diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/modelhandler/JSPModelLoader.java')
-rw-r--r-- | bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/modelhandler/JSPModelLoader.java | 647 |
1 files changed, 0 insertions, 647 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/modelhandler/JSPModelLoader.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/modelhandler/JSPModelLoader.java deleted file mode 100644 index 23b90ab4c9..0000000000 --- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/modelhandler/JSPModelLoader.java +++ /dev/null @@ -1,647 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2009 IBM 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: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsp.core.internal.modelhandler; - -import java.io.BufferedInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.io.Reader; -import java.util.ArrayList; -import java.util.List; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.Path; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.content.IContentDescription; -import org.eclipse.core.runtime.content.IContentType; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IDocumentPartitioner; -import org.eclipse.jst.jsp.core.internal.Logger; -import org.eclipse.jst.jsp.core.internal.contentproperties.JSPFContentProperties; -import org.eclipse.jst.jsp.core.internal.document.PageDirectiveAdapter; -import org.eclipse.jst.jsp.core.internal.document.PageDirectiveAdapterFactory; -import org.eclipse.jst.jsp.core.internal.document.PageDirectiveWatcherFactory; -import org.eclipse.jst.jsp.core.internal.domdocument.DOMModelForJSP; -import org.eclipse.jst.jsp.core.internal.encoding.IJSPHeadContentDetector; -import org.eclipse.jst.jsp.core.internal.encoding.JSPDocumentHeadContentDetector; -import org.eclipse.jst.jsp.core.internal.encoding.JSPDocumentLoader; -import org.eclipse.jst.jsp.core.internal.modelquery.JSPModelQueryAdapterImpl; -import org.eclipse.jst.jsp.core.internal.modelquery.ModelQueryAdapterFactoryForJSP; -import org.eclipse.jst.jsp.core.internal.parser.JSPReParser; -import org.eclipse.jst.jsp.core.internal.parser.JSPSourceParser; -import org.eclipse.jst.jsp.core.internal.provisional.contenttype.ContentTypeIdForJSP; -import org.eclipse.jst.jsp.core.internal.provisional.contenttype.IContentDescriptionForJSP; -import org.eclipse.jst.jsp.core.internal.text.StructuredTextPartitionerForJSP; -import org.eclipse.wst.html.core.internal.provisional.contenttype.ContentTypeFamilyForHTML; -import org.eclipse.wst.html.core.internal.provisional.contenttype.ContentTypeIdForHTML; -import org.eclipse.wst.html.core.internal.text.StructuredTextPartitionerForHTML; -import org.eclipse.wst.sse.core.internal.PropagatingAdapter; -import org.eclipse.wst.sse.core.internal.document.DocumentReader; -import org.eclipse.wst.sse.core.internal.document.IDocumentLoader; -import org.eclipse.wst.sse.core.internal.document.StructuredDocumentFactory; -import org.eclipse.wst.sse.core.internal.ltk.modelhandler.EmbeddedTypeHandler; -import org.eclipse.wst.sse.core.internal.ltk.parser.RegionParser; -import org.eclipse.wst.sse.core.internal.model.AbstractModelLoader; -import org.eclipse.wst.sse.core.internal.modelhandler.EmbeddedTypeRegistry; -import org.eclipse.wst.sse.core.internal.modelhandler.EmbeddedTypeRegistryImpl; -import org.eclipse.wst.sse.core.internal.provisional.IModelLoader; -import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory; -import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument; -import org.eclipse.wst.sse.core.internal.util.Assert; -import org.eclipse.wst.sse.core.internal.util.Debug; -import org.eclipse.wst.xml.core.internal.DebugAdapterFactory; -import org.eclipse.wst.xml.core.internal.document.DOMModelImpl; -import org.eclipse.wst.xml.core.internal.propagate.PropagatingAdapterFactoryImpl; -import org.eclipse.wst.xml.core.internal.provisional.contenttype.ContentTypeIdForXML; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMDocument; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; -import org.eclipse.wst.xml.core.internal.ssemodelquery.ModelQueryAdapter; -import org.eclipse.wst.xml.core.internal.text.rules.StructuredTextPartitionerForXML; -import org.w3c.dom.Document; - -public class JSPModelLoader extends AbstractModelLoader { - protected final int MAX_BUFFERED_SIZE_FOR_RESET_MARK = 200000; - - /** - * DMW - Note: I think the embeddedTypeRegistry in IModelManager can be - * removed - */ - private EmbeddedTypeRegistry embeddedContentTypeRegistry; - private final static String DEFAULT_MIME_TYPE = "text/html"; //$NON-NLS-1$ - private final static String DEFAULT_LANGUAGE = "java"; //$NON-NLS-1$ - - public JSPModelLoader() { - super(); - } - - /** - * Gets the embeddedContentTypeRegistry. - * - * @return Returns a EmbeddedContentTypeRegistry - */ - private EmbeddedTypeRegistry getEmbeddedContentTypeRegistry() { - if (embeddedContentTypeRegistry == null) { - embeddedContentTypeRegistry = EmbeddedTypeRegistryImpl.getInstance(); - } - return embeddedContentTypeRegistry; - } - - public IStructuredModel newModel() { - DOMModelForJSP model = new DOMModelForJSP(); - return model; - } - - /** - * For JSP files, text/html is the default content type. This may want - * this different for types like jsv (jsp for voice xml) For now, hard - * code to new instance. In future, should get instance from registry. - * - * Specification cites HTML as the default contentType. - */ - private EmbeddedTypeHandler getJSPDefaultEmbeddedType(IStructuredModel model) { - EmbeddedTypeRegistry reg = getEmbeddedContentTypeRegistry(); - - String mimeType = null; - // default embedded type for fragments - if (model != null) { - IFile file = getFile(model); - if (file != null) { - mimeType = JSPFContentProperties.getProperty(JSPFContentProperties.JSPCONTENTTYPE, file, true); - } - } - mimeType = mimeType == null ? getDefaultMimeType() : mimeType; - return reg.getTypeFor(mimeType); - } - - /** - * Method getDefaultMimeType. - * - * @return String - */ - private String getDefaultMimeType() { - return DEFAULT_MIME_TYPE; - } - - /** - * This method must return a new instance of IStructuredDocument, that has - * been initialized with appropriate parser. For many loaders, the - * (default) parser used is known for any input. For others, the correct - * parser (and its initialization) is normall dependent on the content of - * the file. This no-argument method should assume "empty input" and would - * therefore return the default parser for the default contentType. - * - * If the parser is to handle tag libraries, it must have a TaglibSupport - * object with a valid URIResolver and this IStructuredDocument attached - * to it before the contents are set on the IStructuredDocument. - */ - public IStructuredDocument newStructuredDocument() { - IStructuredDocument structuredDocument = StructuredDocumentFactory.getNewStructuredDocumentInstance(getParser()); - ((BasicStructuredDocument) structuredDocument).setReParser(new JSPReParser()); - // structuredDocument.setDocumentPartitioner(new - // JSPJavaDocumentPartioner()); - // even though this is an "empty model" ... we want it to have at - // least the - // default embeddeded content type handler - EmbeddedTypeHandler embeddedType = getJSPDefaultEmbeddedType(null); - embeddedType.initializeParser(structuredDocument.getParser()); - return structuredDocument; - } - - public RegionParser getParser() { - // remember, the Loader - // will need to finish initialization of parser - // based on "embedded content" - return new JSPSourceParser(); - } - - protected void preLoadAdapt(IStructuredModel structuredModel) { - super.preLoadAdapt(structuredModel); - IDOMModel domModel = (IDOMModel) structuredModel; - // - // document must have already been set for this to - // work. - Document document = domModel.getDocument(); - Assert.isNotNull(document); - // if there is a model in the adapter, this will adapt it to - // first node. After that the PropagatingAdater spreads over the - // children being - // created. Each time that happends, a side effect is to - // also "spread" sprecific registered adapters, - // they two can propigate is needed. - // This 'get' causes first to be be attached. - PropagatingAdapter propagatingAdapter = (PropagatingAdapter) ((INodeNotifier) document).getAdapterFor(PropagatingAdapter.class); - // may make this easier to use in futue - propagatingAdapter.addAdaptOnCreateFactory(new PageDirectiveWatcherFactory()); - if (Debug.debugNotificationAndEvents) { - propagatingAdapter.addAdaptOnCreateFactory(new DebugAdapterFactory()); - } - // For JSPs, the ModelQueryAdapter must be "attached" to the document - // before