/*
* Copyright 2014, 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.
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* 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
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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package org.jf.dexlib2.rewriter;
import org.jf.dexlib2.base.reference.BaseTypeReference;
import org.jf.dexlib2.iface.reference.TypeReference;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.*;
public class RewriterUtils {
@Nullable
public static <T> T rewriteNullable(@Nonnull Rewriter<T> rewriter, @Nullable T value) {
return value==null?null:rewriter.rewrite(value);
}
public static <T> Set<T> rewriteSet(@Nonnull final Rewriter<T> rewriter,
@Nonnull final Set<? extends T> set) {
return new AbstractSet<T>() {
@Nonnull @Override public Iterator<T> iterator() {
final Iterator<? extends T> iterator = set.iterator();
return new Iterator<T>() {
@Override public boolean hasNext() {
return iterator.hasNext();
}
@Override public T next() {
return rewriteNullable(rewriter, iterator.next());
}
@Override public void remove() {
iterator.remove();
}
};
}
@Override public int size() {
return set.size();
}
};
}
public static <T> List<T> rewriteList(@Nonnull final Rewriter<T> rewriter,
@Nonnull final List<? extends T> list) {
return new AbstractList<T>() {
@Override public T get(int i) {
return rewriteNullable(rewriter, list.get(i));
}
@Override public int size() {
return list.size();
}
};
}
public static <T> Iterable<T> rewriteIterable(@Nonnull final Rewriter<T> rewriter,
@Nonnull final Iterable<? extends T> iterable) {
return new Iterable<T>() {
@Override public Iterator<T> iterator() {
final Iterator<? extends T> iterator = iterable.iterator();
return new Iterator<T>() {
@Override public boolean hasNext() {
return iterator.hasNext();
}
@Override public T next() {
return rewriteNullable(rewriter, iterator.next());
}
@Override public void remove() {
iterator.remove();
}
};
}
};
}
public static TypeReference rewriteTypeReference(@Nonnull final Rewriter<String> typeRewriter,
@Nonnull final TypeReference typeReference) {
return new BaseTypeReference() {
@Nonnull @Override public String getType() {
return typeRewriter.rewrite(typeReference.getType());
}
};
}
}