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/*******************************************************************************
* Copyright (c) 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are 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:
* IBM Corporation - initial API and implementation
* yyyymmdd bug Email and other contact information
* -------- -------- -----------------------------------------------------------
* 20060404 134913 sengpl@ca.ibm.com - Seng Phung-Lu
* 20060517 142027 sengpl@ca.ibm.com - Seng Phung-Lu
*******************************************************************************/
package org.eclipse.jst.ws.internal.consumption.ui.command;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jst.ws.internal.common.ResourceUtils;
import org.eclipse.jst.ws.internal.consumption.ui.ConsumptionUIMessages;
import org.eclipse.jst.ws.internal.consumption.ui.common.HandlerDescriptionHolder;
import org.eclipse.jst.ws.internal.consumption.ui.common.HandlerServiceRefHolder;
import org.eclipse.jst.ws.internal.consumption.ui.widgets.object.HandlerTableItem;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.command.internal.env.common.FileResourceUtils;
import org.eclipse.wst.command.internal.env.core.common.StatusUtils;
import org.eclipse.wst.command.internal.env.ui.eclipse.EnvironmentUtils;
import org.eclipse.wst.common.environment.IEnvironment;
import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation;
public class GenerateHandlerSkeletonCommand extends AbstractDataModelOperation
{
private IPath outputLocation_;
private boolean genSkeleton_;
private String handlerNameForEdit_ = null;
private HandlerServiceRefHolder[] handlerServiceRefHolder_;
private HandlerDescriptionHolder[]handlerDescriptionHolder_;
public GenerateHandlerSkeletonCommand()
{
}
public IStatus execute( IProgressMonitor monitor, IAdaptable adaptable )
{
IStatus returnStatus = Status.OK_STATUS;
if (!genSkeleton_) return returnStatus;
// form the map of classname to locations
if (handlerDescriptionHolder_!=null){
for (int i=0;i<handlerDescriptionHolder_.length;i++){
Hashtable handlerTable = new Hashtable();
IPath outPath = handlerDescriptionHolder_[i].getSourceOutputPath();
List handlers = handlerDescriptionHolder_[i].getHandlerList();
for (int j=0;j<handlers.size();j++){
HandlerTableItem hti = (HandlerTableItem)handlers.get(j);
String className = hti.getHandlerClassName();
if (className!=null && outPath!=null)
handlerTable.put(className, outPath);
}
returnStatus = genHandlersClasses(handlerTable, monitor);
}
}
else {
for (int i=0;i<handlerServiceRefHolder_.length;i++){
Hashtable handlerTable = new Hashtable();
IPath outPath = handlerServiceRefHolder_[i].getSourceOutputPath();
List handlers = handlerServiceRefHolder_[i].getHandlerList();
for (int j=0;j<handlers.size();j++){
HandlerTableItem hti = (HandlerTableItem)handlers.get(j);
String className = hti.getHandlerClassName();
if (className!=null && outPath!=null)
handlerTable.put(className, outPath);
}
returnStatus = genHandlersClasses(handlerTable, monitor);
}
}
return returnStatus;
}
private IStatus genHandlersClasses(Hashtable handlersForGen, IProgressMonitor monitor){
IEnvironment env = getEnvironment();
MultiStatus status = null;
IStatus returnStatus = Status.OK_STATUS;
boolean error = false;
IStatus writeStatus;
Enumeration keys = handlersForGen.keys();
while (keys.hasMoreElements()) {
String className = (String)keys.nextElement();
writeStatus = writeFile(env, className, (IPath)handlersForGen.get(className), monitor );
// handle status return
if (writeStatus.getSeverity() == Status.ERROR) { // write status is OK or ERROR
error = true;
if (status == null) {
status = StatusUtils.multiStatus( ConsumptionUIMessages.MSG_ERROR_GENERATE_HANDLER_SKELETON, new IStatus[0] );
}
status.add(writeStatus);
}
}
if (error)
{
env.getStatusHandler().reportError(status);
returnStatus = status;
}
return returnStatus;
}
private IStatus writeFile (IEnvironment env, String className, IPath outputLocation, IProgressMonitor monitor )
