| /******************************************************************************* |
| * Copyright (c) 2007 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: |
| * Oracle - initial API and implementation |
| * |
| ********************************************************************************/ |
| package org.eclipse.jst.jsf.taglibprocessing.attributevalues; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jst.jsf.metadataprocessors.IMetaDataEnabledFeature; |
| import org.eclipse.jst.jsf.metadataprocessors.features.IValidValues; |
| import org.eclipse.jst.jsf.metadataprocessors.features.ValidationMessage; |
| import org.eclipse.wst.common.componentcore.ComponentCore; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualContainer; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualFile; |
| |
| /** |
| * Path relative to web root |
| * <b>EXPERIMENTAL</b> - may change or dissappear |
| * |
| */ |
| public class WebPathType extends PathType implements |
| IMetaDataEnabledFeature, IValidValues{ |
| |
| public boolean isValidValue(String value) { |
| //is this a relative path, or absolute url? |
| try { |
| URL url = new URL(value); |
| //if file protocol, see if it is valid? Otherwise assume ok. |
| if (url.getProtocol().equals("file")){ //$NON-NLS-1$ |
| validateFileRelativeToWebRoot(url.getPath()); |
| } |
| } catch (MalformedURLException e) { |
| //is this a valid path relative to the |
| validateFileRelativeToWebRoot(value); |
| } |
| return getValidationMessages().size() == 0; |
| |
| } |
| |
| private void validateFileRelativeToWebRoot(String value) { |
| IVirtualContainer webRoot = getWebRoot(); |
| if (! webRoot.exists()){ |
| getValidationMessages().add(new ValidationMessage( Messages.WebPathType_1)); |
| } |
| else { |
| IVirtualFile file = webRoot.getFile(new Path(value)); |
| if (!file.exists()) { |
| //was this a valid file path string, or bogus url? |
| getValidationMessages().add(new ValidationMessage(Messages.WebPathType_2)); |
| } |
| //we could also validate the expected file-extensions from meta data |
| } |
| |
| } |
| |
| private IVirtualContainer getWebRoot() |
| { |
| IVirtualContainer webRoot = |
| ComponentCore.createComponent(getProject()).getRootFolder(); |
| |
| return webRoot; |
| } |
| } |