/*
* Copyright (c) 2013, 2016 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.security.impl;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.revision.CDORevisionProvider;
import org.eclipse.emf.cdo.internal.security.PermissionUtil;
import org.eclipse.emf.cdo.internal.security.bundle.OM;
import org.eclipse.emf.cdo.security.PermissionFilter;
import org.eclipse.emf.cdo.security.SecurityPackage;
import org.eclipse.emf.internal.cdo.CDOObjectImpl;
import org.eclipse.net4j.util.StringUtil;
import org.eclipse.net4j.util.om.trace.ContextTracer;
import org.eclipse.emf.ecore.EClass;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Permission Filter</b></em>'.
* @since 4.3
* <!-- end-user-doc -->
*
* @generated
*/
public abstract class PermissionFilterImpl extends CDOObjectImpl implements PermissionFilter
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, PermissionFilterImpl.class);
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected PermissionFilterImpl()
{
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass()
{
return SecurityPackage.Literals.PERMISSION_FILTER;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected int eStaticFeatureCount()
{
return 0;
}
public boolean isApplicable(CDORevision revision, CDORevisionProvider revisionProvider, CDOBranchPoint securityContext, int level) throws Exception
{
String msg = StringUtil.NL;
boolean tracing = TRACER.isEnabled();
if (tracing)
{
msg = StringUtil.create(' ', level << 1) + getClass().getSimpleName() + ": " + format();
TRACER.trace(msg);
}
boolean result = false;
try
{
result = filter(revision, revisionProvider, securityContext, level);
}
catch (Exception ex)
{
if (tracing)
{
TRACER.trace(ex);
}
}
finally
{
if (tracing)
{
TRACER.trace(msg + " = " + result);
}
}
return result;
}
protected abstract boolean filter(CDORevision revision, CDORevisionProvider revisionProvider, CDOBranchPoint securityContext, int level) throws Exception;
/**
* @since 4.3
*/
protected final String getUser()
{
return PermissionUtil.getUser();
}
} // PermissionFilterImpl