diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/region/Region2ElementAdapter.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/region/Region2ElementAdapter.java | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/region/Region2ElementAdapter.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/region/Region2ElementAdapter.java deleted file mode 100644 index 2ed641012..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/region/Region2ElementAdapter.java +++ /dev/null @@ -1,242 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2008 Oracle Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Oracle Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.core.internal.region; - -import java.util.Collections; -import java.util.HashMap; -import java.util.Map; - -import org.eclipse.jst.jsf.common.dom.ElementDOMAdapter; -import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver; -import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory; -import org.eclipse.jst.jsf.context.resolver.structureddocument.ITaglibContextResolver; -import org.eclipse.jst.jsf.context.resolver.structureddocument.internal.IStructuredDocumentContextResolverFactory2; -import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext; -import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContextFactory; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionCollection; -import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext; -import org.w3c.dom.Element; -import org.w3c.dom.NamedNodeMap; -import org.w3c.dom.Node; - -/** - * Adapt a region object for DOM element information. Does not implement entire - * DOM interface. Object is lazily initialized and not thread-safe. - * - * @author cbateman - * - */ -public class Region2ElementAdapter extends ElementDOMAdapter -{ - private final RegionProcessorStrategy _regionParser; - - /** - * Create a new adapter for this region. If the region does not contain - * enough information to construct a meaningful adapter, it will throw - * NoElementException. The adapter is lazily initialized and won't process - * the region until the first call to a get method is made. - * - * @param region - * @throws NoElementException - */ - public Region2ElementAdapter(final ITextRegion region) - throws NoElementException - { - _regionParser = new RegionProcessorStrategy(region); - } - - @Override - public Map<String, Region2AttrAdapter> getAttributes() - { - return _regionParser.getAttributes(); - } - - @Override - public String getNamespace() - { - return _regionParser.getNamespace(); - } - - @Override - public String getLocalName() - { - return _regionParser.getLocalName(); - } - - @Override - public String getNodeName() - { - return _regionParser.getNodeName(); - } - - @Override - public String getPrefix() - { - return _regionParser.getPrefix(); - } - - /** - * @return the structured document context - */ - public IStructuredDocumentContext getDocumentContext() - { - return _regionParser._context; - } - - /** - * @return an ITextRegion containing absolute offset information for this element - */ - public ITextRegionCollection getTextRegion() - { - return _regionParser._region; - } - - /** - * @return the element - */ - public Element getElement() - { - return (Element) _regionParser._node; - } - - private class RegionProcessorStrategy - { - private final ITextRegionCollection _region; - - private Map<String, Region2AttrAdapter> _attributes; - private Node _node; - private IStructuredDocumentContext _context; - - RegionProcessorStrategy(final ITextRegion region) throws NoElementException - { - if (!(region instanceof ITextRegionCollection) - || ((ITextRegionCollection) region).getFirstRegion() - .getType() != DOMRegionContext.XML_TAG_OPEN) - { - throw new NoElementException( - "Region is not a collection with an open tag"); //$NON-NLS-1$ - } - - _region = (ITextRegionCollection) region; - - _context = - IStructuredDocumentContextFactory.INSTANCE.getContext( - ((IStructuredDocumentRegion) _region) - .getParentDocument(), _region - .getStartOffset()); - - if (_context == null) - { - throw new NoElementException( - "Couldn't acquire structured document context"); //$NON-NLS-1$ - } - - final IDOMContextResolver resolver = - IStructuredDocumentContextResolverFactory.INSTANCE - .getDOMContextResolver(_context); - - if (resolver == null) - { - throw new NoElementException("Couldn't acquire dom resolver"); //$NON-NLS-1$ - } - - _node = resolver.getNode(); - - if (_node == null) - { - throw new NoElementException("Couldn't get Node from region"); //$NON-NLS-1$ - } - } - - public String getLocalName() - { - return _node.getLocalName(); - } - - public String getNodeName() - { - return _node.getNodeName(); - } - - public String getPrefix() - { - return _node.getPrefix(); - } - - public String getNamespace() - { - final ITaglibContextResolver tagLibResolver = - IStructuredDocumentContextResolverFactory2.INSTANCE - .getTaglibContextResolverFromDelegates(_context); - - if (tagLibResolver != null) - { - return tagLibResolver.getTagURIForNodeName(_node); - } - - return null; - } - - public Map<String, Region2AttrAdapter> getAttributes() - { - mapAttributesOnlyOnce(); - return Collections.unmodifiableMap(_attributes); - } - - private void mapAttributesOnlyOnce() - { - // only once - if (_attributes != null) - return; - - _attributes = Collections.EMPTY_MAP; - - final NamedNodeMap attributes = _node.getAttributes(); - - if (attributes != null) - { - final int numAttrs = attributes.getLength(); - _attributes = new HashMap<String, Region2AttrAdapter>( - (int) (numAttrs / 0.75f) + 1, 0.75f); - for (int i = 0; i < numAttrs; i++) - { - final Node nodeAttr = attributes.item(i); - Region2AttrAdapter attr = new Region2AttrAdapter( - Region2ElementAdapter.this, nodeAttr); - _attributes.put(attr.getLocalName(), attr); - } - } - } - } - - /** - * Indicates that construction of this adapter failed because an IRegion - * didn't have sufficient information (or didn't represent an element at - * all) - * - * @author cbateman - * - */ - public static class NoElementException extends Exception - { - /** - * serializable id - */ - private static final long serialVersionUID = -4479154049727036580L; - - private NoElementException(final String reason) - { - super(reason); - } - } -} |