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package org.rundeck.storage.conf;

import org.rundeck.storage.api.ContentMeta;
import org.rundeck.storage.api.Path;
import org.rundeck.storage.api.PathUtil;
import org.rundeck.storage.api.Tree;

/**
 * SelectiveTree that Maps resources into a delegate, that appends a path prefix to requests.
 *
 * This provides a root tree mapped to a subpath in the delegate.
 *
 * 
 *     Input Path: a/b
 *     Path used for delegate: ${pathPrefix}/a/b
 * 
 * @param 
 */
public class PrefixPathTree
        extends SubPathTree
        implements SelectiveTree
{

    public PrefixPathTree(final Tree delegate, final String pathPrefix) {
        super(delegate, pathPrefix, false);
    }

    public PrefixPathTree(
            final Tree delegate,
            final Path rootPath
    )
    {
        super(delegate, rootPath, false);
    }

    @Override
    protected boolean isLocalRoot(final Path path) {
        return PathUtil.isRoot(path);
    }

    @Override
    protected String translatePathInternal(final String extpath) {
        return PathUtil.appendPath(rootPath.getPath(), extpath);
    }

    @Override
    protected String translatePathExternal(final String intpath) {
        return PathUtil.removePrefix(rootPath.getPath(), intpath);
    }
}