package com.theoryinpractise.coffeescript;
import com.google.common.collect.Lists;
import org.apache.commons.io.filefilter.SuffixFileFilter;
import org.apache.maven.model.FileSet;
import org.codehaus.plexus.util.FileUtils;
import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
/**
* Copyright 2011 Mark Derricutt.
*
* Contributing authors:
* Daniel Bower
*
* 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.
*
* Utilities for working with Files and FileSets
*
*/
public class FileUtilities {
@SuppressWarnings("unchecked")
public static List<File> getFilesFromFileSet(FileSet fileSet) throws IOException {
List<File> files = Lists.newArrayList();
try {
File directory = new File(fileSet.getDirectory());
String includes = getCommaSeparatedList(fileSet.getIncludes());
String excludes = getCommaSeparatedList(fileSet.getExcludes());
files = FileUtils.getFiles(directory, includes, excludes);
} catch (IOException e) {
throw new IOException("Unable to access files in fileSet", e);
}
return files;
}
/**
* Turn a list of Strings into a concatenated string of filenames
*/
public static String getCommaSeparatedList(List<String> list) {
StringBuffer sb = new StringBuffer();
for (Iterator<String> i = list.iterator(); i.hasNext(); ){
sb.append(i.next());
if (i.hasNext()) {
sb.append(",");
}
}
return sb.toString();
}
/**
* Turn a list of files into a comma separated list of filenames
*/
public static String getCommaSeparatedListOfFileNames(List<File> fileList){
StringBuffer sb = new StringBuffer();
for(Iterator<File> i = fileList.iterator(); i.hasNext(); ){
sb.append(i.next().getAbsolutePath());
if(i.hasNext()){
sb.append(",");
}
}
return sb.toString();
}
/**
* Convenience Method for turn a string path containing .js files into a list of files to be processed
* @param sourceDirectory
*/
public static List<File> directoryToFileList(String sourceDirectory){
List<File> files = Lists.newArrayList();
File srcDir = new File(sourceDirectory);
if(srcDir.exists() && srcDir.isDirectory()){
File[] filesInSrcDir = srcDir.listFiles((FileFilter) new SuffixFileFilter(".js"));
for(File file : filesInSrcDir){
files.add(file);
}
}
return files;
}
/**
* Convenience Method for turning a string path for a single file into a list of files to be processed
* @param sourceFile
*/
public static List<File> fileToFileList(String sourceFile){
List<File> files = Lists.newArrayList();
File srcFile = new File(sourceFile);
if(srcFile.exists() && srcFile.isFile()){
files.add(srcFile);
}
return files;
}
/**
* Convenience Method for turning a FileSet into a list of files to be processed
*/
public static List<File> fileSetToFileList(FileSet fileset) throws IOException{
List<File> files = Lists.newArrayList();
files.addAll(FileUtilities.getFilesFromFileSet(fileset));
return files;
}
}