/* * Copyright (C) 2000 - 2008 TagServlet Ltd * * This file is part of Open BlueDragon (OpenBD) CFML Server Engine. * * OpenBD is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * Free Software Foundation,version 3. * * OpenBD is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenBD. If not, see http://www.gnu.org/licenses/ * * Additional permission under GNU GPL version 3 section 7 * * If you modify this Program, or any covered work, by linking or combining * it with any of the JARS listed in the README.txt (or a modified version of * (that library), containing parts covered by the terms of that JAR, the * licensors of this Program grant you additional permission to convey the * resulting work. * README.txt @ http://www.openbluedragon.org/license/README.txt * * http://www.openbluedragon.org/ */ package com.naryx.tagfusion.expression.function; import com.naryx.tagfusion.cfm.engine.cfArgStructData; import com.naryx.tagfusion.cfm.engine.cfData; import com.naryx.tagfusion.cfm.engine.cfSession; import com.naryx.tagfusion.cfm.engine.cfStringData; import com.naryx.tagfusion.cfm.engine.cfmRunTimeException; public class insert extends functionBase { private static final long serialVersionUID = 1L; public insert(){ min = max = 3; setNamedParams( new String[]{ "substring", "string", "position"} ); } public String[] getParamInfo(){ return new String[]{ "substring", "string", "position" }; } public java.util.Map getInfo(){ return makeInfo( "string", "Inserts the substring into the given string at the given position", ReturnType.STRING ); } public cfData execute(cfSession _session, cfArgStructData argStruct ) throws cfmRunTimeException { String substring = getNamedStringParam(argStruct, "substring", ""); String str = getNamedStringParam(argStruct, "string", ""); int pos = getInt( _session, getNamedParam( argStruct, "position" ) ); if ( pos > str.length() || pos < 0 ) throwException( _session, "invalid start position" ); StringBuilder sb = new StringBuilder( str ); sb.insert( pos, substring ); return new cfStringData( sb.toString() ); } }