com.unboundid.scim2.server.providers.JsonProcessingExceptionMapper.java Source code

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Here is the source code for com.unboundid.scim2.server.providers.JsonProcessingExceptionMapper.java

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/*
 * Copyright 2015-2017 UnboundID Corp.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (GPLv2 only)
 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses>.
 */

package com.unboundid.scim2.server.providers;

import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.unboundid.scim2.common.exceptions.BadRequestException;
import com.unboundid.scim2.common.exceptions.ScimException;
import com.unboundid.scim2.common.exceptions.ServerErrorException;
import com.unboundid.scim2.common.messages.ErrorResponse;
import com.unboundid.scim2.server.utils.ServerUtils;

import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;

/**
 * A JAX-RS ExceptionMapper for to convert Jackson JsonProcessingException to
 * SCIM ErrorResponses.
 */
@Provider
public class JsonProcessingExceptionMapper implements ExceptionMapper<JsonProcessingException> {
    @Context
    private Request request;
    @Context
    private HttpHeaders headers;

    /**
     * {@inheritDoc}
     */
    public Response toResponse(final JsonProcessingException exception) {
        ErrorResponse errorResponse;
        if ((exception instanceof JsonParseException) || (exception instanceof JsonMappingException)) {
            StringBuilder builder = new StringBuilder();
            builder.append("Unable to parse request: ");
            builder.append(exception.getOriginalMessage());
            if (exception.getLocation() != null) {
                builder.append(" at line: ");
                builder.append(exception.getLocation().getLineNr());
                builder.append(", column: ");
                builder.append(exception.getLocation().getColumnNr());
            }
            errorResponse = BadRequestException.invalidSyntax(builder.toString()).getScimError();
        } else {
            if (exception.getCause() != null && exception.getCause() instanceof ScimException) {
                errorResponse = ((ScimException) exception.getCause()).getScimError();
            } else {
                errorResponse = new ServerErrorException(exception.getMessage()).getScimError();
            }
        }

        return ServerUtils.setAcceptableType(Response.status(errorResponse.getStatus()).entity(errorResponse),
                headers.getAcceptableMediaTypes()).build();
    }
}