/*************************************************************************
* Copyright 2009-2015 Eucalyptus Systems, Inc.
*
* 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/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.autoscaling.common.policy;
import java.util.Collections;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.eucalyptus.auth.policy.ern.Ern;
import com.eucalyptus.auth.policy.ern.ServiceErnBuilder;
import net.sf.json.JSONException;
/**
*
*/
public class AutoScalingErnBuilder extends ServiceErnBuilder {
//TODO: We currently extract the identifier from the ARN, not the name
public static final Pattern RESOURCE_PATTERN = Pattern.compile( "([a-zA-Z0-9]+):(?:(\\*)|([0-9a-fA-F]{8}-(?:[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}):(?:\\S+))" );
public static final int ARN_PATTERNGROUP_AUTOSCALING_TYPE = 1;
public static final int ARN_PATTERNGROUP_AUTOSCALING_ID = 2;
public AutoScalingErnBuilder( ) {
super( Collections.singleton( AutoScalingPolicySpec.VENDOR_AUTOSCALING ) );
}
@Override
public Ern build( final String ern,
final String service,
final String region,
final String account,
final String resource ) throws JSONException {
final Matcher matcher = RESOURCE_PATTERN.matcher( resource );
if ( matcher.matches( ) ) {
String type = matcher.group( ARN_PATTERNGROUP_AUTOSCALING_TYPE ).toLowerCase( );
String id = matcher.group( ARN_PATTERNGROUP_AUTOSCALING_ID ).toLowerCase( );
return new AutoScalingResourceName( region, account, type, id );
}
throw new JSONException( "'" + ern + "' is not a valid ARN" );
}
}