content is set in the model, so taglib initization can - // take place. - ((INodeNotifier) document).getAdapterFor(ModelQueryAdapter.class); - // - - } - - /** - * This method must return those factories which must be attached to the - * structuredModel before content is applied. - */ - public List getAdapterFactories() { - List result = new ArrayList(); - INodeAdapterFactory factory = null; - // - factory = new ModelQueryAdapterFactoryForJSP(); - result.add(factory); - factory = new PropagatingAdapterFactoryImpl(); - result.add(factory); - factory = new PageDirectiveAdapterFactory(); - result.add(factory); - - return result; - } - - - public IJSPHeadContentDetector getHeadParser() { - return new JSPDocumentHeadContentDetector(); - } - - private IContentDescription getContentDescription(IDocument doc) { - if (doc == null) - return null; - DocumentReader reader = new DocumentReader(doc); - return getContentDescription(reader); - } - - /** - * Returns content description for an input stream Assumes it's JSP - * content. Closes the input stream when finished. - * - * @param reader - * @return the IContentDescription for in, or null if in is null - */ - private IContentDescription getContentDescription(Reader reader) { - - if (reader == null) - return null; - - IContentDescription desc = null; - try { - - IContentType contentTypeJSP = Platform.getContentTypeManager().getContentType(ContentTypeIdForJSP.ContentTypeID_JSP); - desc = contentTypeJSP.getDescriptionFor(reader, IContentDescription.ALL); - } - catch (IOException e) { - Logger.logException(e); - } - finally { - if (reader != null) { - try { - reader.close(); - } - catch (IOException e) { - Logger.logException(e); - } - } - } - return desc; - } - - private IFile getFile(IStructuredModel model) { - if (model != null) { - String location = model.getBaseLocation(); - if (location != null) { - IPath path = new Path(location); - if (!path.toFile().exists() && path.segmentCount() > 1) { - return ResourcesPlugin.getWorkspace().getRoot().getFile(path); - } - } - } - return null; - } - - /** - * Method getLanguage. - * - * @param model - * @return String - */ - private String getLanguage(IStructuredModel model) { - String result = null; - // first check the model (document itself) to see if contains - result = getLanguageFromStructuredDocument(model.getStructuredDocument()); - // Note: if model contains an unsupported - // language, we'll even return it, - // since who knows what future holds. - - // get default language specified in properties page - IFile file = getFile(model); - result = JSPFContentProperties.getProperty(JSPFContentProperties.JSPLANGUAGE, file, true); - - // always return something - if (result == null) { - result = DEFAULT_LANGUAGE; - } - return result; - } - - /** - * Method getLanguageFromStructuredDocument. - * - * @param structuredDocument - * @return String - */ - private String getLanguageFromStructuredDocument(IStructuredDocument structuredDocument) { - if (structuredDocument == null) - return null; - String result = null; - // bascially same algorithm as get encoding or - // get content type from structuredDocument. - IJSPHeadContentDetector localHeadParser = getHeadParser(); - // we can be assured that its already been - // parsed. If not call parseHeaderForPageDirective() - // before calling getLanguage; - localHeadParser.set(structuredDocument); - try { - result = localHeadParser.getLanguage(); - } - catch (IOException e) { - // impossible - // TODO need to reconsider design to avoid - throw new Error(e); - } - return result; - } - - /** - * This is "reinitialize" since there should always be at least the - * default one assigned, before we start checking the stream - */ - private void reInitializeEmbeddedType(IStructuredModel model, EmbeddedTypeHandler oldEmbeddedContentType, EmbeddedTypeHandler newEmbeddedContentType) { - // check program logic - Assert.isNotNull(oldEmbeddedContentType, "Program error: invalid call during model initialization"); //$NON-NLS-1$ - // once we know the embedded content type, we need to set it in the - // PageDirectiveAdapter ... the order of initialization is - // critical here, the doc must have been created, but its contents not - // set yet, - // and all factories must have been set up also. - IDOMModel domModel = (IDOMModel) model; - IStructuredDocument