Java tutorial
/******************************************************************************* * Copyright (c) 2008 - 2014 Red Hat, Inc. and others. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is made available under the terms of the * Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ package org.jboss.tools.ws.jaxws.ui.commands; import java.util.LinkedList; import java.util.List; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jdt.core.ICompilationUnit; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.IPackageFragment; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.core.IType; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.core.dom.AST; import org.eclipse.jdt.core.dom.ASTParser; import org.eclipse.jdt.core.dom.CompilationUnit; import org.eclipse.jdt.core.dom.MethodDeclaration; import org.eclipse.jdt.core.dom.NormalAnnotation; import org.eclipse.jdt.core.dom.PrimitiveType; import org.eclipse.jdt.core.dom.PrimitiveType.Code; import org.eclipse.jdt.core.dom.SingleVariableDeclaration; import org.eclipse.jdt.core.dom.TypeDeclaration; import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation; import org.jboss.tools.ws.jaxws.core.data.ServiceModel; import org.jboss.tools.ws.jaxws.core.messages.JBossJAXWSCoreMessages; import org.jboss.tools.ws.jaxws.core.util.StatusUtils; import org.jboss.tools.ws.jaxws.ui.JBossJAXWSUIPlugin; import org.jboss.tools.ws.jaxws.ui.utils.JBossWSCreationUtils; /** * @author Grid Qian * * create a sample class to call web service according to wsdl */ public class ClientSampleCreationCommand extends AbstractDataModelOperation { public static final String LINE_SEPARATOR = System.getProperty("line.separator"); //$NON-NLS-1$ private static final String PACAKAGE = ".*"; //$NON-NLS-1$ private ServiceModel model; private int serviceNum = 1; private int portNum = 1; private int argsNum = 0; public ClientSampleCreationCommand(ServiceModel model) { this.model = model; } @Override public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { argsNum = 0; IStatus status = Status.OK_STATUS; IJavaProject project = model.getJavaProject(); // find web service client classes List<ICompilationUnit> clientUnits = JBossWSCreationUtils.findJavaUnitsByAnnotation(project, JBossJAXWSCoreMessages.WebserviceClient_Annotation, model.getCustomPackage()); // find web service classes List<ICompilationUnit> serviceUnits = JBossWSCreationUtils.findJavaUnitsByAnnotation(project, JBossJAXWSCoreMessages.Webservice_Annotation, model.getCustomPackage()); if (clientUnits.size() == 0) { return status; } List<String> packageList = new LinkedList<String>(); for (ICompilationUnit unit : clientUnits) { if (!packageList.contains(unit.getParent().getElementName())) { packageList.add(unit.getParent().getElementName()); } } for (int j = 0; j < packageList.size(); j++) { status = createImplClass(packageList.get(j), project, clientUnits, serviceUnits); if (!status.isOK()) { break; } } return status; } private IStatus createImplClass(String packageName, IJavaProject project, List<ICompilationUnit> clientUnits, List<ICompilationUnit> serviceUnits) { // create a client sample class ICompilationUnit clientCls = createJavaClass( packageName + JBossJAXWSCoreMessages.Client_Sample_Package_Name, JBossJAXWSCoreMessages.Client_Sample_Class_Name, false, null, project); if (clientCls == null) { return StatusUtils.errorStatus(JBossJAXWSCoreMessages.Error_Create_Client_Sample); } // add imports to client sample class try { clientCls.createImport(packageName + PACAKAGE, null, null); clientCls.save(null, true); } catch (Exception e1) { JBossJAXWSUIPlugin.getDefault().logError(e1); return StatusUtils.errorStatus(JBossJAXWSCoreMessages.Error_Create_Client_Sample); } // create main method IType clientClsType = clientCls.findPrimaryType(); StringBuffer sb = new StringBuffer(); sb.append("public static void