diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/encoding/JSPDocumentLoader.java')
| -rw-r--r-- | bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/encoding/JSPDocumentLoader.java | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/encoding/JSPDocumentLoader.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/encoding/JSPDocumentLoader.java deleted file mode 100644 index 8e1d3cb653..0000000000 --- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/encoding/JSPDocumentLoader.java +++ /dev/null @@ -1,312 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2006 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.encoding; - -import java.io.IOException; -import java.io.InputStream; -import java.io.Reader; -import java.io.UnsupportedEncodingException; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IWorkspaceRoot; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.Path; -import org.eclipse.jface.text.IDocumentPartitioner; -import org.eclipse.jst.jsp.core.internal.Assert; -import org.eclipse.jst.jsp.core.internal.JSPCoreMessages; -import org.eclipse.jst.jsp.core.internal.document.PageDirectiveWatcherFactory; -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.JSP11Namespace; -import org.eclipse.jst.jsp.core.internal.provisional.contenttype.ContentTypeIdForJSP; -import org.eclipse.jst.jsp.core.internal.text.StructuredTextPartitionerForJSP; -import org.eclipse.wst.sse.core.internal.PropagatingAdapter; -import org.eclipse.wst.sse.core.internal.document.AbstractDocumentLoader; -import org.eclipse.wst.sse.core.internal.document.IDocumentCharsetDetector; -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.encoding.CodedIO; -import org.eclipse.wst.sse.core.internal.encoding.CodedReaderCreator; -import org.eclipse.wst.sse.core.internal.encoding.ContentTypeEncodingPreferences; -import org.eclipse.wst.sse.core.internal.encoding.util.BufferedLimitedReader; -import org.eclipse.wst.sse.core.internal.ltk.modelhandler.EmbeddedTypeHandler; -import org.eclipse.wst.sse.core.internal.ltk.parser.JSPCapableParser; -import org.eclipse.wst.sse.core.internal.ltk.parser.RegionParser; -import org.eclipse.wst.sse.core.internal.ltk.parser.TagMarker; -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.INodeNotifier; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.document.IEncodedDocument; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.text.BasicStructuredDocument; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; -import org.eclipse.wst.xml.core.internal.ssemodelquery.ModelQueryAdapter; -import org.w3c.dom.Document; - -public class JSPDocumentLoader extends AbstractDocumentLoader { - private final static String DEFAULT_MIME_TYPE = "text/html"; //$NON-NLS-1$ - private final static String SPEC_DEFAULT_ENCODING = "ISO-8859-1"; //$NON-NLS-1$ - - protected static IFile getFileFor(IStructuredModel model) { - if (model == null) - return null; - String path = model.getBaseLocation(); - if (path == null || path.length() == 0) { - Object id = model.getId(); - if (id == null) - return null; - path = id.toString(); - } - // TODO needs rework for linked resources - IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); - IFile file = root.getFileForLocation(new Path(path)); - return file; - } - - private EmbeddedTypeRegistry fEmbeddedContentTypeRegistry; - - public JSPDocumentLoader() { - super(); - } - - protected void addNestablePrefix(JSPSourceParser parser, String tagName) { - TagMarker bm = new TagMarker(tagName); - parser.addNestablePrefix(bm); - } - - synchronized public IEncodedDocument createNewStructuredDocument(IFile iFile) throws IOException, CoreException { - IStructuredDocument structuredDocument = null; - try { - structuredDocument = createCodedDocument(iFile); - - EmbeddedTypeHandler embeddedType = getEmbeddedType(iFile); - if (embeddedType != null) - embeddedType.initializeParser((JSPCapableParser) structuredDocument.getParser()); - - fFullPreparedReader.reset(); - setDocumentContentsFromReader(structuredDocument, fFullPreparedReader); - - } - finally { - if (fFullPreparedReader != null) { - fFullPreparedReader.close(); - } - } - return structuredDocument; - } - - private IStructuredDocument createCodedDocument(IFile iFile) throws CoreException, UnsupportedEncodingException, IOException { - IStructuredDocument structuredDocument = (IStructuredDocument) createNewStructuredDocument(); - - getCodedReaderCreator().set(iFile); - - fFullPreparedReader = getCodedReaderCreator().getCodedReader(); - fEncodingMemento = getCodedReaderCreator().getEncodingMemento(); - - structuredDocument.setEncodingMemento(getCodedReaderCreator().getEncodingMemento()); - - return structuredDocument; - } - - public IEncodedDocument createNewStructuredDocument(String filename, InputStream inputStream) throws UnsupportedEncodingException, IOException { - if (filename == null && inputStream == null) { - throw new