| /******************************************************************************* |
| * Copyright (c) 2004, 2012 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.ui.internal.templates; |
| |
| import java.util.Arrays; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| 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.jface.text.IDocument; |
| import org.eclipse.jface.text.templates.DocumentTemplateContext; |
| import org.eclipse.jface.text.templates.GlobalTemplateVariables; |
| import org.eclipse.jface.text.templates.SimpleTemplateVariableResolver; |
| import org.eclipse.jface.text.templates.TemplateContext; |
| import org.eclipse.jface.text.templates.TemplateContextType; |
| import org.eclipse.jface.text.templates.TemplateVariable; |
| import org.eclipse.jst.jsp.core.internal.util.FacetModuleCoreSupport; |
| import org.eclipse.jst.jsp.core.taglib.IJarRecord; |
| import org.eclipse.jst.jsp.core.taglib.ITLDRecord; |
| import org.eclipse.jst.jsp.core.taglib.ITaglibDescriptor; |
| import org.eclipse.jst.jsp.core.taglib.ITaglibRecord; |
| import org.eclipse.jst.jsp.core.taglib.TaglibIndex; |
| import org.eclipse.jst.jsp.ui.internal.JSPUIMessages; |
| import org.eclipse.wst.sse.core.StructuredModelManager; |
| import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; |
| |
| /** |
| * Base class for JSP template context types. Templates of this context type |
| * apply to any place within JSP content type. |
| */ |
| public class TemplateContextTypeJSP extends TemplateContextType { |
| public TemplateContextTypeJSP() { |
| super(); |
| addResolver(new GlobalTemplateVariables.Cursor()); |
| addResolver(new GlobalTemplateVariables.Date()); |
| addResolver(new GlobalTemplateVariables.Dollar()); |
| addResolver(new GlobalTemplateVariables.LineSelection()); |
| addResolver(new GlobalTemplateVariables.Time()); |
| addResolver(new GlobalTemplateVariables.User()); |
| addResolver(new GlobalTemplateVariables.WordSelection()); |
| addResolver(new GlobalTemplateVariables.Year()); |
| addResolver(new EncodingTemplateVariableResolverJSP()); |
| addResolver(new URITemplateResolver()); |
| |
| } |
| |
| /** |
| * Resolves the ${uri} Template Variable for a taglib directive providing |
| * URIs from the taglib index |
| * |
| */ |
| class URITemplateResolver extends SimpleTemplateVariableResolver { |
| |
| protected URITemplateResolver() { |
| super("uri", JSPUIMessages.Template_Taglib_URI); //$NON-NLS-1$ |
| } |
| |
| public void resolve(TemplateVariable variable, TemplateContext context) { |
| if (context instanceof DocumentTemplateContext) { |
| DocumentTemplateContext docContext = (DocumentTemplateContext) context; |
| final IPath path = getPath(docContext.getDocument()); |
| if (path != null) { |
| String[] uris = getURIs(TaglibIndex.getAvailableTaglibRecords(path), path); |
| if (uris != null && uris.length > 0) { |
| variable.setValues(uris); |
| } |
| } |
| |
| } |
| } |
| |
| private String[] getURIs(ITaglibRecord[] records, IPath basePath) { |
| if (records != null) { |
| Set uris = new HashSet(records.length); |
| for (int i = 0; i < records.length; i++) { |
| final ITaglibRecord record = records[i]; |
| final ITaglibDescriptor descriptor = record.getDescriptor(); |
| String uri = null; |
| switch (record.getRecordType()) { |
| case ITaglibRecord.URL: |
| uris.add(descriptor.getURI()); |
| break; |
| case ITaglibRecord.JAR: { |
| IPath location = ((IJarRecord) record).getLocation(); |
| IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocation(location); |
| IPath localContextRoot = FacetModuleCoreSupport.computeWebContentRootPath(basePath); |
| for (int fileNumber = 0; fileNumber < files.length; fileNumber++) { |
| if (localContextRoot.isPrefixOf(files[fileNumber].getFullPath())) { |
| uri = IPath.SEPARATOR + |
| files[fileNumber].getFullPath().removeFirstSegments(localContextRoot.segmentCount()).toString(); |
| } |
| else { |
| uri = FacetModuleCoreSupport.getRuntimePath(files[fileNumber].getFullPath()).toString(); |
| } |
| uris.add(uri); |
| } |
| break; |
| } |
| case ITaglibRecord.TLD: { |
| uri = descriptor.getURI(); |
| if (uri == null || uri.trim().length() == 0) { |
| IPath path = ((ITLDRecord) record).getPath(); |
| IPath localContextRoot = FacetModuleCoreSupport.computeWebContentRootPath(basePath); |
| if (localContextRoot.isPrefixOf(path)) { |
| uri = IPath.SEPARATOR + path.removeFirstSegments(localContextRoot.segmentCount()).toString(); |
| } |
| else { |
| uri = FacetModuleCoreSupport.getRuntimePath(path).toString(); |
| } |
| } |
| uris.add(uri); |
| break; |
| } |
| |
| } |
| } |
| String[] urisArray = (String[]) uris.toArray(new String[uris.size()]); |
| Arrays.sort(urisArray); |
| return urisArray; |
| } |
| return null; |
| } |
| |
| private IPath getPath(IDocument iDoc) { |
| IPath path = null; |
| if (iDoc instanceof IStructuredDocument) { |
| IStructuredDocument document = (IStructuredDocument) iDoc; |
| IStructuredModel model = null; |
| try { |
| model = StructuredModelManager.getModelManager().getModelForRead(document); |
| if (model != null) { |
| String location = model.getBaseLocation(); |
| if (location != null) { |
| path = new Path(location); |
| } |
| } |
| } |
| finally { |
| if (model != null) |
| model.releaseFromRead(); |
| } |
| } |
| return path; |
| } |
| } |
| } |