IHelpContentProducer (Eclipse Platform API Specification)

```
public interface IHelpContentProducer
```
Producer capable of generating or otherwise obtaining contents for help resources. A plug-in can contribute instance of IHelpContentProducer to "org.eclipse.help.contentProducer" extension point. When content for a resource is needed from a plug-in is needed, help tries to obtain content from instance of this class contributed by the plugin. If IHelpContentProvider does not return the content, help system searches doc.zip and plug-in install location for the file and reads its content.

Since:

3.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`InputStream`	`getInputStream(String pluginID, String href, Locale locale)`	Obtains content of a specified help resource.

- Method Detail
  - getInputStream
```
InputStream getInputStream(String pluginID,
                           String href,
                           Locale locale)
```
    Obtains content of a specified help resource. If resource for a given path does not exist, a null should be returned. If topic content is static, and corresponding file exist in a plug-in directory or doc.zip file, null might be return as help system can read the file content itself.
    
    Parameters:
    
    pluginID - unique identifier of a plug-in containing the resource
    
    href - path of the resource in a plug-in.
    An href has a format path/to/resource or path/to/resource?parameter=value1&parameter2=value2... For example, references/myclass.html may be passed.
    
    locale - used by the client. In most cases, content in a user language should be produced.
    
    Returns:
    
    InputStream or null if specified resource is not dynamic and should be read from doc.zip or plug-in install location.