| /******************************************************************************* |
| * 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.StringTokenizer; |
| |
| import org.eclipse.wst.wsi.internal.core.WSIException; |
| 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.HTTPConstants; |
| import org.eclipse.wst.wsi.internal.core.util.HTTPUtils; |
| |
| |
| /** |
| * BP4105 |
| * <context>For a candidate message in the message log file containing a Content-encoding HTTP header field with a value other than "gzip", "compress" or "deflate"</context> |
| * <assertionDescription>The contained Content-encoding HTTP header field has a value other than "gzip", "compress" or "deflate".</assertionDescription> |
| */ |
| public class BP4105 extends AssertionProcess { |
| |
| // All the registered content-coding value tokens (RFC2616) except "identity" |
| private static final String GZIP_VALUE = "gzip"; |
| private static final String COMPRESS_VALUE = "compress"; |
| private static final String DEFLATE_VALUE = "deflate"; |
| |
| private final BaseMessageValidator validator; |
| |
| /** |
| * @param BaseMessageValidator |
| */ |
| public BP4105(BaseMessageValidator impl) |
| { |
| super(impl); |
| this.validator = impl; |
| } |
| |
| public AssertionResult validate( |
| TestAssertion testAssertion, |
| EntryContext entryContext) |
| throws WSIException |
| { |
| |
| // Getting the Content-Encoding HTTP header value |
| String contentEncoding = (String) HTTPUtils.getHttpHeaderTokens( |
| entryContext.getMessageEntry().getHTTPHeaders(), |
| ":").get(HTTPConstants.HEADER_CONTENT_ENCODING.toUpperCase()); |
| |
| if (contentEncoding != null) |
| { |
| // Lowering value's case because RFC2616 says |
| // that all content-coding values are case-insensitive |
| contentEncoding = contentEncoding.toLowerCase(); |
| |
| // Multiple encodings can be applied to an entity, |
| // so breaking the value into tokens |
| StringTokenizer st = new StringTokenizer(contentEncoding, ","); |
| while (st.hasMoreTokens()) |
| { |
| String token = st.nextToken().trim(); |
| // If a token does not equal to any registered one |
| // then the assertion passed |
| if ( !token.equals(GZIP_VALUE) |
| && !token.equals(COMPRESS_VALUE) |
| && !token.equals(DEFLATE_VALUE)) { |
| |
| failureDetail = validator.createFailureDetail( |
| testAssertion.getDetailDescription(), entryContext); |
| |
| break; |
| } |
| } |
| } |
| |
| // If there is no unregistered value of Content-Encoding, |
| // then the assertion is not applicable |
| if (failureDetail == null) |
| { |
| result = AssertionResult.RESULT_NOT_APPLICABLE; |
| } |
| |
| return validator.createAssertionResult( |
| testAssertion, result, failureDetail); |
| } |
| } |