/**
* Take the name of a jar file and extract the plugin.xml file, if possible, to a temporary file.
*
* @param f The jar file to extract from.
* @return a temporary file to which the plugin.xml file has been copied.
*/
public static File unpackPluginXML(File f) {
InputStream in = null;
OutputStream out = null;
try {
JarFile jar = new JarFile(f);
ZipEntry entry = jar.getEntry(PLUGIN_XML_FILE);
if (entry == null) {
return null;
}
File dest = File.createTempFile("jabref_plugin", ".xml");
dest.deleteOnExit();
in = new BufferedInputStream(jar.getInputStream(entry));
out = new BufferedOutputStream(new FileOutputStream(dest));
byte[] buffer = new byte[2048];
for (; ; ) {
int nBytes = in.read(buffer);
if (nBytes <= 0) break;
out.write(buffer, 0, nBytes);
}
out.flush();
return dest;
} catch (IOException ex) {
ex.printStackTrace();
return null;
} finally {
try {
if (out != null) out.close();
if (in != null) in.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
/**
* Copy a plugin to the user plugin directory. Does not check whether the plugin already exists.
*
* @param source The local or remote location to copy the plugin from.
* @return true if the install was successful
*/
public static int copyPlugin(JFrame frame, URL source, String destFileName) {
if (destFileName == null) destFileName = source.getFile();
if (!PluginCore.userPluginDir.exists()) {
boolean created = PluginCore.userPluginDir.mkdirs();
if (!created) {
return UNABLE_TO_CREATE_DIR;
}
}
File destFile = new File(PluginCore.userPluginDir, destFileName);
URLDownload ud = new URLDownload(frame, source, destFile);
try {
ud.download();
return SUCCESS;
} catch (IOException e) {
e.printStackTrace();
return UNABLE_TO_COPY_FILE;
}
}
public static int copyPlugin(JFrame frame, File source, String destFileName) {
if (destFileName == null) destFileName = source.getName();
if (!PluginCore.userPluginDir.exists()) {
boolean created = PluginCore.userPluginDir.mkdirs();
if (!created) {
return UNABLE_TO_CREATE_DIR;
}
}
File destFile = new File(PluginCore.userPluginDir, destFileName);
BufferedInputStream in = null;
BufferedOutputStream out = null;
try {
in = new BufferedInputStream(new FileInputStream(source));
out = new BufferedOutputStream(new FileOutputStream(destFile));
byte[] buf = new byte[1024];
int count;
while ((count = in.read(buf, 0, buf.length)) > 0) {
out.write(buf, 0, count);
}
} catch (IOException ex) {
ex.printStackTrace();
return UNABLE_TO_COPY_FILE;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException ignore) {
// UNABLE_TO_COPY_FILE;
}
}
if (out != null) {
try {
out.close();
} catch (IOException ignore) {
// UNABLE_TO_COPY_FILE;
}
}
}
return SUCCESS;
}