001/* 002 * Copyright 2002-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.expression.common; 018 019import org.springframework.expression.ParserContext; 020 021/** 022 * Configurable {@link ParserContext} implementation for template parsing. Expects the 023 * expression prefix and suffix as constructor arguments. 024 * 025 * @author Juergen Hoeller 026 * @since 3.0 027 */ 028public class TemplateParserContext implements ParserContext { 029 030 private final String expressionPrefix; 031 032 private final String expressionSuffix; 033 034 035 /** 036 * Create a new TemplateParserContext with the default "#{" prefix and "}" suffix. 037 */ 038 public TemplateParserContext() { 039 this("#{", "}"); 040 } 041 042 /** 043 * Create a new TemplateParserContext for the given prefix and suffix. 044 * @param expressionPrefix the expression prefix to use 045 * @param expressionSuffix the expression suffix to use 046 */ 047 public TemplateParserContext(String expressionPrefix, String expressionSuffix) { 048 this.expressionPrefix = expressionPrefix; 049 this.expressionSuffix = expressionSuffix; 050 } 051 052 053 @Override 054 public final boolean isTemplate() { 055 return true; 056 } 057 058 @Override 059 public final String getExpressionPrefix() { 060 return this.expressionPrefix; 061 } 062 063 @Override 064 public final String getExpressionSuffix() { 065 return this.expressionSuffix; 066 } 067 068}