/** Detaches the debugger from the current ContextFactory. */
public void detach() {
if (listener != null) {
contextFactory.removeListener(listener);
contextFactory = null;
listener = null;
}
}
/**
* Tries to uncompress the JavaScript code in the provided response.
*
* @param response the response to uncompress
* @return a new response with uncompressed JavaScript code or the original response in case of
* failure
*/
protected WebResponse uncompressJavaScript(final WebResponse response) {
final WebRequest request = response.getWebRequest();
final String scriptName = request.getUrl().toString();
final String scriptSource = response.getContentAsString();
// skip if it is already formatted? => TODO
final ContextFactory factory = new ContextFactory();
final ContextAction action =
new ContextAction() {
public Object run(final Context cx) {
cx.setOptimizationLevel(-1);
final Script script = cx.compileString(scriptSource, scriptName, 0, null);
return cx.decompileScript(script, 4);
}
};
try {
final String decompileScript = (String) factory.call(action);
final List<NameValuePair> responseHeaders =
new ArrayList<NameValuePair>(response.getResponseHeaders());
for (int i = responseHeaders.size() - 1; i >= 0; i--) {
if ("content-encoding".equalsIgnoreCase(responseHeaders.get(i).getName())) {
responseHeaders.remove(i);
}
}
final WebResponseData wrd =
new WebResponseData(
decompileScript.getBytes(),
response.getStatusCode(),
response.getStatusMessage(),
responseHeaders);
return new WebResponse(
wrd,
response.getWebRequest().getUrl(),
response.getWebRequest().getHttpMethod(),
response.getLoadTime());
} catch (final Exception e) {
LOG.warn("Failed to decompress JavaScript response. Delivering as it.", e);
}
return response;
}
/** Attaches the debugger to the given ContextFactory. */
public void attachTo(ContextFactory factory) {
detach();
this.contextFactory = factory;
this.listener = new DimIProxy(this, IPROXY_LISTEN);
factory.addListener(this.listener);
}