IllegalArgumentException("can not have both null filename and inputstream"); //$NON-NLS-1$ - } - IEncodedDocument structuredDocument = createNewStructuredDocument(); - CodedReaderCreator codedReaderCreator = new CodedReaderCreator(); - try { - codedReaderCreator.set(filename, inputStream); - fFullPreparedReader = codedReaderCreator.getCodedReader(); - fEncodingMemento = codedReaderCreator.getEncodingMemento(); - structuredDocument.setEncodingMemento(fEncodingMemento); - // the fact that file is null means this method/code path is no - // good for JSP fragments - EmbeddedTypeHandler embeddedType = getEmbeddedType((IFile) null); - fFullPreparedReader.reset(); - if (embeddedType != null) - embeddedType.initializeParser((JSPCapableParser) ((IStructuredDocument) structuredDocument).getParser()); - setDocumentContentsFromReader(structuredDocument, fFullPreparedReader); - } - catch (CoreException e) { - // impossible in this context - throw new Error(e); - } - finally { - if (fFullPreparedReader != null) { - fFullPreparedReader.close(); - } - } - return structuredDocument; - - } - - /** - * Method getDefaultDocumentPartitioner. - * - * @return IDocumentPartitioner - */ - public IDocumentPartitioner getDefaultDocumentPartitioner() { - return new StructuredTextPartitionerForJSP(); - } - - /** - * Method getDefaultMimeType. - * - * @return String - */ - private String getDefaultMimeType() { - return DEFAULT_MIME_TYPE; - } - - - public IDocumentCharsetDetector getDocumentEncodingDetector() { - if (fDocumentEncodingDetector == null) { - fDocumentEncodingDetector = new JSPDocumentHeadContentDetector(); - } - return fDocumentEncodingDetector; - } - - /** - * Gets the embeddedContentTypeRegistry. - * - * @return Returns a EmbeddedContentTypeRegistry - */ - private EmbeddedTypeRegistry getEmbeddedContentTypeRegistry() { - if (fEmbeddedContentTypeRegistry == null) { - fEmbeddedContentTypeRegistry = EmbeddedTypeRegistryImpl.getInstance(); - } - return fEmbeddedContentTypeRegistry; - } - - /** - * Determine the MIME content type specified in a page directive. This - * should appear "as early as possible in the JSP page" according to the - * JSP v1.2 specification. - */ - private EmbeddedTypeHandler getEmbeddedType(IFile file) throws UnsupportedEncodingException, CoreException, IOException { - EmbeddedTypeHandler handler = null; - if (fFullPreparedReader == null) { - handler = getJSPDefaultEmbeddedType(); - } - else { - String mimeType = null; - - IDocumentCharsetDetector jspProvider = getDocumentEncodingDetector(); - Reader fullPreparedReader = getFullPreparedReader(); - BufferedLimitedReader limitedReader = new BufferedLimitedReader(fullPreparedReader, CodedIO.MAX_BUF_SIZE); - jspProvider.set(limitedReader); - if (jspProvider instanceof IJSPHeadContentDetector) { - mimeType = ((IJSPHeadContentDetector) jspProvider).getContentType(); - fullPreparedReader.reset(); - } - - EmbeddedTypeRegistry reg = getEmbeddedContentTypeRegistry(); - if (mimeType == null || mimeType.length() == 0) { - handler = getJSPDefaultEmbeddedType(); - } - else { - handler = reg.getTypeFor(mimeType); - } - } - return handler; - } - - /** - * 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() { - EmbeddedTypeRegistry reg = getEmbeddedContentTypeRegistry(); - return reg.getTypeFor(getDefaultMimeType()); - } - - public RegionParser getParser() { - // remember, the Loader - // will need to finish initialization of parser - // based on "embedded content" - JSPSourceParser parser = new JSPSourceParser(); - // add default nestable tag list - addNestablePrefix(parser, JSP11Namespace.JSP_TAG_PREFIX); - return parser; - } - - protected String getPreferredNewLineDelimiter(IFile file) { - String delimiter = ContentTypeEncodingPreferences.getPreferredNewLineDelimiter(ContentTypeIdForJSP.ContentTypeID_JSP); - if (delimiter == null) - delimiter = super.getPreferredNewLineDelimiter(file); - return delimiter; - } - - /** - * Specification cites ISO-8859-1/Latin-1 as the default charset. - */ - protected String getSpecDefaultEncoding() { - return SPEC_DEFAULT_ENCODING; - } - - /** - * 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. - */ - protected IEncodedDocument newEncodedDocument() { - 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(); - embeddedType.initializeParser((JSPCapableParser) structuredDocument.getParser()); - return structuredDocument; - } - - public IDocumentLoader newInstance() { - return new JSPDocumentLoader(); - } - - protected void preLoadAdapt(IStructuredModel structuredModel) { - IDOMModel domModel = (IDOMModel) structuredModel; - // - // document must have already been set for this to - // work. - Document document = domModel.getDocument(); - Assert.isNotNull(document, JSPCoreMessages.JSPDocumentLoader_1); - // 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()); - // 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); - - } - -} |