001/*
002 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     Nuxeo - initial API and implementation
018 *
019 * $Id$
020 */
021
022package org.nuxeo.runtime.deployment.preprocessor.install.commands;
023
024import java.io.File;
025import java.io.FileNotFoundException;
026import java.io.IOException;
027import java.nio.file.Files;
028
029import org.nuxeo.common.utils.Path;
030import org.nuxeo.common.utils.PathFilter;
031import org.nuxeo.runtime.deployment.preprocessor.install.Command;
032import org.nuxeo.runtime.deployment.preprocessor.install.CommandContext;
033
034/**
035 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
036 */
037public class MoveCommand implements Command {
038
039    protected final Path src;
040
041    protected final Path dst;
042
043    protected final PathFilter filter;
044
045    /**
046     * Constructor for copy command.
047     *
048     * @param src the path relative to the root container. The path will be made absolute if not already
049     * @param dst the path relative to teh root container of the destination. If it is ending with a slash '/' the
050     *            destination path is treated as a directory
051     */
052    public MoveCommand(Path src, Path dst) {
053        this(src, dst, null);
054    }
055
056    public MoveCommand(Path src, Path dst, PathFilter filter) {
057        this.src = src;
058        this.dst = dst;
059        this.filter = filter;
060    }
061
062    @Override
063    public void exec(CommandContext ctx) throws IOException {
064        File baseDir = ctx.getBaseDir();
065        File srcFile = new File(baseDir, ctx.expandVars(src.toString()));
066        File dstFile = new File(baseDir, ctx.expandVars(dst.toString()));
067
068        if (!srcFile.exists()) {
069            throw new FileNotFoundException("Could not find the file " + srcFile.getAbsolutePath() + " to move.");
070        }
071
072        if (filter != null && !filter.accept(new Path(dstFile.getAbsolutePath()))) {
073            return;
074        }
075
076        if (!dstFile.exists()) {
077            if (dst.hasTrailingSeparator()) {
078                dstFile.mkdirs();
079            } else {
080                // make sure parent dirs exists
081                File parent = dstFile.getParentFile();
082                if (!parent.isDirectory()) {
083                    parent.mkdirs();
084                }
085            }
086        }
087
088        if (dstFile.exists()) {
089            Files.delete(dstFile.toPath());
090        }
091
092        Files.move(srcFile.toPath(), dstFile.toPath());
093    }
094
095    @Override
096    public String toString() {
097        return "copy " + src.toString() + " > " + dst.toString();
098    }
099
100    @Override
101    public String toString(CommandContext ctx) {
102        return "copy " + ctx.expandVars(src.toString()) + " > " + ctx.expandVars(dst.toString());
103    }
104
105}