/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.thrift.transport;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.Hashtable;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
/**
* HTTP implementation of the TTransport interface. Used for working with a
* Thrift web services implementation.
*
*/
public class THttpClient extends TTransport {
private String url_ = null;
private final ByteArrayOutputStream requestBuffer_ = new ByteArrayOutputStream();
private InputStream inputStream_ = null;
private int connectTimeout_ = 0;
private int readTimeout_ = 0;
private Hashtable customHeaders_ = null;
public THttpClient(String url) throws TTransportException {
url_ = url;
}
public void setConnectTimeout(int timeout) {
connectTimeout_ = timeout;
}
public void setReadTimeout(int timeout) {
readTimeout_ = timeout;
}
public void setCustomHeaders(Hashtable headers) {
customHeaders_ = headers;
}
public void setCustomHeader(String key, String value) {
if (customHeaders_ == null) {
customHeaders_ = new Hashtable();
}
customHeaders_.put(key, value);
}
public void open() {}
public void close() {
if (null != inputStream_) {
try {
inputStream_.close();
} catch (IOException ioe) {
}
inputStream_ = null;
}
}
public boolean isOpen() {
return true;
}
public int read(byte[] buf, int off, int len) throws TTransportException {
if (inputStream_ == null) {
throw new TTransportException("Response buffer is empty, no request.");
}
try {
int ret = inputStream_.read(buf, off, len);
if (ret == -1) {
throw new TTransportException("No more data available.");
}
return ret;
} catch (IOException iox) {
throw new TTransportException(iox);
}
}
public void write(byte[] buf, int off, int len) {
requestBuffer_.write(buf, off, len);
}
public void flush() throws TTransportException {
// Extract request and reset buffer
byte[] data = requestBuffer_.toByteArray();
requestBuffer_.reset();
try {
// Create connection object
HttpConnection connection = (HttpConnection)Connector.open(url_);
// Timeouts, only if explicitly set
if (connectTimeout_ > 0) {
// XXX: not available
// connection.setConnectTimeout(connectTimeout_);
}
if (readTimeout_ > 0) {
// XXX: not available
// connection.setReadTimeout(readTimeout_);
}
// Make the request
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/x-thrift");
connection.setRequestProperty("Accept", "application/x-thrift");
connection.setRequestProperty("User-Agent", "JavaME/THttpClient");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("Keep-Alive", "5000");
connection.setRequestProperty("Http-version", "HTTP/1.1");
connection.setRequestProperty("Cache-Control", "no-transform");
if (customHeaders_ != null) {
for (Enumeration e = customHeaders_.keys() ; e.hasMoreElements() ;) {
String key = (String)e.nextElement();
String value = (String)customHeaders_.get(key);
connection.setRequestProperty(key, value);
}
}
// connection.setDoOutput(true);
// connection.connect();
OutputStream os = connection.openOutputStream();
os.write(data);
os.close();
int responseCode = connection.getResponseCode();
if (responseCode != HttpConnection.HTTP_OK) {
throw new TTransportException("HTTP Response code: " + responseCode);
}
// Read the responses
inputStream_ = connection.openInputStream();
} catch (IOException iox) {
System.out.println(iox.toString());
throw new TTransportException(iox);
}
}
}