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.functions.system;
020
021import java.io.IOException;
022import java.util.Iterator;
023
024import lucee.commons.io.IOUtil;
025import lucee.commons.io.res.Resource;
026import lucee.commons.io.res.util.ResourceUtil;
027import lucee.commons.lang.StringUtil;
028import lucee.runtime.PageContext;
029import lucee.runtime.PageContextImpl;
030import lucee.runtime.exp.PageException;
031import lucee.runtime.op.Caster;
032import lucee.runtime.type.Array;
033import lucee.runtime.type.Struct;
034import lucee.runtime.type.util.KeyConstants;
035
036public class CallStackDump {
037
038        public static String call(PageContext pc) throws PageException {
039                return call(pc,null);
040        }
041
042        public static String call(PageContext pc, String output) throws PageException {
043                Array arr = (Array)CallStackGet.call(pc);
044                Struct sct=null;
045                String func;
046                
047                // create stack
048                StringBuilder sb=new StringBuilder();
049                Iterator<Object> it = arr.valueIterator();
050                while(it.hasNext()){
051                        sct=(Struct) it.next();
052                        func=(String) sct.get(KeyConstants._function);
053                        sb.append(sct.get(KeyConstants._template));
054                        if(func.length()>0) {
055                                sb.append(':');
056                                sb.append(func);
057                        }
058                        sb.append(':');
059                        sb.append(Caster.toString(sct.get(CallStackGet.LINE_NUMBER)));
060                        sb.append('\n');
061                }
062                
063                // output
064                try{
065                if(StringUtil.isEmpty(output,true) || output.trim().equalsIgnoreCase("browser")) {
066                        pc.forceWrite("<pre>");
067                        pc.forceWrite(sb.toString());
068                        pc.forceWrite("</pre>");
069                }
070                else if(output.trim().equalsIgnoreCase("console")) {
071                        System.out.println(sb.toString());
072                }
073                else {
074                        Resource res = ResourceUtil.toResourceNotExisting(pc, output);
075                        IOUtil.write(
076                                        res, 
077                                        sb.toString()+"\n", 
078                                        ((PageContextImpl)pc).getResourceCharset().name(), true);
079                }
080                }
081                catch(IOException ioe){
082                        throw Caster.toPageException(ioe);
083                }
084                
085                return null;
086        }
087}