main(String[] args) {"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); sb.append(" System.out.println(\"***********************\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); createWebServiceClient(clientUnits, serviceUnits, sb, packageName); sb.append(" System.out.println(\"***********************\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); sb.append(" System.out.println(\"").append( //$NON-NLS-1$ JBossJAXWSCoreMessages.Client_Sample_Run_Over).append("\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); sb.append("}"); //$NON-NLS-1$ try { clientClsType.createMethod(sb.toString(), null, true, null); clientCls.save(null, true); } catch (JavaModelException e) { JBossJAXWSUIPlugin.getDefault().logError(e); return StatusUtils.errorStatus(JBossJAXWSCoreMessages.Error_Create_Client_Sample); } return Status.OK_STATUS; } /** * create a java class * * @param packageName * @param className * @param isInterface * @param interfaceName * @param javaProject * @return */ public ICompilationUnit createJavaClass(String packageName, String className, boolean isInterface, String interfaceName, IJavaProject javaProject) { try { IPackageFragmentRoot root = JBossWSCreationUtils.getPackageFragmentRoot(javaProject, model.getJavaSourceFolder()); if (packageName == null) { packageName = ""; //$NON-NLS-1$ } IPackageFragment pkg = root.createPackageFragment(packageName, false, null); ICompilationUnit wrapperCls = pkg.createCompilationUnit(className + ".java", "", true, null); //$NON-NLS-1$//$NON-NLS-2$ if (!packageName.equals("")) { //$NON-NLS-1$ wrapperCls.createPackageDeclaration(packageName, null); } String clsContent = ""; //$NON-NLS-1$ if (isInterface) { clsContent = "public interface " + className + " {" //$NON-NLS-1$ //$NON-NLS-2$ + LINE_SEPARATOR; clsContent += "}" + LINE_SEPARATOR; //$NON-NLS-1$ } else { clsContent = "public class " + className; //$NON-NLS-1$ if (interfaceName != null) { clsContent += " implements " + interfaceName; //$NON-NLS-1$ } clsContent += " {" + LINE_SEPARATOR; //$NON-NLS-1$ clsContent += "}" + LINE_SEPARATOR; //$NON-NLS-1$ } wrapperCls.createType(clsContent, null, true, null); wrapperCls.save(null, true); return wrapperCls; } catch (Exception e) { JBossJAXWSUIPlugin.getDefault().logError(e); return null; } } /** * create a code block used to new a web service client * * @param clientUnits * @param serviceUnits * @param sb */ private void createWebServiceClient(List<ICompilationUnit> clientUnits, List<ICompilationUnit> serviceUnits, StringBuffer sb, String packageName) { sb.append(" System.out.println(\"" //$NON-NLS-1$ + "Create Web Service Client...\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); for (ICompilationUnit unit : clientUnits) { // parse the unit if (!packageName.equals(unit.getParent().getElementName())) { continue; } ASTParser parser = ASTParser.newParser(AST.JLS3); parser.setSource(unit); parser.setResolveBindings(false); parser.setFocalPosition(0); CompilationUnit result = (CompilationUnit) parser.createAST(null); @SuppressWarnings("rawtypes") List types = result.types(); TypeDeclaration typeDec = (TypeDeclaration) types.get(0); sb.append(" " + typeDec.getName()); //$NON-NLS-1$ sb.append(" service").append(serviceNum).append(" = new "); //$NON-NLS-1$ //$NON-NLS-2$ sb.append(typeDec.getName()); sb.append("();"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); MethodDeclaration methodDec[] = typeDec.getMethods(); // create web service from web serivce client methods for (MethodDeclaration method : methodDec) { if (method.modifiers().get(0) instanceof NormalAnnotation) { NormalAnnotation anno = (NormalAnnotation) method.modifiers().get(0); if (anno.getTypeName().getFullyQualifiedName().equals(JBossJAXWSCoreMessages.WebEndpoint)) { createWebService(serviceUnits, method, sb); portNum += 1; } } } serviceNum += 1; } } /** * create a code block used to new a web service from a method of web * service client * * @param serviceUnits * @param method * @param sb */ private void createWebService(List<ICompilationUnit> serviceUnits, MethodDeclaration method, StringBuffer sb) { sb.append(" System.out.println(\"" //$NON-NLS-1$ + "Create Web Service...