| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.modules.derby; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipInputStream; |
| import org.netbeans.modules.derby.ui.DerbyPropertiesPanel; |
| import org.openide.DialogDisplayer; |
| import org.openide.NotifyDescriptor; |
| import org.openide.filesystems.FileLock; |
| import org.openide.filesystems.FileObject; |
| import org.openide.filesystems.FileUtil; |
| import org.openide.util.Mutex; |
| import org.openide.util.NbBundle; |
| |
| /** |
| * |
| * @author Andrei Badea |
| */ |
| public class Util { |
| private static final String DERBY_CLIENT = "derbyclient.jar"; // NOI18N |
| |
| private Util() { |
| } |
| |
| public static boolean hasInstallLocation() { |
| return getCheckedLocation() != null; |
| } |
| |
| public static boolean checkInstallLocation() { |
| if (!hasInstallLocation()) { |
| showInformation(NbBundle.getMessage(Util.class, "MSG_DerbyLocationIncorrect")); |
| return false; |
| } |
| return true; |
| } |
| |
| private static File getCheckedLocation() { |
| File location = new File(DerbyOptions.getDefault().getLocation()); |
| if (location.isAbsolute() && location.isDirectory() && location.exists()) { |
| return location; |
| } |
| return null; |
| } |
| |
| public static File getDerbyFile(String relPath) { |
| File location = getCheckedLocation(); |
| if (location != null) { |
| return new File(location, relPath); |
| } |
| return null; |
| } |
| |
| public static boolean ensureSystemHome() { |
| if (DerbyOptions.getDefault().getSystemHome().length() <= 0) { |
| return Mutex.EVENT.writeAccess(new Mutex.Action<Boolean>() { |
| public Boolean run() { |
| return DerbyPropertiesPanel.showDerbyProperties(); |
| } |
| }); |
| } |
| return true; |
| } |
| |
| public static void showInformation(final String msg){ |
| Mutex.EVENT.readAccess(new Runnable() { |
| public void run() { |
| NotifyDescriptor d = new NotifyDescriptor.Message(msg, NotifyDescriptor.INFORMATION_MESSAGE); |
| DialogDisplayer.getDefault().notify(d); |
| } |
| }); |
| } |
| |
| public static boolean isDerbyInstallLocation(File location) { |
| if (location == null || ! location.exists()) { |
| return false; |
| } |
| File libDir = new File(location, "lib"); // NOI18N |
| if (!libDir.exists()) { |
| return false; |
| } |
| File[] libs = libDir.listFiles(); |
| if (libs == null || libs.length <= 0) { |
| return false; |
| } |
| for (File lib : libs) { |
| if (lib.getName().equals(DERBY_CLIENT)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static void extractZip(File source, FileObject target) throws IOException { |
| FileInputStream is = new FileInputStream(source); |
| try { |
| ZipInputStream zis = new ZipInputStream(is); |
| ZipEntry ze; |
| |
| while ((ze = zis.getNextEntry()) != null) { |
| String name = ze.getName(); |
| |
| // if directory, create |
| if (ze.isDirectory()) { |
| FileUtil.createFolder(target, name); |
| continue; |
| } |
| |
| // if file, copy |
| FileObject fd = FileUtil.createData(target, name); |
| FileLock lock = fd.lock(); |
| try { |
| OutputStream os = fd.getOutputStream(lock); |
| try { |
| FileUtil.copy(zis, os); |
| } finally { |
| os.close(); |
| } |
| } finally { |
| lock.releaseLock(); |
| } |
| } |
| } finally { |
| is.close(); |
| } |
| } |
| |
| /** |
| * Check if candiate FileObject is a derby database. |
| * |
| * @param candidate the value of candidate |
| * @return true if candidate is a derby database |
| */ |
| public static boolean isDerbyDatabase(FileObject candidate) { |
| if (candidate.isFolder()) { |
| FileObject sp = candidate.getFileObject("service.properties"); |
| return sp != null && FileUtil.toFile(sp) != null; |
| } else { |
| return false; |
| } |
| } |
| } |