private Strings loadFile(String encoding, File sourceFile) throws PreprocessorException {
Strings lines = new Strings();
try {
if (encoding != null && encoding.length() > 0) lines.loadFromFile(sourceFile, encoding);
else lines.loadFromFile(sourceFile);
} catch (java.io.UnsupportedEncodingException e) {
throw new PreprocessorException("Unknown encoding \"" + encoding + "\"", sourceFile, e);
} catch (java.io.IOException e) {
throw new PreprocessorException("File read error", sourceFile, e);
}
return lines;
}
// this method allow using a different filter to handle the lines.
public void preprocess(
IPreprocessor pp, File sourceDir, int mode, String newext, String encoding, Utility utility)
throws PreprocessorException, IOException {
pp.setMode(mode);
String[] files = getDirectoryScanner(sourceDir).getIncludedFiles();
log("Preprocessing " + files.length + " file(s) at " + sourceDir);
String filename = ""; // For exception handling
try {
for (int i = 0; i < files.length; i++) {
filename = files[i];
String sourceFile = "" + sourceDir + File.separatorChar + filename;
Strings lines = loadFile(encoding, new File(sourceFile));
pp.setFile(new File(sourceFile));
boolean modified = pp.preprocess(lines, encoding);
// if preprocessing modifies the file, or
// we are putting the output in a different directory
// or we are changing the file extension
// then we have to write a new file
if (modified || !sourceDir.equals(targetDir) || (newext != null)) {
try {
if ((mode & IPreprocessor.MODE_VERBOSE) != 0) {
System.out.println(filename + " ... modified");
}
if ((mode & IPreprocessor.MODE_TEST) == 0) {
String targetFile;
if (newext != null) {
int dot = filename.indexOf('.');
if (dot != -1) {
filename = filename.substring(0, dot) + newext;
} else {
filename = filename + newext;
}
}
targetFile = "" + targetDir + File.separatorChar + filename;
File file = new File(targetFile + "~");
file.delete();
if (!new File(targetFile).renameTo(file) && (targetDir == null)) {
throw new java.io.IOException();
}
new File(targetFile).getParentFile().mkdirs();
if (encoding != null && encoding.length() > 0) {
lines.saveToFile(targetFile, encoding);
} else {
lines.saveToFile(targetFile);
}
if ((mode & IPreprocessor.MODE_BACKUP) == 0) {
file.delete(); // ??????
}
}
} catch (java.io.UnsupportedEncodingException uee) {
throw new PreprocessorException("Unknown encoding \"" + encoding, new File(files[i]));
} catch (java.io.IOException e) {
throw new PreprocessorException("File write error", new File(files[i]));
}
} else {
if ((mode & IPreprocessor.MODE_VERBOSE) != 0) {
System.out.println(filename + " ... not modified");
}
}
}
} catch (IOException e) {
if ((mode & IPreprocessor.MODE_VERBOSE) == 0) {
System.out.println(filename + " ... not modified, " + e.getMessage());
}
throw e;
} catch (PreprocessorException error) {
if ((mode & IPreprocessor.MODE_VERBOSE) == 0) {
System.out.println(filename + " ... not modified, " + error.getMessage());
}
throw error;
}
}
package antenna.preprocessor.v3;