org.commonjava.indy.IndyException Maven / Gradle / Ivy

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/**
 * Copyright (C) 2011-2018 Red Hat, Inc. (https://github.com/Commonjava/indy)
 *
 * 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.commonjava.indy;

import java.io.NotSerializableException;
import java.io.Serializable;
import java.text.MessageFormat;

/**
 * Signals an error between the REST-resources layer and the next layer down (except for {@link DownloadManager}, which is normally two layers down thanks 
 * to binding controllers). Workflow exceptions are intended to carry with them some notion of what response to send to the user (even if it's 
 * the default: HTTP 500).
 */
public class IndyException
    extends Exception
{
    private Object[] params;

    private transient String formattedMessage;

    public IndyException( final String message, final Object... params )
    {
        super( message );
        this.params = params;
    }

    public IndyException( final String message, final Throwable cause, final Object... params )
    {
        super( message, cause );
        this.params = params;
    }

    private static final long serialVersionUID = 1L;

    @Override
    public synchronized String getMessage()
    {
        if ( formattedMessage == null )
        {
            final String format = super.getMessage();
            if ( params == null || params.length < 1 )
            {
                formattedMessage = format;
            }
            else
            {
                for(int i=0; i