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LoadDocument.javaAPI DocJava SE 5 API11766Fri Aug 26 14:55:40 BST 2005com.sun.org.apache.xalan.internal.xsltc.dom

LoadDocument

public final class LoadDocument extends Object
author
Morten Jorgensen

Fields Summary
private static final String
NAMESPACE_FEATURE
Constructors Summary
Methods Summary
private static com.sun.org.apache.xml.internal.dtm.DTMAxisIteratordocument(java.lang.String uri, java.lang.String base, com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet translet, com.sun.org.apache.xalan.internal.xsltc.DOM dom)

        return document(uri, base, translet, dom, false);
private static com.sun.org.apache.xml.internal.dtm.DTMAxisIteratordocument(java.lang.String uri, java.lang.String base, com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet translet, com.sun.org.apache.xalan.internal.xsltc.DOM dom, boolean cacheDOM)

        try {
        final String originalUri = uri;
        MultiDOM multiplexer = (MultiDOM)dom;

        // Prepend URI base to URI (from context)
        if (base != null && !base.equals("")) {
            uri = SystemIDResolver.getAbsoluteURI(uri, base);
        }

        // Return an empty iterator if the URI is clearly invalid
        // (to prevent some unncessary MalformedURL exceptions).
        if (uri == null || uri.equals("")) {
            return(EmptyIterator.getInstance());
        }
        
        // Check if this DOM has already been added to the multiplexer
        int mask = multiplexer.getDocumentMask(uri);
        if (mask != -1) {
            DOM newDom = ((DOMAdapter)multiplexer.getDOMAdapter(uri))
                                       .getDOMImpl();
            if (newDom instanceof DOMEnhancedForDTM) {
                return new SingletonIterator(((DOMEnhancedForDTM)newDom)
                                                               .getDocument(),
                                             true);
            } 
        }

        // Check if we can get the DOM from a DOMCache
        DOMCache cache = translet.getDOMCache();
        DOM newdom;

        mask = multiplexer.nextMask(); // peek

        if (cache != null) {
            newdom = cache.retrieveDocument(base, originalUri, translet);
            if (newdom == null) {
                final Exception e = new FileNotFoundException(originalUri);
                throw new TransletException(e);
            }
        } else {
            // Parse the input document and construct DOM object
            // Trust the DTMManager to pick the right parser and
            // set up the DOM correctly.
            XSLTCDTMManager dtmManager = (XSLTCDTMManager)multiplexer
                                                              .getDTMManager();
            DOMEnhancedForDTM enhancedDOM =
                    (DOMEnhancedForDTM) dtmManager.getDTM(new StreamSource(uri),
                                            false, null, true, false,
                                            translet.hasIdCall(), cacheDOM);
            newdom = enhancedDOM;

            // Cache the stylesheet DOM in the Templates object
            if (cacheDOM) {
                TemplatesImpl templates = (TemplatesImpl)translet.getTemplates();
                if (templates != null) {
                    templates.setStylesheetDOM(enhancedDOM);
                }
            }
            
            translet.prepassDocument(enhancedDOM);
            enhancedDOM.setDocumentURI(uri);
        }

        // Wrap the DOM object in a DOM adapter and add to multiplexer
        final DOMAdapter domAdapter = translet.makeDOMAdapter(newdom);
        multiplexer.addDOMAdapter(domAdapter);

        // Create index for any key elements
        translet.buildKeys(domAdapter, null, null, newdom.getDocument());

        // Return a singleton iterator containing the root node
        return new SingletonIterator(newdom.getDocument(), true);
        } catch (Exception e) {
            throw e;
        }
private static com.sun.org.apache.xml.internal.dtm.DTMAxisIteratordocument(com.sun.org.apache.xml.internal.dtm.DTMAxisIterator arg1, java.lang.String baseURI, com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet translet, com.sun.org.apache.xalan.internal.xsltc.DOM dom)

        UnionIterator union = new UnionIterator(dom);
        int node = DTM.NULL;

        while ((node = arg1.next()) != DTM.NULL) {
            String uri = dom.getStringValueX(node);
            //document(node-set) if true;  document(node-set,node-set) if false
            if (baseURI  == null) {
               baseURI = dom.getDocumentURI(node);
               if (!SystemIDResolver.isAbsoluteURI(baseURI))
                    baseURI = SystemIDResolver.getAbsoluteURIFromRelative(baseURI);
            }
            union.addIterator(document(uri, baseURI, translet, dom));
        }
        return(union);
private static com.sun.org.apache.xml.internal.dtm.DTMAxisIteratordocument(com.sun.org.apache.xalan.internal.xsltc.DOM newdom, com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet translet, com.sun.org.apache.xalan.internal.xsltc.DOM dom)
Create a DTMAxisIterator for the newdom. This is currently only used to create an iterator for the cached stylesheet DOM.

