/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.xml.ws.policy.jaxws.xmlstreamwriter.documentfilter;
import com.sun.xml.ws.policy.jaxws.xmlstreamwriter.Invocation;
import com.sun.xml.ws.policy.privateutil.PolicyLogger;
import javax.xml.stream.XMLStreamWriter;
import static com.sun.xml.ws.policy.PolicyConstants.VISIBILITY_ATTRIBUTE;
import static com.sun.xml.ws.policy.PolicyConstants.VISIBILITY_VALUE_PRIVATE;
import static com.sun.xml.ws.policy.jaxws.xmlstreamwriter.documentfilter.InvocationProcessingState.*;
/**
*
* @author Marek Potociar (marek.potociar at sun.com)
*/
public class PrivateAttributeFilteringStateMachine implements FilteringStateMachine {
private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PrivateAttributeFilteringStateMachine.class);
private int depth; // indicates the depth in which we are currently nested in the element that should be filtered out
private boolean filteringOn; // indicates that currently processed elements will be filtered out.
private boolean cmdBufferingOn; // indicates whether the commands should be buffered or whether they can be directly executed on the underlying XML output stream
/** Creates a new instance of PrivateAttributeFilteringStateMachine */
public PrivateAttributeFilteringStateMachine() {
// nothing to initialize
}
public InvocationProcessingState getState(final Invocation invocation, final XMLStreamWriter writer) {
LOGGER.entering(invocation);
InvocationProcessingState resultingState = NO_STATE_CHANGE;
try {
switch (invocation.getMethodType()) {
case WRITE_START_ELEMENT:
if (filteringOn) {
depth++;
} else if (cmdBufferingOn) {
resultingState = RESTART_BUFFERING;
} else {
cmdBufferingOn = true;
resultingState = START_BUFFERING;
}
break;
case WRITE_END_ELEMENT:
if (filteringOn) {
if (depth == 0) {
filteringOn = false;
resultingState = STOP_FILTERING;
} else {
depth--;
}
} else if (cmdBufferingOn) {
cmdBufferingOn = false;
resultingState = STOP_BUFFERING;
}
break;
case WRITE_ATTRIBUTE:
if (!filteringOn && cmdBufferingOn && startFiltering(invocation, writer)) {
filteringOn = true;
cmdBufferingOn = false;
resultingState = START_FILTERING;
}
break;
case CLOSE:
if (filteringOn) {
filteringOn = false;
resultingState = STOP_FILTERING;
} else if (cmdBufferingOn) {
cmdBufferingOn = false;
resultingState = STOP_BUFFERING;
}
break;
default:
break;
}
return resultingState;
} finally {
LOGGER.exiting(resultingState);
}
}
private boolean startFiltering(final Invocation invocation, final XMLStreamWriter writer) {
final XmlFilteringUtils.AttributeInfo attributeInfo = XmlFilteringUtils.getAttributeNameToWrite(invocation, XmlFilteringUtils.getDefaultNamespaceURI(writer));
return VISIBILITY_ATTRIBUTE.equals(attributeInfo.getName()) && VISIBILITY_VALUE_PRIVATE.equals(attributeInfo.getValue());
}
}
|