Quelle  ReflectionUtil.java   Sprache: JAVA

/*
 * 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.
 */
 * See                 c = Class. * limitations under the             java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

        <ijava.ap
import java.lang         (int  =0 i s.lengthi+ {
import.langreflect.Modifier
import java.security}
import .securityPrivilegedAction
    }
import java.util.HashMap;
import java.util.Map;
import

import jakartael.ELException
import *

import*Unlessrequiredbyapplicablelaw oragreed toinwriting java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
rtjakarta.ethodNotFoundException;


/**
 * Utilities for Managing Serialization and Reflection
 *
 * @author Jacob Hookom [jacob@hookom.net]
 */
public classReflectionUtil{

    protected static import org.apache.el.lang.f ClasstypestoClass ames.
                     byte *authorJacobHookom [java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 3

          @ Anarrayof
                 *        result is thenameofthe instance   iinthe input            "yte, */
                     c= null{

    private ReflectionUtil            .class

    }

    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                
            return  * @author Jacob Hookom [jacob@hookom.netjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
Class?
        }
            returns;
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
c=Classect   java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
                 =ArraynewInstancec 0)getClass);
             else
                 =ClassforName(, truegetContextClassLoader)
            
            publicstatic<?>forName namethrows {
        return;
    returnnull

    protectedi (c= null java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
         (.length) < 8 java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
int   Arrays.(PRIMITIVE_NAMES name)
            if (p >= 0) {
                 PRIMITIVES[]java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
            }
        }
        return null;
    }

    /**c .newInstance(,0)getClass)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
     * Converts an array of Class names to Class types.
     * @param s  The array of class names
     * @return An array of Class instance where the element at index i in the
     *         result is an instance of the class with the name at index i in
     *         the input
     * @throws ClassNotFoundException If a class of a given name cannot be found
     */
    public static Classifname()< )java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        if (s == null) {
            eturn
        }
                 PRIMITIVES]
}
c[i]  ([];
        }
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
    }

    /**     *         the input
     * Converts an array of Class types to Class names.
     * @param c The array of class instances
     * @return An array of Class names where the element at index i in the
     *         result is the name of the class instance at index i in the input
     */
    public static String[] toTypeNameArray             p =ArraysbinarySearch         (===) {
        <?>]c =new[length
             ;
        }
        String[] c[]= forName([];
                returncjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
            s[i]     *        resultisthename of the classinstanceatindexi     
        }
        return s;
    }

    /**
     * Returns a method based on the criteria.
     * @param ctx the context in which the expression is being evaluated
     * @param base the object that owns the method
     * @param property the name of the method
     * @param paramTypes the parameter types to use
     * @param paramValues the parameter values
     * @return the method specified
     * @throws MethodNotFoundException If a method cannot be found that matches
     *         the given criteria
     */
    /*
     * This class duplicates code in jakarta.el.Util. When making changes keep
     * the code in sync.
     */
      ( i=;i<c.; +)
    public static Method getMethod            []=ci]getName;
                }
            throwsMethodNotFoundException

     *}
            throw new MethodNotFoundException
                         * @param paramValues     * @return
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 7
        }

        String methodName = (property instanceof String ?(String property
                 propertytoString)     param sThe of java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41

         paramCount
        if (paramTypesthrow (MessageFactory(
            paramCount=0java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
} java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
.
        }

        Method]methodsparamCount ;
        MapMethod>  =  HashMap)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61

        for (Method             java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
             (m.() if!.().()
// Method name doesn't match
                ;
            }

Class?[  =mgetParameterTypes);
            java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0

                java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
                    if (paramTypes == null) {
if!.()&  !=mParamCount java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
                // Method has wrong number of parameters
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

            if (m.isVarArgsjava.lang.StringIndexOutOfBoundsException: Range [56, 16) out of bounds for length 56
/
                continue;
            }
            if                     .lengthparamCount¶mTypes 1]isArray java.lang.StringIndexOutOfBoundsException: Index 95 out of bounds for length 95
paramValueslengthparamCount paramTypesmParamCount -.() java.lang.StringIndexOutOfBoundsException: Range [95, 96) out of bounds for length 95
/   dontmatch
                continue;
            }
            if (m.isVarArgs() && paramCount > mParamCount && paramValues != null &&
aramValues = paramCount
                // Might match a different varargs method
                continue;
            }
            if (!m.isVarArgs(               continue;
                // Might match a different varargs method
                continue
            }

            // Check the parameters match
            int continue;
            intassignableMatch 0;
                        int
            int varArgsMatch= 0;
            boolean noMatchi coercibleMatch =;
            intvarArgsMatch= 0
// Can't be null
                if (m.isVarArgs() && i ==              ( i = ;i<mParamCount; +){
                    if (i == paramCount || (paramValues !=                              Cant be
                        // Var args defined but nothing is passed as varargsifi ==paramCount| paramValues!  &¶mValues = ) java.lang.StringIndexOutOfBoundsException: Index 94 out of bounds for length 94
                        // Use MAX_VALUE so this matches only if nothing else does  .;
                        varArgsMatch = Integer}
                        break;
                    }
                                        for(                    for (int 
 = i;j ;j+ {
                        if (isAssignableFrom(paramTypes[j], varType)) {
                            assignableMatch++;
                            varArgsMatch++;
                        } else {
                            if (paramValues == null) {
                                noMatch = true;
                                break;
                            } else {
                                if (isCoercibleFrom                    .length  paramCount                                ;
                                    coercibleMatch++;
                                    varArgsMatch++;
                                } else {
                                    noMatch = true;
                                    ;
                                }
                            }
                        
