xref: /external/smali/baksmali/src/main/java/org/jf/baksmali/ListClassesCommand.java

/*
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 * 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
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 * contributors may be used to endorse or promote products derived from
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package org.jf.baksmali;

import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.util.jcommander.ExtendedParameters;

import javax.annotation.Nonnull;
import java.util.List;

@Parameters(commandDescription = "Lists the classes in a dex file.")
@ExtendedParameters(
        commandName = "classes",
        commandAliases = { "class", "c" })
public class ListClassesCommand extends DexInputCommand {

    @Parameter(names = {"-h", "-?", "--help"}, help = true,
            description = "Show usage information")
    private boolean help;

    public ListClassesCommand(@Nonnull List<JCommander> commandAncestors) {
        super(commandAncestors);
    }

    @Override public void run() {
        if (help || inputList == null || inputList.isEmpty()) {
            usage();
            return;
        }

        if (inputList.size() > 1) {
            System.err.println("Too many files specified");
            usage();
            return;
        }

        String input = inputList.get(0);
        loadDexFile(input);

        for (ClassDef classDef: dexFile.getClasses()) {
            System.out.println(classDef.getType());
        }
    }
}