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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.dx.cf.iface;
     18 
     19 import com.android.dx.rop.cst.ConstantPool;
     20 import com.android.dx.rop.cst.CstString;
     21 import com.android.dx.rop.cst.CstType;
     22 import com.android.dx.rop.type.TypeList;
     23 
     24 /**
     25  * Interface for things which purport to be class files or reasonable
     26  * facsimiles thereof.
     27  *
     28  * <p><b>Note:</b> The fields referred to in this documentation are of the
     29  * {@code ClassFile} structure defined in vmspec-2 sec4.1.
     30  */
     31 public interface ClassFile {
     32     /**
     33      * Gets the field {@code magic}.
     34      *
     35      * @return the value in question
     36      */
     37     public int getMagic();
     38 
     39     /**
     40      * Gets the field {@code minor_version}.
     41      *
     42      * @return the value in question
     43      */
     44     public int getMinorVersion();
     45 
     46     /**
     47      * Gets the field {@code major_version}.
     48      *
     49      * @return the value in question
     50      */
     51     public int getMajorVersion();
     52 
     53     /**
     54      * Gets the field {@code access_flags}.
     55      *
     56      * @return the value in question
     57      */
     58     public int getAccessFlags();
     59 
     60     /**
     61      * Gets the field {@code this_class}, interpreted as a type constant.
     62      *
     63      * @return {@code non-null;} the value in question
     64      */
     65     public CstType getThisClass();
     66 
     67     /**
     68      * Gets the field {@code super_class}, interpreted as a type constant
     69      * if non-zero.
     70      *
     71      * @return {@code null-ok;} the value in question
     72      */
     73     public CstType getSuperclass();
     74 
     75     /**
     76      * Gets the field {@code constant_pool} (along with
     77      * {@code constant_pool_count}).
     78      *
     79      * @return {@code non-null;} the constant pool
     80      */
     81     public ConstantPool getConstantPool();
     82 
     83     /**
     84      * Gets the field {@code interfaces} (along with
     85      * {@code interfaces_count}).
     86      *
     87      * @return {@code non-null;} the list of interfaces
     88      */
     89     public TypeList getInterfaces();
     90 
     91     /**
     92      * Gets the field {@code fields} (along with
     93      * {@code fields_count}).
     94      *
     95      * @return {@code non-null;} the list of fields
     96      */
     97     public FieldList getFields();
     98 
     99     /**
    100      * Gets the field {@code methods} (along with
    101      * {@code methods_count}).
    102      *
    103      * @return {@code non-null;} the list of fields
    104      */
    105     public MethodList getMethods();
    106 
    107     /**
    108      * Gets the field {@code attributes} (along with
    109      * {@code attributes_count}).
    110      *
    111      * @return {@code non-null;} the list of attributes
    112      */
    113     public AttributeList getAttributes();
    114 
    115     /**
    116      * Gets the name out of the {@code SourceFile} attribute of this
    117      * file, if any. This is a convenient shorthand for scrounging around
    118      * the class's attributes.
    119      *
    120      * @return {@code non-null;} the constant pool
    121      */
    122     public CstString getSourceFile();
    123 }
    124