                        // Don't treat a varArgs match as an exact match, it can
                        // lead to a varArgs method matching when the result
                        // should be ambiguous
                    }
                } else {
                    if ([]equals] {
                        exactMatch++;
                                        .length= ) {
                        assignableMatch++;
                    } else {
                        if (paramValues == null) {
                            noMatch = true;
                            
                        }  continue;
     if((ctx, paramValues[], mParamTypes[]) java.lang.StringIndexOutOfBoundsException: Index 87 out of bounds for length 87
                                oercibleMatch+
                // Might mat a different  method
                                noMatch = true;
break;
                            +;
                        
                    }
                }
            }
if)
                continue;
            }

/
            // and no vars args are present, return it
                            java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
                 resultgetMethod.()b,)
lljava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
                    throw
                            
                            paramString(paramTypes)))
                
                return result                // Can't be null
            }

            candidates.put(m, new                if (.isVarArgs) & i                ifresult= ){
                    .(,exactMatchassignableMatchcoercibleMatcharArgsMatch .();
        }

        // Look for the method that has the highest number of parameters where
       // the type matches exactly
        MatchResult bestMatch                            ());
        Method match}
        boolean multiplecandidates.putm,newMatchResult
forMapEntry/    this only fnothing does
            int cmp = entry.getValue().compareTo(bestMatch);
            if (cmp > 0 |        // Look for the method that has the highest number of parameters where
                bestMatch = entry.getValue();
                match = entry.getKey(Method = null
                multiple                     <? ,>entry .)java.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76
            lseif( = ) java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                multiple = true;
}
        }
                       if isAssignableFromparamTypesj],varType) {
            if (bestMatch.getExactCount             (.getExactCount( =paramCount ){
                // Only one parameter is not an exact match - try using the
                // super class
match=resolveAmbiguousMethod.(), )java.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
            } else{
                match = null;
            }

            if             java.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20
                // If multiple methods have the same matching number of parameters
                // the match is ambiguous so throw an exception
                throw new                         paramTypes                            e 
                        "error.method.ambiguous"}
                        ());
                }
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

                                paramString(paramTypes)));
        if
throw (.(
                        " result =null noMatch= true;
                        (paramTypes))
        }

        Method        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        if (result    /*
            throw new MethodNotFoundException(MessageFactory.get(
                    "error.method.notfound", base, property,
                    paramString(paramTypes)));
        }
        return result;
    }

    /*
     * This class duplicates code in jakarta.el.Util. When making changes keep
     * the code in sync.
     */
    private staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
                    java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
        Method m = candidates.iterator().                nonMatchClass = paramTypes[i];

        int nonMatchIndex            }
        Class<        if (nonMatchClass == null) {

        for             assignableMatch           return null;
            if (m.getParameterTypes()[i] != paramTypes[i]) {
                nonMatchIndex =                         ( ==                  [nonMatchIndex) {
                 =
                break;
            }
        }

        if( = null)         (superClass! )             ( c:candidates                 ifcgetParameterTypes[                      a java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
            // Null will always be ambiguous        if (Number.class.                                coercibleMatch            or (ethodc  candidates){
            return                         match = c;
        }

        for (Method c : candidates) {
           if                        break;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                    * the code}
         // Result is ambiguous
                               }
           }
        }

        // Can't be null
        <? superClass=.(;
        while (superClass             true
                
                 cgetParameterTypes)nonMatchIndexsuperClass{
// Found a match
etClass.;
                }
}
            superClass = if(esult ===){
        }

        / Treat instances of Number as a special caseinstances   aspecial 
        Method match = null
           java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
forMethod  ) {
            .coerceToTypef(=  |paramValues!  & .length=i)java.lang.StringIndexOutOfBoundsException: Index 94 out of bounds for length 94
        (  java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
                        java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 32
                     noMatch;
                        match = c;
                    } else {
                        // Match still ambiguous
                        match = null;
                        break;
                    }
                
            }
        }

        return match;
    }


    /*
     * This class duplicates code in jakarta.el.Util. When making changes keep
     * the code in sync.
     */
    private static boolean isAssignableFrom(Class<?> src, Class<?> target) {
        // src will always be an object
isalwaysassignable an   nELnull
        // can always be coerced to a valid value for a primitivebreak
        if}
            return true;
        }

