Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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.ode.axis2.service; import org.apache.ode.store.ProcessStoreImpl; import org.apache.ode.bpel.iapi.ProcessConf; import org.apache.ode.utils.fs.FileUtils; import org.apache.axis2.engine.AxisConfiguration; import org.apache.axis2.description.AxisService; import org.apache.axis2.description.AxisOperation; import org.apache.commons.lang.StringUtils; import javax.xml.namespace.QName; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletException; import java.io.*; import java.util.List; import java.util.Iterator; import java.util.ArrayList; /** * handles a set of URLs all starting with /deployment to publish all files in * deployed bundles, services and processes. */ public class DeploymentBrowser { private ProcessStoreImpl _store; private AxisConfiguration _config; private File _appRoot; public DeploymentBrowser(ProcessStoreImpl store, AxisConfiguration config, File appRoot) { _store = store; _config = config; _appRoot = appRoot; } // A fake filter, directly called from the ODEAxisServlet public boolean doFilter(final HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { final String requestURI = request.getRequestURI(); final int deplUri = requestURI.indexOf("/deployment"); if (deplUri > 0) { final String root = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + requestURI.substring(0, deplUri); int offset = requestURI.length() > (deplUri + 11) ? 1 : 0; final String[] segments = requestURI.substring(deplUri + 11 + offset).split("/"); if (segments.length == 0 || segments[0].length() == 0) { renderHtml(response, "ODE Deployment Browser", new DocBody() { public void render(Writer out) throws IOException { out.write("<p><a href=\"bundles/\">Deployed Bundles</a></p>"); out.write("<p><a href=\"services/\">Process Services</a></p>"); out.write("<p><a href=\"processes/\">Process Definitions</a></p>"); } }); } else if (segments.length > 0) { if ("services".equals(segments[0])) { if (segments.length == 1) { renderHtml(response, "Services Implemented by Your Processes", new DocBody() { public void render(Writer out) throws IOException { for (Object serviceName : _config.getServices().keySet()) if (!"Version".equals(serviceName)) { AxisService service = _config.getService(serviceName.toString()); // The service can be one of the dynamically registered ODE services, a process // service or an unknown service deployed in the same Axis2 instance. String url = null; if ("DeploymentService".equals(service.getName()) || "InstanceManagement".equals(service.getName()) || "ProcessManagement".equals(service.getName())) url = service.getName(); else if (service.getFileName() != null) { String relative = bundleUrlFor(service.getFileName().getFile()); if (relative != null) url = root + relative; else url = root + "/services/" + service.getName() + "?wsdl"; } out.write("<p><a href=\"" + url + "\">" + serviceName + "</a></p>"); String axis2wsdl = root + "/processes/" + serviceName + "?wsdl"; out.write("<ul><li>Axis2 WSDL: <a href=\"" + axis2wsdl + "\">" + axis2wsdl + "</a></li>"); out.write( "<li>Endpoint: " + (root + "/processes/" + serviceName) + "</li>"); Iterator iter = service.getOperations(); ArrayList<String> ops = new ArrayList<String>(); while (iter.hasNext()) ops.add(((AxisOperation) iter.next()).getName().getLocalPart()); out.write("<li>Operations: " + StringUtils.join(ops, ", ") + "</li></ul>"); } } }); } else { final String serviceName = requestURI.substring(deplUri + 12 + 9); final AxisService axisService = _config.getService(serviceName); if (axisService != null) { renderXml(response, new DocBody() { public void render(Writer out) throws IOException { if ("InstanceManagement".equals(serviceName) || "ProcessManagement".equals(serviceName)) write(out, new File(_appRoot, "pmapi.wsdl").getPath()); else if (requestURI.indexOf("pmapi.xsd") > 0) write(out, new File(_appRoot, "pmapi.xsd").getPath()); else if ("DeploymentService".equals(serviceName)) write(out, new File(_appRoot, "deploy.wsdl").getPath()); else write(out, axisService.getFileName().getFile()); } }); } else { renderHtml(response, "Service Not Found", new DocBody() { public void render(Writer out) throws IOException { out.write("<p>Couldn't find service " + serviceName + "</p>"); } }); } } } else if ("processes".equals(segments[0])) { if (segments.length == 1) { renderHtml(response, "Deployed Processes", new DocBody() { public void render(Writer out) throws IOException { for (QName process : _store.getProcesses()) { String url = root + bundleUrlFor( _store.getProcessConfiguration(process).getBpelDocument()); String[] nameVer = process.getLocalPart().split("-"); out.write("<p><a href=\"" + url + "\">" + nameVer[0] + "</a> (v" + nameVer[1] + ")"); out.write(" - " + process.getNamespaceURI() + "</p>"); } } }); } } else if ("bundles".equals(segments[0])) { if (segments.length == 1) { renderHtml(response, "Deployment Bundles", new DocBody() { public void render(Writer out) throws IOException { for (String bundle : _store.getPackages()) out.write("<p><a href=\"" + bundle + "\">" + bundle + "</a></p>"); } }); } else if (segments.length == 2) { renderHtml(response, "Files in Bundle " + segments[1], new DocBody() { public void render(Writer out) throws IOException { List<QName> processes = _store.listProcesses(segments[1]); if (processes != null && processes.size() > 0) { List<File> files = _store.getProcessConfiguration(processes.get(0)).getFiles(); for (File file : files) { String relativePath = file.getPath() .substring(file.getPath().indexOf("processes") + 10) .replaceAll("\\\\", "/"); out.write( "<p><a href=\"" + relativePath + "\">" + relativePath + "</a></p>"); } } else { out.write("<p>Couldn't find bundle " + segments[1] + "</p>"); } } }); } else if (segments.length > 2) { List<QName> processes = _store.listProcesses(segments[1]); if (processes != null && processes.size() > 0) { List<File> files = _store.getProcessConfiguration(processes.get(0)).getFiles(); for (final File file : files) { String relativePath = requestURI.substring(deplUri + 12 + 9 + segments[1].length()); // replace slashes with the correct file separator so the match below is not always false relativePath = relativePath.replace('/', File.separatorChar); if (file.getPath().endsWith(relativePath)) { renderXml(response, new DocBody() { public void render(Writer out) throws IOException { write(out, file.getPath()); } }); return true; } } } else { renderHtml(response, "No Bundle Found", new DocBody() { public void render(Writer out) throws IOException { out.write("<p>Couldn't find bundle " + segments[2] + "</p>"); } }); } } } else if ("getBundleDocs".equals(segments[0])) { if (segments.length == 1) { renderXml(response, new DocBody() { public void render(Writer out) throws IOException { out.write("<getBundleDocsResponse>"); out.write("<error>Not enough args..</error>"); out.write("</getBundleDocsResponse>"); } }); } else if (segments.length == 2) { final String bundleName = segments[1]; final List<QName> processes = _store.listProcesses(bundleName); if (processes != null) { renderXml(response, new DocBody() { public void render(Writer out) throws IOException { out.write("<getBundleDocsResponse><name>" + bundleName + "</name>"); //final List<File> files = _store.getProcessConfiguration(processes.get(0)).getFiles(); //final String pid = _store.getProcessConfiguration(processes.get(0)).getProcessId().toString(); for (final QName process : processes) { List<File> files = _store.getProcessConfiguration(process).getFiles(); String pid = _store.getProcessConfiguration(process).getProcessId() .toString(); out.write("<process><pid>" + pid + "</pid>"); for (final File file : files) { if (file.getPath().endsWith(".wsdl")) { String