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/*******************************************************************************
* Copyright (c) 2002-2005 IBM Corporation and others.
* 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:
* IBM - Initial API and implementation
*******************************************************************************/
package org.eclipse.wst.wsi.internal.core.profile.validator.impl.message;
import java.util.Iterator;
import java.util.List;
import javax.wsdl.BindingOperation;
import javax.wsdl.Message;
import javax.wsdl.Part;
import javax.wsdl.extensions.ExtensibilityElement;
import javax.wsdl.extensions.mime.MIMEContent;
import javax.wsdl.extensions.mime.MIMEMultipartRelated;
import javax.wsdl.extensions.mime.MIMEPart;
import javax.xml.namespace.QName;
import org.eclipse.wst.wsi.internal.core.WSIException;
import org.eclipse.wst.wsi.internal.core.WSITag;
import org.eclipse.wst.wsi.internal.core.analyzer.AssertionFailException;
import org.eclipse.wst.wsi.internal.core.analyzer.AssertionNotApplicableException;
import org.eclipse.wst.wsi.internal.core.log.MessageEntry;
import org.eclipse.wst.wsi.internal.core.log.MimePart;
import org.eclipse.wst.wsi.internal.core.log.MimeParts;
import org.eclipse.wst.wsi.internal.core.profile.TestAssertion;
import org.eclipse.wst.wsi.internal.core.profile.validator.EntryContext;
import org.eclipse.wst.wsi.internal.core.profile.validator.impl.AssertionProcess;
import org.eclipse.wst.wsi.internal.core.profile.validator.impl.BaseMessageValidator;
import org.eclipse.wst.wsi.internal.core.report.AssertionResult;
import org.eclipse.wst.wsi.internal.core.util.MIMEConstants;
import org.eclipse.wst.wsi.internal.core.util.MIMEUtils;
import org.eclipse.wst.wsi.internal.core.xml.XMLUtils;
import org.w3c.dom.Document;
/**
* AP1942
*
* <context>For a candidate part of a multipart/related message that is bound
* to a mime:content that refers to global element declaration (via the element
* attribute of the wsdl:part element)</context>
* <assertionDescription>The bound message part is serialized within the MIME
* part as a serialization of an XML infoset whose root element is described by
* the referenced element.</assertionDescription>
*/
public class AP1942 extends AssertionProcess implements WSITag
{
private final BaseMessageValidator validator;
/**
* @param WSDLValidatorImpl
*/
public AP1942(BaseMessageValidator impl)
{
super(impl);
this.validator = impl;
}
/* Validates the test assertion.
* @see org.wsi.test.profile.validator.impl.BaseValidatorImpl.AssertionProcess#validate(org.wsi.test.profile.TestAssertion, org.wsi.test.profile.validator.EntryContext)
*/
public AssertionResult validate(
TestAssertion testAssertion,
EntryContext entryContext)
throws WSIException
{
try
{
if (!entryContext.getMessageEntry().isMimeContent())
{
throw new AssertionNotApplicableException();
}
else
{
MimeParts mimeParts = entryContext.getMessageEntry().getMimeParts();
// If the message does not contain non-root MIME parts
// the assertion is not applicable
if (mimeParts.count()< 2)
throw new AssertionNotApplicableException();
// Getting an operation matched for a message
BindingOperation bindingOperation = validator.getOperationMatch(
entryContext.getEntry().getEntryType(),
entryContext.getMessageEntryDocument());
// If no one operation matches, the assertion is not applicable
if (bindingOperation == null)
throw new AssertionNotApplicableException();
// Getting the corresponding extensibility elements and message
List extElems;
Message message;
if (MessageEntry.TYPE_REQUEST
.equals(entryContext.getEntry().getEntryType()))
{
extElems = bindingOperation.getBindingInput() == null ? null
: bindingOperation.getBindingInput().getExtensibilityElements();
message = bindingOperation.getOperation().getInput() == null ? null
: bindingOperation.getOperation().getInput().getMessage();
}
else
{
extElems = bindingOperation.getBindingOutput() == null ? null
: bindingOperation.getBindingOutput().getExtensibilityElements();
message = bindingOperation.getOperation().getOutput() == null ? null
: bindingOperation.getOperation().getOutput().getMessage();
