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.cmdline.matcher; 021 022 import org.crsh.cmdline.binding.TypeBinding; 023 import org.crsh.cmdline.ParameterDescriptor; 024 025 import java.util.ArrayList; 026 import java.util.List; 027 028 /** 029 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 030 * @version $Revision$ 031 */ 032 public class ParameterMatch<P extends ParameterDescriptor<B>, B extends TypeBinding> { 033 034 /** . */ 035 private final P parameter; 036 037 /** . */ 038 private final List<LiteralValue> values; 039 040 /** . */ 041 private List<String> strings; 042 043 public ParameterMatch(P parameter, List<LiteralValue> values) { 044 this.parameter = parameter; 045 this.values = values; 046 this.strings = null; 047 } 048 049 public P getParameter() { 050 return parameter; 051 } 052 053 public List<LiteralValue> getValues() { 054 return values; 055 } 056 057 public List<String> getStrings() { 058 if (strings == null) { 059 List<String> strings = new ArrayList<String>(values.size()); 060 for (LiteralValue value : values) { 061 strings.add(parameter.isUnquote() ? value.getValue() : value.getRawValue()); 062 } 063 this.strings = strings; 064 } 065 return strings; 066 } 067 068 /** 069 * Compute the value from the parameter metadata and the values list. 070 * 071 * @return the invocation value 072 * @throws CmdSyntaxException anything that would prevent the value from being computed 073 */ 074 public Object computeValue() throws CmdSyntaxException { 075 List<String> strings = getStrings(); 076 return parameter.parse(strings); 077 } 078 }