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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Modifications Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.parameters;
import lombok.Getter;
/**
* Exception thrown oon parameter reading, validation, and check errors.
*
* @author Liam Fallon (liam.fallon@ericsson.com)
*/
public class ParameterException extends Exception {
private static final long serialVersionUID = -8507246953751956974L;
// The object on which the exception was thrown
@Getter
private final transient Object object;
/**
* Instantiates a new parameter exception.
*
* @param message the message on the exception
*/
public ParameterException(final String message) {
this(message, null);
}
/**
* Instantiates a new parameter exception.
*
* @param message the message on the exception
* @param object the object that the exception was thrown on
*/
public ParameterException(final String message, final Object object) {
super(message);
this.object = object;
}
/**
* Instantiates a new parameter exception.
*
* @param message the message on the exception
* @param exception the exception that caused this parameter exception
*/
public ParameterException(final String message, final Exception exception) {
this(message, exception, null);
}
/**
* Instantiates a new parameter exception.
*
* @param message the message on the exception
* @param exception the exception that caused this parameter exception
* @param object the object that the exception was thrown on
*/
public ParameterException(final String message, final Exception exception, final Object object) {
super(message, exception);
this.object = object;
}
/**
* Get the message from this exception and its causes.
*
* @return the cascaded messages from this exception and the exceptions that caused it
*/
public String getCascadedMessage() {
return buildCascadedMessage(this);
}
/**
* Build a cascaded message from an exception and all its nested exceptions.
*
* @param throwable the top level exception
* @return cascaded message string
*/
public static String buildCascadedMessage(final Throwable throwable) {
final var builder = new StringBuilder();
builder.append(throwable.getMessage());
for (var t = throwable; t != null; t = t.getCause()) {
builder.append("\ncaused by: ");
builder.append(t.getMessage());
}
return builder.toString();
}
}
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