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      1 /*
      2  * Copyright 2016, Google Inc.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 package org.jf.dexlib2.iface;
     33 
     34 import org.jf.dexlib2.Opcodes;
     35 
     36 import javax.annotation.Nonnull;
     37 import javax.annotation.Nullable;
     38 import java.io.IOException;
     39 import java.util.List;
     40 
     41 /**
     42  * This class represents a dex container that can contain multiple, named dex files
     43  */
     44 public interface MultiDexContainer<T extends DexFile> {
     45     /**
     46      * @return A list of the names of dex entries in this container
     47      */
     48     @Nonnull List<String> getDexEntryNames() throws IOException;
     49 
     50     /**
     51      * Gets the dex entry with the given name
     52      *
     53      * @param entryName The name of the entry
     54      * @return A DexFile, or null if no entry with that name is found
     55      */
     56     @Nullable T getEntry(@Nonnull String entryName) throws IOException;
     57 
     58     /**
     59      * @return the Opcodes instance associated with this MultiDexContainer
     60      */
     61     @Nonnull Opcodes getOpcodes();
     62 
     63     /**
     64      * This class represents a dex file that is contained in a MultiDexContainer
     65      */
     66     interface MultiDexFile extends DexFile {
     67         /**
     68          * @return The name of this entry within its container
     69          */
     70         @Nonnull String getEntryName();
     71 
     72         /**
     73          * @return The MultiDexContainer that contains this dex file
     74          */
     75         @Nonnull MultiDexContainer<? extends MultiDexFile> getContainer();
     76     }
     77 }
     78