/*
* Copyright 2010-2011 Research In Motion Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package webworks.io;
import java.util.Hashtable;
import java.util.Vector;
import net.rim.device.api.script.Scriptable;
import net.rim.device.api.script.ScriptableFunction;
public class FunctionDownload extends ScriptableFunction {
public static final String NAME = "download";
private ScriptableFunction _successCallback = null;
private ScriptableFunction _errorCallback = null;
private int[] _transports = null;
public FunctionDownload(int[] transports) {
_transports = transports;
}
public Object invoke(Object thiz, Object[] args) throws Exception {
Logger.info("Upload invoked...");
if (args.length == 1) {
long timeout = 30000;
Hashtable headers = null;
Hashtable params = null;
String method = null;
Logger.info("Getting options...");
Scriptable config = (Scriptable) args[0];
Logger.info("Setting core options...");
String url = (String) config.getField("url");
String filePath = (String) config.getField("file");
Object cMethod = config.getField("method");
Object cTimeout = config.getField("timeout");
Logger.info("Getting headers and params...");
Object sHeaders = config.getField("headers");
Object sParams = config.getField("params");
if (!cTimeout.equals(UNDEFINED)) {
timeout = ((Integer) cTimeout).intValue();
}
if (!cMethod.equals(UNDEFINED)) {
method = (String) cMethod;
}
Logger.info("Setting headers and extra params...");
try {
headers = objectToHashtable(sHeaders);
params = objectToHashtable(sParams);
} catch(Throwable e) {
Logger.error("Error setting custom params and headers..." + e.getMessage());
}
_successCallback = (ScriptableFunction) config.getField("success");
_errorCallback = (ScriptableFunction) config.getField("error");
Logger.info("Beginning download...");
new DownloadRunnable(url, method, params, filePath, timeout, headers, _transports, _successCallback, _errorCallback);
}
return UNDEFINED;
}
private Hashtable objectToHashtable(Object obj) throws Exception
{
Hashtable ht = null;
if (!obj.equals(UNDEFINED) && obj != null) {
Scriptable s = (Scriptable) obj;
Vector v = new Vector();
s.enumerateFields(v);
int count = v.size();
Logger.log("Object Keys: " + String.valueOf(v.size()));
if (count > 0) {
ht = new Hashtable();
String fieldName;
for (int i=0; i<count; i++) {
fieldName = (String) v.elementAt(i);
ht.put(fieldName, s.getField(fieldName));
}
}
}
return ht;
}
}