## org.apache.batik.bridge
Class DocumentLoader

    java.lang.Object
      org.apache.batik.bridge.DocumentLoader

public class DocumentLoader
extends java.lang.Object

This class is responsible on loading an SVG document and maintaining a cache.

Field Summary
`protected BridgeContext` `bridgeContext` The bridge context.
`protected java.util.HashMap` `cacheMap` The map that contains the Document indexed by the URI.
`protected SVGDocumentFactory` `documentFactory` The document factory used to create the document according a DOM implementation.
`protected UserAgent` `userAgent` The user agent.

Constructor Summary
`protected` `DocumentLoader()` Constructs a new `DocumentLoader`.
`` `DocumentLoader(UserAgent userAgent)` Constructs a new `DocumentLoader` with the specified XML parser.

Method Summary
`org.w3c.dom.Document` `checkCache(java.lang.String uri)`
`void` `dispose()` Disposes and releases all resources allocated by this document loader.
`int` `getLineNumber(org.w3c.dom.Element e)` Returns the line in the source code of the specified element or -1 if not found.
`UserAgent` `getUserAgent()` Returns the userAgent used by this DocumentLoader
`org.w3c.dom.Document` `loadDocument(java.lang.String uri)` Returns a document from the specified uri.
`org.w3c.dom.Document` `loadDocument(java.lang.String uri, java.io.InputStream is)` Returns a document from the specified uri.
`void` `setBridgeContext(BridgeContext bc)` Sets the bridge context.

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

Field Detail

### documentFactory

    protected SVGDocumentFactory documentFactory

  The document factory used to create the document according a DOM implementation.

### cacheMap

    protected java.util.HashMap cacheMap

  The map that contains the Document indexed by the URI. WARNING: tagged private as no element of this Map should be referenced outise of this class

### userAgent

    protected UserAgent userAgent

  The user agent.

### bridgeContext

    protected BridgeContext bridgeContext

  The bridge context.

Constructor Detail

### DocumentLoader

    protected DocumentLoader()

  Constructs a new `DocumentLoader`.

### DocumentLoader

    public DocumentLoader(UserAgent userAgent)

  Constructs a new `DocumentLoader` with the specified XML parser.

Parameters:
  `userAgent` - the user agent to use

Method Detail

### checkCache

    public org.w3c.dom.Document checkCache(java.lang.String uri)

### loadDocument

    public org.w3c.dom.Document loadDocument(java.lang.String uri)
                                      throws java.io.IOException

  Returns a document from the specified uri.

  Parameters:
    `uri` - the uri of the document
  Throws:
    `java.io.IOException` - if an I/O error occured while loading the document

### loadDocument

    public org.w3c.dom.Document loadDocument(java.lang.String uri,
                                             java.io.InputStream is)
                                      throws java.io.IOException

  Returns a document from the specified uri.

  Parameters:
    `uri` - the uri of the document
  Throws:
    `java.io.IOException` - if an I/O error occured while loading the document

### setBridgeContext

    public void setBridgeContext(BridgeContext bc)

  Sets the bridge context.

### getUserAgent

    public UserAgent getUserAgent()

  Returns the userAgent used by this DocumentLoader

### dispose

    public void dispose()

  Disposes and releases all resources allocated by this document loader.

### getLineNumber

    public int getLineNumber(org.w3c.dom.Element e)

  Returns the line in the source code of the specified element or -1 if not found.

  Parameters:
    `e` - the element
  Returns:
    -1 the document has been removed from the cache or has not been loaded by this document loader.

Copyright © 2004 Apache Software Foundation. All Rights Reserved.