ImageUtil (gov.nasa.pds:validate 3.5.2 API)

java.lang.Object
- gov.nasa.pds.tools.util.ImageUtil

```
public class ImageUtil
extends Object
```
A class that validate if these image files {JPEG, PNG) files are valid.

Constructor Summary

Constructors
Constructor Description

ImageUtil()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isJPEG(String jpegBase, URL parentURL)`	Check if a JPEG file is valid by inspecting the first 2 bytes for 0xffd8 and last 2 bytes for 0xffd9.
`boolean`	`isPNG(String pngBase, URL parentURL)`	Check if a PNG file is valid by inspecting if the 1st group 4 bytes are 0x89504e47 and the 2nd group of 4 bytes are 0x0d0a1a0a

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

- Constructor Detail
  - ImageUtil
```
public ImageUtil()
```
- Method Detail
  - isJPEG
```
public boolean isJPEG(String jpegBase,
                      URL parentURL)
               throws Exception
```
    Check if a JPEG file is valid by inspecting the first 2 bytes for 0xffd8 and last 2 bytes for 0xffd9.
    
    Parameters:
    
    jpegBase - The basename of the JPEG file
    
    parentURL - The URL of the parent of basename
    
    Returns:
    
    true if the JPEG file is valid false otherwise
    
    Throws:
    
    Exception
  - isPNG
```
public boolean isPNG(String pngBase,
                     URL parentURL)
              throws Exception
```
    Check if a PNG file is valid by inspecting if the 1st group 4 bytes are 0x89504e47 and the 2nd group of 4 bytes are 0x0d0a1a0a
    
    Parameters:
    
    pngBase - The basename of the PNG file
    
    parentURL - The URL of the parent of basename
    
    Returns:
    
    true if the PNG file is valid false otherwise
    
    Throws:
    
    Exception