1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.myfaces.view.facelets.compiler; 20 21 import java.io.IOException; 22 23 import javax.el.ELContext; 24 import javax.el.ExpressionFactory; 25 import javax.faces.context.FacesContext; 26 27 interface Instruction 28 { 29 public void write(FacesContext context) throws IOException; 30 31 public Instruction apply(ExpressionFactory factory, ELContext ctx); 32 33 public boolean isLiteral(); 34 }