param
newdom the cached stylesheet DOM
param
translet the translet
param
the main dom (should be a MultiDOM)
return
a DTMAxisIterator from the document root

        DTMManager dtmManager = ((MultiDOM)dom).getDTMManager();
        // Need to migrate the cached DTM to the new DTMManager
        if (dtmManager != null && newdom instanceof DTM) {
            ((DTM)newdom).migrateTo(dtmManager);
        }
    	
    	translet.prepassDocument(newdom);
        
        // Wrap the DOM object in a DOM adapter and add to multiplexer
        final DOMAdapter domAdapter = translet.makeDOMAdapter(newdom);
        ((MultiDOM)dom).addDOMAdapter(domAdapter);

        // Create index for any key elements
        translet.buildKeys(domAdapter, null, null,
                           newdom.getDocument());

        // Return a singleton iterator containing the root node
        return new SingletonIterator(newdom.getDocument(), true);
public static com.sun.org.apache.xml.internal.dtm.DTMAxisIteratordocumentF(java.lang.Object arg1, com.sun.org.apache.xml.internal.dtm.DTMAxisIterator arg2, java.lang.String xslURI, com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet translet, com.sun.org.apache.xalan.internal.xsltc.DOM dom)
Interprets the arguments passed from the document() function (see com/sun/org/apache/xalan/internal/xsltc/compiler/DocumentCall.java) and returns an iterator containing the requested nodes. Builds a union-iterator if several documents are requested. 2 arguments arg1 and arg2. document(Obj, node-set) call


                                             
          
                                 
      
        String baseURI = null;
        final int arg2FirstNode = arg2.next();
        if (arg2FirstNode == DTMAxisIterator.END) {
            //  the second argument node-set is empty
            return EmptyIterator.getInstance();
        } else {
            //System.err.println("arg2FirstNode name: "
            //                   + dom.getNodeName(arg2FirstNode )+"["
            //                   +Integer.toHexString(arg2FirstNode )+"]");
            baseURI = dom.getDocumentURI(arg2FirstNode);
            if (!SystemIDResolver.isAbsoluteURI(baseURI))
               baseURI = SystemIDResolver.getAbsoluteURIFromRelative(baseURI);
        }
      
        try {
            if (arg1 instanceof String) {
                if (((String)arg1).length() == 0) {
                    return document(xslURI, "", translet, dom);
                } else {
                    return document((String)arg1, baseURI, translet, dom);
                }
            } else if (arg1 instanceof DTMAxisIterator) {
                return document((DTMAxisIterator)arg1, baseURI, translet, dom);
            } else {
                final String err = "document("+arg1.toString()+")";
                throw new IllegalArgumentException(err);
            }      
        } catch (Exception e) {
            throw new TransletException(e);
        }
public static com.sun.org.apache.xml.internal.dtm.DTMAxisIteratordocumentF(java.lang.Object arg, java.lang.String xslURI, com.sun.org.apache.xalan.internal.xsltc.runtime.AbstractTranslet translet, com.sun.org.apache.xalan.internal.xsltc.DOM dom)
Interprets the arguments passed from the document() function (see com/sun/org/apache/xalan/internal/xsltc/compiler/DocumentCall.java) and returns an iterator containing the requested nodes. Builds a union-iterator if several documents are requested. 1 arguments arg. document(Obj) call

        try {
            if (arg instanceof String) {
                if (xslURI == null ) 
                    xslURI="";
                String baseURI = xslURI;
                if (!SystemIDResolver.isAbsoluteURI(xslURI))
                   baseURI = SystemIDResolver.getAbsoluteURIFromRelative(xslURI);
                
                String href = (String)arg;
                if (href.length() == 0) {
                    href = "";
                    // %OPT% Optimization to cache the stylesheet DOM.
                    // The stylesheet DOM is built once and cached
                    // in the Templates object.
                    TemplatesImpl templates = (TemplatesImpl)translet.getTemplates();
                    DOM sdom = null;
                    if (templates != null) {
                        sdom = templates.getStylesheetDOM();
                    }
                    
                    // If the cached dom exists, we need to migrate it
                    // to the new DTMManager and create a DTMAxisIterator
                    // for the document.
                    if (sdom != null) {
                    	return document(sdom, translet, dom);
                    }
                    else {
                    	return document(href, baseURI, translet, dom, true);
                    } 
                }
                else {
                    return document(href, baseURI, translet, dom);
                }
            } else if (arg instanceof DTMAxisIterator) {
                return document((DTMAxisIterator)arg, null, translet, dom);
            } else {
                final String err = "document("+arg.toString()+")";
                throw new IllegalArgumentException(err);
            }      
        } catch (Exception e) {
            throw new TransletException(e);
        }