| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * 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 org.apache.cocoon.components.language.markup.xsp; |
| |
| import org.apache.avalon.framework.component.ComponentException; |
| import org.apache.avalon.framework.component.ComponentManager; |
| import org.apache.cocoon.ProcessingException; |
| import org.apache.cocoon.components.xscript.XScriptManager; |
| import org.apache.cocoon.components.xscript.XScriptObject; |
| import org.apache.cocoon.components.xscript.XScriptObjectInlineXML; |
| import org.apache.commons.httpclient.Header; |
| import org.apache.commons.httpclient.HttpConnection; |
| import org.apache.commons.httpclient.HttpState; |
| import org.apache.commons.httpclient.methods.PostMethod; |
| import org.apache.excalibur.source.SourceUtil; |
| import org.xml.sax.InputSource; |
| |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| /** |
| * Helper for the SOAP logicsheet. |
| * |
| * @author <a href="mailto:ovidiu@cup.hp.com">Ovidiu Predescu</a> |
| * @author <a href="mailto:vgritsenko@apache.org">Vadim Gritsenko</a> |
| * @version CVS $Id: SOAPHelper.java,v 1.4 2004/03/05 13:02:47 bdelacretaz Exp $ |
| * @since July 16, 2001 |
| */ |
| public class SOAPHelper { |
| XScriptManager xscriptManager; |
| URL url; |
| String action = ""; |
| XScriptObject xscriptObject; |
| String authorization = ""; |
| |
| public SOAPHelper(ComponentManager manager, String urlContext, String url, |
| String action, String authorization, XScriptObject xscriptObject) |
| throws MalformedURLException, ComponentException |
| { |
| this.xscriptManager = (XScriptManager) manager.lookup(XScriptManager.ROLE); |
| URL context = new URL(urlContext); |
| this.url = new URL(context, url); |
| this.action = action; |
| this.authorization = authorization; |
| this.xscriptObject = xscriptObject; |
| } |
| |
| public XScriptObject invoke() throws ProcessingException |
| { |
| HttpConnection conn = null; |
| |
| try { |
| if (action == null || action.equals("")) { |
| action = "\"\""; |
| } |
| |
| String host = url.getHost(); |
| int port = url.getPort(); |
| |
| if (System.getProperty("http.proxyHost") != null) { |
| String proxyHost = System.getProperty("http.proxyHost"); |
| int proxyPort = Integer.parseInt(System.getProperty("http.proxyPort")); |
| conn = new HttpConnection(proxyHost, proxyPort, host, port); |
| } else { |
| conn = new HttpConnection(host, port); |
| } |
| |
| PostMethod method = new PostMethod(url.getFile()); |
| String request; |
| |
| try { |
| // Write the SOAP request body |
| if (xscriptObject instanceof XScriptObjectInlineXML) { |
| // Skip overhead |
| request = ((XScriptObjectInlineXML) xscriptObject).getContent(); |
| } else { |
| StringBuffer bodyBuffer = new StringBuffer(); |
| InputSource saxSource = xscriptObject.getInputSource(); |
| |
| Reader r = null; |
| // Byte stream or character stream? |
| if (saxSource.getByteStream() != null) { |
| r = new InputStreamReader(saxSource.getByteStream()); |
| } else { |
| r = saxSource.getCharacterStream(); |
| } |
| |
| try { |
| char[] buffer = new char[1024]; |
| int len; |
| while ((len = r.read(buffer)) > 0) |
| bodyBuffer.append(buffer, 0, len); |
| } finally { |
| if (r != null) { |
| r.close(); |
| } |
| } |
| |
| request = bodyBuffer.toString(); |
| } |
| |
| } catch (Exception ex) { |
| throw new ProcessingException("Error assembling request", ex); |
| } |
| |
| method.setRequestHeader( |
| new Header("Content-type", "text/xml; charset=\"utf-8\"")); |
| method.setRequestHeader(new Header("SOAPAction", action)); |
| method.setRequestBody(request); |
| |
| if (authorization != null && !authorization.equals("")) { |
| method.setRequestHeader(new Header("Authorization","Basic "+SourceUtil.encodeBASE64(authorization))); |
| } |
| |
| method.execute(new HttpState(), conn); |
| |
| String ret = method.getResponseBodyAsString(); |
| int startOfXML = ret.indexOf("<?xml"); |
| if (startOfXML == -1) { // No xml?! |
| throw new ProcessingException("Invalid response - no xml"); |
| } |
| |
| return new XScriptObjectInlineXML( |
| xscriptManager, |
| ret.substring(startOfXML)); |
| } catch (Exception ex) { |
| throw new ProcessingException("Error invoking remote service: " + ex, |
| ex); |
| } finally { |
| try { |
| if (conn != null) |
| conn.close(); |
| } catch (Exception ex) { |
| } |
| } |
| } |
| } |