## org.apache.tools.ant.taskdefs.condition
Class IsSigned

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.types.DataType
              org.apache.tools.ant.taskdefs.condition.IsSigned

All Implemented Interfaces:
  java.lang.Cloneable, Condition

    public class IsSigned

extends DataType
implements Condition

Checks whether a jarfile is signed: if the name of the signature is passed, the file is checked for presence of that particular signature; otherwise the file is checked for the existence of any signature.

Field Summary

Fields inherited from class org.apache.tools.ant.types.DataType
`checked, ref`

Fields inherited from class org.apache.tools.ant.ProjectComponent
`description, location, project`

Constructor Summary
`IsSigned()`

Method Summary
`boolean` `eval()` Returns `true` if the file exists and is signed with the signature specified, or, if `name` wasn't specified, if the file contains a signature.
`static boolean` `isSigned(java.io.File zipFile, java.lang.String name)` Returns `true` if the file exists and is signed with the signature specified, or, if `name` wasn't specified, if the file contains a signature.
`void` `setFile(java.io.File file)` The jarfile that is to be tested for the presence of a signature.
`void` `setName(java.lang.String name)` The signature name to check jarfile for.

Methods inherited from class org.apache.tools.ant.types.DataType
`checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, setChecked, setRefid, tooManyAttributes, toString`

Methods inherited from class org.apache.tools.ant.ProjectComponent
`getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject`

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

Constructor Detail

### IsSigned

    public IsSigned()

Method Detail

### setFile

    public void setFile(java.io.File file)

  The jarfile that is to be tested for the presence of a signature.

  Parameters:
    `file` - jarfile to be tested.

### setName

    public void setName(java.lang.String name)

  The signature name to check jarfile for.

  Parameters:
    `name` - signature to look for.

### isSigned

    public static boolean isSigned(java.io.File zipFile,
                                   java.lang.String name)
                            throws java.io.IOException

  Returns `true` if the file exists and is signed with the signature specified, or, if `name` wasn't specified, if the file contains a signature.

  Parameters:
    `zipFile` - the zipfile to check
    `name` - the signature to check (may be killed)
  Returns:
    true if the file is signed.
  Throws:
    `java.io.IOException` - on error

### eval

    public boolean eval()

  Returns `true` if the file exists and is signed with the signature specified, or, if `name` wasn't specified, if the file contains a signature.

  Specified by:
    `eval` in interface `Condition`
  Returns:
    true if the file is signed.