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## org.junit.rules
Class TemporaryFolder

    java.lang.Object
      org.junit.rules.ExternalResource
          org.junit.rules.TemporaryFolder

All Implemented Interfaces:
  TestRule

    public class TemporaryFolder

extends ExternalResource

The TemporaryFolder Rule allows creation of files and folders that are guaranteed to be deleted when the test method finishes (whether it passes or fails):

     public static class HasTempFolder {
            @Rule
            public TemporaryFolder folder= new TemporaryFolder();

            @Test
            public void testUsingTempFolder() throws IOException {
                    File createdFile= folder.newFile("myfile.txt");
                    File createdFolder= folder.newFolder("subfolder");
                    // ...
            }
     }

Constructor Summary
`TemporaryFolder()`

Method Summary
`protected void` | `after()` Override to tear down your specific external resource.
`protected void` | `before()` Override to set up your specific external resource.
`void` | `create()` for testing purposes only.
`void` | `delete()` Delete all files and folders under the temporary folder.
`File` | `getRoot()`
`File` | `newFile()` Returns a new fresh file with a random name under the temporary folder.
`File` | `newFile(String fileName)` Returns a new fresh file with the given name under the temporary folder.
`File` | `newFolder()` Returns a new fresh folder with a random name under the temporary folder.
`File` | `newFolder(String... folderNames)` Returns a new fresh folder with the given name under the temporary folder.

Methods inherited from class org.junit.rules.ExternalResource
`apply`

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

Constructor Detail

### TemporaryFolder

    public TemporaryFolder()

Method Detail

### before

    protected void before()
                   throws Throwable

  Description copied from class: `ExternalResource`
  Override to set up your specific external resource.

  Overrides:
    `before` in class `ExternalResource`
  Throws:
    `Throwable`

### after

    protected void after()

  Description copied from class: `ExternalResource`
  Override to tear down your specific external resource.

  Overrides:
    `after` in class `ExternalResource`

### create

    public void create()
                throws IOException

  for testing purposes only. Do not use.

  Throws:
    `IOException`

### newFile

    public File newFile(String fileName)
                 throws IOException

  Returns a new fresh file with the given name under the temporary folder.

  Throws:
    `IOException`

### newFile

    public File newFile()
                 throws IOException

  Returns a new fresh file with a random name under the temporary folder.

  Throws:
    `IOException`

### newFolder

    public File newFolder(String... folderNames)

  Returns a new fresh folder with the given name under the temporary folder.

### newFolder

    public File newFolder()
                   throws IOException

  Returns a new fresh folder with a random name under the temporary folder.

  Throws:
    `IOException`

### getRoot

    public File getRoot()

  Returns:
    the location of this temporary folder.

### delete

    public void delete()

  Delete all files and folders under the temporary folder. Usually not called directly, since it is automatically applied by the `Rule`

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