structuredDocument = model.getStructuredDocument(); - IDOMDocument document = domModel.getDocument(); - PageDirectiveAdapter pageDirectiveAdapter = (PageDirectiveAdapter) document.getExistingAdapter(PageDirectiveAdapter.class); - // ==> // PropagatingAdapter propagatingAdapter = (PropagatingAdapter) - // ((INodeNotifier) - // document).getExistingAdapter(PropagatingAdapter.class); - // ==> // ModelQueryAdapter modelQueryAdapter = (ModelQueryAdapter) - // ((INodeNotifier) - // document).getExistingAdapter(ModelQueryAdapter.class); - oldEmbeddedContentType.uninitializeFactoryRegistry(model.getFactoryRegistry()); - oldEmbeddedContentType.uninitializeParser(structuredDocument.getParser()); - // since 'document' is not recreated in this - // reinit path, we need to remove all adapters, - // except for the propagated adapters (including page - // directive adapter, and model query adapter). - // to accomplish this, we'll just remove all, then - // add back with a call to pre-load adapt. - // let clients decide to unload adapters from document - // Collection oldAdapters = document.getAdapters(); - // Iterator oldAdaptersIterator = oldAdapters.iterator(); - // while (oldAdaptersIterator.hasNext()) { - // INodeAdapter oldAdapter = (INodeAdapter) - // oldAdaptersIterator.next(); - // if (oldAdapter != pageDirectiveAdapter && oldAdapter != - // propagatingAdapter && oldAdapter != modelQueryAdapter) { - // // DO NOT remove directly! - // // can change contents while in notifity loop! - // //oldAdaptersIterator.remove(); - // document.removeAdapter(oldAdapter); - // } - // } - // DMW: I believe something like the following is needed, - // since releases cached adapters - // if (document instanceof DocumentImpl) { - // ((DocumentImpl) document).releaseDocumentType(); - // ((DocumentImpl) document).releaseStyleSheets(); - // } - // remember, embedded type factories are automatically cleared when - // embededType changed - pageDirectiveAdapter.setEmbeddedType(newEmbeddedContentType); - // // but still need to clear the page directive watchers, and let - // them be rediscovered (with new, accurate node as target) - // pageDirectiveAdapter.clearPageWatchers(); - if (newEmbeddedContentType != null) { - - // need to null out or else ModelParserAdapter - // won't get reinitialized - ((DOMModelImpl) model).setModelParser(null); - - newEmbeddedContentType.initializeFactoryRegistry(model.getFactoryRegistry()); - newEmbeddedContentType.initializeParser(structuredDocument.getParser()); - - // partitioner setup is the responsibility of this loader - IDocumentPartitioner documentPartitioner = structuredDocument.getDocumentPartitioner(); - // ISSUE: this logic is flawed, not sure of original intent, but - // added null/type checks for safety. - if (documentPartitioner != null && documentPartitioner instanceof StructuredTextPartitionerForJSP) { - if (newEmbeddedContentType.getFamilyId().equals(ContentTypeIdForXML.ContentTypeID_XML)) { - ((StructuredTextPartitionerForJSP) documentPartitioner).setEmbeddedPartitioner(new StructuredTextPartitionerForXML()); - } - else if (newEmbeddedContentType.getFamilyId().equals(ContentTypeIdForHTML.ContentTypeID_HTML)) { - ((StructuredTextPartitionerForJSP) documentPartitioner).setEmbeddedPartitioner(new StructuredTextPartitionerForHTML()); - } - } - } - // adding language here, in this convienent central - // location, but some obvious renaming or refactoring - // wouldn't hurt, in future. - // I needed to add this language setting for JSP Fragment support - // Note: this is the one that counts, since at this point, - // the model has an ID, so we can look up IFile, etc. - String language = getLanguage(model); - if (language != null && language.length() > 0) { - pageDirectiveAdapter.setLanguage(language); - } - } - - /** - * This is "reinitialize" since there should always be at least the - * default one assigned, before we start checking the stream - */ - private void initCloneOfEmbeddedType(IStructuredModel model, EmbeddedTypeHandler oldEmbeddedContentType, EmbeddedTypeHandler newEmbeddedContentType) { - // check program logic - Assert.isNotNull(oldEmbeddedContentType, "Program error: invalid call during model initialization"); //$NON-NLS-1$ - // once we know the embedded content type, we need to set it in the - // PageDirectiveAdapter ... the