diff options
Diffstat (limited to 'core/org.eclipse.cdt.core.spawner/utils/org/eclipse/cdt/utils/WindowsRegistry.java')
| -rw-r--r-- | core/org.eclipse.cdt.core.spawner/utils/org/eclipse/cdt/utils/WindowsRegistry.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/core/org.eclipse.cdt.core.spawner/utils/org/eclipse/cdt/utils/WindowsRegistry.java b/core/org.eclipse.cdt.core.spawner/utils/org/eclipse/cdt/utils/WindowsRegistry.java new file mode 100644 index 00000000000..cc216e2095b --- /dev/null +++ b/core/org.eclipse.cdt.core.spawner/utils/org/eclipse/cdt/utils/WindowsRegistry.java @@ -0,0 +1,116 @@ +/******************************************************************************* + * Copyright (c) 2005, 2009 QNX Software Systems + * 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: + * QNX Software Systems - initial API and implementation + *******************************************************************************/ +/** + * + */ +package org.eclipse.cdt.utils; + +import org.eclipse.core.runtime.Platform; + +/** + * @author DSchaefer + * @noextend This class is not intended to be subclassed by clients. + * @noinstantiate This class is not intended to be instantiated by clients. + */ +public class WindowsRegistry { + + private static boolean failed = false; + private static WindowsRegistry registry; + + private WindowsRegistry() { + } + + public static WindowsRegistry getRegistry() { + if (registry == null && !failed) { + if (Platform.getOS().equals(Platform.OS_WIN32)) { + try { + System.loadLibrary("winreg"); //$NON-NLS-1$ + registry = new WindowsRegistry(); + } catch (UnsatisfiedLinkError e) { + failed = true; + return null; + } + } else + failed = true; + } + + return registry; + } + + /** + * Gets the registry value for the subkey of HKEY_LOCAL_MACHINE with the + * given name. If problems occur, like the name is not found, null is returned. + * + * @param subkey subkey of HKEY_LOCAL_MACHINE + * @param name name of the registry value + * @return registry value or null if not found + */ + public native String getLocalMachineValue(String subkey, String name); + + /** + * Given a subkey of HKEY_LOCAL_MACHINE, and an index (starting from 0) + * to the key's array of values, return the name of the indexed value. + * The return value is null on any error or when the index is invalid. + * The value name can be used in the above getLocalMachineValue() to retrieve + * the value data. + * @param subkey subkey of HKEY_LOCAL_MACHINE + * @param index index to the subkey's array of values, starting from 0. + * @return name of registry value or null if not found + */ + public native String getLocalMachineValueName(String subkey, int index); + + /** + * Given a subkey of HKEY_LOCAL_MACHINE, and an index (starting from 0) + * to the key's array of sub keys, return the name of the indexed key. + * The return value is null on any error or when the index is invalid. + * The key name can be used in the above getLocalMachineValueName() + * to retrieve value names. + * @param subkey subkey of HKEY_CURRENT_USER + * @param index index to the subkey's array of values, starting from 0. + * @return name of registry value or null if not found + */ + public native String getLocalMachineKeyName(String subkey, int index); + + /** + * Gets the registry value for the subkey of HKEY_CURRENT_USER with the + * given name. If problems occur, like the name is not found, null is returned. + * + * @param subkey subkey of HKEY_CURRENT_USER + * @param name name of the registry value + * @return registry value or null if not found + */ + public native String getCurrentUserValue(String subkey, String name); + + /** + * Given a subkey of HKEY_CURRENT_USER, and an index (starting from 0) + * to the key's array of values, return the name of the indexed value. + * The return value is null on any error or when the index is invalid. + * The value name can be used in the above getCurrentUserValue() to retrieve + * the value data. + * @param subkey subkey of HKEY_CURRENT_USER + * @param index index to the subkey's array of values, starting from 0. + * @return name of registry value or null if not found + */ + public native String getCurrentUserValueName(String subkey, int index); + + /** + * Given a subkey of HKEY_CURRENT_USER, and an index (starting from 0) + * to the key's array of sub keys, return the name of the indexed key. + * The return value is null on any error or when the index is invalid. + * The key name can be used in the above getCurrentUserValueName() + * to retrieve value names. + * @param subkey subkey of HKEY_CURRENT_USER + * @param index index to the subkey's array of values, starting from 0. + * @return name of registry value or null if not found + */ + public native String getCurrentUserKeyName(String subkey, int index); + +} |