\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); sb.append(" " + method.getReturnType2().toString()); //$NON-NLS-1$ sb.append(" port").append(portNum).append(" = "); //$NON-NLS-1$ //$NON-NLS-2$ sb.append("service").append(serviceNum).append("."); //$NON-NLS-1$ //$NON-NLS-2$ sb.append(method.getName()).append("();"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); for (ICompilationUnit unit : serviceUnits) { // parse the unit ASTParser parser = ASTParser.newParser(AST.JLS3); parser.setSource(unit); parser.setResolveBindings(false); parser.setFocalPosition(0); CompilationUnit result = (CompilationUnit) parser.createAST(null); @SuppressWarnings("rawtypes") List types = result.types(); TypeDeclaration typeDec1 = (TypeDeclaration) types.get(0); if (typeDec1.getName().toString().equals(method.getReturnType2().toString())) { callWebServiceOperation(typeDec1, sb); } } } /** * create a code block to call web service operation * * @param typeDec * @param sb */ private void callWebServiceOperation(TypeDeclaration typeDec, StringBuffer sb) { sb.append(" System.out.println(\"" //$NON-NLS-1$ + "Call Web Service Operation...\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); MethodDeclaration methodDec[] = typeDec.getMethods(); // call web serivce Operation for (MethodDeclaration method : methodDec) { if (method.getReturnType2().toString().equals("void")) { //$NON-NLS-1$ sb.append(" System.out.println(\"Server said: "); //$NON-NLS-1$ sb.append("port").append(portNum).append("."); //$NON-NLS-1$//$NON-NLS-2$ sb.append(method.getName()).append("() is a void method!\");"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); } else { sb.append(" System.out.println(\"Server said: \" + "); //$NON-NLS-1$ sb.append("port").append(portNum).append("."); //$NON-NLS-1$ //$NON-NLS-2$ sb.append(method.getName()).append("("); //$NON-NLS-1$ boolean noNull = true; for (int j = 0; j < method.parameters().size(); j++) { noNull = createWebServiceOperationParameters(method.parameters(), sb, j) && noNull; } sb.append("));"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); if (!noNull) { sb.append(" //Please input the parameters instead of 'null' for the upper method!"); //$NON-NLS-1$ sb.append(LINE_SEPARATOR); sb.append(LINE_SEPARATOR); } } } } /** * create a code block used to create the parameters of a web service * operation * * @param list * @param sb * @param j */ @SuppressWarnings("static-access") private boolean createWebServiceOperationParameters(@SuppressWarnings("rawtypes") List list, StringBuffer sb, int j) { SingleVariableDeclaration para = (SingleVariableDeclaration) list.get(j); if (para.getType().isPrimitiveType()) { PrimitiveType type = (PrimitiveType) para.getType(); Code code = type.getPrimitiveTypeCode(); if (type.INT.equals(code)) { sb.append("Integer.parseInt(args["); //$NON-NLS-1$ } else if (type.BOOLEAN.equals(code)) { sb.append("Boolean.parseBoolean(args["); //$NON-NLS-1$ } else if (type.BYTE.equals(code)) { sb.append("Byte.parseByte(args["); //$NON-NLS-1$ } else if (type.SHORT.equals(code)) { sb.append("Short.parseShort((args["); //$NON-NLS-1$ } else if (type.LONG.equals(code)) { sb.append("Long.parseLong(args["); //$NON-NLS-1$ } else if (type.FLOAT.equals(code)) { sb.append("Float.parseFloat(args["); //$NON-NLS-1$ } else if (type.DOUBLE.equals(code)) { sb.append("Double.parseDouble(args["); //$NON-NLS-1$ } else { if (type.CHAR.equals(code)) { sb.append("args[").append(argsNum).append("]"); //$NON-NLS-1$ //$NON-NLS-2$ countArgs(j, sb, list); argsNum += 1; } return true; } sb.append(argsNum).append("])"); //$NON-NLS-1$ countArgs(j, sb, list); argsNum += 1; return true; } else if ("String".equals(para.getType().toString())) { //$NON-NLS-1$ sb.append("args[").append(argsNum).append("]"); //$NON-NLS-1$ //$NON-NLS-2$ countArgs(j, sb, list); argsNum += 1; return true; } if (list.get(j) instanceof Object) { sb.append("null"); //$NON-NLS-1$ countArgs(j, sb, list); return false; } return true; } private void countArgs(int j, StringBuffer sb, @SuppressWarnings("rawtypes") List list) { if (j != list.size() - 1) { sb.append(","); //$NON-NLS-1$ } } }