.
Parameters:
  property - a String value



setProvider
public void setProvider(String provider)(Code)
Sets the MessageDigest algorithm provider to be used to calculate the checksum.
Parameters:
  provider - a String value



setReadBufferSize
public void setReadBufferSize(int size)(Code)
The size of the read buffer to use.
Parameters:
  size - an int value



setTodir
public void setTodir(File todir)(Code)
Sets the root directory where checksum files will be written/read
Parameters:
  todir - the directory to write to
since:
   Ant 1.6



setTotalproperty
public void setTotalproperty(String totalproperty)(Code)
Sets the property to hold the generated total checksum for all files.
Parameters:
  totalproperty - a String value
since:
   Ant 1.6



setVerifyproperty
public void setVerifyproperty(String verifyProperty)(Code)
Sets the verify property. This project property holds the result of a checksum verification - "true" or "false"
Parameters:
  verifyProperty - a String value



Fields inherited from org.apache.tools.ant.taskdefs.MatchingTask
protected FileSet fileset(Code)(Java Doc)

Methods inherited from org.apache.tools.ant.taskdefs.MatchingTask
public void XsetIgnore(String ignoreString)(Code)(Java Doc)
public void XsetItems(String itemString)(Code)(Java Doc)
public void add(FileSelector selector)(Code)(Java Doc)
public void addAnd(AndSelector selector)(Code)(Java Doc)
public void addContains(ContainsSelector selector)(Code)(Java Doc)
public void addContainsRegexp(ContainsRegexpSelector selector)(Code)(Java Doc)
public void addCustom(ExtendSelector selector)(Code)(Java Doc)
public void addDate(DateSelector selector)(Code)(Java Doc)
public void addDepend(DependSelector selector)(Code)(Java Doc)
public void addDepth(DepthSelector selector)(Code)(Java Doc)
public void addDifferent(DifferentSelector selector)(Code)(Java Doc)
public void addFilename(FilenameSelector selector)(Code)(Java Doc)
public void addMajority(MajoritySelector selector)(Code)(Java Doc)
public void addModified(ModifiedSelector selector)(Code)(Java Doc)
public void addNone(NoneSelector selector)(Code)(Java Doc)
public void addNot(NotSelector selector)(Code)(Java Doc)
public void addOr(OrSelector selector)(Code)(Java Doc)
public void addPresent(PresentSelector selector)(Code)(Java Doc)
public void addSelector(SelectSelector selector)(Code)(Java Doc)
public void addSize(SizeSelector selector)(Code)(Java Doc)
public void addType(TypeSelector selector)(Code)(Java Doc)
public void appendSelector(FileSelector selector)(Code)(Java Doc)
public PatternSet.NameEntry createExclude()(Code)(Java Doc)
public PatternSet.NameEntry createExcludesFile()(Code)(Java Doc)
public PatternSet.NameEntry createInclude()(Code)(Java Doc)
public PatternSet.NameEntry createIncludesFile()(Code)(Java Doc)
public PatternSet createPatternSet()(Code)(Java Doc)
protected DirectoryScanner getDirectoryScanner(File baseDir)(Code)(Java Doc)
final protected FileSet getImplicitFileSet()(Code)(Java Doc)
public FileSelector[] getSelectors(Project p)(Code)(Java Doc)
public boolean hasSelectors()(Code)(Java Doc)
public int selectorCount()(Code)(Java Doc)
public Enumeration selectorElements()(Code)(Java Doc)
public void setCaseSensitive(boolean isCaseSensitive)(Code)(Java Doc)
public void setDefaultexcludes(boolean useDefaultExcludes)(Code)(Java Doc)
public void setExcludes(String excludes)(Code)(Java Doc)
public void setExcludesfile(File excludesfile)(Code)(Java Doc)
public void setFollowSymlinks(boolean followSymlinks)(Code)(Java Doc)
public void setIncludes(String includes)(Code)(Java Doc)
public void setIncludesfile(File includesfile)(Code)(Java Doc)
public void setProject(Project project)(Code)(Java Doc)

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