1/*
2 * Copyright 2013, Google Inc.
3 * All rights reserved.
4 *
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
32package org.jf.dexlib2.analysis.reflection;
33
34import com.google.common.collect.ImmutableSet;
35import org.jf.dexlib2.analysis.reflection.util.ReflectionUtils;
36import org.jf.dexlib2.base.BaseMethodParameter;
37import org.jf.dexlib2.base.reference.BaseMethodReference;
38import org.jf.dexlib2.iface.Annotation;
39import org.jf.dexlib2.iface.Method;
40import org.jf.dexlib2.iface.MethodImplementation;
41import org.jf.dexlib2.iface.MethodParameter;
42
43import javax.annotation.Nonnull;
44import javax.annotation.Nullable;
45import java.util.AbstractList;
46import java.util.List;
47import java.util.Set;
48
49public class ReflectionMethod extends BaseMethodReference implements Method {
50    private final java.lang.reflect.Method method;
51
52    public ReflectionMethod(java.lang.reflect.Method method) {
53        this.method = method;
54    }
55
56    @Nonnull @Override public List<? extends MethodParameter> getParameters() {
57        final java.lang.reflect.Method method = this.method;
58        return new AbstractList<MethodParameter>() {
59            private final Class[] parameters = method.getParameterTypes();
60
61            @Override public MethodParameter get(final int index) {
62                return new BaseMethodParameter() {
63                    @Nonnull @Override public Set<? extends Annotation> getAnnotations() {
64                        return ImmutableSet.of();
65                    }
66
67                    @Nullable @Override public String getName() {
68                        return null;
69                    }
70
71                    @Nonnull @Override public String getType() {
72                        return ReflectionUtils.javaToDexName(parameters[index].getName());
73                    }
74                };
75            }
76
77            @Override public int size() {
78                return parameters.length;
79            }
80        };
81    }
82
83    @Override public int getAccessFlags() {
84        return method.getModifiers();
85    }
86
87    @Nonnull @Override public Set<? extends Annotation> getAnnotations() {
88        return ImmutableSet.of();
89    }
90
91    @Nullable @Override public MethodImplementation getImplementation() {
92        return null;
93    }
94
95    @Nonnull @Override public String getDefiningClass() {
96        return ReflectionUtils.javaToDexName(method.getDeclaringClass().getName());
97    }
98
99    @Nonnull @Override public String getName() {
100        return method.getName();
101    }
102
103    @Nonnull @Override public List<String> getParameterTypes() {
104        return new AbstractList<String>() {
105            private final List<? extends MethodParameter> parameters = getParameters();
106
107            @Override public String get(int index) {
108                return parameters.get(index).getType();
109            }
110
111            @Override public int size() {
112                return parameters.size();
113            }
114        };
115    }
116
117    @Nonnull @Override public String getReturnType() {
118        return ReflectionUtils.javaToDexName(method.getReturnType().getName());
119    }
120}
121