Example usage for org.apache.wicket.util.lang Exceptions findCause

Introduction

In this page you can find the example usage for org.apache.wicket.util.lang Exceptions findCause.

Prototype

public static <T extends Throwable> T findCause(final Throwable throwable, final Class<T> causeType) 

Source Link

Document

Looks for a cause of the specified type in throwable's chain

Usage

From source file:org.dcache.webadmin.controller.impl.StandardBillingService.java

License:Open Source License

public List<TimeFrameHistogramData> load(PlotType plotType, TimeFrame timeFrame)
        throws ServiceUnavailableException, NoRouteToCellException, TimeoutCacheException {
    logger.debug("remote fetch of {} {}", plotType, timeFrame);
    List<TimeFrameHistogramData> histograms = new ArrayList<>();
    try {/*from  w ww  .  j a  va2  s  .c om*/
        switch (plotType) {
        case BYTES_READ:
            add(client.getDcBytesHistogram(timeFrame, false), histograms);
            add(client.getHsmBytesHistogram(timeFrame, false), histograms);
            break;
        case BYTES_WRITTEN:
            add(client.getDcBytesHistogram(timeFrame, true), histograms);
            add(client.getHsmBytesHistogram(timeFrame, true), histograms);
            break;
        case BYTES_P2P:
            add(client.getP2pBytesHistogram(timeFrame), histograms);
            break;
        case TRANSFERS_READ:
            add(client.getDcTransfersHistogram(timeFrame, false), histograms);
            add(client.getHsmTransfersHistogram(timeFrame, false), histograms);
            break;
        case TRANSFERS_WRITTEN:
            add(client.getDcTransfersHistogram(timeFrame, true), histograms);
            add(client.getHsmTransfersHistogram(timeFrame, true), histograms);
            break;
        case TRANSFERS_P2P:
            add(client.getP2pTransfersHistogram(timeFrame), histograms);
            break;
        case CONNECTION_TIME:
            add(client.getDcConnectTimeHistograms(timeFrame), histograms);
            break;
        case CACHE_HITS:
            add(client.getHitHistograms(timeFrame), histograms);
            break;
        }
    } catch (UndeclaredThrowableException ute) {
        Throwable cause = Exceptions.findCause(ute, ServiceUnavailableException.class);
        if (cause != null) {
            throw (ServiceUnavailableException) cause;
        }
        cause = Exceptions.findCause(ute, NoRouteToCellException.class);
        if (cause != null) {
            throw (NoRouteToCellException) cause;
        }
        cause = Exceptions.findCause(ute, TimeoutCacheException.class);
        if (cause != null) {
            throw (TimeoutCacheException) cause;
        }
        cause = ute.getCause();
        Throwables.propagateIfPossible(cause);
        throw new RuntimeException(
                "Unexpected error: " + "this is probably a bug. Please report " + "to the dCache team.", cause);
    }
    return histograms;
}

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From source file:org.hippoecm.frontend.RepositoryRuntimeExceptionHandlingRequestCycleListener.java

License:Apache License

@Override
public IRequestHandler onException(RequestCycle cycle, Exception ex) {
    IRequestHandler handler = null;/*  w ww  .  j  ava2s. c  om*/
    RepositoryRuntimeException rrEx = Exceptions.findCause(ex, RepositoryRuntimeException.class);

    if (rrEx != null) {
        handler = createRequestHandler(rrEx);

        if (handler != null) {
            clearStates();
        }
    }

    return handler;
}

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