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/*
* Copyright 2008 Netflix, Inc.
*
* 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 net.oauth.client;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import net.oauth.OAuth;
import net.oauth.http.HttpMessage;
import net.oauth.http.HttpResponseMessage;
/**
* The response part of a URLConnection, encapsulated as an OAuthMessage.
*
* @author John Kristian
* @hide
*/
public class URLConnectionResponse extends HttpResponseMessage {
/**
* Construct an OAuthMessage from the HTTP response, including parameters
* from OAuth WWW-Authenticate headers and the body. The header parameters
* come first, followed by the ones from the response body.
*/
public URLConnectionResponse(HttpMessage request, String requestHeaders,
byte[] requestExcerpt, URLConnection connection) throws IOException {
super(request.method, request.url);
this.requestHeaders = requestHeaders;
this.requestExcerpt = requestExcerpt;
this.requestEncoding = request.getContentCharset();
this.connection = connection;
this.headers.addAll(getHeaders());
}
private final String requestHeaders;
private final byte[] requestExcerpt;
private final String requestEncoding;
private final URLConnection connection;
@Override
public int getStatusCode() throws IOException {
if (connection instanceof HttpURLConnection) {
return ((HttpURLConnection) connection).getResponseCode();
}
return STATUS_OK;
}
@Override
public InputStream openBody() {
try {
return connection.getInputStream();
} catch (IOException ohWell) {
}
return null;
}
private List<Map.Entry<String, String>> getHeaders() {
List<Map.Entry<String, String>> headers = new ArrayList<Map.Entry<String, String>>();
boolean foundContentType = false;
String value;
for (int i = 0; (value = connection.getHeaderField(i)) != null; ++i) {
String name = connection.getHeaderFieldKey(i);
if (name != null) {
headers.add(new OAuth.Parameter(name, value));
if (CONTENT_TYPE.equalsIgnoreCase(name)) {
foundContentType = true;
}
}
}
if (!foundContentType) {
headers.add(new OAuth.Parameter(CONTENT_TYPE, connection
.getContentType()));
}
return headers;
}
/** Return a complete description of the HTTP exchange. */
@Override
public void dump(Map<String, Object> into) throws IOException {
super.dump(into);
{
StringBuilder request = new StringBuilder(requestHeaders);
request.append(EOL);
if (requestExcerpt != null) {
request.append(new String(requestExcerpt, requestEncoding));
}
into.put(REQUEST, request.toString());
}
{
HttpURLConnection http = (connection instanceof HttpURLConnection) ? (HttpURLConnection) connection
: null;
StringBuilder response = new StringBuilder();
String value;
for (int i = 0; (value = connection.getHeaderField(i)) != null; ++i) {
String name = connection.getHeaderFieldKey(i);
if (i == 0 && name != null && http != null) {
String firstLine = "HTTP " + getStatusCode();
String message = http.getResponseMessage();
if (message != null) {
firstLine += (" " + message);
}
response.append(firstLine).append(EOL);
}
if (name != null) {
response.append(name).append(": ");
name = name.toLowerCase();
}
response.append(value).append(EOL);
}
response.append(EOL);
if (body != null) {
response.append(new String(((ExcerptInputStream) body)
.getExcerpt(), getContentCharset()));
}
into.put(HttpMessage.RESPONSE, response.toString());
}
}
}
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