TagVisitor (Hippo CMS7 Services 15.3.0 API)

All Superinterfaces:

Serializable
```
public interface TagVisitor
extends Serializable
```
Visits Tags that are part of a DOM tree.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`after()`	Called after the visitor is applied to the DOM tree.
`void`	`before()`	Called before the visitor is applied to the DOM tree.
`void`	`onRead(Tag parent, Tag tag)`	Called by `HtmlProcessor.read(String, List)` for each `Tag` in the DOM tree.
`void`	`onWrite(Tag parent, Tag tag)`	Called by `HtmlProcessor.write(String, List)` for each `Tag` in the DOM tree.

- Method Detail
  - onRead
```
void onRead(Tag parent,
            Tag tag)
     throws RepositoryException
```
    Called by HtmlProcessor.read(String, List) for each Tag in the DOM tree.
    
    Parameters:
    
    parent - The parent of the tag parameter, or null if the tag is the root node of the DOM tree
    
    tag - The visited tag
    
    Throws:
    
    RepositoryException - when an error occurred. Visiting will continue for the other tags.
  - onWrite
```
void onWrite(Tag parent,
             Tag tag)
      throws RepositoryException
```
    Called by HtmlProcessor.write(String, List) for each Tag in the DOM tree.
    
    Parameters:
    
    parent - The parent of the tag parameter, or null if the tag is the root node of the DOM tree
    
    tag - The visited tag
    
    Throws:
    
    RepositoryException - when an error occurred. Visiting will continue for the other tags.
  - before
```
void before()
```
    Called before the visitor is applied to the DOM tree.
  - after
```
void after()
```
    Called after the visitor is applied to the DOM tree.