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ExceptionUtil.java
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ExceptionUtil.java
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/*
* Copyright (c) 2010-2017 Evolveum
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.evolveum.midpoint.schema.util;
import com.evolveum.midpoint.util.LocalizableMessage;
import com.evolveum.midpoint.util.exception.CommonException;
import com.evolveum.midpoint.util.exception.CommunicationException;
import com.evolveum.midpoint.util.exception.ConfigurationException;
import com.evolveum.midpoint.util.exception.ExpressionEvaluationException;
import com.evolveum.midpoint.util.exception.PolicyViolationException;
import com.evolveum.midpoint.util.exception.SchemaException;
import com.evolveum.midpoint.util.exception.SecurityViolationException;
import com.evolveum.midpoint.util.exception.TunnelException;
import com.evolveum.midpoint.xml.ns._public.common.common_3.CriticalityType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ErrorSelectorType;
/**
* @author Radovan Semancik
*
*/
public class ExceptionUtil {
public static Throwable lookForTunneledException(Throwable ex) {
if (ex instanceof TunnelException) {
return ex.getCause();
}
if (ex.getCause() != null) {
return lookForTunneledException(ex.getCause());
}
return null;
}
public static String lookForMessage(Throwable e) {
if (e.getMessage() != null) {
return e.getMessage();
}
if (e.getCause() != null) {
return lookForMessage(e.getCause());
}
return null;
}
public static CriticalityType getCriticality(ErrorSelectorType selector, Throwable exception, CriticalityType defaultValue) {
if (selector == null) {
return defaultValue;
}
if (exception instanceof CommunicationException) {
return getCriticality(selector.getNetwork(), defaultValue);
}
if (exception instanceof SecurityViolationException) {
return getCriticality(selector.getSecurity(), defaultValue);
}
if (exception instanceof PolicyViolationException) {
return getCriticality(selector.getPolicy(), defaultValue);
}
if (exception instanceof SchemaException) {
return getCriticality(selector.getSchema(), defaultValue);
}
if (exception instanceof ConfigurationException || exception instanceof ExpressionEvaluationException) {
return getCriticality(selector.getConfiguration(), defaultValue);
}
if (exception instanceof UnsupportedOperationException) {
return getCriticality(selector.getUnsupported(), defaultValue);
}
return getCriticality(selector.getGeneric(), defaultValue);
}
private static CriticalityType getCriticality(CriticalityType value, CriticalityType defaultValue) {
if (value == null) {
return defaultValue;
} else {
return value;
}
}
public static LocalizableMessage getUserFriendlyMessage(Throwable cause) {
while (cause != null) {
if (cause instanceof CommonException) {
LocalizableMessage userFriendlyMessage = ((CommonException)cause).getUserFriendlyMessage();
if (userFriendlyMessage != null) {
return userFriendlyMessage;
}
}
cause = cause.getCause();
}
return null;
}
public static <T extends Throwable> T findCause(Throwable throwable, Class<T> causeClass) {
while (throwable != null) {
if (causeClass.isAssignableFrom(throwable.getClass())) {
//noinspection unchecked
return (T) throwable;
}
throwable = throwable.getCause();
}
return null;
}
public static <T extends Throwable> T findException(Throwable throwable, Class<T> clazz) {
while (throwable != null) {
if (clazz.isAssignableFrom(throwable.getClass())) {
//noinspection unchecked
return (T) throwable;
}
throwable = throwable.getCause();
}
return null;
}
}