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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.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
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.IType;
import org.eclipse.jdt.core.ITypeHierarchy;
import org.eclipse.jdt.core.JavaCore;
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.ASTVisitor;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jdt.core.dom.ParameterizedType;
import org.eclipse.jdt.core.dom.TypeDeclaration;
import org.eclipse.jdt.ui.JavaElementLabelProvider;
import org.eclipse.jdt.ui.StandardJavaElementContentProvider;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.TreeViewerColumn;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.WizardPage;
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.jst.ws.internal.jaxws.ui.filters.NewHandlerChainViewerFilter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
public class OrderHandlerChainPage extends WizardPage {
private static final String LOGICAL_HANDLER = "javax.xml.ws.handler.LogicalHandler"; //$NON-NLS-1$
private static final String SOAP_HANDLER = "javax.xml.ws.handler.soap.SOAPHandler"; //$NON-NLS-1$
private IStatus ok_status = new Status(IStatus.OK, JAXWSUIPlugin.PLUGIN_ID, ""); //$NON-NLS-1$
private TreeViewer treeViewer;
private Document doc;
private Element root;
private IPath handlerChainPath;
private IJavaProject javaProject;
private boolean configure;
private String newHandlerClassName;
private String newHandlerType;
public OrderHandlerChainPage() {
super("order.handlerchain.wizard.page"); //$NON-NLS-1$
setTitle(JAXWSUIMessages.JAXWS_ORDER_HANDLER_WIZARD_PAGE_TITLE);
setDescription(JAXWSUIMessages.JAXWS_ORDER_HANDLER_WIZARD_PAGE_DESCRIPTION);
}
public OrderHandlerChainPage(IPath handlerChainPath, IJavaProject javaProject) {
this();
this.handlerChainPath = handlerChainPath;
this.javaProject = javaProject;
this.configure = true;
}
public Document getDocument() {
return doc;
}
public void refreshViewer() {
treeViewer.refresh();
}
public void setSelection(ISelection selection) {
treeViewer.setSelection(selection, true);
}
public void createControl(Composite parent) {
final Composite composite = new Composite(parent, SWT.NONE);
GridLayout gridLayout = new GridLayout(2, false);
composite.setLayout(gridLayout);
treeViewer = new TreeViewer(composite, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
treeViewer.getTree().setHeaderVisible(true);
treeViewer.getTree().setLinesVisible(true);
treeViewer.setContentProvider(new HandlerChainContentProvider());
TreeViewerColumn nameViewerColumn = new TreeViewerColumn(treeViewer, SWT.LEFT);
TreeColumn nameColumn = nameViewerColumn.getColumn();
nameColumn.setWidth(200);
nameColumn.setMoveable(false);
nameColumn.setText(JAXWSUIMessages.JAXWS_HANDLER_NAME_COLUMN);
nameViewerColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof Element) {
Element node = (Element) element;
if (node.getName().equals(JAXWSHandlerUtils.HANDLER)) {
Element handlerNameElement = node.getChild(JAXWSHandlerUtils.HANDLER_NAME, JAXWSHandlerUtils.JAVAEE_NS);
if (handlerNameElement != null) {
return handlerNameElement.getText().trim();
}
}
if (node.getName().equals(JAXWSHandlerUtils.HANDLER_CHAIN)) {
return node.getName();
}
}
return null;
}
@Override
public Image getImage(Object element) {
if (element instanceof Element) {
return PlatformUI.getWorkbench().getSharedImages().getImage(
org.eclipse.ui.ISharedImages.IMG_OBJ_FILE);
}
return null;
}
});
TreeViewerColumn classViewerColumn = new TreeViewerColumn(treeViewer, SWT.LEFT);
TreeColumn classColumn = classViewerColumn.getColumn();
classColumn.setWidth(200);
classColumn.setMoveable(false);
