Cacher

java.lang.Object
- skyview.survey.Cacher

```
public class Cacher
extends java.lang.Object
```
This class handles interactions with the file cache.

Constructor Summary

Constructors
Constructor Description

Cacher()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`cacheRemoteURL(java.lang.String url, java.lang.String cacheFile)`	Read a URL into the cache and return the full path to the cached file.
`java.lang.String`	`getCachedFileName(java.lang.String file)`	See if there is a file in the cache that is of the approprite name.
`java.lang.String`	`getFile(java.lang.String url, java.lang.String file)`
`java.lang.String`	`getSurveySubdir()`	If we are divvying the cache by surveys, find the appropriate name for the current survey subdirectory.
`java.lang.String`	`getWriteCache()`	Find the name of the write cache directory and if necessary create it

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

- Constructor Detail
  - Cacher
```
public Cacher()
```
- Method Detail
  - getSurveySubdir
```
public java.lang.String getSurveySubdir()
```
    If we are divvying the cache by surveys, find the appropriate name for the current survey subdirectory.
    
    Returns:
    
    The escaped name of the survey.
  - getCachedFileName
```
public java.lang.String getCachedFileName(java.lang.String file)
```
    See if there is a file in the cache that is of the approprite name.
    
    Parameters:
    
    file -
    
    Returns:
    
    The full path to the file.
  - getWriteCache
```
public java.lang.String getWriteCache()
```
    Find the name of the write cache directory and if necessary create it
  - cacheRemoteURL
```
public java.lang.String cacheRemoteURL(java.lang.String url,
                                       java.lang.String cacheFile)
                                throws java.lang.Exception
```
    Read a URL into the cache and return the full path to the cached file.
    
    Throws:
    
    java.lang.Exception
  - getFile
```
public java.lang.String getFile(java.lang.String url,
                                java.lang.String file)
                         throws java.lang.Exception
```
    Throws:
    
    java.lang.Exception