Package 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:
  `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

Constructors
Constructor
Description
`IsSigned()`

## Method Summary

Modifier and Type
Method
Description
`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(File zipFile, 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(File file)`
The jarfile that is to be tested for the presence of a signature.
`void`
`setName(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, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, 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 Details

### IsSigned

public IsSigned()

## Method Details

### setFile

public void setFile(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(String name)
The signature name to check jarfile for.

Parameters:
  `name` - signature to look for.

### isSigned

public static boolean isSigned(File zipFile, String name) throws 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:
  `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.