eu.europa.esig.dss.spi.exception.DSSDataLoaderMultipleException Maven / Gradle / Ivy
/**
* DSS - Digital Signature Services
* Copyright (C) 2015 European Commission, provided under the CEF programme
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package eu.europa.esig.dss.spi.exception;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
/**
* Contains a map of occurred exceptions to different URL calls
*/
public class DSSDataLoaderMultipleException extends DSSExternalResourceException {
private static final long serialVersionUID = 4981228392826668216L;
/** A map between failed URLs and caused exceptions */
private final Map urlExceptionMap;
/**
* Default constructor
*
* @param urlExceptionMap a map between failed URLs and caused exceptions
*/
public DSSDataLoaderMultipleException(Map urlExceptionMap) {
this.urlExceptionMap = urlExceptionMap;
}
@Override
public String getMessage() {
StringBuilder stringBuilder = new StringBuilder();
for (Map.Entry exceptionEntry : urlExceptionMap.entrySet()) {
Throwable exception = exceptionEntry.getValue();
String errorMessage = exception.getMessage();
if (exception instanceof DSSExternalResourceException) {
errorMessage = ((DSSExternalResourceException) exception).getCauseMessage();
}
stringBuilder.append("Failed to get data from URL '").append(exceptionEntry.getKey()).append("'. Reason : ");
stringBuilder.append('[').append(errorMessage).append("]. ");
}
return stringBuilder.toString();
}
@Override
public StackTraceElement[] getStackTrace() {
List stackTraceElements = new ArrayList<>();
for (Throwable exception : urlExceptionMap.values()) {
stackTraceElements.addAll(Arrays.asList(exception.getStackTrace()));
}
return stackTraceElements.toArray(new StackTraceElement[stackTraceElements.size()]);
}
@Override
String getCauseMessage() {
return getMessage();
}
}