Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2012 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 *******************************************************************************/ package org.eclipse.wst.server.ui.internal.wizard.page; import java.lang.reflect.InvocationTargetException; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.debug.core.ILaunchManager; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.operation.IRunnableWithProgress; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.StackLayout; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.help.IWorkbenchHelpSystem; import org.eclipse.wst.server.core.IModule; import org.eclipse.wst.server.core.IModuleType; import org.eclipse.wst.server.core.IRuntime; import org.eclipse.wst.server.core.IServer; import org.eclipse.wst.server.core.IServerAttributes; import org.eclipse.wst.server.core.IServerType; import org.eclipse.wst.server.core.IServerWorkingCopy; import org.eclipse.wst.server.core.TaskModel; import org.eclipse.wst.server.core.ServerCore; import org.eclipse.wst.server.core.ServerUtil; import org.eclipse.wst.server.ui.internal.*; import org.eclipse.wst.server.ui.internal.viewers.ServerComposite; import org.eclipse.wst.server.ui.internal.wizard.WizardTaskUtil; import org.eclipse.wst.server.ui.wizard.IWizardHandle; /** * A wizard page used to select a server. */ public class NewServerComposite extends Composite { protected IWizardHandle wizard; protected TaskModel taskModel; protected IModule module; protected IModuleType moduleType; protected String serverTypeId; protected String launchMode; protected static final byte MODE_EXISTING = WizardTaskUtil.MODE_EXISTING; protected static final byte MODE_DETECT = WizardTaskUtil.MODE_DETECT; protected static final byte MODE_MANUAL = WizardTaskUtil.MODE_MANUAL; protected byte mode; protected Composite detectComp2; protected NewDetectServerComposite detectComp; protected HostnameComposite detectHostComp; protected Composite manualComp2; protected NewManualServerComposite manualComp; protected HostnameComposite manualHostComp; protected ServerComposite existingComp; protected Composite stack; protected StackLayout stackLayout; protected String lastHostname; protected IServerWorkingCopy existingWC; /** * Create a new NewServerComposite. * * @param parent a parent composite * @param wizard a wizard handle * @param moduleType a module type, or null * @param serverTypeId a server type id, or null * @param launchMode a launch mode */ public NewServerComposite(Composite parent, IWizardHandle wizard, IModuleType moduleType, String serverTypeId, String launchMode) { super(parent, SWT.NONE); this.wizard = wizard; this.moduleType = moduleType; this.serverTypeId = serverTypeId; this.launchMode = launchMode; wizard.setTitle(Messages.wizNewServerTitle); wizard.setDescription(Messages.wizNewServerDescription); wizard.setImageDescriptor(ImageResource.getImageDescriptor(ImageResource.IMG_WIZBAN_NEW_SERVER)); createControl(); } /** * Create a new NewServerComposite. * * @param parent a parent composite * @param wizard a wizard handle * @param module a module * @param launchMode a launch mode */ public NewServerComposite(Composite parent, IWizardHandle wizard, IModule module, String launchMode) { super(parent, SWT.NONE); this.wizard = wizard; this.module = module; this.launchMode = launchMode; wizard.setTitle(Messages.wizNewServerTitle); wizard.setDescription(Messages.wizNewServerDescription); wizard.setImageDescriptor(ImageResource.getImageDescriptor(ImageResource.IMG_WIZBAN_NEW_SERVER)); createControl(); } protected Label createLabel(Composite parent, String text, int span) { Label label = new Label(parent, SWT.WRAP); label.setText(text); GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING); data.horizontalSpan = span; label.setLayoutData(data); return label; } protected Label createLabel(Composite parent, String text) { return createLabel(parent, text, 1); } protected Button createRadioButton(Composite parent, String text, int span) { Button button = new Button(parent, SWT.RADIO); button.setText(text); GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING); data.horizontalSpan = span; data.horizontalIndent = 10; button.setLayoutData(data); return button; } protected Text createText(Composite parent, String text2, int span) { Text text = new Text(parent, SWT.NONE); text.setText(text2); GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING); data.horizontalSpan = span; text.setLayoutData(data); return text; } /** * Creates the UI of the page. */ protected void createControl() { GridLayout layout = new GridLayout(); layout.horizontalSpacing = SWTUtil.convertHorizontalDLUsToPixels(this, 4); layout.verticalSpacing = SWTUtil.convertVerticalDLUsToPixels(this, 4); setLayout(layout); IWorkbenchHelpSystem whs = PlatformUI.getWorkbench().getHelpSystem(); whs.setHelp(this, ContextIds.NEW_SERVER_WIZARD); if (module != null) { if (ILaunchManager.DEBUG_MODE.equals(launchMode)) wizard.setTitle(Messages.wizDebugOnServerTitle); else if (ILaunchManager.PROFILE_MODE.equals(launchMode)) wizard.setTitle(Messages.wizProfileOnServerTitle); else wizard.setTitle(Messages.wizRunOnServerTitle); wizard.setDescription(Messages.wizNewServerRunOnServerDescription); createLabel(this, Messages.wizNewServerSelect, 1); } Button existing = null; if (module != null) { final Button predefined = createRadioButton(this, Messages.wizNewServerExisting, 1); predefined.