Java Path Relative nio relativizePath(IPath path, IPath basePath, boolean strict)

Description

relativize Path

License

Apache License

Declaration

private static IPath relativizePath(IPath path, IPath basePath,
            boolean strict) 

Method Source Code

//package com.java2s;
/*/*  w ww.  j a  v a  2  s .  com*/
 * Copyright 2016 Google Inc.
 *
 * 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.
 */

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;

public class Main {
    /**
     * Returns the relative path of the original <code>path</code> with respect to the <code>basePath</code> if they share
     * the same prefix path, otherwise <code>path</code> is returned unchanged. If <code>path</code> is <code>null</code>,
     * <code>basePath</code> is returned. If <code>basePath</code> is <code>null</code>, <code>path</code> is returned.
     */
    public static IPath relativizePath(IPath path, IPath basePath) {
        return relativizePath(path, basePath, false);
    }

    private static IPath relativizePath(IPath path, IPath basePath,
            boolean strict) {
        if (path == null) {
            return basePath;
        }
        if (basePath == null) {
            return path;
        }
        java.nio.file.Path base = basePath.toFile().toPath()
                .toAbsolutePath();
        java.nio.file.Path child = path.toFile().toPath().toAbsolutePath();
        if (child.startsWith(base)) {
            return new Path(base.relativize(child).toString());
        } else if (strict) {
            return null;
        } else {
            return path;
        }
    }
}

Related

1. relativePathTo(Path path, Path basePath)
2. relativize(Path absoluteDirectory, Path subDirectory)
3. relativize(Path target, Collection paths)
4. relativizeAndNormalizePath(final String baseDirectory, final String path)
5. relativizePath(IPath path, IPath basePath)
6. relativizePath(Path root, Path child)
7. relativizePath(String basePath, File toRelativize)
8. resolvePathIfRelativeTo(File referenceFile, String partialPath)
9. resolveRelative(Path p, String other)