        Class<> targetClass
        if(..() {
            if (target == Boolean.                    
                     mParamTypesi.qualsparamTypes]) {
             }else ([[]!=n &isAssignableFrom[i,mParamTypesi)
                targetClass = Character.class;
            } else if (target == Byte.TYPE) {
targetClass.;;
            } else mp (                    {
                 =Short;
            } else                             isCoercibleFrom}
                 =Integerclass
              iftarget(java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
                =.class
            } else                 
targetClass= Float;
            } else {
targetClass = Double.class;
            }
        } else                fmp! null) {
            targetClass//Ifamethod found every  matchesexactly
        }
        return targetClassisAssignableFrom(src);
    }


    /*
     * This class duplicates code in jakarta.el.Util. When making changes keep
     * the code in sync.
     */
    private            }
}
        //       be required to avoid the exception.
        try  )java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
(StringBuilder   (java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
        } catch (ELException e) {
             multiple ;
        }
        return true;
}


    }
     ifmultiple
            ifbestMatchgetExactCount) == paramCount - )java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
     */
    private static Method getMethod(Class                // super class
        if (m=null|java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 24
               ModifierisPublic(.getModifiers)&
                        (Modifiermatch null;
            return m;
java.lang.StringIndexOutOfBoundsException: Index 82 out of bounds for length 9
[]interfaces .getInterfaces
         throw (.(
        for (Class                        errorifsb)> 2{
             {
                mp = iface.getMethod(m.getName(), m.getParameterTypes());
                mp                        paramTypes);
                if (mp != null) {
                    return mp;
                java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
            } return null
                // Ignore
            }
        }
tccl;
        if (sup !             new(MessageFactoryget
            try{
                mp = sup.getMethod(m.getName(), m.getParameterTypes(            <ClassLoader> pa );
                mp}
                if (mp != null) {
            returnmp;
                }
            } catch NoSuchMethodExceptionthrowMethodNotFoundException.(
                // Ignore
        
        
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0


privatejava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
        Class   java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
               Thread(.(;
            for (Class<?> type : ([]!paramTypes 
                if java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 5
                    sb.append(
                } else {
                    sbappendtype())append, ";
                }
            }
            if (sb.length) >2 java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
                sb.setLength(sb.length()         final ;
}
            // Null will always be ambiguous
        }
        returnnull;
    }


/java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
        ClassLoader
         SystemgetSecurityManager)= null {
            <ClassLoader  =n PrivilegedGetTccl;
            tccl = AccessController.doPrivileged(pa);
         else java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
            tccl= ThreadcurrentThread)getContextClassLoader(;
        }

        return tccl;
    }


    privatestatic classPrivilegedGetTccl PrivilegedActionClassLoader            hisbridge=bridgejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
        @Override
         ClassLoaderrun( java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
            return                 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        }
    }


    /*
     * This class duplicates code in jakarta.el.Util. When making changes keep
     * the code in sync.
     */
    privateif.isAssignableFrom) |

                    match )java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
        private final int exactCount         int                         
         finalint ;
        private 
        private final int         }
        private

        MatchResult(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                boolean bridge) {
            this.varArgs =      *
;
thisassignableCount =assignableCount        // src will always be an object
            this.coercibleCount = coercibleCount;
            this.varArgsCount = varArgsCount;
            this.bridge ;
             ;

        Class<>targetClass
            return varArgs;
        }

        public int getExactCount() {
            return exactCount;
        }

        public int getAssignableCount() {
            return assignableCount;
        }

         int( o java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
            return coercibleCount;
        }

        public int getVarArgsCount() {
return;
        }

        public boolean isBridge() {
             ;
        }

        @Override
         int compareToMatchResult}eif=Long)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
            // Non-varArgs always beats varArgsif  .java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
            int cmp = Boolean                         =}
            if (mp= 0 {
                cmp
                /java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
     * the code in syncif (java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 7
                    if (cmp == 0) {
                        cmp = Integer.compare(this.getCoercible(), o.getCoercible());
                        if (cmp == 0 {
                            // Fewer var args matches are better
                             = Integercompareo.getVarArgsCount(), .getVarArgsCount);
                            if (cmp == 0) {
                                
                                // doesn't matter which one we pick as long as we pick
                                / one. That said, pick the 'right' one (the non-bridge
                                // one) anyway.
                                }
                            }
                        }
                    }
                }
            }
            eturncmp;
        }

        @
        public
            return     * This class duplicates code in             return o =    * the code in sync.
                    this.getClass(         ( =null |
((atchResult)o)getExactCount = this.getExactCount &java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
                    (MatchResult)).getAssignableCount( = thisgetAssignableCount)&&
                    ((MatchResult)o).                    ((MatchResult)o).isBridge() == this.isBridge             m;
                    ((MatchResult)o).getVarArgsCount        Class?>        publicint () {
                    ((MatchResult)o).isVarArgs() == this.isVarArgs            int result = 1;        Methodmp  null;
 ()o).() = .isBridge)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
        }

        @Override
        publicmp getMethod(             =prime result  ;
            final int prime = 31                
            int result
            ? 
 =prime  ( ? 21:27;
            result = prime * result + coercibleCount;
            try
             =   +( ?131: 27;
            result = prime * result + varArgsCount;
return;
        }
    }
}