package com.koushikdutta.async.http;
import com.koushikdutta.async.ByteBufferList;
import com.koushikdutta.async.DataEmitter;
import com.koushikdutta.async.DataSink;
import com.koushikdutta.async.Util;
import com.koushikdutta.async.callback.CompletedCallback;
import com.koushikdutta.async.callback.DataCallback;
import org.apache.http.NameValuePair;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;
public class UrlEncodedFormBody implements AsyncHttpRequestBody<Multimap> {
private Multimap mParameters;
private byte[] mBodyBytes;
public UrlEncodedFormBody(Multimap parameters) {
mParameters = parameters;
}
public UrlEncodedFormBody(List<NameValuePair> parameters) {
mParameters = new Multimap(parameters);
}
private void buildData() {
boolean first = true;
StringBuilder b = new StringBuilder();
try {
for (NameValuePair pair: mParameters) {
if (!first)
b.append('&');
first = false;
b.append(URLEncoder.encode(pair.getName(), "UTF-8"));
b.append('=');
b.append(URLEncoder.encode(pair.getValue(), "UTF-8"));
}
mBodyBytes = b.toString().getBytes("ISO-8859-1");
}
catch (UnsupportedEncodingException e) {
}
}
@Override
public void write(AsyncHttpRequest request, final DataSink response, final CompletedCallback completed) {
if (mBodyBytes == null)
buildData();
Util.writeAll(response, mBodyBytes, completed);
}
public static final String CONTENT_TYPE = "application/x-www-form-urlencoded";
@Override
public String getContentType() {
return CONTENT_TYPE;
}
@Override
public void parse(DataEmitter emitter, final CompletedCallback completed) {
final ByteBufferList data = new ByteBufferList();
emitter.setDataCallback(new DataCallback() {
@Override
public void onDataAvailable(DataEmitter emitter, ByteBufferList bb) {
bb.get(data);
}
});
emitter.setEndCallback(new CompletedCallback() {
@Override
public void onCompleted(Exception ex) {
if (ex != null) {
completed.onCompleted(ex);
return;
}
try {
mParameters = Multimap.parseQuery(data.readString());
completed.onCompleted(null);
}
catch (Exception e) {
completed.onCompleted(e);
}
}
});
}
public UrlEncodedFormBody() {
}
@Override
public boolean readFullyOnRequest() {
return true;
}
@Override
public int length() {
if (mBodyBytes == null)
buildData();
return mBodyBytes.length;
}
@Override
public Multimap get() {
return mParameters;
}
}