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/*
* 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 METHOD_PROTO = 4;
public static final int CALL_SITE = 5;
public static final int METHOD_HANDLE = 6;
public static final int NONE = 7;
public static String toString(int referenceType) {
switch (referenceType) {
case STRING:
return "string";
case TYPE:
return "type";
case FIELD:
return "field";
case METHOD:
return "method";
case METHOD_PROTO:
return "method_proto";
case CALL_SITE:
return "call_site";
case METHOD_HANDLE:
return "method_handle";
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 if (reference instanceof MethodProtoReference) {
return METHOD_PROTO;
} else if (reference instanceof CallSiteReference) {
return CALL_SITE;
} else if (reference instanceof MethodHandleReference) {
return METHOD_HANDLE;
} 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 > 4) {
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() {}
}
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