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dexlib2 is a library for reading/modifying/writing Android dex files
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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.immutable;
import com.google.common.collect.ImmutableList;
import org.jf.dexlib2.base.BaseTryBlock;
import org.jf.dexlib2.iface.ExceptionHandler;
import org.jf.dexlib2.iface.TryBlock;
import org.jf.util.ImmutableConverter;
import org.jf.util.ImmutableUtils;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.List;
public class ImmutableTryBlock extends BaseTryBlock {
protected final int startCodeAddress;
protected final int codeUnitCount;
@Nonnull protected final ImmutableList exceptionHandlers;
public ImmutableTryBlock(int startCodeAddress,
int codeUnitCount,
@Nullable List exceptionHandlers) {
this.startCodeAddress = startCodeAddress;
this.codeUnitCount = codeUnitCount;
this.exceptionHandlers = ImmutableExceptionHandler.immutableListOf(exceptionHandlers);
}
public ImmutableTryBlock(int startCodeAddress,
int codeUnitCount,
@Nullable ImmutableList exceptionHandlers) {
this.startCodeAddress = startCodeAddress;
this.codeUnitCount = codeUnitCount;
this.exceptionHandlers = ImmutableUtils.nullToEmptyList(exceptionHandlers);
}
public static ImmutableTryBlock of(TryBlock tryBlock) {
if (tryBlock instanceof ImmutableTryBlock) {
return (ImmutableTryBlock)tryBlock;
}
return new ImmutableTryBlock(
tryBlock.getStartCodeAddress(),
tryBlock.getCodeUnitCount(),
tryBlock.getExceptionHandlers());
}
@Override public int getStartCodeAddress() { return startCodeAddress; }
@Override public int getCodeUnitCount() { return codeUnitCount; }
@Nonnull @Override public ImmutableList getExceptionHandlers() {
return exceptionHandlers;
}
@Nonnull
public static ImmutableList immutableListOf(
@Nullable List> list) {
return CONVERTER.toList(list);
}
private static final ImmutableConverter> CONVERTER =
new ImmutableConverter>() {
@Override
protected boolean isImmutable(@Nonnull TryBlock item) {
return item instanceof ImmutableTryBlock;
}
@Nonnull
@Override
protected ImmutableTryBlock makeImmutable(@Nonnull TryBlock item) {
return ImmutableTryBlock.of(item);
}
};
}