org.apache.jackrabbit.vault.cli.AggregateCFile Maven / Gradle / Ivy

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Provides a simple shell-like console that access the file vault.
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/*
 * 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.jackrabbit.vault.cli;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.List;

import javax.jcr.RepositoryException;

import org.apache.jackrabbit.vault.fs.api.Aggregate;
import org.apache.jackrabbit.vault.util.console.ConsoleFile;

/**
 * {@code JcrCWO}...
 *
 */
public class AggregateCFile implements ConsoleFile {

    private final Aggregate aggregate;

    public AggregateCFile(Aggregate file) {
        this.aggregate = file;
    }

    public Object unwrap() {
        return aggregate;
    }

    public String getPath() {
        return aggregate.getPath();
    }

    public ConsoleFile getFile(String path, boolean mustExist)
            throws IOException {
        try {
            Aggregate node = aggregate.getManager().getRoot();
            if (!path.equals("/")) {
                node = this.aggregate.getAggregate(path);
                if (node == null) {
                    throw new FileNotFoundException(path);
                }
            }
            return new AggregateCFile(node);
        } catch (RepositoryException e) {
            throw new IOException("Error while retrieving file: " + e.toString());
        }
    }

    public ConsoleFile[] listFiles() throws IOException {
        try {
            List files = aggregate.getLeaves();
            if (files == null || files.isEmpty()) {
                return ConsoleFile.EMPTY_ARRAY;
            }
            AggregateCFile[] ret = new AggregateCFile[files.size()];
            int i=0;
            for (Aggregate node: files) {
                ret[i++] = new AggregateCFile(node);
            }
            return ret;
        } catch (RepositoryException e) {
            throw new IOException(e.toString());
        }
    }

    public boolean allowsChildren() {
        return aggregate.allowsChildren();
    }

    public String getName() {
        return aggregate.getRelPath();
    }
}