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16d0d0e786
- Change the way the CMIS implementation interacts with authentication, logging and transactions
by constructing a service layered in three interceptors:
<property name="cmisTransactions" ref="CMISService_Transactions" />
<property name="cmisExceptions" ref="CMISService_Exceptions" />
<property name="cmisControl" ref="CMISService_Control" />
- CMISService_Transactions:
Retrying transactions are initiated for all operations and we no longer attempt to hold
transactions open across method calls. This optimization is secondary to having full retrying
behaviour, without which the server could throw avoidable exceptions in concurrent environments.
- CMISService_Exceptions:
Performs translation from typical repo exceptions into CMIS exceptions
- CMISService_Control:
Provides details logging of inbound authentication states, arguments, exceptions and return values
To get logging without method arguments (can be verbose):
log4j.logger.org.alfresco.opencmis.AlfrescoCmisServiceInterceptor=DEBUG
To include method call arguments:
log4j.logger.org.alfresco.opencmis.AlfrescoCmisServiceInterceptor=TRACE
Logging will include details of inbound, method-call and outbound thread authentication credentials.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@32331 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
85 lines
3.2 KiB
Java
85 lines
3.2 KiB
Java
/*
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* Copyright (C) 2005-2010 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.opencmis;
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import org.alfresco.repo.node.integrity.IntegrityException;
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import org.alfresco.repo.security.authentication.AuthenticationException;
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import org.alfresco.repo.security.permissions.AccessDeniedException;
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import org.alfresco.service.cmr.coci.CheckOutCheckInServiceException;
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import org.alfresco.service.cmr.model.FileExistsException;
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import org.aopalliance.intercept.MethodInterceptor;
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import org.aopalliance.intercept.MethodInvocation;
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import org.apache.chemistry.opencmis.commons.exceptions.CmisBaseException;
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import org.apache.chemistry.opencmis.commons.exceptions.CmisConstraintException;
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import org.apache.chemistry.opencmis.commons.exceptions.CmisContentAlreadyExistsException;
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import org.apache.chemistry.opencmis.commons.exceptions.CmisPermissionDeniedException;
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import org.apache.chemistry.opencmis.commons.exceptions.CmisRuntimeException;
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import org.apache.chemistry.opencmis.commons.exceptions.CmisVersioningException;
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/**
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* Interceptor to catch various exceptions and translate them into CMIS-related exceptions
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* <p/>
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* TODO: Externalize messages
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* TODO: Use ExceptionStackUtil to dig out exceptions of interest regardless of depth
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*
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* @author Derek Hulley
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* @since 4.0
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*/
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public class AlfrescoCmisExceptionInterceptor implements MethodInterceptor
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{
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public Object invoke(MethodInvocation mi) throws Throwable
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{
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try
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{
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return mi.proceed();
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}
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catch (AuthenticationException e)
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{
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throw new CmisPermissionDeniedException(e.getMessage(), e);
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}
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catch (CheckOutCheckInServiceException e)
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{
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throw new CmisVersioningException("Check out failed: " + e.getMessage(), e);
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}
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catch (FileExistsException fee)
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{
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throw new CmisContentAlreadyExistsException("An object with this name already exists!", fee);
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}
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catch (IntegrityException ie)
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{
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throw new CmisConstraintException("Constraint violation: " + ie.getMessage(), ie);
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}
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catch (AccessDeniedException ade)
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{
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throw new CmisPermissionDeniedException("Permission denied!", ade);
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}
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catch (Exception e)
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{
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if (e instanceof CmisBaseException)
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{
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throw (CmisBaseException) e;
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}
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else
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{
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throw new CmisRuntimeException(e.getMessage(), e);
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}
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}
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}
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}
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