com.avanza.astrix.modules.ModulesConfigurationException Maven / Gradle / Ivy
/*
* Copyright 2014 Avanza Bank AB
*
* 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.avanza.astrix.modules;
import java.util.LinkedList;
/**
*
* @author Elias Lindholm (elilin)
*
*/
public class ModulesConfigurationException extends RuntimeException {
private static final long serialVersionUID = 1L;
private final LinkedList dependencyTrace = new LinkedList();
private final String msg;
public ModulesConfigurationException() {
msg = null;
}
public ModulesConfigurationException(String msg) {
this.msg = msg;
}
public void addToDependencyTrace(Class type, String moduleName) {
dependencyTrace.addFirst(type.getName() + " [" + moduleName + "]");
}
@Override
public String getMessage() {
StringBuilder result = new StringBuilder();
if (msg != null) {
result.append(msg).append("\n");
}
boolean prependDependencyArrow = false;
for (String dep : dependencyTrace) {
if (prependDependencyArrow) {
result.append("\n --> ");
} else {
prependDependencyArrow = true;
}
result.append(dep);
}
return result.toString();
}
}