/*************************************************************************
* (c) Copyright 2017 Hewlett Packard Enterprise Development Company LP
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
************************************************************************/
package com.eucalyptus.auth.policy.key;
import com.eucalyptus.auth.AuthException;
import com.eucalyptus.auth.policy.condition.ConditionOp;
import com.eucalyptus.auth.policy.condition.StringConditionOp;
import com.eucalyptus.auth.policy.variable.PolicyVariables;
import net.sf.json.JSONException;
/**
*
*/
public class PolicyVariableKey implements Key {
private final String name;
public PolicyVariableKey( final String name ) {
this.name = name;
}
@Override
public String name( ) {
return name;
}
@Override
public String value( ) throws AuthException {
return PolicyVariables.getPolicyVariable( name( ) ).evaluate( );
}
@Override
public void validateConditionType( final Class<? extends ConditionOp> conditionClass ) throws JSONException {
if ( !StringConditionOp.class.isAssignableFrom( conditionClass ) ) {
throw new JSONException( name() + " is not allowed in condition " + conditionClass.getName( ) + ". String conditions are required." );
}
}
@Override
public boolean canApply( final String action ) {
return true;
}
}