net.sf.infrared.tool.util.FileUtil.java Source code

Introduction

Here is the source code for net.sf.infrared.tool.util.FileUtil.java

Source

/* 
 * Copyright 2005 Tavant Technologies and Contributors
 * 
 * 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.
 *
 */
package net.sf.infrared.tool.util;

import java.io.File;
import java.io.IOException;

import net.sf.infrared.tool.InfraredToolException;

import org.apache.commons.io.FileUtils;

/**
 * Common utility methods related to file handling
 * @author chetanm
 * @date Jun 22, 2007
 * @version $Revision: 1.1 $
 */
public class FileUtil {

    private JarHelper jarHelper = new JarHelper();

    public void uncompressFileToDir(File srcFile, File outputDir) {
        try {
            jarHelper.unjarDir(srcFile, outputDir);
        } catch (IOException ex) {
            throw new InfraredToolException("Failed to unarchive " + srcFile.getAbsolutePath() + " to directory "
                    + outputDir.getAbsolutePath(), ex);
        }
    }

    public void copyDirectory(File srcDir, File destDir) {
        try {
            FileUtils.copyDirectoryToDirectory(srcDir, destDir);
        } catch (IOException ex) {
            throw new InfraredToolException("Failed to copy directory " + srcDir.getAbsolutePath()
                    + " to directory " + destDir.getAbsolutePath(), ex);
        }
    }

    public void compressDirToFile(File sourceDir, File jarFile) {
        try {
            jarHelper.jarDir(sourceDir, jarFile);
        } catch (IOException ex) {
            throw new InfraredToolException(
                    "Failed to archive " + sourceDir.getAbsolutePath() + " to " + jarFile.getAbsolutePath(), ex);
        }
    }

    public void deleteDirectory(File dir) {
        try {
            FileUtils.deleteDirectory(dir);
        } catch (IOException ex) {
            throw new InfraredToolException("Failed to delete directory " + dir, ex);
        }

    }

    public void ensureDirectoryExists(File... dirs) {
        for (File directory : dirs) {
            if (directory.exists()) {
                if (directory.isFile()) {
                    String message = "File " + directory
                            + " exists and is not a directory. Unable to create directory.";
                    throw new InfraredToolException(message);
                }
            } else {
                if (!directory.mkdirs()) {
                    throw new InfraredToolException("Unable to create directory " + directory);
                }
            }
        }
    }

    public boolean containsFile(File jarFile, String entryName) {
        try {
            return jarHelper.containsFile(jarFile, entryName, true);
        } catch (IOException e) {
            throw new InfraredToolException("Error ocured while determining file entry", e);
        }
    }

    public void copyFileToDirectory(File file, File dir) {
        try {
            FileUtils.copyFileToDirectory(file, dir);
        } catch (IOException ex) {
            throw new InfraredToolException("Failed to copy file " + file + "to directory" + dir, ex);
        }

    }

}