| /* |
| * 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 freemarker.core; |
| |
| import java.text.DecimalFormat; |
| import java.text.DecimalFormatSymbols; |
| import java.text.NumberFormat; |
| |
| import freemarker.template.TemplateException; |
| import freemarker.template.utility.StringUtil; |
| |
| /** |
| * {@value #NAME} {@link CFormat}. |
| * |
| * @since 2.3.32 |
| */ |
| public final class JavaCFormat extends CFormat { |
| public static final String NAME = "Java"; |
| public static final JavaCFormat INSTANCE = new JavaCFormat(); |
| |
| private static final TemplateNumberFormat TEMPLATE_NUMBER_FORMAT = new CTemplateNumberFormat( |
| "Double.POSITIVE_INFINITY", "Double.NEGATIVE_INFINITY", "Double.NaN", |
| "Float.POSITIVE_INFINITY", "Float.NEGATIVE_INFINITY", "Float.NaN"); |
| |
| private static final DecimalFormat LEGACY_NUMBER_FORMAT_PROTOTYPE |
| = (DecimalFormat) LegacyCFormat.LEGACY_NUMBER_FORMAT_PROTOTYPE_2_3_0.clone(); |
| |
| static { |
| DecimalFormatSymbols symbols = LEGACY_NUMBER_FORMAT_PROTOTYPE.getDecimalFormatSymbols(); |
| symbols.setInfinity("Double.POSITIVE_INFINITY"); |
| symbols.setNaN("Double.NaN"); |
| LEGACY_NUMBER_FORMAT_PROTOTYPE.setDecimalFormatSymbols(symbols); |
| } |
| |
| private JavaCFormat() { |
| } |
| |
| @Override |
| TemplateNumberFormat getTemplateNumberFormat(Environment env) { |
| return TEMPLATE_NUMBER_FORMAT; |
| } |
| |
| @Override |
| String formatString(String s, Environment env) throws TemplateException { |
| return StringUtil.javaStringEnc(s, true); |
| } |
| |
| @Override |
| String getTrueString() { |
| return "true"; |
| } |
| |
| @Override |
| String getFalseString() { |
| return "false"; |
| } |
| |
| @Override |
| String getNullString() { |
| return "null"; |
| } |
| |
| @Override |
| NumberFormat getLegacyNumberFormat(Environment env) { |
| return (NumberFormat) LEGACY_NUMBER_FORMAT_PROTOTYPE.clone(); |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| } |