001 /* 002 * Copyright (C) 2010 eXo Platform SAS. 003 * 004 * This is free software; you can redistribute it and/or modify it 005 * under the terms of the GNU Lesser General Public License as 006 * published by the Free Software Foundation; either version 2.1 of 007 * the License, or (at your option) any later version. 008 * 009 * This software is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * You should have received a copy of the GNU Lesser General Public 015 * License along with this software; if not, write to the Free 016 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 017 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 018 */ 019 020 package org.crsh.shell.io; 021 022 import org.crsh.command.InvocationContext; 023 import org.crsh.shell.ui.Element; 024 import org.crsh.text.ShellPrintWriter; 025 import org.crsh.shell.ui.UIBuilder; 026 027 import java.io.IOException; 028 029 /** 030 * Extends the {@link org.crsh.text.ShellPrintWriter} to provides support for easy padding. 031 * 032 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 033 * @version $Revision$ 034 */ 035 public class ShellPrinter extends ShellPrintWriter { 036 037 /** . */ 038 private final ShellWriter out; 039 040 /** . */ 041 private final InvocationContext context; 042 043 public ShellPrinter(ShellWriter out, InvocationContext context) { 044 super(out); 045 046 // 047 this.out = out; 048 this.context = context; 049 } 050 051 @Override 052 public void println(Object x) { 053 print(x); 054 println(); 055 } 056 057 @Override 058 public void print(Object obj) { 059 if (obj instanceof UIBuilder) { 060 for (Element element : ((UIBuilder)obj).getElements()) { 061 print(element); 062 } 063 } else if (obj instanceof Element) { 064 try { 065 ((Element)obj).print(out, context); 066 } catch (IOException e) { 067 setError(); 068 } 069 } else { 070 super.print(obj); 071 } 072 } 073 }