| /******************************************************************************* |
| * Copyright (c) 2007, 2008 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.jst.server.preview.adapter.internal.core; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.jdt.launching.IVMInstall; |
| import org.eclipse.jdt.launching.IVMInstallType; |
| import org.eclipse.jdt.launching.JavaRuntime; |
| import org.eclipse.jst.server.core.IJavaRuntimeWorkingCopy; |
| import org.eclipse.jst.server.preview.adapter.internal.Messages; |
| import org.eclipse.jst.server.preview.adapter.internal.PreviewPlugin; |
| import org.eclipse.wst.server.core.model.RuntimeDelegate; |
| import org.osgi.framework.Bundle; |
| /** |
| * J2EE preview runtime. |
| */ |
| public class PreviewRuntime extends RuntimeDelegate implements IJavaRuntimeWorkingCopy { |
| public static final String ID = "org.eclipse.jst.server.preview.runtime"; |
| |
| protected static final String PROP_VM_INSTALL_TYPE_ID = "vm-install-type-id"; |
| protected static final String PROP_VM_INSTALL_ID = "vm-install-id"; |
| |
| /** |
| * Create a new preview runtime. |
| */ |
| public PreviewRuntime() { |
| // do nothing |
| } |
| |
| /** |
| * Returns the path that corresponds to the specified bundle. |
| * |
| * @return a path |
| */ |
| protected static Path getPluginPath(Bundle bundle) { |
| try { |
| URL installURL = bundle.getEntry("/"); |
| URL localURL = FileLocator.toFileURL(installURL); |
| return new Path(localURL.getFile()); |
| } catch (IOException ioe) { |
| return null; |
| } |
| } |
| |
| protected static IPath getJarredPluginPath(Bundle bundle) { |
| try { |
| File file = FileLocator.getBundleFile(bundle); |
| return new Path(file.getCanonicalPath()); |
| } catch (IOException e) { |
| // ignore, return null |
| return null; |
| } |
| } |
| |
| protected String getVMInstallTypeId() { |
| return getAttribute(PROP_VM_INSTALL_TYPE_ID, (String)null); |
| } |
| |
| protected String getVMInstallId() { |
| return getAttribute(PROP_VM_INSTALL_ID, (String)null); |
| } |
| |
| /** |
| * Returns <code>true</code> if the runtime is using the default JRE. |
| * |
| * @return <code>true</code> if the runtime is using the default JRE, |
| * and <code>false</code> otherwise |
| */ |
| public boolean isUsingDefaultJRE() { |
| return getVMInstallTypeId() == null; |
| } |
| |
| public IVMInstall getVMInstall() { |
| if (getVMInstallTypeId() == null) |
| return JavaRuntime.getDefaultVMInstall(); |
| try { |
| IVMInstallType vmInstallType = JavaRuntime.getVMInstallType(getVMInstallTypeId()); |
| IVMInstall[] vmInstalls = vmInstallType.getVMInstalls(); |
| String id = getVMInstallId(); |
| for (IVMInstall vmInstall : vmInstalls) { |
| if (id.equals(vmInstall.getId())) |
| return vmInstall; |
| } |
| } catch (Exception e) { |
| // ignore |
| } |
| return null; |
| } |
| |
| /** |
| * @see RuntimeDelegate#validate() |
| */ |
| public IStatus validate() { |
| IStatus status = super.validate(); |
| if (!status.isOK() && status.getMessage().length() > 0) |
| return status; |
| |
| if (getVMInstall() == null) |
| return new Status(IStatus.ERROR, PreviewPlugin.PLUGIN_ID, 0, Messages.errorJRE, null); |
| |
| return Status.OK_STATUS; |
| } |
| |
| public void setVMInstall(IVMInstall vmInstall) { |
| if (vmInstall == null) { |
| setVMInstall(null, null); |
| } else |
| setVMInstall(vmInstall.getVMInstallType().getId(), vmInstall.getId()); |
| } |
| |
| protected void setVMInstall(String typeId, String id) { |
| if (typeId == null) |
| setAttribute(PROP_VM_INSTALL_TYPE_ID, (String)null); |
| else |
| setAttribute(PROP_VM_INSTALL_TYPE_ID, typeId); |
| |
| if (id == null) |
| setAttribute(PROP_VM_INSTALL_ID, (String)null); |
| else |
| setAttribute(PROP_VM_INSTALL_ID, id); |
| } |
| } |