relativePath = file.getPath().substring( _store.getDeployDir().getCanonicalPath().length() + 1) .replace(File.separatorChar, '/'); out.write("<wsdl>" + relativePath + "</wsdl>"); } if (file.getPath().endsWith(".bpel")) { String relativePath = file.getPath().substring( _store.getDeployDir().getCanonicalPath().length() + 1) .replace(File.separatorChar, '/'); out.write("<bpel>" + relativePath + "</bpel>"); } } out.write("</process>"); } out.write("</getBundleDocsResponse>"); } }); } } } else if ("getProcessDefinition".equals(segments[0])) { if (segments.length == 1) { renderXml(response, new DocBody() { public void render(Writer out) throws IOException { out.write("<getProcessDefinitionResponse>"); out.write("<error>Not enough args..</error>"); out.write("</getProcessDefinitionResponse>"); } }); } else if (segments.length == 2) { String processName = segments[1]; for (QName process : _store.getProcesses()) { String[] nameVer = process.getLocalPart().split("-"); if (processName.equals(nameVer[0])) { final String url = root + bundleUrlFor(_store.getProcessConfiguration(process).getBpelDocument()); renderXml(response, new DocBody() { public void render(Writer out) throws IOException { out.write("<getProcessDefinition>"); out.write("<url>" + url + "</url>"); out.write("</getProcessDefinition>"); } }); } } } } } return true; } return false; } static interface DocBody { void render(Writer out) throws IOException; } private void renderHtml(HttpServletResponse response, String title, DocBody docBody) throws IOException { response.setContentType("text/html"); Writer out = response.getWriter(); out.write("<html><header><style type=\"text/css\">" + CSS + "</style></header><body>\n"); out.write("<h2>" + title + "</h2><p/>\n"); docBody.render(out); out.write("</body></html>"); } private void renderXml(HttpServletResponse response, DocBody docBody) throws IOException { response.setContentType("application/xml; charset=utf-8"); //response.setContentType("application/xml"); //response.setCharacterEncoding("UTF-8"); Writer out = response.getWriter(); docBody.render(out); } private void write(Writer out, String filePath) throws IOException { BufferedReader wsdlReader = new BufferedReader(new FileReader(filePath)); String line; while ((line = wsdlReader.readLine()) != null) out.write(line + "\n"); wsdlReader.close(); } private String bundleUrlFor(String docFile) { if (docFile.indexOf("processes") >= 0) docFile = docFile.substring(docFile.indexOf("processes") + 10); List<File> files = FileUtils.directoryEntriesInPath(_store.getDeployDir(), null); for (final File bundleFile : files) { if (bundleFile.getPath().replaceAll("\\\\", "/").endsWith(docFile)) return "/deployment/bundles/" + bundleFile.getPath() .substring(_store.getDeployDir().getPath().length() + 1).replaceAll("\\\\", "/"); } return null; } private static final String CSS = "body {\n" + " font: 75% Verdana, Helvetica, Arial, sans-serif;\n" + " background: White;\n" + " color: Black;\n" + " margin: 1em;\n" + " padding: 1em;\n" + "}\n" + "\n" + "h1, h2, h3, h4, h5, h6 {\n" + " color: Black;\n" + " clear: left;\n" + " font: 100% Verdana, Helvetica, Arial, sans-serif;\n" + " margin: 0;\n" + " padding-left: 0.5em;\n" + "} \n" + "\n" + "h1 {\n" + " font-size: 150%;\n" + " border-bottom: none;\n" + " text-align: right;\n" + " border-bottom: 1px solid Gray;\n" + "}\n" + " \n" + "h2 {\n" + " font-size: 130%;\n" + " border-bottom: 1px solid Gray;\n" + "}\n" + "\n" + "h3 {\n" + " font-size: 120%;\n" + " padding-left: 1.0em;\n" + " border-bottom: 1px solid Gray;\n" + "}\n" + "\n" + "h4 {\n" + " font-size: 110%;\n" + " padding-left: 1.5em;\n" + " border-bottom: 1px solid Gray;\n" + "}\n" + "\n" + "p {\n" + " text-align: justify;\n" + " line-height: 1.5em;\n" + " padding-left: 1.5em;\n" + "}\n" + "\n" + "a {\n" + " text-decoration: underline;\n" + " color: Black;\n" + "}"; }