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.builder;
33
34import org.jf.dexlib2.base.BaseExceptionHandler;
35import org.jf.dexlib2.iface.reference.TypeReference;
36
37import javax.annotation.Nonnull;
38import javax.annotation.Nullable;
39
40public abstract class BuilderExceptionHandler extends BaseExceptionHandler {
41    @Nonnull protected final Label handler;
42
43    private BuilderExceptionHandler(@Nonnull Label handler) {
44        this.handler = handler;
45    }
46
47    @Nonnull
48    public Label getHandler() {
49        return handler;
50    }
51
52    static BuilderExceptionHandler newExceptionHandler(@Nullable final TypeReference exceptionType,
53                                                @Nonnull Label handler) {
54        if (exceptionType == null) {
55            return newExceptionHandler(handler);
56        }
57        return new BuilderExceptionHandler(handler) {
58            @Nullable @Override public String getExceptionType() {
59                return exceptionType.getType();
60            }
61
62            @Override public int getHandlerCodeAddress() {
63                return handler.getCodeAddress();
64            }
65
66            @Nullable @Override public TypeReference getExceptionTypeReference() {
67                return exceptionType;
68            }
69        };
70    }
71
72    static BuilderExceptionHandler newExceptionHandler(@Nonnull Label handler) {
73        return new BuilderExceptionHandler(handler) {
74            @Nullable @Override public String getExceptionType() {
75                return null;
76            }
77
78            @Override public int getHandlerCodeAddress() {
79                return handler.getCodeAddress();
80            }
81        };
82    }
83
84    static BuilderExceptionHandler newExceptionHandler(@Nullable final String exceptionType,
85                                                @Nonnull Label handler) {
86        if (exceptionType == null) {
87            return newExceptionHandler(handler);
88        }
89        return new BuilderExceptionHandler(handler) {
90            @Nullable @Override public String getExceptionType() {
91                return exceptionType;
92            }
93
94            @Override public int getHandlerCodeAddress() {
95                return handler.getCodeAddress();
96            }
97        };
98    }
99}
100