order of initialization is - // critical here, the doc must have been created, but its contents not - // set yet, - // and all factories must have been set up also. - IDOMModel domModel = (IDOMModel) model; - IStructuredDocument structuredDocument = model.getStructuredDocument(); - IDOMDocument document = domModel.getDocument(); - PageDirectiveAdapter pageDirectiveAdapter = (PageDirectiveAdapter) document.getAdapterFor(PageDirectiveAdapter.class); - // ==> // PropagatingAdapter propagatingAdapter = (PropagatingAdapter) - // ((INodeNotifier) document).getAdapterFor(PropagatingAdapter.class); - // ==> // ModelQueryAdapter modelQueryAdapter = (ModelQueryAdapter) - // ((INodeNotifier) document).getAdapterFor(ModelQueryAdapter.class); - // because, even in the clone case, the model has been paritally - // intialized with - // the old embedded type (during createModel), we need to unitialize - // parts of it, based on the old (or default) ones - oldEmbeddedContentType.uninitializeFactoryRegistry(model.getFactoryRegistry()); - oldEmbeddedContentType.uninitializeParser(structuredDocument.getParser()); - // remember, embedded type factories are automatically cleared when - // embededType changed - pageDirectiveAdapter.setEmbeddedType(newEmbeddedContentType); - if (newEmbeddedContentType != null) { - newEmbeddedContentType.initializeFactoryRegistry(model.getFactoryRegistry()); - newEmbeddedContentType.initializeParser(structuredDocument.getParser()); - } - // adding language here, in this convienent central - // location, but some obvious renaming or refactoring - // wouldn't hurt, in future. - // I needed to add this language setting for JSP Fragment support - // Note: this is the one that counts, since at this point, - // the model has an ID, so we can look up IFile, etc. - String language = getLanguage(model); - if (language != null && language.length() > 0) { - pageDirectiveAdapter.setLanguage(language); - } - } - - private EmbeddedTypeHandler getEmbeddedType(IStructuredModel model) { - Document doc = ((IDOMModel) model).getDocument(); - PageDirectiveAdapter pageDirectiveAdapter = (PageDirectiveAdapter) ((INodeNotifier) doc).getAdapterFor(PageDirectiveAdapter.class); - EmbeddedTypeHandler embeddedHandler = pageDirectiveAdapter.getEmbeddedType(); - return embeddedHandler; - } - - /* (non-Javadoc) - * @see org.eclipse.wst.sse.core.internal.model.AbstractModelLoader#initEmbeddedTypePre(org.eclipse.wst.sse.core.internal.provisional.IStructuredModel) - */ - protected void initEmbeddedTypePre(IStructuredModel model) { - JSPModelLoader.this.initEmbeddedTypePre(model, model.getStructuredDocument()); - } - - protected void initEmbeddedTypePre(IStructuredModel model, IStructuredDocument structuredDocument) { - - // note: this will currently only work for models backed by files - EmbeddedTypeHandler embeddedContentType = null; - IDOMModel domModel = (IDOMModel) model; - - if (embeddedContentType == null) { - IContentDescription desc = getContentDescription(structuredDocument); - if (desc != null) { - Object prop = null; - - prop = desc.getProperty(IContentDescriptionForJSP.CONTENT_FAMILY_ATTRIBUTE); - if (prop != null) { - if (ContentTypeFamilyForHTML.HTML_FAMILY.equals(prop)) { - embeddedContentType = EmbeddedTypeRegistryImpl.getInstance().getTypeFor("text/html"); - } - } - - if (embeddedContentType == null) { - - prop = desc.getProperty(IContentDescriptionForJSP.CONTENT_TYPE_ATTRIBUTE); - if (prop != null) { - embeddedContentType = EmbeddedTypeRegistryImpl.getInstance().getTypeFor((String) prop); - } - } - } - } - - IDOMDocument document = domModel.getDocument(); - PageDirectiveAdapter pageDirectiveAdapter = (PageDirectiveAdapter) document.getAdapterFor(PageDirectiveAdapter.class); - - if (embeddedContentType != null) { - pageDirectiveAdapter.setEmbeddedType(embeddedContentType); - embeddedContentType.initializeFactoryRegistry(model.getFactoryRegistry()); - } - else { - // use default embeddedType if it couldn't determine one - embeddedContentType = getJSPDefaultEmbeddedType(model); - pageDirectiveAdapter.setEmbeddedType(embeddedContentType); - embeddedContentType.initializeFactoryRegistry(model.getFactoryRegistry()); - } - } - - protected void initEmbeddedTypePost(IStructuredModel model) { - // should already be initialized (from initEmbeddedTypePre) - // via IContentDescription - setLanguageInPageDirective(model); - } - - /** - * As part of the model cloning process, ensure that the new model has the - * same embedded content type handler as the old model, and that it is - * properly initialized - */ - protected void initEmbeddedType(IStructuredModel oldModel, IStructuredModel newModel) { - EmbeddedTypeHandler existingEmbeddedType = getEmbeddedType(oldModel); - if (existingEmbeddedType == null) { - initEmbeddedTypePre(newModel, newModel.getStructuredDocument()); - initEmbeddedTypePost(newModel); - } - else { - EmbeddedTypeHandler newEmbeddedContentType = existingEmbeddedType.newInstance(); - // initEmbeddedType(newModel); - initCloneOfEmbeddedType(newModel, existingEmbeddedType, newEmbeddedContentType); - setLanguageInPageDirective(newModel); - } - } - - protected void setLanguageInPageDirective(IStructuredModel newModel) { - if (newModel instanceof IDOMModel) { - IDOMDocument document = ((IDOMModel) newModel).getDocument(); - PageDirectiveAdapter pageDirectiveAdapter = (PageDirectiveAdapter) document.getAdapterFor(PageDirectiveAdapter.class); - String language = getLanguage(newModel); - pageDirectiveAdapter.setLanguage(language); - } - } - - public IStructuredModel reinitialize(IStructuredModel model) { - EmbeddedTypeHandler oldHandler = null; - EmbeddedTypeHandler newHandler = null; - Object reinitStateData = model.getReinitializeStateData(); - if (reinitStateData instanceof EmbeddedTypeStateData) { - EmbeddedTypeStateData oldStateData = (EmbeddedTypeStateData) reinitStateData; - oldHandler = oldStateData.getOldHandler(); - newHandler = oldStateData.getNewHandler(); - // note. We should already have the new handler in the model's - // (documents) adapters, - // so need need to use the old one to undo the old state data - reInitializeEmbeddedType(model, oldHandler, newHandler); - } - else { - // for language ... we someday MIGHT have to do something - // here, but for now, we don't have any model-side language - // sensitive adapters. - } - return super.reinitialize(model); - } - - public IModelLoader newInstance() { - return new JSPModelLoader(); - } - - public IDocumentLoader getDocumentLoader() { - if (documentLoaderInstance == null) { - documentLoaderInstance = new JSPDocumentLoader(); - } - return documentLoaderInstance; - } - - /** - * Ensures that an InputStream has mark/reset support. - */ - public static InputStream getMarkSupportedStream(InputStream original) { - if (original == null) - return null; - if (original.markSupported()) - return original; - return new BufferedInputStream(original); - } - - protected byte[] getBytes(InputStream inputStream, int max) throws IOException { - byte[] smallBuffer = new byte[max]; - byte[] returnBuffer = null; - int nRead = inputStream.read(smallBuffer, 0, max); - if (nRead < max) { - // empty file will return -1; - if (nRead < 0) - nRead = 0; - byte[] smallerBuffer = new byte[nRead]; - System.arraycopy(smallBuffer, 0, smallerBuffer, 0, nRead); - returnBuffer = smallerBuffer; - } - else { - returnBuffer = smallBuffer; - } - return returnBuffer; - } - - public IStructuredModel createModel(IStructuredModel oldModel) { - IStructuredModel model = super.createModel(oldModel); - // For JSPs, the ModelQueryAdapter must be "attached" to the document - // before content is set in the model, so taglib initialization can - // take place. - // In this "clone model" case, we create a ModelQuery adapter - // create a new instance from the old data. Note: I think this - // "forced fit" only works here since the implementation of - // ModelQueryAdapter does not - // have to be released. - - ModelQueryAdapter modelQueryAdapter = getModelQueryAdapter(model); - if (modelQueryAdapter == null) { - modelQueryAdapter = getModelQueryAdapter(oldModel); - IDOMDocument document = ((IDOMModel) model).getDocument(); - document.addAdapter(new JSPModelQueryAdapterImpl(modelQueryAdapter.getCMDocumentCache(), modelQueryAdapter.getModelQuery(), modelQueryAdapter.getIdResolver())); - - } - - - - return model; - } - - private ModelQueryAdapter getModelQueryAdapter(IStructuredModel model) { - IDOMDocument document = ((IDOMModel) model).getDocument(); - - ModelQueryAdapter modelQueryAdapter = (ModelQueryAdapter) ((INodeNotifier) document).getAdapterFor(ModelQueryAdapter.class); - return modelQueryAdapter; - } - -} |