/*************************************************************************
* Copyright 2009-2012 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.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
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* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
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* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.walrus.util;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import com.eucalyptus.util.Internets;
import com.eucalyptus.walrus.exceptions.WalrusException;
import com.eucalyptus.walrus.msgs.WalrusErrorMessageType;
import com.google.common.base.Strings;
import edu.ucsb.eucalyptus.msgs.BaseMessage;
import edu.ucsb.eucalyptus.msgs.EucalyptusErrorMessageType;
import edu.ucsb.eucalyptus.msgs.ExceptionResponseType;
public class WalrusUtil {
public static BaseMessage convertErrorMessage(ExceptionResponseType errorMessage) {
Throwable ex = errorMessage.getException();
String correlationId = errorMessage.getCorrelationId();
BaseMessage errMsg = null;
if ((errMsg = convertException(correlationId, ex)) == null) {
errMsg = errorMessage;
}
return errMsg;
}
public static BaseMessage convertErrorMessage(EucalyptusErrorMessageType errorMessage) {
Throwable ex = errorMessage.getException();
String correlationId = errorMessage.getCorrelationId();
BaseMessage errMsg = null;
if ((errMsg = convertException(correlationId, ex)) == null) {
errMsg = errorMessage;
}
return errMsg;
}
private static BaseMessage convertException(String correlationId, Throwable ex) {
BaseMessage errMsg;
if (ex instanceof WalrusException) {
WalrusException e = (WalrusException) ex;
errMsg =
new WalrusErrorMessageType(e.getMessage(), e.getCode(), e.getStatus(), e.getResourceType(), e.getResource(), correlationId,
Internets.localHostAddress(), e.getLogData());
errMsg.setCorrelationId(correlationId);
return errMsg;
} else {
return null;
}
}
public static String URLdecode(String objectKey) throws UnsupportedEncodingException {
return URLDecoder.decode(objectKey, "UTF-8");
}
public static String[] getTarget(String operationPath) {
operationPath = operationPath.replaceAll("^/{2,}", "/"); // If its in the form "/////bucket/key", change it to "/bucket/key"
if (operationPath.startsWith("/")) { // If its in the form "/bucket/key", change it to "bucket/key"
operationPath = operationPath.substring(1);
}
String[] parts = operationPath.split("/", 2); // Split into a maximum of two parts [bucket, key]
if (parts != null) {
if (parts.length == 1 && Strings.isNullOrEmpty(parts[0])) { // Splitting empty string will lead one part, check if the part is empty
return null;
} else if (parts.length == 2 && Strings.isNullOrEmpty(parts[1])) { // Splitting "bucket/" will lead to two parts where the second one is empty,
// send only bucket
return new String[] {parts[0]};
}
}
return parts;
}
}