/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.resource.adapter.salesforce.transport;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.cxf.transports.http.configuration.HTTPClientPolicy;
import com.sforce.ws.ConnectorConfig;
import com.sforce.ws.tools.VersionInfo;
import com.sforce.ws.transport.LimitingInputStream;
import com.sforce.ws.transport.LimitingOutputStream;
import com.sforce.ws.transport.Transport;
import com.sforce.ws.util.Base64;
import com.sforce.ws.util.FileUtil;
@SuppressWarnings("nls")
public class SalesforceCXFTransport implements Transport {
private ByteArrayOutputStream payload = new ByteArrayOutputStream();
private boolean successful;
private SalesforceConnectorConfig config;
private WebClient client;
public void setConfig(ConnectorConfig config) {
this.config = (SalesforceConnectorConfig)config;
}
@Override
public OutputStream connect(String uri, String soapAction) throws IOException {
if (soapAction == null) {
soapAction = "";
}
HashMap<String, String> header = new HashMap<String, String>();
header.put("SOAPAction", "\"" + soapAction + "\"");
header.put("Content-Type", "text/xml; charset=UTF-8");
header.put("Accept", "text/xml");
return connectLocal(uri, header);
}
private OutputStream connectLocal(String uri, HashMap<String, String> httpHeaders) throws IOException {
return connectLocal(uri, httpHeaders, true);
}
private OutputStream connectLocal(String uri, HashMap<String, String> httpHeaders, boolean enableCompression)
throws IOException {
return wrapOutput(connectRaw(uri, httpHeaders, enableCompression), enableCompression);
}
private OutputStream wrapOutput(OutputStream output, boolean enableCompression) throws IOException {
if (config.getMaxRequestSize() > 0) {
output = new LimitingOutputStream(config.getMaxRequestSize(), output);
}
// when we are writing a zip file we don't bother with compression
if (enableCompression && config.isCompression()) {
output = new GZIPOutputStream(output);
}
if (config.isTraceMessage()) {
output = config.teeOutputStream(output);
}
return output;
}
private OutputStream connectRaw(String uri, HashMap<String, String> httpHeaders, boolean enableCompression) {
if (config.isTraceMessage()) {
config.getTraceStream().println( "WSC: Creating a new connection to " + uri + " Proxy = " +
config.getProxy() + " username " + config.getProxyUsername());
}
if (this.config.getCxfConfigFile() == null) {
this.client = WebClient.create(uri);
}
else {
this.client = WebClient.create(uri, this.config.getCxfConfigFile());
}
this.client.header("User-Agent", VersionInfo.info());
/*
* Add all the client specific headers here
*/
if (config.getHeaders() != null) {
for (Entry<String, String> ent : config.getHeaders().entrySet()) {
this.client.header(ent.getKey(), ent.getValue());
}
}
if (enableCompression && config.isCompression()) {
this.client.header("Content-Encoding", "gzip");
this.client.header("Accept-Encoding", "gzip");
}
if (config.getProxyUsername() != null) {
String token = config.getProxyUsername() + ":" + config.getProxyPassword();
String auth = "Basic " + new String(Base64.encode(token.getBytes()));
this.client.header("Proxy-Authorization", auth);
this.client.header("Https-Proxy-Authorization", auth);
}
if (httpHeaders != null) {
for (Map.Entry<String, String> entry : httpHeaders.entrySet()) {
this.client.header(entry.getKey(), entry.getValue());
}
}
HTTPClientPolicy clientPolicy = WebClient.getConfig(this.client).getHttpConduit().getClient();
if (config.getReadTimeout() != 0) {
clientPolicy.setReceiveTimeout(config.getReadTimeout());
}
if (config.getConnectionTimeout() != 0) {
clientPolicy.setConnectionTimeout(config.getConnectionTimeout());
}
if (config.useChunkedPost()) {
clientPolicy.setAllowChunking(true);
clientPolicy.setChunkLength(4096);
}
if (config.getProxy() != Proxy.NO_PROXY) {
InetSocketAddress addr = (InetSocketAddress)config.getProxy().address();
clientPolicy.setProxyServer(addr.getHostName());
clientPolicy.setProxyServerPort(addr.getPort());
}
return this.payload;
}
@Override
public InputStream getContent() throws IOException {
javax.ws.rs.core.Response response = client.post(new ByteArrayInputStream(this.payload.toByteArray()));
successful = true;
InputStream in = (InputStream)response.getEntity();
if (response.getStatus() != 200) {
successful = false;
}
if (!successful) {
return in;
}
String encoding = response.getHeaderString("Content-Encoding");
if (config.getMaxResponseSize() > 0) {
in = new LimitingInputStream(config.getMaxResponseSize(), in);
}
if ("gzip".equals(encoding)) {
in = new GZIPInputStream(in);
}
if (config.hasMessageHandlers() || config.isTraceMessage()) {
byte[] bytes = FileUtil.toBytes(in);
in = new ByteArrayInputStream(bytes);
if (config.isTraceMessage()) {
MultivaluedMap<String, Object> headers = response.getHeaders();
for (Map.Entry<String, List<Object>> header : headers.entrySet()) {
config.getTraceStream().print(header.getKey());
config.getTraceStream().print("=");
config.getTraceStream().println(header.getValue());
}
config.teeInputStream(bytes);
}
}
return in;
}
@Override
public boolean isSuccessful() {
return successful;
}
@Override
public OutputStream connect(String endpoint, HashMap<String, String> headers)
throws IOException {
return connectLocal(endpoint, headers, true);
}
@Override
public OutputStream connect(String endpoint,
HashMap<String, String> httpHeaders, boolean b) throws IOException {
return connectLocal(endpoint, httpHeaders, b);
}
}