classColumn.setText(JAXWSUIMessages.JAXWS_HANDLER_CLASS_COLUMN);
classViewerColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof Element) {
Element node = (Element) element;
if (node.getName().equals(JAXWSHandlerUtils.HANDLER)) {
Element handlerNameElement = node.getChild(JAXWSHandlerUtils.HANDLER_CLASS, JAXWSHandlerUtils.JAVAEE_NS);
if (handlerNameElement != null) {
return handlerNameElement.getText().trim();
}
}
}
return null;
}
});
TreeViewerColumn typeViewerColumn = new TreeViewerColumn(treeViewer, SWT.LEFT);
TreeColumn typeColumn = typeViewerColumn.getColumn();
typeColumn.setWidth(100);
typeColumn.setMoveable(false);
typeColumn.setText(JAXWSUIMessages.JAXWS_HANDLER_TYPE_COLUMN);
typeViewerColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
if (element instanceof Element) {
Element node = (Element) element;
if (node.getName().equals(JAXWSHandlerUtils.HANDLER)) {
Element handlerClassElement = node.getChild(JAXWSHandlerUtils.HANDLER_CLASS, JAXWSHandlerUtils.JAVAEE_NS);
if (handlerClassElement != null) {
if (newHandlerClassName != null && newHandlerClassName.equals(handlerClassElement.getValue().trim())) {
return newHandlerType;
}
try {
IType handler = javaProject.findType(handlerClassElement.getText().trim());
if (handler != null) {
ITypeHierarchy typeHierarchy = handler.newTypeHierarchy(javaProject, null);
IType[] allInterfaces = typeHierarchy.getAllInterfaces();
for (IType aInterface : allInterfaces) {
if (aInterface.getFullyQualifiedName().equals(LOGICAL_HANDLER)) {
return JAXWSUIMessages.JAXWS_LOGICAL;
}
if (aInterface.getFullyQualifiedName().equals(SOAP_HANDLER)) {
return JAXWSUIMessages.JAXWS_PROTOCOL;
}
}
}
} catch (JavaModelException jme) {
JAXWSUIPlugin.log(jme.getStatus());
}
}
}
}
return null;
}
});
GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
gridData.verticalSpan = 6;
treeViewer.getTree().setLayoutData(gridData);
if (configure) {
Button addButton = new Button(composite, SWT.PUSH);
addButton.setText(JAXWSUIMessages.JAXWS_HANDLER_ADD);
gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
addButton.setLayoutData(gridData);
addButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(),
new JavaElementLabelProvider(), new StandardJavaElementContentProvider());
dialog.setTitle(JAXWSUIMessages.JAXWS_HANDLER_CONFIGURATION_HANDLER_DIALOG_TITLE);
dialog.setMessage(JAXWSUIMessages.JAXWS_HANDLER_CONFIGURATION_HANDLER_DIALOG_DESCRIPTION);
dialog.setAllowMultiple(false);
dialog.setInput(JavaCore.create(ResourcesPlugin.getWorkspace().getRoot()));
dialog.addFilter(new NewHandlerChainViewerFilter(javaProject, true, false));
dialog.setValidator(new ISelectionStatusValidator() {
public IStatus validate(Object[] selection) {
if (selection.length == 1) {
if (selection[0] instanceof ICompilationUnit) {
ICompilationUnit compilationUnit = (ICompilationUnit) selection[0];
if (isHandler(compilationUnit)) {
return ok_status;
} else {
return new Status(IStatus.ERROR, JAXWSUIPlugin.PLUGIN_ID,
JAXWSUIMessages.JAXWS_HANDLER_CONFIGURATION_HANDLER_DIALOG_INVALID);
}
}
}
return new Status(IStatus.ERROR, JAXWSUIPlugin.PLUGIN_ID, ""); //$NON-NLS-1$
}
});
if (dialog.open() == Window.OK) {
ICompilationUnit selectedHandler = (ICompilationUnit) dialog.getFirstResult();
addHandler(selectedHandler.findPrimaryType().getElementName(),
selectedHandler.findPrimaryType().getPackageFragment().getElementName());
}
}
});
Button removeButton = new Button(composite, SWT.PUSH);
removeButton.setText(JAXWSUIMessages.JAXWS_HANDLER_REMOVE);
gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
removeButton.setLayoutData(gridData);
removeButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
if (!selection.isEmpty()) {
