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/*
* Copyright (c) 2012, 2013 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.common.revision.CDORevisionUtil;
import org.eclipse.emf.cdo.security.ResourcePermission;
import org.eclipse.emf.cdo.security.SecurityPackage;
import org.eclipse.emf.ecore.EClass;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Resource Permission</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.cdo.security.impl.ResourcePermissionImpl#getPattern <em>Pattern</em>}</li>
* </ul>
* </p>
*
* @generated
*/
@Deprecated
public class ResourcePermissionImpl extends PermissionImpl implements ResourcePermission
{
private static final Pattern OMNI_PATTERN = Pattern.compile(".*");
private Pattern pattern;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ResourcePermissionImpl()
{
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass()
{
return SecurityPackage.Literals.RESOURCE_PERMISSION;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getPattern()
{
return (String)eGet(SecurityPackage.Literals.RESOURCE_PERMISSION__PATTERN, true);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setPattern(String newPattern)
{
eSet(SecurityPackage.Literals.RESOURCE_PERMISSION__PATTERN, newPattern);
}
public boolean isApplicable(CDORevision revision, CDORevisionProvider revisionProvider, CDOBranchPoint securityContext)
{
if (pattern == null)
{
String str = getPattern();
pattern = compilePattern(str);
if (pattern == null)
{
return false;
}
}
if (pattern == OMNI_PATTERN)
{
return true;
}
if (revisionProvider == null)
{
return false;
}
String path = CDORevisionUtil.getResourceNodePath(revision, revisionProvider);
Matcher matcher = pattern.matcher(path);
return matcher.matches();
}
@Override
public boolean isImpacted(CommitImpactContext context)
{
return ResourceFilterImpl.isResourceTreeImpacted(context);
}
private Pattern compilePattern(String value)
{
if (value == null)
{
return null;
}
if (value.equals(OMNI_PATTERN.pattern()))
{
return OMNI_PATTERN;
}
try
{
return Pattern.compile(value);
}
catch (PatternSyntaxException ex)
{
return null;
}
}
} // ResourcePermissionImpl
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