}
// A variable that indicates a binding contains at least one
// mime:content element that refers to global element declaration
boolean mimeContentFound = false;
// Going through the message MIME parts
Iterator iMimeParts = mimeParts.getParts().iterator();
int i = 0;
while (iMimeParts.hasNext())
{
i = i + 1;
// Getting a MIME part
MimePart mimePart = (MimePart)iMimeParts.next();
// Getting a part name form the Content-ID header
String partName = MIMEUtils.getMimeHeaderAttribute(
mimePart.getHeaders(), MIMEConstants.HEADER_CONTENT_ID);
try
{
int idx = partName.indexOf("=");
if((idx != -1) && partName.startsWith("<"))
partName = encodePartName(partName.substring(1, idx));
}
catch (Exception e)
{
// Could not extract a part name from the header,
// proceed with the next MIME part
continue;
}
// If the part is bound by a mime:content element
if (boundToMimeContent(extElems, partName) && message != null)
{
// Getting the corresponding part
Part part = (Part) message.getParts().get(partName);
QName refName;
// If the part refers to global element declaration
if (part != null && (refName = part.getElementName()) != null)
{
mimeContentFound = true;
// Trying to parse part content
Document doc = null;
try
{
doc = XMLUtils.parseXML(mimePart.getContent());
}
catch (Exception e) {}
// If the message is not an XML infoset, the assertion failed
if (doc == null)
{
throw new AssertionFailException("The bound message part of the "
+ "MIME part number " + (i + 1) + " is invalid XML infoset.");
}
// Creating a QName object of the root element
QName rootName = new QName(
doc.getDocumentElement().getNamespaceURI(),
doc.getDocumentElement().getLocalName());
// If the names of the root element and the referenced element
// are not equal, the assertion failed
if (!refName.equals(rootName))
{
throw new AssertionFailException("The root element name is "
+ rootName + ", the name of the referenced element is "
+ refName + ".");
}
}
}
}
// If no mime:contentS found, the assertion is not applicable
if (!mimeContentFound)
throw new AssertionNotApplicableException();
}
}
catch (AssertionNotApplicableException anae)
{
result = AssertionResult.RESULT_NOT_APPLICABLE;
}
catch (AssertionFailException afe)
{
result = AssertionResult.RESULT_FAILED;
failureDetail = validator.createFailureDetail(
afe.getMessage(), entryContext);
}
// Return assertion result
return validator.createAssertionResult(
testAssertion, result, failureDetail);
}
/**
* Validates whether a part is bound by a mime:content element.
* @param extElems a list of extensibility elements.
* @param part a part name.
* @return true if a part is bound by mime:content, false otherwise.
*/
private boolean boundToMimeContent(List extElems, String part)
{
if (extElems != null && extElems.size() > 0)
{
ExtensibilityElement extElem = (ExtensibilityElement) extElems.get(0);
// Expected the first ext elem is mime:multipartRelated
if (extElem.getElementType().equals(WSDL_MIME_MULTIPART))
{
// Getting the mime:part elements of the mime:multipartRelated
List mimeParts = ((MIMEMultipartRelated) extElem).getMIMEParts();
for (int i = 0; i < mimeParts.size(); i++)
{
// Getting the mime:part element needed
List elems = ((MIMEPart) mimeParts.get(i)).getExtensibilityElements();
if (elems.size() > 0)
{
// Getting the first element
ExtensibilityElement elem = (ExtensibilityElement) elems.get(0);
// If the element is mime:content and it binds a part
if (elem.getElementType().equals(WSDL_MIME_CONTENT)
&& part.equals(((MIMEContent)elem).getPart()))
{
return true;
}
}
}
}
}
return false;
}
/**
* Encode string from %HH to UTF
* @param str string
* @return encoded string from %HH format
*/
private String encodePartName(String str) {
StringBuffer res = new StringBuffer("");
for (int i = 0; i < str.length(); i++)
{
if((str.charAt(i) == '%') && (str.length() > i+2))
{
try
{
int value = Integer.parseInt(
String.valueOf(str.charAt(i+1)) +
String.valueOf(str.charAt(i+2)), 16);
res.append((char) value);
i +=2;
}
catch(NumberFormatException e){}
}
else
{
res.append(str.charAt(i));
}
}
return res.toString();
}
}
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