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/*******************************************************************************
* Copyright (c) 2001, 2008 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.validation.internal;
import java.io.IOException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
import org.eclipse.jst.jsf.core.internal.region.Region2AttrAdapter;
import org.eclipse.jst.jsf.core.internal.region.Region2ElementAdapter;
import org.eclipse.jst.jsf.core.internal.region.Region2ElementAdapter.NoElementException;
import org.eclipse.jst.jsf.designtime.DTAppManagerUtil;
import org.eclipse.jst.jsf.designtime.internal.view.IDTViewHandler;
import org.eclipse.jst.jsf.designtime.resolver.IStructuredDocumentSymbolResolverFactory;
import org.eclipse.jst.jsf.designtime.resolver.StructuredDocumentSymbolResolverFactory;
import org.eclipse.jst.jsf.validation.internal.el.diagnostics.DiagnosticFactory;
import org.eclipse.jst.jsf.validation.internal.strategy.AttributeValidatingStrategy;
import org.eclipse.jst.jsf.validation.internal.strategy.ContainmentValidatingStrategy;
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.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
/**
* Validator for JSF view definitions that are structured in XML format
*
* @author cbateman
*
*/
public class XMLViewDefnValidator implements IJSFViewValidator
{
// TODO: should the source validator be a separate class in jsp.ui?
// problem with simple split off is that preference must also be split off
static final boolean DEBUG;
static
{
final String value = Platform
.getDebugOption("org.eclipse.jst.jsf.core/validation"); //$NON-NLS-1$
DEBUG = value != null && value.equalsIgnoreCase("true"); //$NON-NLS-1$
}
// default. Overridable by calling setSymbolResolverFactory
private IStructuredDocumentSymbolResolverFactory _symbolResolverFactory =
StructuredDocumentSymbolResolverFactory.getInstance();
/**
* Validates a JSP tag.
*
* Currently only attribute values with supplied annotation meta-data is
* being validated. Also, only JSF EL is being validated and not JSP EL.
*
* This method may be extended in the future to validate tag semantics an
* other cross attribute validations.
*
* @param container
* @param jsfValidationContext
*
*/
private void validateTag(final IStructuredDocumentRegion container,
final JSFValidationContext jsfValidationContext,
final ContainmentValidatingStrategy containmentStrategy)
{
// TODO: later when we move to composite strategy, run in SafeRunner
// to protect against exceptions generated in external code.
try
{
final Region2ElementAdapter regionAdapter = new Region2ElementAdapter(
container);
// final IStructuredDocumentContext elementContext =
// IStructuredDocumentContextFactory.INSTANCE
// .getContext(container.getParentDocument(), container
// .getStartOffset());
if (containmentStrategy.isInteresting(regionAdapter))
{
containmentStrategy.validate(regionAdapter);
}
final AttributeValidatingStrategy strategy =
new AttributeValidatingStrategy(jsfValidationContext);
for (final Region2AttrAdapter attrAdapter : regionAdapter
.getAttributes().values())
{
if (strategy.isInteresting(attrAdapter))
{
strategy.validate(attrAdapter);
}
}
}
catch (NoElementException ne)
{
// XXX:
}
}
public void validateView(final IFile viewFile, final IValidationReporter reporter)
{
IStructuredModel model = null;
if (DEBUG)
{
System.out.println("executing JSPSemanticsValidator.validateFile"); //$NON-NLS-1$
}
try
{
final JSFValidationContext jsfValidationContext =
createValidationContext(false, viewFile, reporter);
if (jsfValidationContext == null)
{
return;
}
model = StructuredModelManager.getModelManager().getModelForRead(
viewFile);
final IStructuredDocument structuredDoc =
model.getStructuredDocument();
final IStructuredDocumentRegion[] regions =
structuredDoc.getStructuredDocumentRegions();
validateRegions(regions, jsfValidationContext,
new ContainmentValidatingStrategy(jsfValidationContext));
}
catch (final CoreException e)
{
JSFCorePlugin.log("Error validating JSF", e); //$NON-NLS-1$
}
catch (final IOException e)
{
JSFCorePlugin.log("Error validating JSF", e); //$NON-NLS-1$
}
finally
{
if (null != model)
{
model.releaseFromRead();
}
}
}
public void validateView(IFile viewFile,
IStructuredDocumentRegion[] regions, IValidationReporter reporter)
{
final JSFValidationContext jsfValidationContext =
createValidationContext(true, viewFile, reporter);
if (jsfValidationContext == null)
{
return;
}
validateRegions(regions, jsfValidationContext,
new ContainmentValidatingStrategy(jsfValidationContext));
}
private void validateRegions(final IStructuredDocumentRegion[] regions,
final JSFValidationContext context,
final ContainmentValidatingStrategy containmentValidator)
{
for (final IStructuredDocumentRegion curNode : regions)
{
if (curNode.getFirstRegion().getType() == DOMRegionContext.XML_TAG_OPEN)
{
validateTag(curNode, context, containmentValidator);
}
}
}
private JSFValidationContext createValidationContext(
final boolean isIncremental, final IFile file,
final IValidationReporter reporter)
{
final ValidationPreferences prefs = new ValidationPreferences(
JSFCorePlugin.getDefault().getPreferenceStore());
prefs.load();
final DiagnosticFactory diagnosticFactory = new DiagnosticFactory();
final IDTViewHandler viewHandler = DTAppManagerUtil.getViewHandler(file
.getProject());
// only validate files that our designtime supports
if (viewHandler == null || !viewHandler.supportsViewDefinition(file))
{
return null;
}
return new JSFValidationContext(isIncremental, prefs, viewHandler,
diagnosticFactory, file, reporter, _symbolResolverFactory);
}
}
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