diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BitTools.java')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BitTools.java | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BitTools.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BitTools.java deleted file mode 100644 index 68f2313b0c..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BitTools.java +++ /dev/null @@ -1,214 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006, 2007 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.internal; - -/** - * Assorted bit tools - */ -public final class BitTools { - - /** - * Return whether the specified 'flags' has the specified - * 'flagToCheck' set. - */ - public static boolean flagIsSet(int flags, int flagToCheck) { - return allFlagsAreSet(flags, flagToCheck); - } - - /** - * Return whether the specified 'flags' has the specified - * 'flagToCheck' turned off. - */ - public static boolean flagIsOff(int flags, int flagToCheck) { - return allFlagsAreOff(flags, flagToCheck); - } - - /** - * Return whether the specified 'flags' has ONLY the specified - * 'flagToCheck' set. - */ - public static boolean onlyFlagIsSet(int flags, int flagToCheck) { - return onlyFlagsAreSet(flags, flagToCheck); - } - - /** - * Return whether the specified 'flags' has ONLY the specified - * 'flagToCheck' turned off. - */ - public static boolean onlyFlagIsOff(int flags, int flagToCheck) { - return onlyFlagsAreOff(flags, flagToCheck); - } - - /** - * Return whether the specified 'flags' has all the specified - * 'flagsToCheck' set. - */ - public static boolean allFlagsAreSet(int flags, int flagsToCheck) { - return (flags & flagsToCheck) == flagsToCheck; - } - - /** - * Return whether the specified 'flags' has all the specified - * 'flagsToCheck' turned off. - */ - public static boolean allFlagsAreOff(int flags, int flagsToCheck) { - return (flags & flagsToCheck) == 0; - } - - /** - * Return whether the specified 'flags' has ONLY the specified - * 'flagsToCheck' set. - */ - public static boolean onlyFlagsAreSet(int flags, int flagsToCheck) { - return allFlagsAreSet(flags, flagsToCheck) && allFlagsAreOff(flags, ~flagsToCheck); - } - - /** - * Return whether the specified 'flags' has ONLY the specified - * 'flagsToCheck' turned off. - */ - public static boolean onlyFlagsAreOff(int flags, int flagsToCheck) { - return allFlagsAreOff(flags, flagsToCheck) && allFlagsAreSet(flags, ~flagsToCheck); - } - - /** - * Return whether the specified 'flags' has any one of the specified - * 'flagsToCheck' set. - */ - public static boolean anyFlagsAreSet(int flags, int flagsToCheck) { - return (flags & flagsToCheck) != 0; - } - - /** - * Return whether the specified 'flags' has any one of the specified - * 'flagsToCheck' turned off. - */ - public static boolean anyFlagsAreOff(int flags, int flagsToCheck) { - return (flags & flagsToCheck) != flagsToCheck; - } - - /** - * Return whether the specified 'flags' has all the specified - * 'flagsToCheck' set. - */ - public static boolean allFlagsAreSet(int flags, int... flagsToCheck) { - for (int i = flagsToCheck.length; i-- > 0; ) { - if ( ! allFlagsAreSet(flags, flagsToCheck[i])) { - return false; - } - } - return true; - } - - /** - * Return whether the specified 'flags' has all the specified - * 'flagsToCheck' turned off. - */ - public static boolean allFlagsAreOff(int flags, int... flagsToCheck) { - for (int i = flagsToCheck.length; i-- > 0; ) { - if ( ! allFlagsAreOff(flags, flagsToCheck[i])) { - return false; - } - } - return true; - } - - /** - * Return whether the specified 'flags' has ONLY the specified - * 'flagsToCheck' set. - */ - public static boolean onlyFlagsAreSet(int flags, int... flagsToCheck) { - int combinedFlags = orFlags(flagsToCheck); - return allFlagsAreSet(flags, combinedFlags) && allFlagsAreOff(flags, ~combinedFlags); - } - - /** - * Return whether the specified 'flags' has ONLY the specified - * 'flagsToCheck' turned off. - */ - public static boolean onlyFlagsAreOff(int flags, int... flagsToCheck) { - int combinedFlags = orFlags(flagsToCheck); - return allFlagsAreOff(flags, combinedFlags) && allFlagsAreSet(flags, ~combinedFlags); - } - - /** - * Return whether the specified 'flags' has any one of the specified - * 'flagsToCheck' set. - */ - public static boolean anyFlagsAreSet(int flags, int... flagsToCheck) { - for (int i = flagsToCheck.length; i-- > 0; ) { - if (anyFlagsAreSet(flags, flagsToCheck[i])) { - return true; - } - } - return false; - } - - /** - * Return whether the specified 'flags' has any one of the specified - * 'flagsToCheck' turned off. - */ - public static boolean anyFlagsAreOff(int flags, int... flagsToCheck) { - for (int i = flagsToCheck.length; i-- > 0; ) { - if (anyFlagsAreOff(flags, flagsToCheck[i])) { - return true; - } - } - return false; - } - - /** - * OR all the specified 'flags' together and return the result. - */ - public static int orFlags(int... flags) { - int last = flags.length - 1; - int result = flags[last]; - for (int i = last; i-- > 0; ) { - result |= flags[i]; - } - return result; - } - - /** - * AND all the specified 'flags' together and return the result. - */ - public static int andFlags(int... flags) { - int last = flags.length - 1; - int result = flags[last]; - for (int i = last; i-- > 0; ) { - result &= flags[i]; - } - return result; - } - - /** - * XOR all the specified 'flags' together and return the result. - */ - public static int xorFlags(int... flags) { - int last = flags.length - 1; - int result = flags[last]; - for (int i = last; i-- > 0; ) { - result ^= flags[i]; - } - return result; - } - - - // ********** constructor ********** - - /** - * Suppress default constructor, ensuring non-instantiability. - */ - private BitTools() { - super(); - throw new UnsupportedOperationException(); - } - -} |