1  /*
 2    *  Copyright (C) 2022 github.com/REAndroid
 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  package com.reandroid.archive;
17  
18  import java.io.File;
19  import java.io.IOException;
20  import java.io.InputStream;
21  import java.io.OutputStream;
22  
23  public class RenamedInputSource<T extends InputSource> extends InputSource {
24      private final T inputSource;
25      public RenamedInputSource(String name, T input){
26          super(name);
27          this.inputSource=input;
28          super.setMethod(input.getMethod());
29          super.setSort(input.getSort());
30      }
31  
32      @SuppressWarnings("unchecked")
33      public<T1 extends InputSource> T1 getParentInputSource(Class<T1> instance){
34          InputSource inputSource = getInputSource();
35          if(instance.isInstance(inputSource)){
36              return (T1) inputSource;
37          }
38          if(inputSource instanceof RenamedInputSource){
39              RenamedInputSource<?> parent = (RenamedInputSource<?>) inputSource;
40              return parent.getParentInputSource(instance);
41          }
42          return null;
43      }
44      public T getInputSource() {
45          return inputSource;
46      }
47      @Override
48      public void close(InputStream inputStream) throws IOException {
49          getInputSource().close(inputStream);
50      }
51      @Override
52      public long getLength() throws IOException {
53          return getInputSource().getLength();
54      }
55      @Override
56      public long getCrc() throws IOException {
57          return getInputSource().getCrc();
58      }
59      @Override
60      public void write(File file) throws IOException {
61          getInputSource().write(file);
62      }
63      @Override
64      public long write(OutputStream outputStream) throws IOException {
65          return getInputSource().write(outputStream);
66      }
67      @Override
68      public InputStream openStream() throws IOException {
69          return getInputSource().openStream();
70      }
71  }