| /******************************************************************************* |
| * Copyright (c) 2005 Oracle Corporation. |
| * 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: |
| * Ian Trimble - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.jsf.ui.converter.operations.jsf; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.HashMap; |
| import java.util.PropertyResourceBundle; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jst.jsf.common.ui.IFileFolderConstants; |
| import org.eclipse.jst.jsf.common.ui.internal.utils.ResourceUtils; |
| import org.eclipse.jst.jsf.core.internal.tld.IJSFConstants; |
| import org.eclipse.jst.pagedesigner.PDPlugin; |
| import org.eclipse.jst.pagedesigner.dtmanager.converter.operations.AbstractTransformOperation; |
| import org.eclipse.jst.pagedesigner.utils.PreviewUtil; |
| import org.eclipse.jst.pagedesigner.utils.StructuredModelUtil; |
| import org.eclipse.wst.common.componentcore.ComponentCore; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; |
| import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; |
| import org.w3c.dom.Element; |
| |
| /** |
| * ITransformOperation implementation specifically for the "loadBundle" JSF |
| * (core) Element. |
| * |
| * @author Ian Trimble - Oracle |
| */ |
| public class LoadBundleOperation extends AbstractTransformOperation { |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jst.pagedesigner.dtmanager.converter.operations.internal.provisional.AbstractTransformOperation#transform(org.w3c.dom.Element, org.w3c.dom.Element) |
| */ |
| public Element transform(Element srcElement, Element curElement) { |
| if (srcElement != null) { |
| //get "var" and "basename" attributes of srcElement |
| String var = srcElement.getAttribute(IJSFConstants.ATTR_VAR); |
| String basename = srcElement.getAttribute(IJSFConstants.ATTR_BASENAME); |
| if (var != null && basename != null && var.length() > 0 && basename.length() > 0) { |
| String basePath = |
| basename.replace('.', IFileFolderConstants.PATH_SEPARATOR.charAt(0)) + |
| IFileFolderConstants.DOT + |
| IFileFolderConstants.EXT_PROPERTIES; |
| if (srcElement instanceof IDOMNode) { |
| //get model |
| IDOMModel model = ((IDOMNode)srcElement).getModel(); |
| if (model != null) { |
| //get project |
| IProject project = StructuredModelUtil.getProjectFor(model); |
| if (project != null) { |
| //attempt to locate properties file in "/{WebRoot}/WEB-INF/classes" |
| IVirtualComponent component = ComponentCore.createComponent(project); |
| IPath webRootPath = component.getRootFolder().getProjectRelativePath(); |
| StringBuffer sb = new StringBuffer(webRootPath.toString()); |
| sb.append(IFileFolderConstants.PATH_SEPARATOR); |
| sb.append(IFileFolderConstants.FOLDER_WEBINF); |
| sb.append(IFileFolderConstants.PATH_SEPARATOR); |
| sb.append(IFileFolderConstants.FOLDER_CLASS); |
| sb.append(IFileFolderConstants.PATH_SEPARATOR); |
| sb.append(basePath); |
| IResource resource = project.findMember(sb.toString()); |
| if (resource == null) { |
| resource = findFileInSrcFolder(project, basePath); |
| if (resource != null) { |
| //load properties file and configure PreviewUtil |
| InputStream inputStream = null; |
| try { |
| File file = new File(resource.getLocation().toString()); |
| inputStream = new FileInputStream(file); |
| if (inputStream != null) { |
| inputStream = new BufferedInputStream(inputStream); |
| PropertyResourceBundle bundle = new PropertyResourceBundle(inputStream); |
| if (bundle != null) { |
| if (PreviewUtil.getBUNDLE_MAP() == null) { |
| PreviewUtil.setBUNDLE_MAP(new HashMap()); |
| } else { |
| PreviewUtil.getBUNDLE_MAP().clear(); |
| } |
| PreviewUtil.getBUNDLE_MAP().put(var, bundle); |
| PreviewUtil.setBUNDLE(bundle); |
| PreviewUtil.setVAR(var); |
| } |
| } |
| } catch(IOException ioe) { |
| PDPlugin.getLogger(LoadBundleOperation.class).error("LoadBundleTagConverter.convertRefresh.IOException", ioe); |
| } finally { |
| ResourceUtils.ensureClosed(inputStream); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| //return null to indicate there is no HTML element associated with this tag |
| return null; |
| } |
| |
| /** |
| * Find specified file in any source folder of the specified project. |
| * |
| * @param project IProject instance. |
| * @param filePath Source folder-relative path of the file to be located. |
| * @return the specified file in any source folder of the specified project. |
| */ |
| protected IResource findFileInSrcFolder(IProject project, String filePath) { |
| IResource resource = null; |
| IJavaProject javaProject = JavaCore.create(project); |
| if (javaProject != null) { |
| try { |
| IClasspathEntry[] classpathEntries = javaProject.getResolvedClasspath(true); |
| for (int i = 0; i < classpathEntries.length; i++) { |
| IClasspathEntry classpathEntry = classpathEntries[i]; |
| if (classpathEntry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| IPath srcPath = classpathEntry.getPath(); |
| //srcPath = srcPath.removeFirstSegments(srcPath.matchingFirstSegments(project.getFullPath())); |
| IPath srcFilePath = srcPath.append(filePath); |
| IResource tmpResource = project.getParent().findMember(srcFilePath); |
| if (tmpResource != null) { |
| resource = tmpResource; |
| break; |
| } |
| } |
| } |
| } catch(JavaModelException jme) { |
| //ignore - returning null from method will indicate failure |
| } |
| } |
| return resource; |
| } |
| |
| } |