blob: c89279b086bc7f45c2072aa3e4c7d75bb657568b [file] [log] [blame]
/**
* Copyright (c) 2006, James Seigel, Calgary, AB., Canada
* Copyright (c) 2003,2004, Stefan Haustein, Oberhausen, Rhld., Germany
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
package org.ksoap2.transport;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.io.*;
import java.net.MalformedURLException;
import java.net.Proxy;
import java.net.URL;
import org.ksoap2.*;
import org.xmlpull.v1.*;
/**
* Abstract class which holds common methods and members that are used by the
* transport layers. This class encapsulates the serialization and
* deserialization of the soap messages, leaving the basic communication
* routines to the subclasses.
*/
abstract public class Transport {
/**
* Added to enable web service interactions on the emulator to be debugged
* with Fiddler2 (Windows) but provides utility for other proxy
* requirements.
*/
protected Proxy proxy;
protected String url;
protected int timeout = ServiceConnection.DEFAULT_TIMEOUT;
/** Set to true if debugging */
public boolean debug = true;
/** String dump of request for debugging. */
public String requestDump;
/** String dump of response for debugging */
public String responseDump;
private String xmlVersionTag = "";
protected static final String CONTENT_TYPE_XML_CHARSET_UTF_8 = "text/xml;charset=utf-8";
protected static final String CONTENT_TYPE_SOAP_XML_CHARSET_UTF_8 =
"application/soap+xml;charset=utf-8";
protected static final String USER_AGENT = "ksoap2-android/2.6.0+";
private int bufferLength = ServiceConnection.DEFAULT_BUFFER_SIZE;
private HashMap prefixes = new HashMap();
public HashMap getPrefixes() {
return prefixes;
}
public Transport() {
}
public Transport(String url) {
this(null, url);
}
public Transport(String url, int timeout) {
this.url = url;
this.timeout = timeout;
}
public Transport(String url, int timeout, int bufferLength) {
this.url = url;
this.timeout = timeout;
this.bufferLength = bufferLength;
}
/**
* Construct the transport object
*
* @param proxy
* Specifies the proxy server to use for accessing the web
* service or <code>null</code> if a direct connection is
* available
* @param url
* Specifies the web service url
*
*/
public Transport(Proxy proxy, String url) {
this.proxy = proxy;
this.url = url;
}
public Transport(Proxy proxy, String url, int timeout) {
this.proxy = proxy;
this.url = url;
this.timeout = timeout;
}
public Transport(Proxy proxy, String url, int timeout, int bufferLength) {
this.proxy = proxy;
this.url = url;
this.timeout = timeout;
this.bufferLength = bufferLength;
}
/**
* Sets up the parsing to hand over to the envelope to deserialize.
*/
protected void parseResponse(SoapEnvelope envelope, InputStream is)
throws XmlPullParserException, IOException {
// Android-changed: Use XmlPullParserFactory instead of a specific implementation.
// XmlPullParser xp = new KXmlParser();
XmlPullParser xp = XmlPullParserFactory.newInstance().newPullParser();
xp.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
xp.setInput(is, null);
envelope.parse(xp);
/*
* Fix memory leak when running on android in strict mode. Issue 133
*/
is.close();
}
/**
* Serializes the request.
*/
protected byte[] createRequestData(SoapEnvelope envelope, String encoding)
throws XmlPullParserException, IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream(bufferLength);
byte result[] = null;
bos.write(xmlVersionTag.getBytes());
// Android-changed: Use XmlPullParserFactory instead of a specific implementation.
// XmlSerializer xw = new KXmlSerializer();
XmlSerializer xw = XmlPullParserFactory.newInstance().newSerializer();
final Iterator keysIter = prefixes.keySet().iterator();
xw.setOutput(bos, encoding);
while (keysIter.hasNext()) {
String key = (String) keysIter.next();
xw.setPrefix(key, (String) prefixes.get(key));
}
envelope.write(xw);
xw.flush();
bos.write('\r');
bos.write('\n');
bos.flush();
result = bos.toByteArray();
xw = null;
bos = null;
return result;
}
/**
* Serializes the request.
*/
protected byte[] createRequestData(SoapEnvelope envelope)
throws XmlPullParserException, IOException {
return createRequestData(envelope, null);
}
/**
* Set the target url.
*
* @param url
* the target url.
*/
public void setUrl(String url) {
this.url = url;
}
public String getUrl() {
return url;
}
/**
* Sets the version tag for the outgoing soap call. Example <?xml
* version=\"1.0\" encoding=\"UTF-8\"?>
*
* @param tag
* the xml string to set at the top of the soap message.
*/
public void setXmlVersionTag(String tag) {
xmlVersionTag = tag;
}
/**
* Attempts to reset the connection.
*/
public void reset() {
}
/**
* Perform a soap call with a given namespace and the given envelope
* providing any extra headers that the user requires such as cookies.
* Headers that are returned by the web service will be returned to the
* caller in the form of a <code>List</code> of <code>HeaderProperty</code>
* instances.
*
* @param soapAction
* the namespace with which to perform the call in.
* @param envelope
* the envelope the contains the information for the call.
* @param headers
* <code>List</code> of <code>HeaderProperty</code> headers to
* send with the SOAP request.
*
* @return Headers returned by the web service as a <code>List</code> of
* <code>HeaderProperty</code> instances.
*/
abstract public List call(String soapAction, SoapEnvelope envelope,
List headers) throws IOException, XmlPullParserException;
/**
* Perform a soap call with a given namespace and the given envelope
* providing any extra headers that the user requires such as cookies.
* Headers that are returned by the web service will be returned to the
* caller in the form of a <code>List</code> of <code>HeaderProperty</code>
* instances.
*
* @param soapAction
* the namespace with which to perform the call in.
* @param envelope
* the envelope the contains the information for the call.
* @param headers
* <code>List</code> of <code>HeaderProperty</code> headers to
* send with the SOAP request.
* @param outputFile
* a file to stream the response into rather than parsing it,
* streaming happens when file is not null
*
* @return Headers returned by the web service as a <code>List</code> of
* <code>HeaderProperty</code> instances.
*/
abstract public List call(String soapAction, SoapEnvelope envelope,
List headers, File outputFile) throws IOException,
XmlPullParserException;
/**
* Perform a soap call with a given namespace and the given envelope.
*
* @param soapAction
* the namespace with which to perform the call in.
* @param envelope
* the envelope the contains the information for the call.
*/
public void call(String soapAction, SoapEnvelope envelope)
throws IOException, XmlPullParserException {
call(soapAction, envelope, null);
}
/**
* Return the name of the host that is specified as the web service target
*
* @return Host name
*/
public String getHost() throws MalformedURLException {
return new URL(url).getHost();
}
/**
* Return the port number of the host that is specified as the web service
* target
*
* @return Port number
*/
public int getPort() throws MalformedURLException {
return new URL(url).getPort();
}
/**
* Return the path to the web service target
*
* @return The URL's path
*/
public String getPath() throws MalformedURLException {
return new URL(url).getPath();
}
abstract public ServiceConnection getServiceConnection() throws IOException;
}