package net_alchim31_maven_yuicompressor;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.IOUtil;
public class Aggregation {
public File inputDir;
public File output;
public String[] includes;
public String[] excludes;
public boolean removeIncluded = false;
public boolean insertNewLine = false;
public void run() throws Exception {
defineInputDir();
List<File> files = getIncludedFiles();
if (files.size() != 0) {
output = output.getCanonicalFile();
output.getParentFile().mkdirs();
FileOutputStream out = new FileOutputStream(output);
try {
for (File file : files) {
if (file.getCanonicalPath().equals(output.getCanonicalPath())) {
continue;
}
FileInputStream in = new FileInputStream(file);
try {
IOUtil.copy(in, out);
if (insertNewLine) {
out.write('\n');
}
} finally {
IOUtil.close(in);
in = null;
}
if (removeIncluded) {
file.delete();
}
}
} finally {
IOUtil.close(out);
out = null;
}
}
}
private void defineInputDir() throws Exception {
if (inputDir == null) {
inputDir = output.getParentFile();
}
inputDir = inputDir.getCanonicalFile();
}
private List<File> getIncludedFiles() throws Exception {
ArrayList<File> back = new ArrayList<File>();
if (includes != null) {
for (String include : includes) {
addInto(include, back);
}
}
return back;
}
private void addInto(String include, List<File> includedFiles) throws Exception {
if (include.indexOf('*') > -1) {
DirectoryScanner scanner = newScanner();
scanner.setIncludes(new String[] { include });
scanner.scan();
String[] rpaths = scanner.getIncludedFiles();
Arrays.sort(rpaths);
for (String rpath : rpaths) {
File file = new File(scanner.getBasedir(), rpath);
if (!includedFiles.contains(file)) {
includedFiles.add(file);
}
}
} else {
File file = new File(include);
if (!file.isAbsolute()) {
file = new File(inputDir, include);
}
if (!includedFiles.contains(file)) {
includedFiles.add(file);
}
}
}
private DirectoryScanner newScanner() throws Exception {
DirectoryScanner scanner = new DirectoryScanner();
scanner.setBasedir(inputDir);
if ((excludes != null) && (excludes.length != 0)) {
scanner.setExcludes(excludes);
}
scanner.addDefaultExcludes();
return scanner;
}
}