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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http.impl.nio;
29  
30  import java.io.File;
31  import java.io.FileInputStream;
32  import java.io.InputStreamReader;
33  import java.nio.ByteBuffer;
34  import java.nio.charset.StandardCharsets;
35  
36  class CodecTestUtils {
37  
38      public static ByteBuffer wrap(final String s) {
39          return ByteBuffer.wrap(s.getBytes(StandardCharsets.US_ASCII));
40      }
41  
42      public static String convert(final ByteBuffer src) {
43          src.flip();
44          final StringBuilder buffer = new StringBuilder(src.remaining());
45          while (src.hasRemaining()) {
46              buffer.append((char)(src.get() & 0xff));
47          }
48          return buffer.toString();
49      }
50  
51      public static String readFromFile(final File file) throws Exception {
52          final FileInputStream filestream = new FileInputStream(file);
53          final InputStreamReader reader = new InputStreamReader(filestream);
54          try {
55              final StringBuilder buffer = new StringBuilder();
56              final char[] tmp = new char[2048];
57              int l;
58              while ((l = reader.read(tmp)) != -1) {
59                  buffer.append(tmp, 0, l);
60              }
61              return buffer.toString();
62          } finally {
63              reader.close();
64          }
65      }
66  
67  }