001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.java.signature;
021    
022    public class Parameter {
023    
024      private final JvmJavaType jvmJavaType;
025      private final String className;
026      private final boolean isArray;
027    
028      public Parameter(JvmJavaType jvmJavaType, boolean isArray) {
029        this(jvmJavaType, null, isArray);
030      }
031    
032      public Parameter(String classCanonicalName, boolean isArray) {
033        this(JvmJavaType.L, classCanonicalName, isArray);
034      }
035    
036      Parameter(JvmJavaType jvmJavaType, String classCanonicalName, boolean isArray) {
037        if (jvmJavaType == JvmJavaType.L && (classCanonicalName == null || "".equals(classCanonicalName))) {
038          throw new IllegalStateException("With an Object JavaType, this is mandatory to specify the canonical name of the class.");
039        }
040        this.jvmJavaType = jvmJavaType;
041        this.className = extractClassName(classCanonicalName);
042        this.isArray = isArray;
043      }
044    
045      public Parameter(Parameter parameter) {
046        this(parameter.jvmJavaType, parameter.className, parameter.isArray);
047      }
048    
049      public boolean isVoid() {
050        return jvmJavaType == JvmJavaType.V;
051      }
052    
053      public JvmJavaType getJvmJavaType() {
054        return jvmJavaType;
055      }
056    
057      public String getClassName() {
058        return className;
059      }
060    
061      public boolean isArray() {
062        return isArray;
063      }
064    
065      public boolean isOject() {
066        return jvmJavaType == JvmJavaType.L;
067      }
068    
069      private String extractClassName(String classCanonicalName) {
070        if (classCanonicalName == null) {
071          return null;
072        }
073        int slashIndex = classCanonicalName.lastIndexOf('/');
074        int dollarIndex = classCanonicalName.lastIndexOf('$');
075        if (slashIndex != -1 || dollarIndex != -1) {
076          return classCanonicalName.substring(Math.max(slashIndex, dollarIndex) + 1);
077        }
078        return classCanonicalName;
079      }
080    }