From b1c8641a63a67e3c64d948f9e8dce5c01e11e2dd Mon Sep 17 00:00:00 2001 From: mcentner Date: Wed, 5 May 2010 15:29:01 +0000 Subject: Merged feature branch mocca-1.2.13-id@r724 back to trunk. git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@725 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4 --- .../gv/egiz/bku/binding/HTTPBindingProcessor.java | 859 +-------------------- 1 file changed, 25 insertions(+), 834 deletions(-) (limited to 'bkucommon/src/main/java/at/gv/egiz/bku/binding/HTTPBindingProcessor.java') diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/binding/HTTPBindingProcessor.java b/bkucommon/src/main/java/at/gv/egiz/bku/binding/HTTPBindingProcessor.java index e39addb5..db422498 100644 --- a/bkucommon/src/main/java/at/gv/egiz/bku/binding/HTTPBindingProcessor.java +++ b/bkucommon/src/main/java/at/gv/egiz/bku/binding/HTTPBindingProcessor.java @@ -1,844 +1,35 @@ /* - * Copyright 2008 Federal Chancellery Austria and - * Graz University of Technology - * - * 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 at.gv.egiz.bku.binding; +* Copyright 2009 Federal Chancellery Austria and +* Graz University of Technology +* +* 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. +*/ -import iaik.utils.Base64InputStream; +package at.gv.egiz.bku.binding; -import java.io.IOException; import java.io.InputStream; -import java.io.InputStreamReader; -import java.io.OutputStream; -import java.io.OutputStreamWriter; -import java.io.Reader; -import java.io.Writer; -import java.net.URL; -import java.security.cert.X509Certificate; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Locale; import java.util.Map; -import javax.net.ssl.SSLHandshakeException; -import javax.xml.transform.Templates; -import javax.xml.transform.Transformer; -import javax.xml.transform.TransformerException; -import javax.xml.transform.TransformerFactory; -import javax.xml.transform.URIResolver; -import javax.xml.transform.stream.StreamResult; -import javax.xml.transform.stream.StreamSource; - -import org.apache.commons.logging.Log; -import org.apache.commons.logging.LogFactory; - -import at.gv.egiz.bku.slcommands.ErrorResult; -import at.gv.egiz.bku.slcommands.SLCommand; -import at.gv.egiz.bku.slcommands.SLCommandContext; -import at.gv.egiz.bku.slcommands.SLCommandFactory; -import at.gv.egiz.bku.slcommands.SLCommandInvoker; -import at.gv.egiz.bku.slcommands.SLResult; -import at.gv.egiz.bku.slcommands.SLSourceContext; -import at.gv.egiz.bku.slcommands.SLTargetContext; -import at.gv.egiz.bku.slcommands.impl.ErrorResultImpl; -import at.gv.egiz.bku.slexceptions.SLBindingException; -import at.gv.egiz.bku.slexceptions.SLException; -import at.gv.egiz.bku.slexceptions.SLRuntimeException; -import at.gv.egiz.bku.utils.StreamUtil; -import at.gv.egiz.bku.utils.binding.Protocol; -import at.gv.egiz.bku.utils.urldereferencer.FormDataURLSupplier; -import at.gv.egiz.bku.utils.urldereferencer.SimpleFormDataContextImpl; -import at.gv.egiz.bku.utils.urldereferencer.StreamData; -import at.gv.egiz.bku.utils.urldereferencer.URIResolverAdapter; -import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer; -import at.gv.egiz.bku.utils.urldereferencer.URLDereferencerContext; -import at.gv.egiz.stal.QuitRequest; -import at.gv.egiz.stal.STALRequest; - -/** - * Class performing the HTTP binding as defined by the CCE specification. - * Currently a huge monolithic class. - * - * @TODO refactor - */ -@SuppressWarnings("unchecked") -public class HTTPBindingProcessor extends AbstractBindingProcessor implements - FormDataURLSupplier { - - private static Log log = LogFactory.getLog(HTTPBindingProcessor.class); - - private static enum State { - INIT, PROCESS, DATAURL, TRANSFORM, FINISHED - }; - - public final static Collection XML_REQ_TRANSFER_ENCODING = Arrays - .asList(new String[] { "binary" }); - - protected static String XML_MIME_TYPE = "text/xml"; - protected static String BINARY_MIME_TYPE = "application/octet-stream"; - - /** - * If null everything is ok and the