@Nullable
static IdeaPluginDescriptorImpl loadDescriptorFromJar(File file, @NonNls String fileName) {
try {
URI fileURL = file.toURI();
URL jarURL =
new URL(
"jar:"
+ StringUtil.replace(fileURL.toASCIIString(), "!", "%21")
+ "!/META-INF/"
+ fileName);
IdeaPluginDescriptorImpl descriptor = new IdeaPluginDescriptorImpl(file);
FileInputStream in = new FileInputStream(file);
ZipInputStream zipStream = new ZipInputStream(in);
try {
ZipEntry entry = zipStream.getNextEntry();
if (entry.getName().equals(JarMemoryLoader.SIZE_ENTRY)) {
entry = zipStream.getNextEntry();
if (entry.getName().equals("META-INF/" + fileName)) {
byte[] content = FileUtil.loadBytes(zipStream, (int) entry.getSize());
Document document = JDOMUtil.loadDocument(new ByteArrayInputStream(content));
descriptor.readExternal(document, jarURL);
return descriptor;
}
}
} finally {
zipStream.close();
in.close();
}
descriptor.readExternal(jarURL);
return descriptor;
} catch (XmlSerializationException e) {
getLogger().info("Cannot load " + file, e);
prepareLoadingPluginsErrorMessage(
"Plugin file " + file.getName() + " contains invalid plugin descriptor file.");
} catch (FileNotFoundException e) {
return null;
} catch (Exception e) {
getLogger().info("Cannot load " + file, e);
} catch (Throwable e) {
getLogger().info("Cannot load " + file, e);
}
return null;
}
