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      1 /*
      2  * Copyright 2013, Google Inc.
      3  * All rights reserved.
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      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 package org.jf.dexlib2.analysis.reflection;
     33 
     34 import com.google.common.collect.ImmutableSet;
     35 import org.jf.dexlib2.analysis.reflection.util.ReflectionUtils;
     36 import org.jf.dexlib2.base.BaseMethodParameter;
     37 import org.jf.dexlib2.base.reference.BaseMethodReference;
     38 import org.jf.dexlib2.iface.Annotation;
     39 import org.jf.dexlib2.iface.Method;
     40 import org.jf.dexlib2.iface.MethodImplementation;
     41 import org.jf.dexlib2.iface.MethodParameter;
     42 
     43 import javax.annotation.Nonnull;
     44 import javax.annotation.Nullable;
     45 import java.lang.reflect.Constructor;
     46 import java.util.AbstractList;
     47 import java.util.List;
     48 import java.util.Set;
     49 
     50 public class ReflectionConstructor extends BaseMethodReference implements Method {
     51     private final Constructor constructor;
     52 
     53     public ReflectionConstructor(Constructor constructor) {
     54         this.constructor = constructor;
     55     }
     56 
     57     @Nonnull @Override public List<? extends MethodParameter> getParameters() {
     58         final Constructor method = this.constructor;
     59         return new AbstractList<MethodParameter>() {
     60             private final Class[] parameters = method.getParameterTypes();
     61 
     62             @Override public MethodParameter get(final int index) {
     63                 return new BaseMethodParameter() {
     64                     @Nonnull @Override public Set<? extends Annotation> getAnnotations() {
     65                         return ImmutableSet.of();
     66                     }
     67 
     68                     @Nullable @Override public String getName() {
     69                         return null;
     70                     }
     71 
     72                     @Nonnull @Override public String getType() {
     73                         return ReflectionUtils.javaToDexName(parameters[index].getName());
     74                     }
     75                 };
     76             }
     77 
     78             @Override public int size() {
     79                 return parameters.length;
     80             }
     81         };
     82     }
     83 
     84     @Override public int getAccessFlags() {
     85         return constructor.getModifiers();
     86     }
     87 
     88     @Nonnull @Override public Set<? extends Annotation> getAnnotations() {
     89         return ImmutableSet.of();
     90     }
     91 
     92     @Nullable @Override public MethodImplementation getImplementation() {
     93         return null;
     94     }
     95 
     96     @Nonnull @Override public String getDefiningClass() {
     97         return ReflectionUtils.javaToDexName(constructor.getDeclaringClass().getName());
     98     }
     99 
    100     @Nonnull @Override public String getName() {
    101         return constructor.getName();
    102     }
    103 
    104     @Nonnull @Override public List<String> getParameterTypes() {
    105         return new AbstractList<String>() {
    106             private final List<? extends MethodParameter> parameters = getParameters();
    107 
    108             @Override public String get(int index) {
    109                 return parameters.get(index).getType();
    110             }
    111 
    112             @Override public int size() {
    113                 return parameters.size();
    114             }
    115         };
    116     }
    117 
    118     @Nonnull @Override public String getReturnType() {
    119         return "V";
    120     }
    121 }
    122