dexlib2/src/main/java/org/jf/dexlib2/rewriter/ExceptionHandlerRewriter.java

/*
 * Copyright 2014, Google Inc.
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 * modification, are permitted provided that the following conditions are
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 *
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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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
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package org.jf.dexlib2.rewriter;

import org.jf.dexlib2.base.BaseExceptionHandler;
import org.jf.dexlib2.iface.ExceptionHandler;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;

public class ExceptionHandlerRewriter implements Rewriter<ExceptionHandler> {
    @Nonnull protected final Rewriters rewriters;

    public ExceptionHandlerRewriter(@Nonnull Rewriters rewriters) {
        this.rewriters = rewriters;
    }

    @Nonnull @Override public ExceptionHandler rewrite(@Nonnull ExceptionHandler value) {
        return new RewrittenExceptionHandler(value);
    }

    protected class RewrittenExceptionHandler extends BaseExceptionHandler {
        @Nonnull protected ExceptionHandler exceptionHandler;

        public RewrittenExceptionHandler(@Nonnull ExceptionHandler exceptionHandler) {
            this.exceptionHandler = exceptionHandler;
        }

        @Override @Nullable public String getExceptionType() {
            return RewriterUtils.rewriteNullable(rewriters.getTypeRewriter(), exceptionHandler.getExceptionType());
        }

        @Override public int getHandlerCodeAddress() {
            return exceptionHandler.getHandlerCodeAddress();
        }
    }
}