/*
 * JBoss, Home of Professional Open Source
 * Copyright 2016 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.arquillian.test.spi;

import java.util.Collections;
import java.util.List;

public class CombinedException extends Exception {

    private final List<Throwable> causes;

    public CombinedException(String message, List<Throwable> causes) {
        super(message);
        this.causes = Collections.unmodifiableList(causes);
    }

    public CombinedException(String message) {
        super(message);
        this.causes = Collections.emptyList();
    }

    public CombinedException(String message, Throwable cause) {
        super(message, cause);
        this.causes = Collections.singletonList(cause);
    }

    public CombinedException(Throwable cause) {
        super(cause);
        this.causes = Collections.singletonList(cause);
    }

    public List<Throwable> getCauses() {
        return causes;
    }

    @Override
    public String getMessage() {
        final StringBuilder builder = new StringBuilder();
        for (int i = 0; i < causes.size(); i++) {
            final Throwable cause = causes.get(i);
            builder.append(
                String.format("Exception %d: '[%s] %s'%n", i + 1, cause.getClass().getName(), cause.getMessage()));
        }
        return builder.toString();
    }
}