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { if (predefined.getSelection()) toggleMode(MODE_EXISTING); } }); existing = predefined; } /*final Button auto = createRadioButton(this, Messages.wizNewServerDetect"), 1); auto.setEnabled(false); auto.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { if (auto.getSelection()) toggleMode(MODE_DETECT); } });*/ Button manual = null; if (module != null) { final Button manualButton = createRadioButton(this, Messages.wizNewServerManual, 1); manualButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { if (manualButton.getSelection()) toggleMode(MODE_MANUAL); } }); manual = manualButton; } stack = new Composite(this, SWT.NONE); GridData data = new GridData(GridData.FILL_BOTH); stack.setLayoutData(data); stackLayout = new StackLayout(); stackLayout.marginHeight = 0; stackLayout.marginWidth = 0; stack.setLayout(stackLayout); if (module != null) createExistingComposite(stack); createAutoComposite(stack); createManualComposite(stack); if (existingComp != null && existing != null) { if (isExistingServer()) { mode = MODE_EXISTING; stackLayout.topControl = existingComp; existing.setSelection(true); } else { mode = MODE_MANUAL; stackLayout.topControl = manualComp2; manualComp.setVisible(true); if (manual != null) manual.setSelection(true); existing.setEnabled(false); existingComp.setEnabled(false); } } else { mode = MODE_MANUAL; stackLayout.topControl = manualComp2; manualComp.setVisible(true); if (manual != null) manual.setSelection(true); } if (module != null) { // preferred server button final Button pref = new Button(this, SWT.CHECK | SWT.WRAP); pref.setText(Messages.wizSelectServerPreferred); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_END); pref.setLayoutData(data); pref.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { taskModel.putObject(WizardTaskUtil.TASK_DEFAULT_SERVER, new Boolean(pref.getSelection())); } }); PlatformUI.getWorkbench().getHelpSystem().setHelp(pref, ContextIds.SELECT_SERVER_PREFERENCE); } Dialog.applyDialogFont(this); } protected void toggleMode(byte newMode) { if (!isVisible()) return; if (newMode == mode) return; mode = newMode; wizard.setMessage(null, IMessageProvider.NONE); if (mode == MODE_EXISTING) { stackLayout.topControl = existingComp; existingComp.setSelection(existingComp.getSelectedServer()); } else if (mode == MODE_DETECT) { stackLayout.topControl = detectComp2; detectComp.setVisible(true); } else { stackLayout.topControl = manualComp2; manualComp.setVisible(true); } stack.layout(); if (taskModel != null) { taskModel.putObject(WizardTaskUtil.TASK_MODE, new Byte(mode)); updateTaskModel(); } } protected HostnameComposite createHostComposite(Composite comp) { HostnameComposite hostComp = new HostnameComposite(comp, new HostnameComposite.IHostnameSelectionListener() { public void hostnameSelected(String host) { lastHostname = host; if (detectComp != null) detectComp.setHost(host); if (manualComp != null) manualComp.setHost(host); } }); if (lastHostname != null) hostComp.setHostname(lastHostname); GridData data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 3; hostComp.setLayoutData(data); return hostComp; } protected void createAutoComposite(Composite comp) { detectComp2 = new Composite(comp, SWT.NONE); GridLayout layout = new GridLayout(); layout.horizontalSpacing = SWTUtil.convertHorizontalDLUsToPixels(this, 4); layout.verticalSpacing = SWTUtil.convertVerticalDLUsToPixels(this, 4); layout.marginWidth = 0; layout.marginHeight = 0; layout.numColumns = 1; detectComp2.setLayout(layout); detectHostComp = createHostComposite(detectComp2); detectComp = new NewDetectServerComposite(detectComp2, new NewDetectServerComposite.IServerSelectionListener() { public void serverSelected(IServerAttributes server) { // do nothing } }); if (lastHostname != null) detectComp.setHost(lastHostname); else detectComp.setHost("localhost"); GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL); data.horizontalSpan = 3; data.heightHint = 150; detectComp.setLayoutData(data); } protected void createExistingComposite(Composite comp) { existingComp = new ServerComposite(comp, new ServerComposite.ServerSelectionListener() { public void serverSelected(IServer server) { wizard.setMessage(null, IMessageProvider.NONE); // check for compatibility if (server != null && module != null) { IStatus status = isSupportedModule(server, module); if (status != null) { if (status.getSeverity() == IStatus.ERROR) { wizard.setMessage(status.getMessage(), IMessageProvider.ERROR); server = null; } else if (status.getSeverity() == IStatus.WARNING) wizard.setMessage(status.getMessage(), IMessageProvider.WARNING); else if (status.getSeverity() == IStatus.INFO) wizard.setMessage(status.getMessage(), IMessageProvider.INFORMATION); } } if (existingWC != null) { if (server != null && server.equals(existingWC.getOriginal())) return; existingWC = null; } if (server != null) existingWC = server.createWorkingCopy(); updateTaskModel(); } }, module, launchMode); existingComp.setIncludeIncompatibleVersions(true); GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_FILL); data.horizontalSpan = 3; data.heightHint = 150; existingComp.setLayoutData(data); } /** * Returns the status of whether the given module could be added to the server. * * @param server a server * @param module a module * @return an IStatus representing the error or warning, or null if there are no problems */ protected static IStatus isSupportedModule(IServerAttributes server, IModule module) { if (server != null && module != null) { IServerType serverType = server.getServerType(); IModuleType mt = module.getModuleType(); if (!ServerUtil.isSupportedModule(serverType.getRuntimeType().getModuleTypes(), mt)) { String type = mt.getName(); return new Status(IStatus.ERROR, ServerUIPlugin.PLUGIN_ID, NLS.bind(Messages.errorVersionLevel, new Object[] { type, mt.getVersion() })); } IModule[] rootModules = null; try { rootModules = server.getRootModules(module, null); } catch (CoreException ce) { return ce.getStatus(); } catch (Exception e) { if (Trace.WARNING) { Trace.trace(Trace.STRING_WARNING, "Could not find root module", e); } } if (rootModules != null) { if (rootModules.length == 0) return new Status(IStatus.ERROR, ServerUIPlugin.PLUGIN_ID, Messages.errorRootModule); int size = rootModules.length; IStatus status = null; boolean found = false; for (int i = 0; i < size; i++) { try { if (server != null) status = server.canModifyModules(new IModule[] { rootModules[i] }, null, null); if (status != null && status.isOK()) found = true; } catch (Exception e) { if (Trace.WARNING) { Trace.trace(Trace.STRING_WARNING, "Could not find root module", e); } } } if (!found && status != null) return status; } } return null; } protected boolean isExistingServer() { if (module == null || launchMode == null) return false; IServer[] servers = ServerCore.getServers(); if (servers != null) { int size = servers.length; for (int i = 0; i < size; i++) { IModuleType mt = module.getModuleType(); if (ServerUIPlugin.isCompatibleWithLaunchMode(servers[i], launchMode) && ServerUtil .isSupportedModule(servers[i].getServerType().getRuntimeType().getModuleTypes(), mt)) return true; } } return false; } protected void createManualComposite(Composite comp) { manualComp2 = new Composite(comp, SWT.NONE); GridLayout layout = new GridLayout(); layout.horizontalSpacing = SWTUtil.convertHorizontalDLUsToPixels(this, 4); layout.verticalSpacing = SWTUtil.convertVerticalDLUsToPixels(this, 4); layout.marginWidth = 0; layout.marginHeight = 0; layout.numColumns = 1; manualComp2.setLayout(layout); manualComp2.setLayoutData(new GridData(GridData.FILL_BOTH)); IModuleType mt = moduleType; boolean includeIncompatible = true; if (moduleType != null) includeIncompatible = false; if (module != null) mt = module.getModuleType(); manualComp = new NewManualServerComposite(manualComp2, new NewManualServerComposite.IWizardHandle2() { public void run(boolean fork, boolean cancelable, IRunnableWithProgress runnable) throws InterruptedException, InvocationTargetException { wizard.run(fork, cancelable, runnable); } public void update() { wizard.update(); } public void setMessage(String newMessage, int newType) { wizard.setMessage(newMessage, newType); } }, mt, module, serverTypeId, includeIncompatible, new NewManualServerComposite.ServerSelectionListener() { public void serverSelected(IServerAttributes server) { updateTaskModel(); } public void runtimeSelected(IRuntime runtime) { updateTaskModel(); } }); if (lastHostname != null) manualComp.setHost(lastHostname); else manualComp.setHost("localhost"); GridData data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 3; data.heightHint = 360; manualComp.setLayoutData(data); } public NewManualServerComposite getNewManualServerComposite() { return manualComp; } protected void updateTaskModel() { if (taskModel != null) { IServerWorkingCopy server = getServer(); if (server != null) { taskModel.putObject(TaskModel.TASK_SERVER, server); taskModel.putObject(TaskModel.TASK_RUNTIME, server.getRuntime()); } else { taskModel.putObject(TaskModel.TASK_SERVER, null); taskModel.putObject(TaskModel.TASK_RUNTIME, null); } } wizard.update(); } public void setTaskModel(TaskModel model) { taskModel = model; taskModel.putObject(WizardTaskUtil.TASK_MODE, new Byte(mode)); updateTaskModel(); } public IServerWorkingCopy getServer() { if (mode == MODE_EXISTING) return existingWC; //existingComp.getSelectedServer(); else if (mode == MODE_DETECT) return detectComp.getServer(); else return manualComp.getServer(); } public IRuntime getRuntime() { if (mode == MODE_EXISTING) { IServer server = existingComp.getSelectedServer(); if (server != null) return server.getRuntime(); return null; } else if (mode == MODE_DETECT) return null; else return manualComp.getRuntime(); } public void setVisible(boolean visible) { super.setVisible(visible); Control[] c = getChildren(); if (c != null) { int size = c.length; for (int i = 0; i < size; i++) if (c[i] != null) c[i].setVisible(visible); } } }