/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership. The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at
    * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.river.example.browser;
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Array;
  import java.lang.reflect.Modifier;
  
  /**
   * Introspection related methods
   *
   * @author Sun Microsystems, Inc.
   *
   * @version 0.2 06/04/98
   *
   */
  
  class Introspector {
  
    public static boolean isHidden(Field f){
      int m = f.getModifiers();
  
      if(Modifier.isPrivate(m) || Modifier.isStatic(m))
        return true;
  
      return false;
    }
  
    public static boolean isString(Class clazz){
      if("java.lang.String".equals(clazz.getName()))
        return true;
      return false;
    }
  
    public static boolean isWrapper(Class clazz){
      String name = clazz.getName();
  
      if("java.lang.Integer".equals(name) ||
         "java.lang.Boolean".equals(name) ||
         "java.lang.Byte".equals(name) ||
         "java.lang.Char".equals(name) ||
         "java.lang.Double".equals(name) ||
         "java.lang.Float".equals(name) ||
         "java.lang.Long".equals(name)){
        return true;
      }
      return false;
    }
  
    /** Return the name of an interface or primitive type, handling arrays. */
    public static String getTypename(Class t, boolean showPackage) {
      String brackets = "";
      while(t.isArray()) {
        brackets += "[]";
        t = t.getComponentType();
      }
  
      if(showPackage)
        return t.getName() + brackets;
      else
        return extractClassName(t.getName()) + brackets;
    }
  
    /** Return a string version of modifiers, handling spaces nicely. */
    public static String getModifierString(int m) {
      if(m == 0)
        return "";
      else
        return Modifier.toString(m) + " ";
    }
  
    /** Print the modifiers, type, and name of a field. */
    public static String getFieldString(Field f, boolean showModifier, boolean showPackage) {
      String fstring = "";
      
      if(showModifier)
        fstring += getModifierString(f.getModifiers());
  
      fstring += getTypename(f.getType(), showPackage);
      fstring += " ";
      fstring += f.getName();
  
      return fstring;
    }
 
   public static String extractClassName(String fullName){
     int index = fullName.lastIndexOf(".");
     
     return fullName.substring(index + 1);
   }
 }