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package org.eclipse.jst.jsf.facelet.ui.internal.validation;
import java.io.IOException;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.common.util.Diagnostic;
import org.eclipse.jst.jsf.common.runtime.internal.view.model.common.Namespace;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IDOMContextResolver;
import org.eclipse.jst.jsf.context.resolver.structureddocument.IStructuredDocumentContextResolverFactory;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContext;
import org.eclipse.jst.jsf.context.structureddocument.IStructuredDocumentContextFactory;
import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
import org.eclipse.jst.jsf.designtime.internal.view.model.ITagRegistry;
import org.eclipse.jst.jsf.facelet.core.internal.util.ViewUtil;
import org.eclipse.jst.jsf.validation.internal.IJSFViewValidator;
import org.eclipse.jst.jsf.validation.internal.JSFValidatorFactory;
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;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMAttr;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* The default validation strategy.
*
*/
public class DefaultFaceletValidationStrategy extends AbstractFaceletValidationStrategy {
@Override
protected void doValidate(final IFile file, final IJSFViewValidator.IValidationReporter jsfReporter) {
final IJSFViewValidator validator = JSFValidatorFactory
.createDefaultXMLValidator();
validator.validateView(file, jsfReporter);
validateFaceletHtml(file, jsfReporter);
}
/**
* @param file
* @param reporter
*/
protected void validateFaceletHtml(final IFile file,
final IJSFViewValidator.IValidationReporter reporter)
{
IStructuredModel model = null;
try
{
model = StructuredModelManager.getModelManager().getModelForRead(
file);
final IStructuredDocument structuredDoc = model
.getStructuredDocument();
validateDocument(structuredDoc, reporter, file.getProject());
}
catch (final CoreException e)
{
JSFCorePlugin.log("Error validating JSF", e);
}
catch (final IOException e)
{
JSFCorePlugin.log("Error validating JSF", e);
}
finally
{
if (null != model)
{
model.releaseFromRead();
}
}
}
/**
* @param structuredDoc
* @param reporter
* @param project
*/
protected void validateDocument(IStructuredDocument structuredDoc,
final IJSFViewValidator.IValidationReporter reporter, IProject project)
{
validateRoot(structuredDoc, reporter, project);
}
/**
* @param structuredDoc
* @param reporter
* @param project
*/
protected void validateRoot(IStructuredDocument structuredDoc,
final IJSFViewValidator.IValidationReporter reporter, IProject project)
{
final IStructuredDocumentContext context = IStructuredDocumentContextFactory.INSTANCE
.getContext(structuredDoc, -1);
final IDOMContextResolver resolver = IStructuredDocumentContextResolverFactory.INSTANCE
.getDOMContextResolver(context);
final Document document = resolver.getDOMDocument();
Element rootElement = document.getDocumentElement();
if ("html".equals(rootElement.getNodeName()))
{
final Set<Attr> declaredNamespaces = ViewUtil
.getDeclaredNamespaces(rootElement.getAttributes());
final ITagRegistry tagRegistry = ViewUtil
.getHtmlTagRegistry(project);
final Collection<? extends Namespace> namespaces;
if (tagRegistry != null)
{
namespaces = tagRegistry.getAllTagLibraries();
}
else
{
// unexpected
namespaces = Collections.EMPTY_SET;
JSFCorePlugin.log(IStatus.ERROR, "Program Error: HTML tag registry not found"); //$NON-NLS-1$
}
for (final Attr attr : declaredNamespaces)
{
// only validate prefix declarations
if (attr.getPrefix() != null && attr instanceof IDOMAttr)
{
final String declaredUri = attr.getValue();
String findUri = null;
SEARCH_NAMESPACES: for (final Namespace ns : namespaces)
{
if (ns.getNSUri().equals(declaredUri))
{
findUri = ns.getNSUri();
break SEARCH_NAMESPACES;
}
}
if (findUri == null)
{
final Diagnostic diag = _diagnosticFactory.create_CANNOT_FIND_FACELET_TAGLIB(declaredUri);
final IDOMAttr domAttr = (IDOMAttr) attr;
reporter.report(diag, domAttr.getValueRegionStartOffset(), domAttr
.getValue().length());
}
}
}
}
}
}
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