NoDuplicatesResourceRetriever

java.lang.Object
- com.itextpdf.styledxmlparser.resolver.resource.DefaultResourceRetriever
- - com.itextpdf.styledxmlparser.css.parse.syntax.NoDuplicatesResourceRetriever

All Implemented Interfaces:

IResourceRetriever
```
class NoDuplicatesResourceRetriever
extends DefaultResourceRetriever
```
Implementation of DefaultResourceRetriever which returns null if the URL from getInputStreamByUrl(URL) has been already processed by the current instance.

Field Summary

Fields
Modifier and Type Field Description

private java.util.Set<java.lang.String> processedUrls

Constructor Summary

Constructors
Constructor Description

NoDuplicatesResourceRetriever()
Creates a new NoDuplicatesResourceRetriever instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.io.InputStream`	`getInputStreamByUrl(java.net.URL url)`	Gets the input stream with current limit on the number of bytes read, that connect with source URL for retrieving data from that connection.

Methods inherited from class com.itextpdf.styledxmlparser.resolver.resource.DefaultResourceRetriever
getByteArrayByUrl, getConnectTimeout, getReadTimeout, getResourceSizeByteLimit, setConnectTimeout, setReadTimeout, setResourceSizeByteLimit, urlFilter

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

- Field Detail
  - processedUrls
```
private final java.util.Set<java.lang.String> processedUrls
```
- Constructor Detail
  - NoDuplicatesResourceRetriever
```
NoDuplicatesResourceRetriever()
```
    Creates a new NoDuplicatesResourceRetriever instance.
- Method Detail
  - getInputStreamByUrl
```
public java.io.InputStream getInputStreamByUrl(java.net.URL url)
                                        throws java.io.IOException
```
    Description copied from class: DefaultResourceRetriever
    
    Gets the input stream with current limit on the number of bytes read, that connect with source URL for retrieving data from that connection.
    
    Specified by:
    
    getInputStreamByUrl in interface IResourceRetriever
    
    Overrides:
    
    getInputStreamByUrl in class DefaultResourceRetriever
    
    Parameters:
    
    url - the source URL
    
    Returns:
    
    the limited input stream or null if the URL was filtered
    
    Throws:
    
    java.io.IOException - if any input/output issue occurs