package org.buildforce.tomcat.util;
import org.apache.maven.model.FileSet;
import org.apache.maven.model.Resource;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.shared.model.fileset.util.FileSetManager;
import org.codehaus.plexus.util.DirectoryScanner;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
/**
* Copyright 2001-2005 The Apache Software Foundation.
*
* 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.
*/
/**
*
* NOTE: Beware of org.apache.maven.shared.model.fileset.FileSet
* vs. org.apache.maven.model.FileSet
*
* @author Martin Todorov
*/
public class FileSystemUtils
{
/**
* Default includes - everything is included.
*/
private static final String[] DEFAULT_INCLUDES = {"**/**"};
/**
* Copies given resources to the build directory.
*
* @param resources
* @param log
* @throws MojoExecutionException
*/
public static void copyResources(Resource[] resources, Log log)
throws MojoExecutionException
{
final String[] emptyStrArray = {};
for (Resource resource : resources)
{
FileSet fileSet = new FileSet();
fileSet.setDirectory(resource.getDirectory());
for (Object include : resource.getIncludes())
fileSet.addInclude((String) include);
for (Object exclude : resource.getExcludes())
fileSet.addExclude((String) exclude);
File resourceDirectory = new File(fileSet.getDirectory());
if (!resourceDirectory.isAbsolute())
resourceDirectory = new File(resourceDirectory.getPath());
if (!resourceDirectory.exists())
{
log.info("Additional resource directory does not exist: " + resourceDirectory);
continue;
}
DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir(resourceDirectory);
if (fileSet.getIncludes() != null && !fileSet.getIncludes().isEmpty())
//noinspection unchecked
scanner.setIncludes((String[]) fileSet.getIncludes().toArray(emptyStrArray));
else
scanner.setIncludes(DEFAULT_INCLUDES);
if (fileSet.getExcludes() != null && !fileSet.getExcludes().isEmpty())
//noinspection unchecked
scanner.setExcludes((String[]) fileSet.getExcludes().toArray(emptyStrArray));
scanner.addDefaultExcludes();
scanner.scan();
List includedFiles = Arrays.asList(scanner.getIncludedFiles());
log.info("Copying " + includedFiles.size() + " web resource" + (includedFiles.size() > 1 ? "s" : ""));
for (Object includedFile : includedFiles)
{
String destination = (String) includedFile;
File source = new File(resourceDirectory, destination);
File destinationFile = new File(resource.getTargetPath(), destination);
if (!destinationFile.getParentFile().exists())
destinationFile.getParentFile().mkdirs();
try
{
org.codehaus.plexus.util.FileUtils.copyFile(source, destinationFile);
}
catch (IOException e)
{
throw new MojoExecutionException("Error copying web resource " + source, e);
}
}
}
}
/**
* Deletes a directory and its contents.
*
* @param dir The base directory of the included and excluded files.
* @throws MojoExecutionException When a directory failed to get deleted.
*/
public static void removeDirectory(File dir, Log log)
throws MojoExecutionException
{
if (dir != null)
{
org.apache.maven.shared.model.fileset.FileSet fs = new org.apache.maven.shared.model.fileset.FileSet();
fs.setDirectory(dir.getPath());
fs.addInclude("**");
removeFileSet(fs, log);
}
}
/**
* Deletes the specified file set. If the base directory of the file set is relative, it will be resolved against
* the base directory of the current project.
*
* @param fileset The file set to delete, must not be <code>null</code>.
* @throws MojoExecutionException When the file set failed to get deleted.
*/
public static void removeFileSet(org.apache.maven.shared.model.fileset.FileSet fileset, Log log)
throws MojoExecutionException
{
try
{
File dir = new File(fileset.getDirectory()).getAbsoluteFile();
if (!dir.exists())
{
log.debug("Skipping non-existing directory: " + dir);
return;
}
if (!dir.isDirectory())
{
throw new MojoExecutionException(dir + " is not a directory.");
}
log.info("Deleting " + fileset.getDirectory());
FileSetManager fileSetManager = new FileSetManager(log, true);
fileSetManager.delete(fileset);
}
catch (IOException e)
{
throw new MojoExecutionException("Failed to delete directory: " + fileset.getDirectory() + ". Reason: "
+ e.getMessage(), e);
}
catch (IllegalStateException e)
{
// TODO: IOException from plexus-utils should be acceptable here
throw new MojoExecutionException("Failed to delete directory: " + fileset.getDirectory() + ". Reason: "
+ e.getMessage(), e);
}
}
public static org.apache.maven.shared.model.fileset.FileSet createFileSet(File directory, String[] includes, String[] excludes)
{
return createFileSet(directory.getPath(), includes, excludes);
}
public static org.apache.maven.shared.model.fileset.FileSet createFileSet(String directory, String includes, String excludes)
{
String[] inc = includes != null ? includes.split(",") : null;
String[] exc = excludes != null ? excludes.split(",") : null;
return createFileSet(directory, inc, exc);
}
public static org.apache.maven.shared.model.fileset.FileSet createFileSet(String directory, String[] includes, String[] excludes)
{
org.apache.maven.shared.model.fileset.FileSet fileSet = new org.apache.maven.shared.model.fileset.FileSet();
fileSet.setDirectory(directory);
if (includes != null)
{
for (String include : includes)
{
fileSet.addInclude(include);
}
}
if (excludes != null)
{
for (String exclude : excludes)
{
fileSet.addExclude(exclude);
}
}
return fileSet;
}
}