result is taken from the command invoker. - */ - protected SLException bindingProcessorError; - protected SLCommandInvoker commandInvoker; - protected DataUrlResponse dataUrlResponse; - protected Map headerMap = Collections.EMPTY_MAP; - protected SLCommand slCommand; - protected Map formParameterMap = new HashMap(); - protected SLSourceContext srcContex = new SLSourceContext(); - protected SLTargetContext targetContext = new SLTargetContext(); - protected URL srcUrl; - protected State currentState = State.INIT; - protected Templates templates = null; - protected String resultContentType = null; - protected SLResult slResult = null; - protected int responseCode = 200; - protected Map responseHeaders = Collections.EMPTY_MAP; - protected Locale locale = Locale.getDefault(); - protected boolean finished = false; - - /** - * - * @param id - * may be null. In this case a new session id will be created. - * @param cmdInvoker - * must not be null; - */ - public HTTPBindingProcessor(String id, SLCommandInvoker cmdInvoker, URL source) { - super(id); - this.srcUrl = source; - Protocol protocol = Protocol.fromString(source.getProtocol()); - if ((protocol != Protocol.HTTP) && (protocol != Protocol.HTTPS)) { - throw new SLRuntimeException("Protocol not supported: " + protocol); - } - if (cmdInvoker == null) { - throw new NullPointerException("Commandinvoker cannot be set to null"); - } - commandInvoker = cmdInvoker; - srcContex.setSourceUrl(source); - srcContex.setSourceIsDataURL(false); - } - - //---------------------------------------------------------------------------- - // ----------- BEGIN CONVENIENCE METHODS ----------- - - protected void sendSTALQuit() { - log.info("Sending QUIT command to STAL"); - List quit = new ArrayList(1); - quit.add(new QuitRequest()); - getSTAL().handleRequest(quit); - } - - protected String getFormParameterAsString(String formParameterName) { - FormParameter fp = formParameterMap.get(formParameterName); - return getFormParameterAsString(fp); - } - - protected String getFormParameterAsString(FormParameter fp) { - if (fp == null) { - return null; - } - try { - return StreamUtil.asString(fp.getFormParameterValue(), HttpUtil - .getCharset(fp.getFormParameterContentType(), true)); - } catch (IOException e) { - return null; - } - } - - protected String getDataUrl() { - return getFormParameterAsString(FixedFormParameters.DATAURL); - } - - protected String getStyleSheetUrl() { - return getFormParameterAsString(FixedFormParameters.STYLESHEETURL); - } - - protected List getFormParameters(String parameterNamePostfix) { - List resultList = new ArrayList(); - for (Iterator fpi = formParameterMap.keySet().iterator(); fpi - .hasNext();) { - String paramName = fpi.next(); - if (paramName.endsWith(parameterNamePostfix)) { - resultList.add(formParameterMap.get(paramName)); - } - } - return resultList; - } - - protected List getTransferHeaders() { - return getFormParameters("__"); - } - - protected List getTransferForms() { - List resultList = new ArrayList(); - for (Iterator fpi = formParameterMap.keySet().iterator(); fpi - .hasNext();) { - String paramName = fpi.next(); - if ((paramName.endsWith("_")) && (!paramName.endsWith("__"))) { - resultList.add(formParameterMap.get(paramName)); - } - } - return resultList; - } - - protected void closeDataUrlConnection() { - log.debug("Closing data url input stream"); - if (dataUrlResponse == null) { - return; - } - InputStream is = dataUrlResponse.getStream(); - if (is != null) { - try { - is.close(); - } catch (IOException e) { - log.info("Error closing input stream to dataurl server:" + e); - } - } - } - - //---------------------------------------------------------------------------- - // ----------- END CONVENIENCE METHODS ----------- - - //---------------------------------------------------------------------------- - // -- BEGIN Methods that handle the http binding activities as defined in the - // activity diagram -- - - protected void init() { - log.info("Starting Bindingprocessor