com.francetelecom.clara.cloud.presentation.ExceptionViewFactory.java Source code

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Here is the source code for com.francetelecom.clara.cloud.presentation.ExceptionViewFactory.java

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/**
 * Copyright (C) 2015 Orange
 * 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.francetelecom.clara.cloud.presentation;

import com.francetelecom.clara.cloud.commons.AuthorizationException;
import com.francetelecom.clara.cloud.core.service.exception.InvalidApplicationException;
import com.francetelecom.clara.cloud.core.service.exception.InvalidReleaseException;
import com.francetelecom.clara.cloud.core.service.exception.ObjectNotFoundException;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.wicket.WicketRuntimeException;
import org.slf4j.LoggerFactory;

import java.lang.management.ManagementFactory;
import java.lang.management.ThreadMXBean;

public class ExceptionViewFactory {

    private static final transient org.slf4j.Logger logger = LoggerFactory.getLogger(ExceptionViewFactory.class);

    private final transient WebPageFactory webPageFactory;

    public ExceptionViewFactory(WebPageFactory webPageFactory) {
        super();
        if (webPageFactory == null)
            throw new IllegalArgumentException("cannot create ExceptionViewFactory. Invalid value <"
                    + webPageFactory + "> for webPageFactory");
        this.webPageFactory = webPageFactory;
    }

    public ExceptionView newView(Exception e) {
        Throwable rootCause = (ExceptionUtils.getRootCause(e) != null ? ExceptionUtils.getRootCause(e) : e);
        if (rootCause instanceof AuthorizationException) {
            return webPageFactory.getAuthorizationExceptionPage();
        }
        if (rootCause instanceof InvalidApplicationException) {
            return webPageFactory.getInvalidApplicationExceptionPage();
        }
        if (rootCause instanceof InvalidReleaseException) {
            return webPageFactory.getInvalidReleaseExceptionPage();
        }
        if (rootCause instanceof ObjectNotFoundException) {
            return webPageFactory.getObjectNotFoundExceptionPage();
        }
        if (rootCause instanceof WicketRuntimeException && rootCause.getMessage() != null
                && rootCause.getMessage().contains("Pagemap null is still locked")) {
            ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
            logger.debug("dumping threads for page map issue");
            logger.debug(threadMXBean.dumpAllThreads(true, true).toString());
            return webPageFactory.getUnknownExceptionPage();
        }

        return webPageFactory.getUnknownExceptionPage();
    }

}