| /* |
| |
| Copyright 2004 (C) John Wilson. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| |
| package groovy.net.xmlrpc; |
| |
| import groovy.lang.GroovyObjectSupport; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.util.List; |
| |
| import org.xml.sax.SAXException; |
| |
| import uk.co.wilson.net.xmlrpc.XMLRPCMessageProcessor; |
| |
| /** |
| * @author John Wilson (tug@wilson.co.uk) |
| */ |
| public class XMLRPCServerProxy extends GroovyObjectSupport { |
| private URL serverURL; |
| private StringBuffer propertyPrefix = new StringBuffer(); |
| |
| public XMLRPCServerProxy(final String serverURL) throws MalformedURLException { |
| this.serverURL = new URL(serverURL); |
| } |
| |
| /* (non-Javadoc) |
| * @see groovy.lang.GroovyObject#getProperty(java.lang.String) |
| */ |
| public Object getProperty(final String property) { |
| /** |
| * |
| * Allow serverProxy.a.b.c(...) |
| * This invokes a remote method with the name "a.b.c" |
| * This technique is shamelessly stolen from the Python XML-RPC implementation |
| * Thanks and credit to Fredrik Lundh |
| * |
| */ |
| |
| this.propertyPrefix.append(property).append('.'); |
| |
| return this; |
| } |
| |
| /* (non-Javadoc) |
| * @see groovy.lang.GroovyObject#invokeMethod(java.lang.String, java.lang.Object) |
| */ |
| public Object invokeMethod(final String name, final Object args) { |
| final String methodName = this.propertyPrefix.append(name).toString(); |
| |
| this.propertyPrefix.setLength(0); |
| |
| if ("invokeMethod".equals(methodName)) return super.invokeMethod(methodName, args); |
| |
| try { |
| final Object[] params = (args instanceof List) ? ((List)args).toArray() : (Object[])args; |
| final StringBuffer buffer = new StringBuffer("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n<methodCall>\n\t<methodName>"); |
| |
| XMLRPCMessageProcessor.encodeString(buffer, methodName).append("</methodName>\n\t<params>\n"); |
| |
| for (int i = 0; i != params.length; i++) { |
| final Object param = params[i]; |
| |
| XMLRPCMessageProcessor.emit(buffer.append("\t\t<param>"), param).append("</param>\n"); |
| } |
| |
| buffer.append("\t</params>\n</methodCall>\n"); |
| |
| // System.out.println(buffer.toString()); |
| |
| byte [] request = buffer.toString().getBytes("ISO-8859-1"); |
| final URLConnection connection = this.serverURL.openConnection(); |
| |
| connection.setDoInput(true); |
| connection.setDoOutput(true); |
| connection.setUseCaches(false); |
| connection.setAllowUserInteraction(false); |
| connection.setRequestProperty("Content-Length", Integer.toString(request.length)); |
| connection.setRequestProperty("Content-Type", "text/xml"); |
| |
| final OutputStream requestStream = connection.getOutputStream(); |
| requestStream.write(request); |
| requestStream.flush(); |
| requestStream.close(); |
| |
| final XMLRPCMessageProcessor responseParser = new XMLRPCMessageProcessor(); |
| |
| responseParser.parseMessage(connection.getInputStream()); |
| |
| return responseParser.getParams().get(0); |
| |
| } catch (final IOException e) { |
| e.printStackTrace(); |
| |
| return null; |
| |
| } catch (final SAXException e) { |
| e.printStackTrace(); |
| |
| return null; |
| } |
| } |
| } |