in Thread: " - + Thread.currentThread().getId()); - if (bindingProcessorError != null) { - log.debug("Detected binding processor error, sending quit command"); - // sendSTALQuit(); - currentState = State.FINISHED; - } else if (slCommand == null) { - log.error("SLCommand not set (consumeRequest not called ??)"); - bindingProcessorError = new SLException(2000); - // sendSTALQuit(); - currentState = State.FINISHED; - } else { - currentState = State.PROCESS; - } - } - - protected void processRequest() { - log.debug("Entered State: " + State.PROCESS); - log.debug("Processing command: " + slCommand); - commandInvoker.setCommand(slCommand); - responseCode = 200; - responseHeaders = Collections.EMPTY_MAP; - dataUrlResponse = null; - try { - commandInvoker.invoke(srcContex); - } catch (SLException e) { - log.info("Caught exception: " + e); - bindingProcessorError = e; - currentState = State.TRANSFORM; - } - if (getDataUrl() != null) { - log.debug("Data Url set to: " + getDataUrl()); - currentState = State.DATAURL; - } else { - log.debug("No data url set"); - currentState = State.TRANSFORM; - } - } - - protected void handleDataUrl() { - log.debug("Entered State: " + State.DATAURL); - try { - DataUrl dataUrl = new DataUrl(getDataUrl()); - DataUrlConnection conn = dataUrl.openConnection(); - - // set transfer headers - for (FormParameter fp : getTransferHeaders()) { - String paramString = getFormParameterAsString(fp); - if (paramString == null) { - log.error("Got empty transfer header, ignoring this"); - } else { - String[] keyVal = paramString.split(":", 2); - String key = keyVal[0]; - String val = null; - if (keyVal.length == 2) { - val = keyVal[1]; - val = val.trim(); - } else { - log.error("Invalid transfer header encoding: "+paramString); - throw new SLBindingException(2005); - } - log.debug("Setting header " + key + " to value " + val); - conn.setHTTPHeader(key, val); - } - } - - // set transfer form parameters - for (FormParameter fp : getTransferForms()) { - String contentTransferEncoding = null; - String contentType = fp.getFormParameterContentType(); - String charSet = HttpUtil.getCharset(contentType, false); - if (charSet != null) { - contentType = contentType.substring(0, contentType - .lastIndexOf(HttpUtil.SEPERATOR[0])); - } - for (Iterator header = fp.getHeaderNames(); header.hasNext();) { - if (HttpUtil.CONTENT_TRANSFER_ENCODING - .equalsIgnoreCase(header.next())) { - contentTransferEncoding = getFormParameterAsString(fp); - } - } - log.debug("Setting form: " + fp.getFormParameterName() - + " contentType: " + contentType + " charset: " + charSet - + " contentTransferEncoding: " + contentTransferEncoding); - conn.setHTTPFormParameter(fp.getFormParameterName(), fp - .getFormParameterValue(), contentType, charSet, - contentTransferEncoding); - } - - // connect - conn.connect(); - // fetch and set SL result - targetContext.setTargetIsDataURL(true); - targetContext.setTargetCertificate(conn.getServerCertificate()); - targetContext.setTargetUrl(conn.getUrl()); - SLResult result = commandInvoker.getResult(targetContext); - - // transfer result - conn.transmit(result); - - // process Dataurl response - dataUrlResponse = conn.getResponse(); - log.debug("Received data url response code: " - + dataUrlResponse.getResponseCode()); - - switch (dataUrlResponse.getResponseCode()) { - case 200: - String contentType = dataUrlResponse.getContentType(); - log.debug("Got dataurl response content type: " + contentType); - if (contentType != null) { - if ((contentType.startsWith(HttpUtil.APPLICATION_URL_ENCODED)) - || (contentType.startsWith(HttpUtil.MULTIPART_FOTMDATA))) { - log.debug("Detected SL Request in dataurl response"); - // process headers and request - setHTTPHeaders(dataUrlResponse.getResponseHeaders()); - consumeRequestStream(dataUrlResponse.getStream()); - //TODO check for bindingProcessorError - closeDataUrlConnection(); - srcContex.setSourceCertificate(conn.getServerCertificate()); - srcContex.setSourceIsDataURL(true); - srcContex.setSourceUrl(conn.getUrl()); - currentState = State.PROCESS; - } else if (((contentType.startsWith(HttpUtil.TXT_HTML)) - || (contentType.startsWith(HttpUtil.TXT_PLAIN)) - || (contentType.startsWith(HttpUtil.TXT_XML))) - && (dataUrlResponse.isHttpResponseXMLOK())) { - log.info("Dataurl response matches with content type: " - + contentType); - currentState = State.TRANSFORM; - - } else if ((contentType.startsWith(HttpUtil.TXT_XML)) - && (!dataUrlResponse.isHttpResponseXMLOK())) { - log - .debug("Detected text/xml dataurl response with content != "); - headerMap.put(HttpUtil.HTTP_HEADER_CONTENT_TYPE, contentType); - assignXMLRequest(dataUrlResponse.getStream(), HttpUtil.getCharset( - contentType, true)); - closeDataUrlConnection(); - srcContex.setSourceCertificate(conn.getServerCertificate()); - srcContex.setSourceIsDataURL(true); - srcContex.setSourceUrl(conn.getUrl()); - currentState = State.PROCESS; - // just to be complete, actually not used - srcContex.setSourceHTTPReferer(dataUrlResponse.getResponseHeaders() - .get(HttpUtil.HTTP_HEADER_REFERER)); - } else { - resultContentType = contentType; - responseHeaders = dataUrlResponse.getResponseHeaders(); - responseCode = dataUrlResponse.getResponseCode(); - currentState = State.FINISHED; - } - } else { - log.debug("Content type not set in dataurl response"); - closeDataUrlConnection(); - throw new SLBindingException(2007); - } - - break; - case 307: - contentType = dataUrlResponse.getContentType(); - if ((contentType != null) && (contentType.startsWith(HttpUtil.TXT_XML))) { - log.debug("Received dataurl response code 307 with XML content"); - String location = dataUrlResponse.getResponseHeaders().get( - HttpUtil.HTTP_HEADER_LOCATION); - if (location == null) { - log - .error("Did not get a location header for a 307 data url response"); - throw new SLBindingException(2003); - } - // consumeRequestStream(dataUrlResponse.getStream()); - FormParameterStore fp = new FormParameterStore(); - fp.init(location.getBytes(HttpUtil.DEFAULT_CHARSET), - FixedFormParameters.DATAURL, null, null); - formParameterMap.put(FixedFormParameters.DATAURL, fp); - headerMap.put(HttpUtil.HTTP_HEADER_CONTENT_TYPE, contentType); - assignXMLRequest(dataUrlResponse.getStream(), HttpUtil.getCharset( - dataUrlResponse.getContentType(), true)); - closeDataUrlConnection(); - srcContex.setSourceCertificate(conn.getServerCertificate()); - srcContex.setSourceIsDataURL(true); - srcContex.setSourceUrl(conn.getUrl()); - currentState = State.PROCESS; - // just to be complete, actually not used - srcContex.setSourceHTTPReferer(dataUrlResponse.getResponseHeaders() - .get(HttpUtil.HTTP_HEADER_REFERER)); - - } else { - log.debug("Received dataurl response code 307 non XML content: " - + dataUrlResponse.getContentType()); - resultContentType = dataUrlResponse.getContentType(); - currentState = State.FINISHED; - } - responseHeaders = dataUrlResponse.getResponseHeaders(); - responseCode = dataUrlResponse.getResponseCode(); - break; - - case 301: - case 302: - case 303: - responseHeaders = dataUrlResponse.getResponseHeaders(); - responseCode = dataUrlResponse.getResponseCode(); - resultContentType = dataUrlResponse.getContentType(); - currentState = State.FINISHED; - break; - - default: - // issue error - log.info("Unexpected response code from dataurl server: " - + dataUrlResponse.getResponseCode()); - throw new SLBindingException(2007); - } - - } catch (SLException slx) { - bindingProcessorError = slx; - log.error("Error during dataurl communication"); - resultContentType = HttpUtil.TXT_XML; - currentState = State.TRANSFORM; - } catch (SSLHandshakeException hx) { - bindingProcessorError = new SLException(2010); - log.info("Error during dataurl communication", hx); - resultContentType = HttpUtil.TXT_XML; - currentState = State.TRANSFORM; - } catch (IOException e) { - bindingProcessorError = new SLBindingException(2001); - log.error("Error while data url handling", e); - resultContentType = HttpUtil.TXT_XML; - currentState = State.TRANSFORM; - return; - } - } - - protected void transformResult() { - log.debug("Entered State: " + State.TRANSFORM); - if (bindingProcessorError != null) { - resultContentType = HttpUtil.TXT_XML; - } else if (dataUrlResponse != null) { - resultContentType = dataUrlResponse.getContentType(); - } else { - targetContext.setTargetIsDataURL(false); - targetContext.setTargetUrl(srcUrl); - try { - slResult = commandInvoker.getResult(targetContext); - resultContentType = slResult.getMimeType(); - log - .debug("Successfully got SLResult from commandinvoker, setting mimetype to: " - + resultContentType); - } catch (SLException e) { - log.info("Cannot get result from invoker:", e); - bindingProcessorError = new SLException(6002); - resultContentType = HttpUtil.TXT_XML; - } - } - templates = getTemplates(getStyleSheetUrl()); - if (templates != null) { - log.debug("Output transformation required"); - resultContentType = templates.getOutputProperties().getProperty("media-type"); - log.debug("Got media type from stylesheet: " + resultContentType); - if (resultContentType == null) { - log.debug("Setting to default text/xml result conent type"); - resultContentType = "text/xml"; - } - log.debug("Deferring sytylesheet processing"); - } - currentState = State.FINISHED; - } - - protected void finished() { - log.debug("Entered State: " + State.FINISHED); - if (bindingProcessorError != null) { - log.debug("Binding processor error, sending quit command"); - resultContentType = HttpUtil.TXT_XML; - } - sendSTALQuit(); - log.info("Terminating Bindingprocessor; Thread: " - + Thread.currentThread().getId()); - finished = true; - } - - // -- END Methods that handle the http binding activities as defined in the - // activity diagram -- - //---------------------------------------------------------------------------- - - /** - * Sets the headers of the SL Request. IMPORTANT: make sure to set all headers - * before invoking {@link #consumeRequestStream(InputStream)} - * - * @param aHeaderMap - * if null all header will be cleared. - */ - public void setHTTPHeaders(Map aHeaderMap) { - headerMap = new HashMap(); - // ensure lowercase keys - if (aHeaderMap != null) { - for (String s : aHeaderMap.keySet()) { - if (s != null) { - headerMap.put(s.toLowerCase(), aHeaderMap.get(s)); - if (s.equalsIgnoreCase(HttpUtil.HTTP_HEADER_REFERER)) { - String referer = aHeaderMap.get(s); - log.debug("Got referer header: " + referer); - srcContex.setSourceHTTPReferer(referer); - } - } - } - } - } - - public void setSourceCertificate(X509Certificate aCert) { - srcContex.setSourceCertificate(aCert); - } - - /** - * The HTTPBindingProcessor does not handle redirect URLs. It only provides - * the parameter. - * - * @return null if redirect url is not set. - */ - public String getRedirectURL() { - return getFormParameterAsString(FixedFormParameters.REDIRECTURL); - } - - public String getFormDataContentType(String aParameterName) { - FormParameter fp = formParameterMap.get(aParameterName); - if (fp != null) { - return fp.getFormParameterContentType(); - } - return null; - } - - public InputStream getFormData(String aParameterName) { - FormParameter fp = formParameterMap.get(aParameterName); - if (fp != null) { - final String enc = fp.getHeaderValue("Content-Transfer-Encoding"); - if (enc == null || "binary".equals(enc)) { - return fp.getFormParameterValue(); - } else if ("base64".equals(enc)) { - return new Base64InputStream(fp.getFormParameterValue()); - } else { - return new InputStream() { - @Override - public int read() throws IOException { - throw new IOException("Content-Transfer-Encoding : " + enc - + " is not supported."); - } - }; - } - } - return null; - } - - protected void assignXMLRequest(InputStream is, String charset) - throws IOException, SLException { - Reader r = new InputStreamReader(is, charset); - StreamSource source = new StreamSource(r); - SLCommandContext commandCtx = new SLCommandContext(); - commandCtx.setSTAL(getSTAL()); - commandCtx.setURLDereferencerContext(new