ApiPreconditionCheckerHook (JOSM)

java.lang.Object
- org.openstreetmap.josm.actions.upload.ApiPreconditionCheckerHook

All Implemented Interfaces:

UploadHook
```
public class ApiPreconditionCheckerHook
extends java.lang.Object
implements UploadHook
```
Checks certain basic conditions, that are listed in the OSM API Capabilities.

Field Summary

Fields
Modifier and Type Field Description

(package private) static AbstractProperty<java.lang.Boolean> PREF_LENGTH_CHECK

Constructor Summary

Constructors
Constructor Description

ApiPreconditionCheckerHook()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private static boolean`	`checkMaxNodes(java.util.Collection<OsmPrimitive> primitives, long maxNodes)`
`boolean`	`checkUpload(APIDataSet apiData)`	Check and/or change the data to be uploaded.
`private static boolean`	`valueLengthCheck(OsmPrimitive osmPrimitive)`	Check that the tag values of a primitive are not too long.

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

Methods inherited from interface org.openstreetmap.josm.actions.upload.UploadHook
modifyChangesetTags

- Field Detail
  - PREF_LENGTH_CHECK
```
static AbstractProperty<java.lang.Boolean> PREF_LENGTH_CHECK
```
- Constructor Detail
  - ApiPreconditionCheckerHook
```
public ApiPreconditionCheckerHook()
```
- Method Detail
  - checkUpload
```
public boolean checkUpload(APIDataSet apiData)
```
    Description copied from interface: UploadHook
    
    Check and/or change the data to be uploaded. Default implementation is to approve the upload.
    
    Specified by:
    
    checkUpload in interface UploadHook
    
    Parameters:
    
    apiData - the data to upload, modify this to change the data.
    
    Returns:
    
    true if upload is possible, false to block the upload.
  - checkMaxNodes
```
private static boolean checkMaxNodes(java.util.Collection<OsmPrimitive> primitives,
                                     long maxNodes)
```
  - valueLengthCheck
```
private static boolean valueLengthCheck(OsmPrimitive osmPrimitive)
```
    Check that the tag values of a primitive are not too long.
    
    Parameters:
    
    osmPrimitive - the primitive to check
    
    Returns:
    
    false if any tag value of the primitive is too long, true else