org.syncope.console.SyncopeRequestCycleListener.java Source code

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Here is the source code for org.syncope.console.SyncopeRequestCycleListener.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 org.syncope.console;

import org.apache.wicket.Page;
import org.apache.wicket.authorization.UnauthorizedInstantiationException;
import org.apache.wicket.markup.html.pages.ExceptionErrorPage;
import org.apache.wicket.model.StringResourceModel;
import org.apache.wicket.protocol.http.PageExpiredException;
import org.apache.wicket.request.IRequestHandler;
import org.apache.wicket.request.cycle.AbstractRequestCycleListener;
import org.apache.wicket.request.cycle.RequestCycle;
import org.apache.wicket.request.handler.ComponentRenderingRequestHandler;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.RestClientException;
import org.syncope.console.pages.ErrorPage;

public class SyncopeRequestCycleListener extends AbstractRequestCycleListener {

    /**
     * Logger.
     */
    private static final Logger LOG = LoggerFactory.getLogger(SyncopeRequestCycleListener.class);

    /**
     * {@inheritDoc}
     */
    @Override
    public IRequestHandler onException(final RequestCycle cycle, final Exception e) {

        LOG.error("Exception found", e);

        final Page errorPage;
        PageParameters errorParameters = new PageParameters();
        errorParameters.add("errorTitle", new StringResourceModel("alert", null).getString());

        if (e instanceof UnauthorizedInstantiationException) {
            errorParameters.add("errorMessage",
                    new StringResourceModel("unauthorizedInstantiationException", null).getString());

            errorPage = new ErrorPage(errorParameters);
        } else if (e instanceof HttpClientErrorException) {
            errorParameters.add("errorMessage", new StringResourceModel("httpClientException", null).getString());

            errorPage = new ErrorPage(errorParameters);
        } else if (e instanceof PageExpiredException || !(SyncopeSession.get()).isAuthenticated()) {

            errorParameters.add("errorMessage", new StringResourceModel("pageExpiredException", null).getString());

            errorPage = new ErrorPage(errorParameters);
        } else if (e.getCause() != null && e.getCause().getCause() != null
                && e.getCause().getCause() instanceof RestClientException) {

            errorParameters.add("errorMessage", new StringResourceModel("restClientException", null).getString());

            errorPage = new ErrorPage(errorParameters);
        } else {
            // redirect to default Wicket error page
            errorPage = new ExceptionErrorPage(e, null);
        }

        return new ComponentRenderingRequestHandler(errorPage);
    }
}