SimpleFormDataContextImpl(this)); - commandCtx.setLocale(locale); - slCommand = SLCommandFactory.getInstance().createSLCommand(source, - commandCtx); - log.debug("Created new command: " + slCommand); - } - - @Override - public void run() { - boolean done = false; - int hopcounter = 0; - if (bindingProcessorError != null) { - currentState = State.FINISHED; - } - try { - while (!done) { - try { - switch (currentState) { - case INIT: - init(); - break; - case PROCESS: - processRequest(); - break; - case DATAURL: - handleDataUrl(); - if (++hopcounter > config.getMaxDataUrlHops()) { - log.error("Maximum number of dataurl hops reached"); - bindingProcessorError = new SLBindingException(2000); - currentState = State.FINISHED; - } - break; - case TRANSFORM: - transformResult(); - break; - case FINISHED: - done = true; - finished(); - break; - } - } catch (RuntimeException rte) { - throw rte; - } catch (Exception t) { - log.error("Caught unexpected exception", t); - responseCode = 200; - resultContentType = HttpUtil.TXT_XML; - responseHeaders = Collections.EMPTY_MAP; - bindingProcessorError = new SLException(2000); - currentState = State.FINISHED; - } - } - } catch (Throwable t) { - log.error("Caught unexpected exception", t); - responseCode = 200; - resultContentType = HttpUtil.TXT_XML; - responseHeaders = Collections.EMPTY_MAP; - bindingProcessorError = new SLException(2000); - currentState = State.FINISHED; - } - log.debug("Terminated http binding processor"); - finished = true; - } - - @Override - public void consumeRequestStream(InputStream is) { - try { - log.debug("Start consuming request stream"); - formParameterMap.clear(); - String cl = headerMap - .get(HttpUtil.HTTP_HEADER_CONTENT_TYPE.toLowerCase()); - if (cl == null) { - log.info("No content type set in http header"); - throw new SLBindingException(2006); - } - InputDecoder id = InputDecoderFactory.getDecoder(cl, is); - if (id == null) { - log.error("Cannot get inputdecoder for is"); - throw new SLException(2006); - } - for (Iterator fpi = id.getFormParameterIterator(); fpi - .hasNext();) { - FormParameter fp = fpi.next(); - log.debug("Got request parameter with name: " - + fp.getFormParameterName()); - if (fp.getFormParameterName().equals(FixedFormParameters.XMLREQUEST)) { - log.debug("Creating XML Request"); - for (Iterator headerIterator = fp.getHeaderNames(); headerIterator - .hasNext();) { - String headerName = headerIterator.next(); - if (HttpUtil.CONTENT_TRANSFER_ENCODING.equalsIgnoreCase(headerName)) { - String transferEncoding = fp.getHeaderValue(headerName); - log.debug("Got transfer encoding for xmlrequest: " - + transferEncoding); - if (XML_REQ_TRANSFER_ENCODING.contains(transferEncoding)) { - log.debug("Supported transfer encoding: " + transferEncoding); - } else { - log - .error("Transferencoding not supported: " - + transferEncoding); - throw new SLBindingException(2005); - } - } - } - String charset = HttpUtil.getCharset(cl, true); - assignXMLRequest(fp.getFormParameterValue(), charset); - } else { - FormParameterStore fps = new FormParameterStore(); - fps.init(fp); - //if (!fps.isEmpty()) { - log.debug("Setting form parameter: " + fps.getFormParameterName()); - formParameterMap.put(fps.getFormParameterName(), fps); - //} - } - } - if (slCommand == null) { - throw new SLBindingException(2004); - } - } catch (SLException slx) { - log.info("Error while consuming input stream " + slx); - bindingProcessorError = slx; - } catch (Throwable t) { - log.info("Error while consuming input stream " + t, t); - bindingProcessorError = new SLException(2000); - } finally { - try { - if (is.read() != -1) { - log.warn("Request input stream not completely read."); - while (is.read() != -1); - } - } catch (IOException e) { - log.error(e); - } - } - } - - @Override - public String getResultContentType() { - return resultContentType; - } - - protected Templates getTemplates(String styleSheetURL) { - if (styleSheetURL == null) { - log.debug("Stylesheet