BuilderExceptionHandler.java revision 5ff4ee9a3fc898dbe9a67386e984f14c21338391 
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.ExceptionHandler;
36import org.jf.dexlib2.iface.reference.TypeReference;
37
38import javax.annotation.Nonnull;
39import javax.annotation.Nullable;
40
41class BuilderExceptionHandler {
42    static ExceptionHandler newExceptionHandler(@Nullable final TypeReference exceptionType,
43                                                @Nonnull final Label handler) {
44        if (exceptionType == null) {
45            return newExceptionHandler(handler);
46        }
47        return new BaseExceptionHandler() {
48            @Nullable @Override public String getExceptionType() {
49                return exceptionType.getType();
50            }
51
52            @Override public int getHandlerCodeAddress() {
53                return handler.getCodeAddress();
54            }
55
56            @Nullable @Override public TypeReference getExceptionTypeReference() {
57                return exceptionType;
58            }
59        };
60    }
61
62    static ExceptionHandler newExceptionHandler(@Nonnull final Label handler) {
63        return new BaseExceptionHandler() {
64            @Nullable @Override public String getExceptionType() {
65                return null;
66            }
67
68            @Override public int getHandlerCodeAddress() {
69                return handler.getCodeAddress();
70            }
71        };
72    }
73
74    static ExceptionHandler newExceptionHandler(@Nullable final String exceptionType,
75                                                @Nonnull final Label handler) {
76        if (exceptionType == null) {
77            return newExceptionHandler(handler);
78        }
79        return new BaseExceptionHandler() {
80            @Nullable @Override public String getExceptionType() {
81                return exceptionType;
82            }
83
84            @Override public int getHandlerCodeAddress() {
85                return handler.getCodeAddress();
86            }
87        };
88    }
89}
90