| /* |
| * Copyright 2012, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.jf.dexlib2; |
| |
| import org.jf.dexlib2.iface.reference.*; |
| import org.jf.util.ExceptionWithContext; |
| |
| public final class ReferenceType { |
| public static final int STRING = 0; |
| public static final int TYPE = 1; |
| public static final int FIELD = 2; |
| public static final int METHOD = 3; |
| public static final int NONE = 4; |
| |
| public static String toString(int referenceType) { |
| switch (referenceType) { |
| case STRING: |
| return "string"; |
| case TYPE: |
| return "type"; |
| case FIELD: |
| return "field"; |
| case METHOD: |
| return "method"; |
| default: |
| throw new InvalidReferenceTypeException(referenceType); |
| } |
| } |
| |
| public static int getReferenceType(Reference reference) { |
| if (reference instanceof StringReference) { |
| return STRING; |
| } else if (reference instanceof TypeReference) { |
| return TYPE; |
| } else if (reference instanceof FieldReference) { |
| return FIELD; |
| } else if (reference instanceof MethodReference) { |
| return METHOD; |
| } else { |
| throw new IllegalStateException("Invalid reference"); |
| } |
| } |
| |
| /** |
| * Validate a specific reference type. Note that the NONE placeholder is specifically not considered valid here. |
| * |
| * @throws InvalidReferenceTypeException |
| */ |
| public static void validateReferenceType(int referenceType) { |
| if (referenceType < 0 || referenceType > 3) { |
| throw new InvalidReferenceTypeException(referenceType); |
| } |
| } |
| |
| public static class InvalidReferenceTypeException extends ExceptionWithContext { |
| private final int referenceType; |
| |
| public InvalidReferenceTypeException(int referenceType) { |
| super("Invalid reference type: %d", referenceType); |
| this.referenceType = referenceType; |
| } |
| |
| public InvalidReferenceTypeException(int referenceType, String message, Object... formatArgs) { |
| super(message, formatArgs); |
| this.referenceType = referenceType; |
| } |
| |
| public int getReferenceType() { |
| return referenceType; |
| } |
| } |
| |
| private ReferenceType() {} |
| } |