Java Doc for DigestAlgorithm.java in  » Build » ANT » org » apache » tools » ant » types » selectors » modifiedselector » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Build » ANT » org.apache.tools.ant.types.selectors.modifiedselector   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.tools.ant.types.selectors.modifiedselector.DigestAlgorithm DigestAlgorithm public class DigestAlgorithm implements Algorithm(Code) Computes a 'hashvalue' for the content of file using java.security.MessageDigest. Use of this algorithm doesn't require any additional nested s. Supported s are: name values description required algorithm.algorithm MD5 | SHA (default provider) name of the algorithm the provider should use no, defaults to MD5 algorithm.provider name of the provider to use no, defaults to null version:    2004-07-08 since:    Ant 1.6 Method Summary public  String getValue(File file)      Computes a value for a file content with the specified digest algorithm. Parameters:   file - File object for which the value should be evaluated. public  void initMessageDigest()      Initialize the security message digest. public  boolean isValid()      This algorithm supports only MD5 and SHA. public  void setAlgorithm(String algorithm)      Specifies the algorithm to be used to compute the checksum. Defaults to "MD5". public  void setProvider(String provider)      Sets the MessageDigest algorithm provider to be used to calculate the checksum. public  String toString()      Override Object.toString(). Method Detail getValue public String getValue(File file)(Code) Computes a value for a file content with the specified digest algorithm. Parameters:   file - File object for which the value should be evaluated. The value for that file initMessageDigest public void initMessageDigest()(Code) Initialize the security message digest. isValid public boolean isValid()(Code) This algorithm supports only MD5 and SHA. true if all is ok, otherwise false. 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 - the digest algorithm to use setProvider public void setProvider(String provider)(Code) Sets the MessageDigest algorithm provider to be used to calculate the checksum. Parameters:   provider - provider to use toString public String toString()(Code) Override Object.toString(). some information about this algorithm. 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)