LibraryChecker (Fiji Javadocs 0-SNAPSHOT API)

java.lang.Object
- loci.plugins.util.LibraryChecker

```
public final class LibraryChecker
extends Object
```
Utility methods for verifying that classes are present and versions are correct.

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class LibraryChecker.Library
List of possible libraries for which to check.

Nested Classes
Modifier and Type	Class and Description
`static class`	`LibraryChecker.Library` List of possible libraries for which to check.

Field Summary

Fields
Modifier and Type	Field and Description
`static String`	`IMAGEJ_MSG` Message to be displayed if ImageJ is too old for Bio-Formats plugins.
`static String`	`IMAGEJ_VERSION` Minimum version of ImageJ necessary for Bio-Formats plugins.
`static String`	`URL_BF_SOFTWARE` URL for Bio-Formats web page.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static boolean`	`checkClass(String className)` Checks whether the given class is available.
`static boolean`	`checkImageJ()` Checks whether ImageJ is new enough for the Bio-Formats plugins.
`static boolean`	`checkImageJ(String target, String msg)` Returns true the current ImageJ version is greater than or equal to the specified version.
`static boolean`	`checkImageJ(String target, String msg, String title)` Returns true the current ImageJ version is greater than or equal to the specified version.
`static boolean`	`checkJava()` Checks for a new enough version of the Java Runtime Environment.
`static void`	`checkLibrary(LibraryChecker.Library library, HashSet<String> missing)` Checks for a required library.
`static void`	`checkLibrary(String className, String jarFile, HashSet<String> missing)` Checks whether the given class is available; if not, adds the specified JAR file name to the hash set (presumably to report it missing to the user).
`static boolean`	`checkMissing(HashSet<String> missing)` Reports missing libraries in the given hash set to the user.

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

- Field Detail
  - IMAGEJ_VERSION
```
public static final String IMAGEJ_VERSION
```
    Minimum version of ImageJ necessary for Bio-Formats plugins.
    
    See Also:
    
    Constant Field Values
  - IMAGEJ_MSG
```
public static final String IMAGEJ_MSG
```
    Message to be displayed if ImageJ is too old for Bio-Formats plugins.
    
    See Also:
    
    Constant Field Values
  - URL_BF_SOFTWARE
```
public static final String URL_BF_SOFTWARE
```
    URL for Bio-Formats web page.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - checkClass
```
public static boolean checkClass(String className)
```
    Checks whether the given class is available.
  - checkLibrary
```
public static void checkLibrary(LibraryChecker.Library library,
                                HashSet<String> missing)
```
    Checks for a required library.
  - checkLibrary
```
public static void checkLibrary(String className,
                                String jarFile,
                                HashSet<String> missing)
```
    Checks whether the given class is available; if not, adds the specified JAR file name to the hash set (presumably to report it missing to the user).
  - checkJava
```
public static boolean checkJava()
```
    Checks for a new enough version of the Java Runtime Environment.
  - checkImageJ
```
public static boolean checkImageJ()
```
    Checks whether ImageJ is new enough for the Bio-Formats plugins.
  - checkImageJ
```
public static boolean checkImageJ(String target,
                                  String msg)
```
    Returns true the current ImageJ version is greater than or equal to the specified version. Displays the given warning message if the current version is too old.
  - checkImageJ
```
public static boolean checkImageJ(String target,
                                  String msg,
                                  String title)
```
    Returns true the current ImageJ version is greater than or equal to the specified version. Displays the given warning message with the specified title if the current version is too old.
  - checkMissing
```
public static boolean checkMissing(HashSet<String> missing)
```
    Reports missing libraries in the given hash set to the user.
    
    Returns:
    
    true iff no libraries are missing (the hash set is empty).

Class LibraryChecker

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

IMAGEJ_VERSION

IMAGEJ_MSG

URL_BF_SOFTWARE

Method Detail

checkClass

checkLibrary

checkLibrary

checkJava

checkImageJ

checkImageJ

checkImageJ

checkMissing