| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed 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 com.intellij; |
| |
| import com.intellij.openapi.util.SystemInfoRt; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.text.MessageFormat; |
| import java.util.MissingResourceException; |
| import java.util.ResourceBundle; |
| |
| /** |
| * @author yole |
| */ |
| public abstract class BundleBase { |
| public static final char MNEMONIC = 0x1B; |
| |
| public static boolean assertKeyIsFound = false; |
| |
| public static String messageOrDefault(@Nullable final ResourceBundle bundle, |
| @NotNull String key, |
| @Nullable final String defaultValue, |
| @NotNull Object... params) { |
| if (bundle == null) return defaultValue; |
| |
| String value; |
| try { |
| value = bundle.getString(key); |
| } |
| catch (MissingResourceException e) { |
| if (defaultValue != null) { |
| value = defaultValue; |
| } |
| else { |
| value = "!" + key + "!"; |
| if (assertKeyIsFound) { |
| assert false : "'" + key + "' is not found in " + bundle; |
| } |
| } |
| } |
| |
| value = replaceMnemonicAmpersand(value); |
| |
| return format(value, params); |
| } |
| |
| @NotNull |
| public static String format(@NotNull String value, @NotNull Object... params) { |
| if (params.length > 0 && value.indexOf('{') >= 0) { |
| return MessageFormat.format(value, params); |
| } |
| |
| return value; |
| } |
| |
| @NotNull |
| public static String message(@NotNull ResourceBundle bundle, @NotNull String key, @NotNull Object... params) { |
| return messageOrDefault(bundle, key, null, params); |
| } |
| |
| public static String replaceMnemonicAmpersand(@Nullable final String value) { |
| if (value == null) { |
| //noinspection ConstantConditions |
| return null; |
| } |
| |
| if (value.indexOf('&') >= 0) { |
| boolean useMacMnemonic = value.contains("&&"); |
| StringBuilder realValue = new StringBuilder(); |
| int i = 0; |
| while (i < value.length()) { |
| char c = value.charAt(i); |
| if (c == '\\') { |
| if (i < value.length() - 1 && value.charAt(i + 1) == '&') { |
| realValue.append('&'); |
| i++; |
| } |
| else { |
| realValue.append(c); |
| } |
| } |
| else if (c == '&') { |
| if (i < value.length() - 1 && value.charAt(i + 1) == '&') { |
| if (SystemInfoRt.isMac) { |
| realValue.append(MNEMONIC); |
| } |
| i++; |
| } |
| else { |
| if (!SystemInfoRt.isMac || !useMacMnemonic) { |
| realValue.append(MNEMONIC); |
| } |
| } |
| } |
| else { |
| realValue.append(c); |
| } |
| i++; |
| } |
| |
| return realValue.toString(); |
| } |
| return value; |
| } |
| } |