| /* |
| * 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.apache.commons.vfs2.provider.webdav4; |
| |
| import java.lang.reflect.Constructor; |
| |
| import org.apache.commons.vfs2.FileSystemException; |
| import org.apache.jackrabbit.webdav.DavConstants; |
| import org.apache.jackrabbit.webdav.DavException; |
| import org.apache.jackrabbit.webdav.xml.DomUtil; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Converts WebDAV exceptions into FileSystemExceptions. |
| * |
| * @since 2.5.0 |
| */ |
| public final class ExceptionConverter { |
| |
| // avoid instanciation |
| private ExceptionConverter() { |
| } |
| |
| public static FileSystemException generate(final DavException davExc) throws FileSystemException { |
| String msg = davExc.getMessage(); |
| if (davExc.hasErrorCondition()) { |
| try { |
| final Element error = davExc.toXml(DomUtil.createDocument()); |
| if (DomUtil.matches(error, DavException.XML_ERROR, DavConstants.NAMESPACE) && DomUtil.hasChildElement(error, "exception", null)) { |
| final Element exc = DomUtil.getChildElement(error, "exception", null); |
| if (DomUtil.hasChildElement(exc, "message", null)) { |
| msg = DomUtil.getChildText(exc, "message", null); |
| } |
| if (DomUtil.hasChildElement(exc, "class", null)) { |
| final Class<?> cl = Class.forName(DomUtil.getChildText(exc, "class", null)); |
| final Constructor<?> excConstr = cl.getConstructor(String.class); |
| if (excConstr != null) { |
| final Object o = excConstr.newInstance(msg); |
| if (o instanceof FileSystemException) { |
| return (FileSystemException) o; |
| } |
| if (o instanceof Exception) { |
| return new FileSystemException(msg, (Exception) o); |
| } |
| } |
| } |
| } |
| } catch (final Exception e) { |
| throw new FileSystemException(e); |
| } |
| } |
| |
| return new FileSystemException(msg); |
| } |
| } |