001 /* 002 * Copyright (C) 2012 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.cli.impl.invocation; 021 022 import org.crsh.cli.SyntaxException; 023 import org.crsh.cli.impl.LiteralValue; 024 import org.crsh.cli.descriptor.ParameterDescriptor; 025 026 import java.util.ArrayList; 027 import java.util.List; 028 029 public class ParameterMatch<P extends ParameterDescriptor> { 030 031 /** . */ 032 private final P parameter; 033 034 /** . */ 035 private final List<LiteralValue> values; 036 037 /** . */ 038 private List<String> strings; 039 040 public ParameterMatch(P parameter, List<LiteralValue> values) { 041 this.parameter = parameter; 042 this.values = values; 043 this.strings = null; 044 } 045 046 public P getParameter() { 047 return parameter; 048 } 049 050 public List<LiteralValue> getValues() { 051 return values; 052 } 053 054 public List<String> getStrings() { 055 if (strings == null) { 056 List<String> strings = new ArrayList<String>(values.size()); 057 for (LiteralValue value : values) { 058 strings.add(parameter.isUnquote() ? value.getValue() : value.getRawValue()); 059 } 060 this.strings = strings; 061 } 062 return strings; 063 } 064 065 /** 066 * Compute the value from the parameter metadata and the values list. 067 * 068 * @return the invocation value 069 * @throws org.crsh.cli.SyntaxException anything that would prevent the value from being computed 070 */ 071 public Object computeValue() throws SyntaxException { 072 List<String> strings = getStrings(); 073 return parameter.parse(strings); 074 } 075 }