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/*******************************************************************************
* 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.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
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.IVirtualComponent;
/**
* 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
if (value != null && value.length() > 1 && value.charAt(0) == '/') {
validateFileRelativeToWebRoot(value);
} else {
//Bug 325490 - [JSF2.0] False warning from facelet validator when working with facelet pages in a sub-folder
validateFileRelativeToCurrentFile(value);
}
}
return getValidationMessages().size() == 0;
}
private void validateFileRelativeToWebRoot(String value) {
IContainer webRoot = getWebRoot();
if (webRoot == null)
{
return;
}
if (! webRoot.exists()){
getValidationMessages().add(new ValidationMessage( Messages.WebPathType_1));
}
else {
IFile 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
}
}
/**
* @return the web root
*/
protected IContainer getWebRoot()
{
IProject project = getProject2();
if (project != null)
{
IVirtualComponent component = ComponentCore.createComponent(project);
if (component != null)
{
return component.getRootFolder().getUnderlyingFolder();
}
}
return null;
}
//Bug 325490 - [JSF2.0] False warning from facelet validator when working with facelet pages in a sub-folder
private void validateFileRelativeToCurrentFile(String value) {
IProject project = getProject2();
if (project != null)
{
IVirtualComponent component = ComponentCore.createComponent(project);
if (component != null)
{
IPath webContentPath = component.getRootFolder().getUnderlyingFolder().getFullPath();
IResource resource = getFile2();
if (resource != null)
{
IPath filePath = resource.getFullPath();
if (filePath.matchingFirstSegments(webContentPath) == webContentPath.segmentCount()) {
filePath = filePath.removeFirstSegments(webContentPath.segmentCount());
filePath = filePath.removeLastSegments(1);
filePath = filePath.append(value);
IFile file = getWebRoot().getFile(filePath);
if (!file.exists()){
getValidationMessages().add(new ValidationMessage(Messages.WebPathType_2));
}
}
}
}
}
}
}
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