com.qwazr.utils.json.JsonException.java Source code

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Here is the source code for com.qwazr.utils.json.JsonException.java

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/**
 * Copyright 2014-2015 OpenSearchServer Inc.
 *
 * 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.qwazr.utils.json;

import java.util.List;

import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.qwazr.utils.ExceptionUtils;

@JsonInclude(Include.NON_EMPTY)
public class JsonException {

    public final String error;
    public final String reason_phrase;
    public final Integer status_code;
    public final String message;
    public final String exception;
    public final List<String> stackTraces;

    public JsonException(Status status, String message) {
        this.error = status == null ? null : status.name();
        this.reason_phrase = status == null ? null : status.getReasonPhrase();
        this.status_code = status == null ? null : status.getStatusCode();
        this.message = message;
        this.exception = null;
        this.stackTraces = null;
    }

    public JsonException(Status status, Exception e) {
        this.error = status == null ? null : status.name();
        this.reason_phrase = status == null ? null : status.getReasonPhrase();
        this.status_code = status == null ? null : status.getStatusCode();
        Throwable cause = e == null ? null : ExceptionUtils.getRootCause(e);
        this.message = cause == null ? null : cause.getMessage();
        this.exception = cause == null ? null : cause.getClass().getName();
        this.stackTraces = cause == null ? null : ExceptionUtils.getStackTraces(cause);
    }

    public JsonException(Status status, String error, Exception e) {
        this.error = error;
        this.reason_phrase = status == null ? null : status.getReasonPhrase();
        this.status_code = status == null ? null : status.getStatusCode();
        Throwable cause = e == null ? null : ExceptionUtils.getRootCause(e);
        this.message = cause == null ? null : cause.getMessage();
        this.exception = cause == null ? null : cause.getClass().getName();
        this.stackTraces = cause == null ? null : ExceptionUtils.getStackTraces(cause);
    }

    public JsonException(int status, String message) {
        this.error = null;
        this.reason_phrase = null;
        this.status_code = status;
        this.message = message;
        this.exception = null;
        this.stackTraces = null;
    }

    public Response toResponse() {
        try {
            String jsonMessage = JsonMapper.MAPPER.writeValueAsString(this);
            return Response.status(status_code).type(MediaType.APPLICATION_JSON).entity(jsonMessage).build();
        } catch (JsonProcessingException e) {
            return Response.status(status_code).type(MediaType.TEXT_PLAIN).entity(message).build();
        }
    }

}