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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.ws.internal.common;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.emf.common.util.WrappedException;
import org.eclipse.jst.ws.internal.plugin.WebServicePlugin;
public class StatusObjectHandler
{
// Copyright
public static final String copyright = "(c) Copyright IBM Corporation 2000, 2002.";
private static final int MAX_DETAILS = 16;
public static IStatus generateTreeStatus (IStatus status)
{
//
// There could be lots of Throwables, CoreExceptions,
// WrappedExceptions and IStatus objects beneath the
// given status. Find them.
//
LinkedList statusList = new LinkedList();
appendStatus(MAX_DETAILS, statusList, status, status.getSeverity());
if (statusList.size() > 0)
{
IStatus newStatus = (IStatus)statusList.removeFirst();
if (statusList.size() > 0)
{
IStatus[] secondaryStatusArray = new IStatus[statusList.size()];
int n = 0;
Iterator i = statusList.iterator();
while (i.hasNext())
{
secondaryStatusArray[n++] = (IStatus)i.next();
}
newStatus = new MultiStatus(status.getPlugin(),status.getCode(),secondaryStatusArray,status.getMessage(),status.getException());
}
return newStatus;
}
else
return null;
}
//
// Appends zero or more IStatus objects to the list of IStatus objects
// based upon an IStatus.
//
private static int appendStatus ( int max, List statusList, IStatus status, int severity )
{
if (max > 0 && status != null)
{
//
// Append an IStatus object for the given status' message.
//
if (status.getMessage() != null)
{
max = append(statusList,max,severity,status.getPlugin(),status.getCode(),status.getMessage(),status.getException());
}
//
// Append the IStatus' Throwable, if any.
//
max = appendThrowable(max,statusList,status.getException(),severity);
//
// If the IStatus is a multi status, append the children.
//
IStatus[] children = status.getChildren();
for (int i=0; i<children.length && max>0; i++)
{
max = appendStatus(max,statusList,children[i],severity);
}
}
return max;
}
//
// Appends zero or more IStatus objects to the list of IStatus objects
// based upon a Throwable. WrappedExceptions and CoreExceptions are
// given special treatment.
//
private static int appendThrowable ( int max, List statusList, Throwable throwable, int severity )
{
if (max > 0 && throwable != null)
{
//
// Append an IStatus object for the exception's message.
//
if (throwable.getLocalizedMessage() != null)
{
max = append(statusList,max,severity,WebServicePlugin.ID,0,throwable.getLocalizedMessage(),throwable);
}
//
// If the exception is a WrappedException, append the wrapped Exception.
//
if (throwable instanceof WrappedException)
{
WrappedException wexc = (WrappedException)throwable;
max = appendThrowable(max,statusList,wexc.exception(),severity);
}
//
// If the exception is a CoreException, append the enclosed IStatus.
//
if (throwable instanceof CoreException)
{
CoreException cexc = (CoreException)throwable;
max = appendStatus(max,statusList,cexc.getStatus(),severity);
}
}
return max;
}
//
// Creates and appends an IStatus to the list of IStatus objects.
//
private static int append ( List statusList, int max, int severity, String id, int code, String message, Throwable throwable )
{
if (max > 0)
{
IStatus status = new Status(severity,id,code,message,throwable);
statusList.add(status);
max--;
}
return max;
}
}
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