How to use

FileResource

in

aQute.bnd.osgi

private Resource createPomFromFile(File file) throws Exception {
  if (!file.isFile())
    return null;
  return new FileResource(file);
}

/**
 * Turn a resource into a file so that anything in the conversion is properly caught
 * @param r
 * @throws Exception
 */
public FileResource(Resource r) throws Exception {
  this.file = File.createTempFile("fileresource", ".resource");
  deleteOnClose(true);
  this.file.deleteOnExit();
  IO.copy(r.openInputStream(), this.file);
}

public Jar(String name, File dirOrFile, Pattern doNotCopy) throws ZipException, IOException {
  this(name);
  source = dirOrFile;
  if (dirOrFile.isDirectory())
    FileResource.build(this, dirOrFile, doNotCopy);
  else if (dirOrFile.isFile()) {
    zipFile = ZipResource.build(this, dirOrFile);
  } else {
    throw new IllegalArgumentException("A Jar can only accept a valid file or directory: " + dirOrFile);
  }
}

static void traverse(Jar jar, int rootlength, File directory, Pattern doNotCopy) {
  if (doNotCopy != null && doNotCopy.matcher(directory.getName()).matches())
    return;
  jar.updateModified(directory.lastModified(), "Dir change");
  File files[] = directory.listFiles();
  for (int i = 0; i < files.length; i++) {
    if (files[i].isDirectory())
      traverse(jar, rootlength, files[i], doNotCopy);
    else {
      String path = files[i].getAbsolutePath().substring(rootlength + 1);
      if (File.separatorChar != '/')
        path = path.replace(File.separatorChar, '/');
      jar.putResource(path, new FileResource(files[i]), true);
    }
  }
}

public void write(OutputStream out) throws Exception {
  FileResource.copy(this, out);
}

public static void build(Jar jar, File directory, Pattern doNotCopy) {
  traverse(jar, directory.getAbsolutePath().length(), directory, doNotCopy);
}

@Override
public void write(OutputStream out) throws Exception {
  if (buffer != null) {
    IO.copy(buffer(), out);
  } else {
    IO.copy(file, out);
  }
}

@SuppressWarnings("resource")
public static Jar fromResource(String name, Resource resource) throws Exception {
  if (resource instanceof JarResource) {
    return ((JarResource) resource).getJar();
  } else if (resource instanceof FileResource) {
    return new Jar(name, ((FileResource) resource).getFile());
  }
  return new Jar(name).buildFromResource(resource);
}

static void traverse(Jar jar, int rootlength, File directory, Pattern doNotCopy) {
  if (doNotCopy != null && doNotCopy.matcher(directory.getName()).matches())
    return;
  jar.updateModified(directory.lastModified(), "Dir change " + directory);
  File files[] = directory.listFiles();
  for (int i = 0; i < files.length; i++) {
    if (files[i].isDirectory())
      traverse(jar, rootlength, files[i], doNotCopy);
    else {
      String path = files[i].getAbsolutePath().substring(rootlength + 1);
      if (File.separatorChar != '/')
        path = path.replace(File.separatorChar, '/');
      jar.putResource(path, new FileResource(files[i]), true);
    }
  }
}

public void write(OutputStream out) throws Exception {
  copy(this, out);
}

public static void build(Jar jar, File directory, Pattern doNotCopy) {
  traverse(jar, directory.getAbsolutePath().length(), directory, doNotCopy);
}

@Override
public InputStream openInputStream() throws Exception {
  if (buffer != null) {
    return IO.stream(buffer());
  } else {
    return IO.stream(file);
  }
}

@SuppressWarnings("resource")
public static Jar fromResource(String name, Resource resource) throws Exception {
  if (resource instanceof JarResource) {
    return ((JarResource) resource).getJar();
  } else if (resource instanceof FileResource) {
    return new Jar(name, ((FileResource) resource).getFile());
  }
  return new Jar(name).buildFromResource(resource);
}

private Resource createPomFromFile(File file) throws Exception {
  if (!file.isFile())
    return null;
  return new FileResource(file);
}

static void traverse(Jar jar, int rootlength, File directory, Pattern doNotCopy) {
  if (doNotCopy != null && doNotCopy.matcher(directory.getName()).matches())
    return;
  jar.updateModified(directory.lastModified(), "Dir change " + directory);
  File files[] = directory.listFiles();
  for (int i = 0; i < files.length; i++) {
    if (files[i].isDirectory())
      traverse(jar, rootlength, files[i], doNotCopy);
    else {
      String path = files[i].getAbsolutePath().substring(rootlength + 1);
      if (File.separatorChar != '/')
        path = path.replace(File.separatorChar, '/');
      jar.putResource(path, new FileResource(files[i]), true);
    }
  }
}

/**
 * Turn a resource into a file so that anything in the conversion is properly caught
 * @param r
 * @throws Exception
 */
public FileResource(Resource r) throws Exception {
  this.file = File.createTempFile("fileresource", ".resource");
  deleteOnClose(true);
  this.file.deleteOnExit();
  IO.copy(r.openInputStream(), this.file);
}

public void write(OutputStream out) throws Exception {
  copy(this, out);
}

public Jar(String name, File dirOrFile, Pattern doNotCopy) throws ZipException, IOException {
  this(name);
  source = dirOrFile;
  if (dirOrFile.isDirectory())
    FileResource.build(this, dirOrFile, doNotCopy);
  else if (dirOrFile.isFile()) {
    zipFile = ZipResource.build(this, dirOrFile);
  } else {
    throw new IllegalArgumentException("A Jar can only accept a valid file or directory: " + dirOrFile);
  }
}

public static void build(Jar jar, File directory, Pattern doNotCopy) {
  traverse(jar, directory.getAbsolutePath().length(), directory, doNotCopy);
}

@Override
public void write(OutputStream out) throws Exception {
  if (buffer != null) {
    IO.copy(buffer(), out);
  } else {
    IO.copy(file, out);
  }
}