/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ws.security.policy.parser.processors;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ws.policy.PrimitiveAssertion;
import org.apache.ws.security.policy.WSSPolicyException;
import org.apache.ws.security.policy.model.Binding;
import org.apache.ws.security.policy.model.Layout;
import org.apache.ws.security.policy.parser.SecurityPolicy;
import org.apache.ws.security.policy.parser.SecurityPolicyToken;
import org.apache.ws.security.policy.parser.SecurityProcessorContext;
/**
* @author Werner Dittmann (werner@apache.org)
*
*/
public class LayoutProcessor {
private Log log = LogFactory.getLog(getClass());
private boolean initializedLayout = false;
/**
* Intialize the Layout complex token.
*
* This method creates a copy of the Layout token and sets the handler
* object to the copy. Then it creates copies of the child tokens that are
* allowed for Layout. These tokens are:
*
* These copies are also initialized with the handler object and then set as
* child tokens of Layout.
*
* <p/> The handler object that must contain the methods
* <code>doLayout</code>.
*
* @param spt
* The token that will hold the child tokens.
* @throws NoSuchMethodException
*/
private void initializeLayout(SecurityPolicyToken spt)
throws NoSuchMethodException {
SecurityPolicyToken tmpSpt = SecurityPolicy.strict.copy();
tmpSpt.setProcessTokenMethod(this);
spt.setChildToken(tmpSpt);
tmpSpt = SecurityPolicy.lax.copy();
tmpSpt.setProcessTokenMethod(this);
spt.setChildToken(tmpSpt);
tmpSpt = SecurityPolicy.laxTsFirst.copy();
tmpSpt.setProcessTokenMethod(this);
spt.setChildToken(tmpSpt);
tmpSpt = SecurityPolicy.laxTsLast.copy();
tmpSpt.setProcessTokenMethod(this);
spt.setChildToken(tmpSpt);
}
public Object doLayout(SecurityProcessorContext spc) {
log.debug("Processing "
+ spc.readCurrentSecurityToken().getTokenName() + ": "
+ SecurityProcessorContext.ACTION_NAMES[spc.getAction()]);
SecurityPolicyToken spt = spc.readCurrentSecurityToken();
switch (spc.getAction()) {
case SecurityProcessorContext.START:
if (!initializedLayout) {
try {
initializeLayout(spt);
initializedLayout = true;
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return new Boolean(false);
}
}
log.debug(spt.getTokenName());
PrimitiveAssertion pa = spc.getAssertion();
String text = pa.getStrValue();
if (text != null) {
text = text.trim();
log.debug("Value: '" + text.toString() + "'");
}
case SecurityProcessorContext.COMMIT:
break;
case SecurityProcessorContext.ABORT:
break;
}
return new Boolean(true);
}
public Object doStrict(SecurityProcessorContext spc) {
log.debug("Processing "
+ spc.readCurrentSecurityToken().getTokenName() + ": "
+ SecurityProcessorContext.ACTION_NAMES[spc.getAction()]);
try {
if(spc.getAction() == SecurityProcessorContext.START) {
Layout layout = (Layout) spc.readCurrentPolicyEngineData();
layout.setValue(spc.getAssertion().getName().getLocalPart());
((Binding)spc.readPreviousPolicyEngineData()).setLayout(layout);
}
} catch (WSSPolicyException e) {
log.error(e.getMessage(), e);
return new Boolean(false);
}
return new Boolean(true);
}
public Object doLax(SecurityProcessorContext spc) {
log.debug("Processing "
+ spc.readCurrentSecurityToken().getTokenName() + ": "
+ SecurityProcessorContext.ACTION_NAMES[spc.getAction()]);
try {
if(spc.getAction() == SecurityProcessorContext.START) {
Layout layout = (Layout) spc.readCurrentPolicyEngineData();
layout.setValue(spc.getAssertion().getName().getLocalPart());
((Binding)spc.readPreviousPolicyEngineData()).setLayout(layout);
}
} catch (WSSPolicyException e) {
log.error(e.getMessage(), e);
return new Boolean(false);
}
return new Boolean(true);
}
public Object doLaxTsFirst(SecurityProcessorContext spc) {
log.debug("Processing "
+ spc.readCurrentSecurityToken().getTokenName() + ": "
+ SecurityProcessorContext.ACTION_NAMES[spc.getAction()]);
try {
if(spc.getAction() == SecurityProcessorContext.START) {
Layout layout = (Layout) spc.readCurrentPolicyEngineData();
layout.setValue(spc.getAssertion().getName().getLocalPart());
((Binding)spc.readPreviousPolicyEngineData()).setLayout(layout);
}
} catch (WSSPolicyException e) {
log.error(e.getMessage(), e);
return new Boolean(false);
}
return new Boolean(true);
}
public Object doLaxTsLast(SecurityProcessorContext spc) {
log.debug("Processing "
+ spc.readCurrentSecurityToken().getTokenName() + ": "
+ SecurityProcessorContext.ACTION_NAMES[spc.getAction()]);
try {
if(spc.getAction() == SecurityProcessorContext.START) {
Layout layout = (Layout) spc.readCurrentPolicyEngineData();
layout.setValue(spc.getAssertion().getName().getLocalPart());
((Binding)spc.readPreviousPolicyEngineData()).setLayout(layout);
}
} catch (WSSPolicyException e) {
log.error(e.getMessage(), e);
return new Boolean(false);
}
return new Boolean(true);
}
}