{
IStatus status = Status.OK_STATUS;
int index;
String simpleClassName = className;
String packageName = null;
IPath filePath = outputLocation;
if (className != null) {
index = className.lastIndexOf('.');
if (index != -1) {
simpleClassName = className.substring(index + 1);
packageName = className.substring(0, index);
String packageSegment = packageName;
int j = 0;
j = packageSegment.indexOf('.');
while (j != -1) {
filePath = filePath.append(packageSegment.substring(0, j));
packageSegment = packageSegment.substring(j + 1);
j = packageSegment.indexOf('.');
}
filePath = filePath.append(packageSegment);
}
else {
packageName = "";
}
}
filePath = filePath.append(simpleClassName);
filePath = filePath.addFileExtension("java");
// check if Handler already exists; do not overwrite existing Handlers
IResource workspaceRes = ResourceUtils.findResource(filePath);
if (workspaceRes!=null && workspaceRes.exists()) {
return status;
}
if (handlerNameForEdit_ == null){
handlerNameForEdit_ = className;
outputLocation_ = outputLocation;
}
OutputStream outputStream = FileResourceUtils.newFileOutputStream( EnvironmentUtils.getResourceContext(env), filePath, monitor, env.getStatusHandler());
// create buffered writer for writing file
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(outputStream));
try {
if (packageName.length() != 0) {
bw.write("package " +packageName+";");
bw.newLine();
bw.newLine();
}
bw.write("import javax.xml.rpc.handler.GenericHandler;");
bw.newLine();
bw.write("import javax.xml.rpc.handler.MessageContext;");
bw.newLine();
bw.write("import javax.xml.namespace.QName;");
bw.newLine();
bw.newLine();
bw.write("public class "+simpleClassName+" extends GenericHandler");
bw.newLine();
bw.write("{");
bw.newLine();
bw.newLine();
bw.write(" public QName[] getHeaders ()");
bw.newLine();
bw.write(" {");
bw.newLine();
bw.write(" // Fill in method body");
bw.newLine();
bw.write(" return null;");
bw.newLine();
bw.write(" }");
bw.newLine();
bw.newLine();
bw.write(" public boolean handleRequest( MessageContext context )");
bw.newLine();
bw.write(" {");
bw.newLine();
bw.write(" // Fill in method body or delete method to use GenericHandler");
bw.newLine();
bw.write(" return true;");
bw.newLine();
bw.write(" }");
bw.newLine();
bw.newLine();
bw.write(" public boolean handleResponse( MessageContext context )");
bw.newLine();
bw.write(" {");
bw.newLine();
bw.write(" // Fill in method body or delete method to use GenericHandler ");
bw.newLine();
bw.write(" return true;");
bw.newLine();
bw.write(" }");
bw.newLine();
bw.newLine();
bw.write(" public boolean handleFault( MessageContext context )");
bw.newLine();
bw.write(" {");
bw.newLine();
bw.write(" // Fill in method body or delete method to use GenericHandler");
bw.newLine();
bw.write(" return true;");
bw.newLine();
bw.write(" }");
bw.newLine();
bw.newLine();
bw.write("}");
bw.close();
status = Status.OK_STATUS;
}
catch (IOException e)
{
status = StatusUtils.errorStatus( NLS.bind(ConsumptionUIMessages.MSG_ERROR_WRITE_FILE, new String[]{ className }), e );
if (bw != null) {
try {
bw.close();
} catch (IOException e1) {
}
}
}
return status;
}
public void setGenSkeletonEnabled(boolean genSkeleton)
{
this.genSkeleton_ = genSkeleton;
}
public IProject getProject(){
IProject project = null;
if (outputLocation_!=null){
project = ResourceUtils.getProjectOf(outputLocation_);
}
return project;
}
public List getClassNames(){
List classes = new ArrayList();
if (handlerNameForEdit_!=null){
classes.add(handlerNameForEdit_);
}
return classes;
}
/**
* An array of HandlerDescriptionHolders
* @return
*/
public void setHandlerServiceRefHolder(HandlerServiceRefHolder[] handlerHolders){
this.handlerServiceRefHolder_ = handlerHolders;
}
/**
* An array of HandlerDescriptionHolders
* @return
*/
public void setHandlerDescriptionHolders(HandlerDescriptionHolder[] handlerHolders){
this.handlerDescriptionHolder_ = handlerHolders;
}
}
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