Element selected = (Element) selection.getFirstElement();
if (selected.getName().equals(JAXWSHandlerUtils.HANDLER)) {
Element handlerChain = (Element) selected.getParent();
if (handlerChain != null) {
handlerChain.removeContent(selected);
treeViewer.refresh();
}
}
}
}
});
}
Button moveUpButton = new Button(composite, SWT.PUSH);
moveUpButton.setText(JAXWSUIMessages.JAXWS_HANDLER_MOVE_UP);
gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
moveUpButton.setLayoutData(gridData);
moveUpButton.addSelectionListener(new SelectionAdapter() {
@Override
@SuppressWarnings("unchecked")
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
if (!selection.isEmpty()) {
Element selected = (Element) selection.getFirstElement();
Element parent = (Element) selected.getParent();
List children = parent.getChildren();
int index = children.indexOf(selected);
if (index > 0) {
children.remove(selected);
children.add(index - 1, selected);
} else if (index == 0) {
Element root = (Element) parent.getParent();
List handlerChains = root.getChildren();
int topIndex = handlerChains.indexOf(parent);
if (topIndex > 0 && handlerChains.get(topIndex - 1) != null) {
children.remove(selected);
Element topChild = (Element) handlerChains.get(topIndex - 1);
topChild.getChildren().add(topChild.getChildren().size(), selected);
}
}
treeViewer.refresh();
}
}
});
Button moveDownButton = new Button(composite, SWT.PUSH);
moveDownButton.setText(JAXWSUIMessages.JAXWS_HANDLER_MOVE_DOWN);
gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
moveDownButton.setLayoutData(gridData);
moveDownButton.addSelectionListener(new SelectionAdapter() {
@Override
@SuppressWarnings("unchecked")
public void widgetSelected(SelectionEvent e) {
IStructuredSelection selection = (IStructuredSelection) treeViewer.getSelection();
if (!selection.isEmpty()) {
Element selected = (Element) selection.getFirstElement();
Element parent = (Element) selected.getParent();
List children = parent.getChildren();
int index = children.indexOf(selected);
if (index >= 0 && index < children.size() - 1) {
children.remove(selected);
children.add(index + 1, selected);
} else if (index == children.size() - 1) {
Element root = (Element) parent.getParent();
List handlerChains = root.getChildren();
int hIndex = handlerChains.indexOf(parent);
if (hIndex >= 0 && hIndex < handlerChains.size() - 1 && handlerChains.get(hIndex + 1) != null) {
children.remove(selected);
Element topChild = (Element) handlerChains.get(hIndex + 1);
topChild.getChildren().add(0, selected);
}
}
treeViewer.refresh();
}
}
});
if (handlerChainPath != null) {
setInput(handlerChainPath);
}
treeViewer.expandAll();
composite.pack();
setControl(composite);
Dialog.applyDialogFont(composite);
}
@Override
public void setVisible(boolean visible) {
super.setVisible(visible);
if (visible) {
setInput(handlerChainPath);
}
}
public void setHandlerChainPath(IPath handlerChainPath) {
this.handlerChainPath = handlerChainPath;
}
private boolean isHandler(ICompilationUnit source) {
final List<String> interfaces = new ArrayList<String>();
ASTParser parser = ASTParser.newParser(AST.JLS3);
parser.setSource(source);
parser.setResolveBindings(true);
CompilationUnit compilationUnit = (CompilationUnit) parser.createAST(null);
compilationUnit.accept(new ASTVisitor() {
@Override
public boolean visit(TypeDeclaration typeDeclaration) {
@SuppressWarnings("unchecked")
List superInterfaces = typeDeclaration.superInterfaceTypes();
for (Object object : superInterfaces) {
if (object instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) object;
ITypeBinding binding = parameterizedType.resolveBinding();
if (binding != null) {
String qualifiedName = binding.getErasure().getQualifiedName();
