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java.lang.Objectorg.apache.tools.ant.types.selectors.modifiedselector.ChecksumAlgorithm
public class ChecksumAlgorithm
Computes a 'checksum' for the content of file using java.util.zip.CRC32 and java.util.zip.Adler32. Use of this algorithm doesn't require any additional nested s. Supported s are:
| name | values | description | required |
|---|---|---|---|
| algorithm.algorithm | ADLER | CRC ( default ) | name of the algorithm the checksum should use | no, defaults to CRC |
| Constructor Summary | |
|---|---|
ChecksumAlgorithm()
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| Method Summary | |
|---|---|
java.lang.String |
getValue(java.io.File file)
Computes a value for a file content with the specified checksum algorithm. |
void |
initChecksum()
Initialize the checksum interface. |
boolean |
isValid()
This algorithm supports only CRC and Adler. |
void |
setAlgorithm(java.lang.String algorithm)
Specifies the algorithm to be used to compute the checksum. |
java.lang.String |
toString()
Override Object.toString(). |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public ChecksumAlgorithm()
| Method Detail |
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public void setAlgorithm(java.lang.String algorithm)
algorithm - the digest algorithm to usepublic void initChecksum()
public boolean isValid()
isValid in interface Algorithmpublic java.lang.String getValue(java.io.File file)
getValue in interface Algorithmfile - File object for which the value should be evaluated.
public java.lang.String toString()
toString in class java.lang.Object
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