summaryrefslogtreecommitdiff
path: root/lib/java/src/org/apache/thrift/transport/THttpClient.java
diff options
context:
space:
mode:
Diffstat (limited to 'lib/java/src/org/apache/thrift/transport/THttpClient.java')
-rw-r--r--lib/java/src/org/apache/thrift/transport/THttpClient.java157
1 files changed, 157 insertions, 0 deletions
diff --git a/lib/java/src/org/apache/thrift/transport/THttpClient.java b/lib/java/src/org/apache/thrift/transport/THttpClient.java
new file mode 100644
index 000000000..419235310
--- /dev/null
+++ b/lib/java/src/org/apache/thrift/transport/THttpClient.java
@@ -0,0 +1,157 @@
+/*
+ * 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.InputStream;
+import java.io.IOException;
+
+import java.net.URL;
+import java.net.HttpURLConnection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * HTTP implementation of the TTransport interface. Used for working with a
+ * Thrift web services implementation.
+ *
+ */
+public class THttpClient extends TTransport {
+
+ private URL url_ = null;
+
+ private final ByteArrayOutputStream requestBuffer_ =
+ new ByteArrayOutputStream();
+
+ private InputStream inputStream_ = null;
+
+ private int connectTimeout_ = 0;
+
+ private int readTimeout_ = 0;
+
+ private Map<String,String> customHeaders_ = null;
+
+ public THttpClient(String url) throws TTransportException {
+ try {
+ url_ = new URL(url);
+ } catch (IOException iox) {
+ throw new TTransportException(iox);
+ }
+ }
+
+ public void setConnectTimeout(int timeout) {
+ connectTimeout_ = timeout;
+ }
+
+ public void setReadTimeout(int timeout) {
+ readTimeout_ = timeout;
+ }
+
+ public void setCustomHeaders(Map<String,String> headers) {
+ customHeaders_ = headers;
+ }
+
+ public void setCustomHeader(String key, String value) {
+ if (customHeaders_ == null) {
+ customHeaders_ = new HashMap<String, String>();
+ }
+ 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
+ HttpURLConnection connection = (HttpURLConnection)url_.openConnection();
+
+ // Timeouts, only if explicitly set
+ if (connectTimeout_ > 0) {
+ connection.setConnectTimeout(connectTimeout_);
+ }
+ if (readTimeout_ > 0) {
+ 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", "Java/THttpClient");
+ if (customHeaders_ != null) {
+ for (Map.Entry<String, String> header : customHeaders_.entrySet()) {
+ connection.setRequestProperty(header.getKey(), header.getValue());
+ }
+ }
+ connection.setDoOutput(true);
+ connection.connect();
+ connection.getOutputStream().write(data);
+
+ int responseCode = connection.getResponseCode();
+ if (responseCode != HttpURLConnection.HTTP_OK) {
+ throw new TTransportException("HTTP Response code: " + responseCode);
+ }
+
+ // Read the responses
+ inputStream_ = connection.getInputStream();
+
+ } catch (IOException iox) {
+ throw new TTransportException(iox);
+ }
+ }
+}