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/*******************************************************************************
* Copyright (c) 2010 Shane Clarke.
* 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:
* Shane Clarke - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.ws.internal.jaxws.ui.wizards;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
import javax.jws.HandlerChain;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.emf.common.util.URI;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTParser;
import org.eclipse.jdt.core.dom.Annotation;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.MemberValuePair;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jst.ws.annotations.core.AnnotationsCore;
import org.eclipse.jst.ws.annotations.core.utils.AnnotationUtils;
import org.eclipse.jst.ws.internal.jaxws.core.utils.JAXWSHandlerUtils;
import org.eclipse.jst.ws.internal.jaxws.ui.JAXWSUIMessages;
import org.eclipse.jst.ws.internal.jaxws.ui.JAXWSUIPlugin;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
public class ConfigureHandlerWizard extends Wizard {
private AddHandlerChainPage addHandlerChainPage;
private OrderHandlerChainPage orderHandlerChainPage;
private boolean fileCreated;
private boolean addAnnotation;
private IPath handlerChainPath;
private IType type;
public ConfigureHandlerWizard(IType type) {
this.type = type;
setWindowTitle(JAXWSUIMessages.JAXWS_CONFIGURE_HANDLER_WIZARD_TITLE);
//TODO replace with dedicated handler wizban
setDefaultPageImageDescriptor(JAXWSUIPlugin.getImageDescriptor("$nl$/icons/wizban/new_wiz.png")); //$NON-NLS-1$
handlerChainPath = getHandlerChainPath(type);
}
@Override
public void addPages() {
if (addHandlerChainPage == null) {
addHandlerChainPage = new AddHandlerChainPage(type);
}
if (orderHandlerChainPage == null) {
orderHandlerChainPage = new OrderHandlerChainPage(handlerChainPath, type.getJavaProject());
}
if (handlerChainPath != null && handlerChainPath.isEmpty()) {
addPage(addHandlerChainPage);
}
addPage(orderHandlerChainPage);
}
@Override
public IWizardPage getNextPage(IWizardPage page) {
if (page == addHandlerChainPage && addHandlerChainPage.isPageComplete()) {
if (addHandlerChainPage.isCreateHandlerChain()) {
handlerChainPath = new Path(addHandlerChainPage.getNewHandlerChainPath());
orderHandlerChainPage.setHandlerChainPath(handlerChainPath);
addAnnotation = true;
fileCreated = true;
addHandlerChainPage.setFileCreated(fileCreated);
}
if (addHandlerChainPage.isEditHandlerChain()) {
handlerChainPath = new Path(addHandlerChainPage.getExistingHandlerChainPath());
orderHandlerChainPage.setHandlerChainPath(handlerChainPath);
addAnnotation = true;
fileCreated = false;
addHandlerChainPage.setFileCreated(fileCreated);
}
}
return super.getNextPage(page);
}
private IPath getHandlerChainPath(IType type) {
if (type != null) {
Annotation handlerChain = AnnotationUtils.getAnnotation(type, HandlerChain.class);
if (handlerChain != null) {
String file = AnnotationUtils.getStringValue(handlerChain, "file"); //$NON-NLS-1$
if (file != null) {
if (!file.startsWith("../")) { //$NON-NLS-1$
return type.getPackageFragment().getPath().append(new Path(file));
} else {
return findHandlerChainPath(file);
}
}
}
}
return Path.EMPTY;
}
private IPath findHandlerChainPath(String file) {
IContainer container = type.getResource().getParent();
if (container != null) {
while(file.startsWith("../")) { //$NON-NLS-1$
file = file.substring(3);
if (container != null) {
container = container.getParent();
}
}
if (container != null) {
IResource handlerChainFile = container.findMember(file);
if (handlerChainFile != null) {
return handlerChainFile.getFullPath();
}
}
}
return Path.EMPTY;
}
@Override
public boolean performFinish() {
try {
ISchedulingRule rule = null;
Job job = Job.getJobManager().currentJob();
if (job != null) {
rule = job.getRule();
} else {
rule = ResourcesPlugin.getWorkspace().getRoot();
}
WorkspaceModifyOperation workspaceModifyOperation = new WorkspaceModifyOperation(rule) {
@Override
protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException, InterruptedException {
if (addAnnotation) {
IFile handlerChainFile = ResourcesPlugin.getWorkspace().getRoot().getFile(handlerChainPath);
URI relativeURI = URI.createPlatformResourceURI(handlerChainFile.getLocation().toOSString(),
false).deresolve(
URI.createPlatformResourceURI(type.getResource().getLocation().toOSString(),
false));
ICompilationUnit compilationUnit = type.getCompilationUnit();
ASTParser parser = ASTParser.newParser(AST.JLS3);
parser.setSource(compilationUnit);
CompilationUnit cu = (CompilationUnit)parser.createAST(null);
List<MemberValuePair> memberValuePairs = new ArrayList<MemberValuePair>();
MemberValuePair filePair = AnnotationsCore.createStringMemberValuePair(cu.getAST(),
"file", relativeURI.toFileString()); //$NON-NLS-1$
memberValuePairs.add(filePair);
Annotation handlerChainAnnotation = AnnotationsCore.createNormalAnnotation(cu.getAST(),
HandlerChain.class.getSimpleName(), memberValuePairs);
AnnotationUtils.addAnnotation(type, handlerChainAnnotation);
AnnotationUtils.addImport(type, HandlerChain.class.getCanonicalName());
}
JAXWSHandlerUtils.writeDocumentToFile(handlerChainPath, orderHandlerChainPage.getDocument());
}
};
PlatformUI.getWorkbench().getProgressService().runInUI(getContainer(), workspaceModifyOperation, rule);
} catch (InvocationTargetException ite) {
JAXWSUIPlugin.log(ite);
return false;
} catch (InterruptedException ie) {
JAXWSUIPlugin.log(ie);
return false;
}
return true;
}
public void deleteFile(IPath filePath) {
IFile handlerFile = ResourcesPlugin.getWorkspace().getRoot().getFile(filePath);
if (handlerFile.exists()) {
try {
handlerFile.delete(true, null);
} catch (CoreException ce) {
JAXWSUIPlugin.log(ce.getStatus());
}
}
}
@Override
public boolean performCancel() {
if (fileCreated) {
IPath filePath = type.getPackageFragment().getPath().append(new Path("handler-chain.xml")); //$NON-NLS-1$
deleteFile(filePath);
}
return super.performCancel();
}
}
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