import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Test
public void testValidate_appEngineStandardFacet() throws CoreException, ValidationException {
  IProject project = appEngineStandardProject.getProject();
  IFile file = project.getFile("testdata.xml");
  file.create(ValidationTestUtils.stringToInputStream(APPLICATION_XML), 0, null);

  IDocument document = ValidationTestUtils.getDocument(file);

  // Adds the URI of the file to be validated to the IncrementalHelper.
  IncrementalHelper helper = new IncrementalHelper(document, project);
  IPath path = file.getFullPath();
  helper.setURI(path.toString());

  XmlSourceValidator validator = new XmlSourceValidator();
  validator.setHelper(new AppEngineWebXmlValidator());
  validator.connect(document);
  validator.validate(helper, reporter);
  assertEquals(1, reporter.getMessages().size());
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Test
public void testValidate_dynamicWebProject() throws CoreException, ValidationException {
  IProject project = dynamicWebProject.getProject();
  IFile file = project.getFile("testdata.xml");
  file.create(ValidationTestUtils.stringToInputStream(APPLICATION_XML), 0, null);

  IDocument document = ValidationTestUtils.getDocument(file);

  // Adds the URI of the file to be validated to the IncrementalHelper.
  IncrementalHelper helper = new IncrementalHelper(document, project);
  IPath path = file.getFullPath();
  helper.setURI(path.toString());

  XmlSourceValidator validator = new XmlSourceValidator();
  validator.setHelper(new AppEngineWebXmlValidator());
  validator.connect(document);
  validator.validate(helper, reporter);
  assertTrue(reporter.getMessages().isEmpty());
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
/**
 * Validates a given {@link IDocument} if the project has the App Engine Standard facet.
 */
@Override
public void validate(IValidationContext helper, IReporter reporter) throws ValidationException {
  IProject project = getProject(helper);
  try {
    IFacetedProject facetedProject = ProjectFacetsManager.create(project);
    if (AppEngineStandardFacet.hasFacet(facetedProject)) {
      String encoding = getDocumentEncoding(document);
      byte[] bytes = document.get().getBytes(encoding);
      IFile source = getFile(helper);
      validate(reporter, source, bytes);
    }
  } catch (IOException | CoreException ex) {
    logger.log(Level.SEVERE, ex.getMessage());
  }
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public void validate(IValidationContext helper, IReporter reporter)
		throws ValidationException {
	final String[] uris = helper.getURIs();
	IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
	if (uris.length > 0) {
		IFile currentFile = null;

		for (int i = 0; i < uris.length && !reporter.isCancelled(); i++) {
			// might be called with just project path?
			IPath path = new Path(uris[i]);
			if (path.segmentCount() > 1) {
				currentFile = root.getFile(path);
				if (shouldValidate(currentFile, true)) {
					validateFile(currentFile, reporter);
				}
			} else if (uris.length == 1) {
				validateProject(helper, reporter);
			}
		}
	} else
		validateProject(helper, reporter);
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public void validate(IValidationContext helper, IReporter reporter) throws ValidationException {

	if (helper == null || document == null) {
		return;
	}

	if ((reporter != null) && (reporter.isCancelled() == true)) {
		throw new OperationCanceledException();
	}

	// we cannot use helper#getURI() to retrieve the IFile which is
	// validating, because
	// this helper is filled by using IStructuredModel (see
	// ReconcileStepForValidator#getFile())
	// and JSDT JavaScript Editor doesn't manage IStructuredModel
	IFile file = TypeScriptResourceUtil.getFile(document);
	if (file == null || !TypeScriptResourceUtil.canConsumeTsserver(file)) {
		return;
	}

	try {
		IIDETypeScriptProject tsProject = TypeScriptResourceUtil.getTypeScriptProject(file.getProject());
		IIDETypeScriptFile tsFile = tsProject.openFile(file, document);
		TypeScriptValidationHelper.validate(tsFile, reporter, this);
	} catch (Exception e) {
		Trace.trace(Trace.SEVERE, "Error while TypeScript validation.", e);
	}
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public IStatus validateInJob(IValidationContext helper, IReporter reporter)
		throws ValidationException {
	// Exception catching was removed, see
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=123600
	IStatus status = Status.OK_STATUS;
	validate(helper, reporter);
	return status;
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public void validate(IValidationContext helper, IReporter reporter) throws ValidationException {
	// Remove any old validation errors
	reporter.removeAllMessages(this);
	// TODO: Use DOM model for isConcordionSpec
	if (rootElementParser.isConcordionSpec(document)) {
		IDOMModel domModel = EclipseUtils.domModelForDocument(document);
		if (domModel != null) {
			doParseSpec(domModel, reporter, rootElementParser.getNamespacePrefix());
		}
	}
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public void validate(IValidationContext context, IReporter reporter) throws ValidationException {
	// It seems that it is never called?
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public IStatus validateInJob(IValidationContext helper, IReporter reporter) throws ValidationException {
	IStatus status = Status.OK_STATUS;
	validate(helper, reporter);
	return status;
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
/**
 * Calls a delegate validator getting and updates it's list of
 * ValidationMessages with a good squiggle offset and length.
 * 
 * @param helper
 *            loads an object.
 * @param reporter
 *            Is an instance of an IReporter interface, which is used for
 *            interaction with the user.
 */
public void validate(IValidationContext helper, IReporter reporter) throws ValidationException {
	String[] delta = helper.getURIs();
	if (delta.length > 0) {
		// get the file, model and document:
		IFile file = getFile(delta[0]);
		IJSONModel jsonModel = null;
		if (file != null)
			jsonModel = getModelForResource(file);
		// some problem occurred, abort
		if (jsonModel == null)
			return;
		
		try {
			IJSONDocument document = jsonModel.getDocument();

			// store the text in a byte array; make a full copy to ease
			// any threading problems
			byte[] byteArray;
			try {
				byteArray = jsonModel.getStructuredDocument().get().getBytes("UTF-8");
			}
			catch (UnsupportedEncodingException e) {
				// Not likely to happen
				byteArray = jsonModel.getStructuredDocument().get().getBytes();
			}

			if (isDelegateValidatorEnabled(file)) {
				IValidator validator = getDelegateValidator();
				if (validator != null) {
					// Validate the file:
					IValidationContext vHelper = new MyHelper(new ByteArrayInputStream(byteArray), file);
					MyReporter vReporter = new MyReporter();
					if (validator instanceof IValidatorJob) {
						((IValidatorJob) validator).validateInJob(vHelper, vReporter);
					}
					else {
						validator.validate(vHelper, vReporter);
					}
					List messages = vReporter.list;

					// set the offset and length
					updateValidationMessages(messages, document, reporter);
				}
			}
		}


		finally {
			if (jsonModel != null) {
				jsonModel.releaseFromRead();
			}
		}
	}
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
public void validate(IValidationContext context, IReporter reporter)
		throws ValidationException {
	validateInJob(context, reporter);
}
 

import org.eclipse.wst.validation.internal.core.ValidationException; //导入依赖的package包/类
@Override
   public void validate(IValidationContext helper, IReporter reporter)
		throws ValidationException {
	validator.validate(helper, reporter);
	removeApexValidationErrors(reporter);
}