001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.runtime.ext.tag; 020 021import lucee.runtime.type.Collection; 022 023public interface TagMetaDataAttr { 024 025 /** 026 * A description of the attribute. 027 * @return the description of the attribute 028 */ 029 public abstract String getDescription(); 030 031 /** 032 * The runtime type of the attribute's value 033 * For example:String,Number,Boolean,Object,... 034 * @return the type of the attribute 035 */ 036 public abstract String getType(); 037 038 /** 039 * The unique name of the attribute being declared 040 * @return the name of the attribute 041 */ 042 public abstract Collection.Key getName(); 043 044 /** 045 * return the default value for this attribute or null if no default value is defined 046 * @return the default value of the attribute 047 */ 048 public abstract String getDefaultVaue(); 049 050 /** 051 * Whether the attribute is required. 052 * @return is required 053 */ 054 public abstract boolean isRequired(); 055 056 /** 057 * Whether the attribute's value can be dynamically calculated at runtime. 058 * @return is a runtime expression 059 */ 060 public boolean isRuntimeExpressionValue(); 061 062}