| /* |
| * 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.uima.resource; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| /** |
| * Used by the resource manager to resolve relative URLs to absolute URLs. |
| * |
| * |
| */ |
| public interface RelativePathResolver { |
| |
| static final String UIMA_DATAPATH_PROP = "uima.datapath"; |
| |
| /** |
| * Gets the data path used to resolve relative paths. More than one directory may be specified by |
| * separating them with the System <code>path.separator</code> character (; on windows, : on |
| * UNIX). Elements of this path may be absolute or relative file paths. |
| * |
| * @return the data path |
| */ |
| public String getDataPath(); |
| |
| /** |
| * Sets the data path used to resolve relative paths. More than one directory may be specified by |
| * separating them with the System <code>path.separator</code> character (; on windows, : on |
| * UNIX). Elements of this path may be absolute or relative file paths. |
| * |
| * @param aPath |
| * the data path |
| * |
| * @throws MalformedURLException |
| * if a file path could not be converted to a URL |
| */ |
| public void setDataPath(String aPath) throws MalformedURLException; |
| |
| /** |
| * Resolves a relative URL to an absolute URL. This will attempt to resolve the URL relative to |
| * each element of the data path, sequentially starting with the first element. If this results in |
| * an absolute URL at which a file actually exists, that absolute URL is returned. If no file |
| * could be found, <code>null</code> is returned. |
| * |
| * @param aRelativeUrl |
| * the relative URL to be resolved (if an absolute URL is specified, it will be returned |
| * unmodified if a file actually exists at the URL; otherwise <code>null</code> will be |
| * returned). |
| * |
| * @return the absolute URL at which the file exists, <code>null</code> it none could be found. |
| */ |
| public URL resolveRelativePath(URL aRelativeUrl); |
| |
| /** |
| * Sets the ClassLoader that should be used to resolve the resources. |
| * |
| * @param aClassLoader |
| * the ClassLoader that should be used to resolve the resources. |
| */ |
| public void setPathResolverClassLoader(ClassLoader aClassLoader); |
| |
| } |