de.drv.dsrv.spoc.web.webservice.spring.SpocEndpointExceptionResolver.java Source code

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Here is the source code for de.drv.dsrv.spoc.web.webservice.spring.SpocEndpointExceptionResolver.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 de.drv.dsrv.spoc.web.webservice.spring;

import java.util.Locale;

import javax.xml.namespace.QName;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.MessageSource;
import org.springframework.ws.context.MessageContext;
import org.springframework.ws.server.endpoint.AbstractEndpointExceptionResolver;
import org.springframework.ws.soap.SoapBody;
import org.springframework.ws.soap.SoapFault;
import org.springframework.ws.soap.SoapFaultDetail;
import org.springframework.ws.soap.SoapMessage;

import de.drv.dsrv.spoc.extra.v1_3.ExtraJaxbMarshaller;
import de.drv.dsrv.spoc.extra.v1_3.jaxb.service.ExtraErrorType;
import de.drv.dsrv.spoc.web.util.Messages;
import de.drv.dsrv.spoc.web.webservice.ExtraExceptionHelper;
import de.drv.dsrv.spoc.web.webservice.InvalidExtraRequestException;
import de.drv.dsrv.spoc.web.webservice.UnidentifiedFachverfahrenException;

/**
 * Schreibt <code>Exception</code>s als <code>ExtraErrorType</code> in ein
 * SOAP-Fault Objekt.
 */
public class SpocEndpointExceptionResolver extends AbstractEndpointExceptionResolver {

    private static final Log LOG = LogFactory.getLog(SpocEndpointExceptionResolver.class);

    /**
     * Standard <code>Locale</code> f&uuml; Textausgaben.
     */
    private static final Locale DEFAULT_LOCALE = Locale.GERMANY;

    private final ExtraJaxbMarshaller extraJaxbMarshaller;

    private final ExtraExceptionHelper extraExceptionHelper;

    private final MessageSource messages;

    private final String soapFaultString;

    public SpocEndpointExceptionResolver(final ExtraExceptionHelper extraExceptionHelper,
            final ExtraJaxbMarshaller extraJaxbMarshaller, final MessageSource messageSource,
            final String soapFaultString) {
        super();
        this.extraExceptionHelper = extraExceptionHelper;
        this.extraJaxbMarshaller = extraJaxbMarshaller;
        this.messages = messageSource;
        this.soapFaultString = soapFaultString;
    }

    @Override
    protected boolean resolveExceptionInternal(final MessageContext ctx, final Object endpoint,
            final Exception exception) {

        LOG.error("Behandlung von Exception: ", exception);

        if (!(ctx.getResponse() instanceof SoapMessage)) {
            LOG.error("Aufruf mit anderer Response als SoapMessage: " + ctx.getResponse());
            throw new IllegalArgumentException("SpocEndpointExceptionResolver benoetigt eine SoapMessage");
        }

        final SoapBody body = ((SoapMessage) ctx.getResponse()).getSoapBody();
        final SoapFault fault = generateSoapFault(exception, body);
        final SoapFaultDetail faultDetail = fault.addFaultDetail();

        try {
            final ExtraErrorType extraErrorType = this.extraExceptionHelper
                    .generateExtraErrorFromException(exception);
            this.extraJaxbMarshaller.marshalExtraError(extraErrorType, faultDetail.getResult());
        } catch (final Exception e) {
            LOG.error("Exception beim Marshalling von ExtraError.", e);
            faultDetail
                    .addFaultDetailElement(new QName(
                            this.messages.getMessage(Messages.ERROR_NON_EXTRA_ELEMENT_NAME, null, DEFAULT_LOCALE)))
                    .addText(this.messages.getMessage(Messages.ERROR_NON_EXTRA_TEXT, null, DEFAULT_LOCALE));
        }
        return true;
    }

    private SoapFault generateSoapFault(final Exception exception, final SoapBody body) {

        SoapFault fault = null;
        if ((exception instanceof InvalidExtraRequestException)
                || (exception instanceof UnidentifiedFachverfahrenException)) {
            fault = body.addClientOrSenderFault(this.soapFaultString, DEFAULT_LOCALE);
        } else {
            fault = body.addServerOrReceiverFault(this.soapFaultString, DEFAULT_LOCALE);
        }
        return fault;
    }
}