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.IOException;
026
027import org.nuxeo.common.utils.FileUtils;
028import org.nuxeo.common.utils.Path;
029import org.nuxeo.runtime.deployment.preprocessor.install.Command;
030import org.nuxeo.runtime.deployment.preprocessor.install.CommandContext;
031
032/**
033 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
034 */
035public class MkfileCommand implements Command {
036
037    protected final Path path;
038
039    protected final byte[] content;
040
041    /**
042     * Constructor for mkfile command.
043     *
044     * @param path the path relative to the root container
045     * @param content the file content as an array of bytes
046     */
047    public MkfileCommand(Path path, byte[] content) {
048        this.path = path;
049        this.content = content;
050    }
051
052    @Override
053    public void exec(CommandContext ctx) throws IOException {
054        File baseDir = ctx.getBaseDir();
055        File file = new File(baseDir, ctx.expandVars(path.toString()));
056
057        File parent = file.getParentFile();
058        if (!parent.isDirectory()) {
059            // make sure the parent exists
060            parent.mkdirs();
061        }
062
063        if (content != null && content.length > 0) {
064            FileUtils.writeFile(file, content);
065        } else {
066            file.createNewFile();
067        }
068    }
069
070    @Override
071    public String toString() {
072        return "mkfile " + path.toString();
073    }
074
075    @Override
076    public String toString(CommandContext ctx) {
077        return "mkfile " + ctx.expandVars(path.toString());
078    }
079
080}