if (qualifiedName.equals(LOGICAL_HANDLER) || qualifiedName.equals(SOAP_HANDLER)) {
interfaces.add(qualifiedName);
break;
}
}
}
}
return false;
}
});
return interfaces.size() > 0;
}
public void setInput(IPath handlerChainPath) {
if (handlerChainPath == null) {
return;
}
if (!handlerChainPath.isEmpty()) {
try {
IFile handlerChainFile = ResourcesPlugin.getWorkspace().getRoot().getFile(handlerChainPath);
if (handlerChainFile.getFileExtension().equals("xml")) { //$NON-NLS-1$
if (handlerChainFile.exists() && JAXWSHandlerUtils.isHandlerChainFile(handlerChainFile)) {
FileInputStream handlerInputStream = new FileInputStream(handlerChainFile.getLocation().toFile());
SAXBuilder builder = new SAXBuilder();
doc = builder.build(handlerInputStream);
root = doc.getRootElement();
treeViewer.setInput(root);
treeViewer.expandAll();
} else {
JAXWSHandlerUtils.createHandlerChainFile(handlerChainPath);
setInput(handlerChainPath);
}
}
} catch (IOException ioe) {
JAXWSUIPlugin.log(ioe);
} catch (JDOMException jdome) {
JAXWSUIPlugin.log(jdome);
}
}
}
public void setJavaProject(IJavaProject javaProject) {
this.javaProject = javaProject;
}
public void addHandler(String newHandlerName, String packageName) {
if (root != null) {
Element handlerChainElement = root.getChild(JAXWSHandlerUtils.HANDLER_CHAIN, JAXWSHandlerUtils.JAVAEE_NS);
if (handlerChainElement == null) {
handlerChainElement = new Element(JAXWSHandlerUtils.HANDLER_CHAIN, JAXWSHandlerUtils.JAVAEE_NS);
root.addContent(handlerChainElement);
}
Element handlerElement = new Element(JAXWSHandlerUtils.HANDLER, JAXWSHandlerUtils.JAVAEE_NS);
Element handlerNameElement = new Element(JAXWSHandlerUtils.HANDLER_NAME, JAXWSHandlerUtils.JAVAEE_NS);
handlerNameElement.setText(newHandlerName);
Element handlerClassElement = new Element(JAXWSHandlerUtils.HANDLER_CLASS, JAXWSHandlerUtils.JAVAEE_NS);
if (packageName.trim().length() > 0) {
handlerClassElement.setText(packageName + "." + newHandlerName);
} else {
handlerClassElement.setText(newHandlerName);
}
handlerElement.addContent(handlerNameElement);
handlerElement.addContent(handlerClassElement);
handlerChainElement.addContent(handlerElement);
treeViewer.refresh();
treeViewer.setSelection(new StructuredSelection(handlerElement));
}
}
public void addHandler(String newHandlerName, String packageName, String newHandlerType) {
addHandler(newHandlerName, packageName);
this.newHandlerClassName = packageName + "." + newHandlerName;
this.newHandlerType = newHandlerType;
if (newHandlerType.equals(JAXWSUIMessages.JAXWS_LOGICAL_HANDLER)) {
this.newHandlerType = JAXWSUIMessages.JAXWS_LOGICAL;
} else if (newHandlerType.equals(JAXWSUIMessages.JAXWS_SOAP_HANDLER)) {
this.newHandlerType = JAXWSUIMessages.JAXWS_PROTOCOL;
}
}
private class HandlerChainContentProvider implements ITreeContentProvider {
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof Element) {
Element element = (Element) parentElement;
return element.getChildren().toArray();
}
return new Object[] {};
}
public Object getParent(Object element) {
if (element instanceof Element) {
Element node = (Element) element;
return node.getParent();
}
return null;
}
public boolean hasChildren(Object element) {
if (element instanceof Element) {
Element node = (Element) element;
if (node.getName().equals(JAXWSHandlerUtils.HANDLER_CHAIN)) {
return node.getChildren().size() > 0;
}
}
return false;
}
public Object[] getElements(Object inputElement) {
if (inputElement instanceof Element) {
Element element = (Element) inputElement;
return element.getChildren().toArray();
}
return new Object[] {};
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
}
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