1/* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.google.clearsilver.jsilver.interpreter; 18 19import com.google.clearsilver.jsilver.autoescape.AutoEscapeOptions; 20import com.google.clearsilver.jsilver.autoescape.EscapeMode; 21import com.google.clearsilver.jsilver.data.Data; 22import com.google.clearsilver.jsilver.data.DataContext; 23import com.google.clearsilver.jsilver.data.DefaultDataContext; 24import com.google.clearsilver.jsilver.functions.FunctionExecutor; 25import com.google.clearsilver.jsilver.resourceloader.ResourceLoader; 26import com.google.clearsilver.jsilver.syntax.TemplateSyntaxTree; 27import com.google.clearsilver.jsilver.template.DefaultRenderingContext; 28import com.google.clearsilver.jsilver.template.RenderingContext; 29import com.google.clearsilver.jsilver.template.Template; 30import com.google.clearsilver.jsilver.template.TemplateLoader; 31 32import java.io.IOException; 33 34/** 35 * Template implementation that uses the interpreter to render itself. 36 */ 37public class InterpretedTemplate implements Template { 38 39 private final TemplateLoader loader; 40 41 private final TemplateSyntaxTree syntaxTree; 42 private final String name; 43 private final FunctionExecutor functionExecutor; 44 private final EscapeMode escapeMode; 45 private final AutoEscapeOptions autoEscapeOptions; 46 47 public InterpretedTemplate(TemplateLoader loader, TemplateSyntaxTree syntaxTree, String name, 48 FunctionExecutor functionExecutor, AutoEscapeOptions autoEscapeOptions, EscapeMode mode) { 49 this.loader = loader; 50 this.syntaxTree = syntaxTree; 51 this.name = name; 52 this.functionExecutor = functionExecutor; 53 this.escapeMode = mode; 54 this.autoEscapeOptions = autoEscapeOptions; 55 } 56 57 @Override 58 public void render(Data data, Appendable out, ResourceLoader resourceLoader) throws IOException { 59 render(createRenderingContext(data, out, resourceLoader)); 60 } 61 62 @Override 63 public void render(RenderingContext context) throws IOException { 64 TemplateInterpreter interpreter = 65 new TemplateInterpreter(this, loader, context, functionExecutor); 66 context.pushExecutionContext(this); 67 syntaxTree.apply(interpreter); 68 context.popExecutionContext(); 69 } 70 71 @Override 72 public RenderingContext createRenderingContext(Data data, Appendable out, 73 ResourceLoader resourceLoader) { 74 DataContext dataContext = new DefaultDataContext(data); 75 return new DefaultRenderingContext(dataContext, resourceLoader, out, functionExecutor, 76 autoEscapeOptions); 77 } 78 79 @Override 80 public String getTemplateName() { 81 return name; 82 } 83 84 @Override 85 public EscapeMode getEscapeMode() { 86 return escapeMode; 87 } 88 89 @Override 90 public String getDisplayName() { 91 return name; 92 } 93} 94