/** Adds byte content into the zip as a file. */
public static void addToZip(ZipOutputStream zos, byte[] content, String path, String comment)
throws IOException {
while (path.length() != 0 && path.charAt(0) == '/') {
path = path.substring(1);
}
if (StringUtil.endsWithChar(path, '/')) {
path = path.substring(0, path.length() - 1);
}
ZipEntry zipEntry = new ZipEntry(path);
zipEntry.setTime(System.currentTimeMillis());
if (comment != null) {
zipEntry.setComment(comment);
}
zos.putNextEntry(zipEntry);
InputStream is = new ByteArrayInputStream(content);
try {
StreamUtil.copy(is, zos);
} finally {
StreamUtil.close(is);
}
zos.closeEntry();
}
public static void addFolderToZip(ZipOutputStream zos, String path, String comment)
throws IOException {
while (path.length() != 0 && path.charAt(0) == '/') {
path = path.substring(1);
}
// add folder record
if (!StringUtil.endsWithChar(path, '/')) {
path += '/';
}
ZipEntry zipEntry = new ZipEntry(path);
zipEntry.setTime(System.currentTimeMillis());
if (comment != null) {
zipEntry.setComment(comment);
}
zipEntry.setSize(0);
zipEntry.setCrc(0);
zos.putNextEntry(zipEntry);
zos.closeEntry();
}
/**
* Adds single entry to ZIP output stream.
*
* @param zos zip output stream
* @param file file or folder to add
* @param path relative path of file entry; if <code>null</code> files name will be used instead
* @param comment optional comment
* @param recursive when set to <code>true</code> content of added folders will be added, too
*/
public static void addToZip(
ZipOutputStream zos, File file, String path, String comment, boolean recursive)
throws IOException {
if (file.exists() == false) {
throw new FileNotFoundException(file.toString());
}
if (path == null) {
path = file.getName();
}
while (path.length() != 0 && path.charAt(0) == '/') {
path = path.substring(1);
}
boolean isDir = file.isDirectory();
if (isDir) {
// add folder record
if (!StringUtil.endsWithChar(path, '/')) {
path += '/';
}
}
ZipEntry zipEntry = new ZipEntry(path);
zipEntry.setTime(file.lastModified());
if (comment != null) {
zipEntry.setComment(comment);
}
if (isDir) {
zipEntry.setSize(0);
zipEntry.setCrc(0);
}
zos.putNextEntry(zipEntry);
if (!isDir) {
InputStream is = new FileInputStream(file);
try {
StreamUtil.copy(is, zos);
} finally {
StreamUtil.close(is);
}
}
zos.closeEntry();
// continue adding
if (recursive && file.isDirectory()) {
boolean noRelativePath = StringUtil.isEmpty(path);
final File[] children = file.listFiles();
if (children != null && children.length != 0) {
for (File child : children) {
String childRelativePath = (noRelativePath ? StringPool.EMPTY : path) + child.getName();
addToZip(zos, child, childRelativePath, comment, recursive);
}
}
}
}
