| /* |
| * 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 freemarker.template.SimpleNumber; |
| import freemarker.template.TemplateException; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateNumberModel; |
| |
| /** |
| * A simple implementation of the <tt>TemplateNumberModel</tt> |
| * interface. Note that this class is immutable. |
| */ |
| final class NumberLiteral extends Expression implements TemplateNumberModel { |
| |
| private final Number value; |
| |
| public NumberLiteral(Number value) { |
| this.value = value; |
| } |
| |
| @Override |
| TemplateModel _eval(Environment env) { |
| return new SimpleNumber(value); |
| } |
| |
| @Override |
| public String evalAndCoerceToPlainText(Environment env) throws TemplateException { |
| return env.formatNumberToPlainText(this, this, false); |
| } |
| |
| @Override |
| public Number getAsNumber() { |
| return value; |
| } |
| |
| String getName() { |
| return "the number: '" + value + "'"; |
| } |
| |
| @Override |
| public String getCanonicalForm() { |
| return value.toString(); |
| } |
| |
| @Override |
| String getNodeTypeSymbol() { |
| return getCanonicalForm(); |
| } |
| |
| @Override |
| boolean isLiteral() { |
| return true; |
| } |
| |
| @Override |
| protected Expression deepCloneWithIdentifierReplaced_inner( |
| String replacedIdentifier, Expression replacement, ReplacemenetState replacementState) { |
| return new NumberLiteral(value); |
| } |
| |
| @Override |
| int getParameterCount() { |
| return 0; |
| } |
| |
| @Override |
| Object getParameterValue(int idx) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| @Override |
| ParameterRole getParameterRole(int idx) { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| } |