URL not set"); - return null; - } - try { - URLDereferencerContext urlCtx = new SimpleFormDataContextImpl(this); - URIResolver resolver = new URIResolverAdapter(URLDereferencer - .getInstance(), urlCtx); - TransformerFactory factory = TransformerFactory.newInstance(); - factory.setURIResolver(resolver); - StreamData sd = URLDereferencer.getInstance().dereference(styleSheetURL, - urlCtx); - return factory.newTemplates(new StreamSource(sd.getStream())); - } catch (Exception ex) { - log.info("Cannot instantiate transformer", ex); - bindingProcessorError = new SLException(2002); - return null; - } - } - - protected void handleBindingProcessorError(OutputStream os, String encoding, - Templates templates) throws IOException { - log.debug("Writing error as result"); - ErrorResultImpl error = new ErrorResultImpl(bindingProcessorError, locale); - Writer writer = writeXMLDeclarationAndProcessingInstruction(os, encoding); - error.writeTo(new StreamResult(writer), templates, true); - } - - protected Writer writeXMLDeclarationAndProcessingInstruction(OutputStream os, String encoding) throws IOException { - if (encoding == null) { - encoding = HttpUtil.DEFAULT_CHARSET; - } - OutputStreamWriter writer = new OutputStreamWriter(os, encoding); - writer.write("\n"); - writer.write("\n"); - return writer; - } - - @Override - public void writeResultTo(OutputStream os, String encoding) - throws IOException { - if (encoding == null) { - encoding = HttpUtil.DEFAULT_CHARSET; - } - if (bindingProcessorError != null) { - log.debug("Detected error in binding processor, writing error as result"); - handleBindingProcessorError(os, encoding, templates); - return; - } else if (dataUrlResponse != null) { - log.debug("Writing data url response as result"); - String charEnc = HttpUtil.getCharset(dataUrlResponse.getContentType(), - true); - InputStreamReader isr = new InputStreamReader( - dataUrlResponse.getStream(), charEnc); - OutputStreamWriter osw = new OutputStreamWriter(os, encoding); - if (templates == null) { - StreamUtil.copyStream(isr, osw); - } else { - try { - Transformer transformer = templates.newTransformer(); - transformer.transform(new StreamSource(isr), new StreamResult(osw)); - } catch (TransformerException e) { - log.fatal("Exception occured during result transformation", e); - // bindingProcessorError = new SLException(2008); - // handleBindingProcessorError(os, encoding, null); - return; - } - } - osw.flush(); - isr.close(); - } else if (slResult == null) { - // result not yet assigned -> must be a cancel - bindingProcessorError = new SLException(6001); - handleBindingProcessorError(os, encoding, templates); - return; - } else { - log.debug("Getting result from invoker"); - boolean fragment = false; - Writer writer; - if (slResult instanceof ErrorResult) { - writer = writeXMLDeclarationAndProcessingInstruction(os, encoding); - fragment = true; - } else { - writer = new OutputStreamWriter(os, encoding); - } - slResult.writeTo(new StreamResult(writer), templates, fragment); - writer.flush(); - } - } +public interface HTTPBindingProcessor extends BindingProcessor { - /** - * The response code from the dataurl server or 200 if no dataurl server - * created the result - * - * @return - */ - public int getResponseCode() { - return responseCode; - } + public void setHTTPHeaders(Map headerMap); + + public InputStream getFormData(String parameterName); - /** - * All headers from the data url server in case of a direct forward from the - * dataurl server. - * - * @return - */ - public Map getResponseHeaders() { - return responseHeaders; - } + public String getRedirectURL(); - @Override - public void setLocale(Locale locale) { - if (locale == null) { - throw new NullPointerException("Locale must not be set to null"); - } - this.locale = locale; - } + public int getResponseCode(); - @Override - public boolean isFinished() { - return finished; - } -} \ No newline at end of file + public Map getResponseHeaders(); + +} -- cgit v1.2.3