core/src/test/java/com/att/cadi/test/JU_BufferedServletInputStream.java

   1 /*******************************************************************************\r
   2  * ============LICENSE_START====================================================\r
   3  * * org.onap.aaf\r
   4  * * ===========================================================================\r
   5  * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * * ===========================================================================\r
   7  * * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * * you may not use this file except in compliance with the License.\r
   9  * * You may obtain a copy of the License at\r
  10  * * \r
  11  *  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  * * \r
  13  *  * Unless required by applicable law or agreed to in writing, software\r
  14  * * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * * See the License for the specific language governing permissions and\r
  17  * * limitations under the License.\r
  18  * * ============LICENSE_END====================================================\r
  19  * *\r
  20  * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
  21  * *\r
  22  ******************************************************************************/\r
  23 package com.att.cadi.test;\r
  24 \r
  25 import static junit.framework.Assert.assertEquals;\r
  26 \r
  27 import java.io.ByteArrayInputStream;\r
  28 import java.io.FileInputStream;\r
  29 import java.io.IOException;\r
  30 \r
  31 import org.junit.Test;\r
  32 \r
  33 import com.att.cadi.BufferedServletInputStream;\r
  34 \r
  35 public class JU_BufferedServletInputStream {\r
  36 \r
  37         @Test\r
  38         public void testByteRead() throws Exception {\r
  39                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
  40                 BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
  41                         try {\r
  42                         bsis.mark(0);\r
  43                         int c;\r
  44                         byte aa[] = new byte[260];\r
  45                         for(int i=0;i<aa.length;++i) {\r
  46                                 c = bsis.read();\r
  47                                 if(c>=0) {\r
  48                                         aa[i]=(byte)c;\r
  49                                 }\r
  50                         }\r
  51                         System.out.println(new String(aa));\r
  52                         \r
  53                         bsis.reset();\r
  54 \r
  55                         byte bb[] = new byte[400];\r
  56                         for(int i=0;i<bb.length;++i) {\r
  57                                 c = bsis.read();\r
  58                                 if(c>=0) {\r
  59                                         bb[i]=(byte)c;\r
  60                                 }\r
  61                         }\r
  62                         System.out.println(new String(bb));\r
  63 \r
  64                 } finally {\r
  65                         bsis.close();\r
  66                         fis.close();\r
  67                 }\r
  68         }\r
  69         \r
  70         @Test\r
  71         public void testByteArray() throws Exception {\r
  72                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
  73                 BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
  74                 try {\r
  75                         bsis.mark(0);\r
  76                         byte aa[] = new byte[260];\r
  77                         bsis.read(aa);\r
  78                         System.out.println(new String(aa));\r
  79                         \r
  80                         bsis.reset();\r
  81 \r
  82                         byte bb[] = new byte[400];\r
  83                         bsis.read(bb);\r
  84                         System.out.println(new String(bb));\r
  85 \r
  86                 } finally {\r
  87                         bsis.close();\r
  88                         fis.close();\r
  89                 }\r
  90         }\r
  91 \r
  92         @Test\r
  93         public void testDoubleRead() throws Exception {\r
  94                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
  95                 BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
  96                 try {\r
  97                         bsis.mark(0);\r
  98                         byte aa[] = new byte[260];\r
  99                         bsis.read(aa);\r
 100                         System.out.println(new String(aa));\r
 101                         \r
 102                         bsis.reset();\r
 103 \r
 104                         byte bb[] = new byte[400];\r
 105                         bsis.read(bb);\r
 106                         System.out.println(new String(bb));\r
 107 \r
 108                 } finally {\r
 109                         bsis.close();\r
 110                         fis.close();\r
 111                 }\r
 112         }\r
 113 \r
 114         @Test\r
 115         public void testByteArray2() throws Exception {\r
 116                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
 117                 try {\r
 118                         BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
 119                         byte[] content = null;\r
 120                         byte aa[] = new byte[500];\r
 121                         for(int i=0;i<2000;++i) {\r
 122                                 bsis.mark(0);\r
 123                                 bsis.read(aa,0,260);\r
 124                                 if(i==0)System.out.println(new String(aa));\r
 125                                 \r
 126                                 bsis.reset();\r
 127         \r
 128                                 bsis.read(aa,0,aa.length);\r
 129                                 if(i==0) {\r
 130                                         System.out.println(new String(aa));\r
 131                                         content = aa;\r
 132                                         aa = new byte[400];\r
 133                                 }\r
 134                                 bsis = new BufferedServletInputStream(new ByteArrayInputStream(content));\r
 135                                 \r
 136                         }\r
 137                         \r
 138                         System.out.println(new String(aa));\r
 139 \r
 140                 } finally {\r
 141                         fis.close();\r
 142                 }\r
 143         }\r
 144 \r
 145         // "Bug" 4/22/2013 \r
 146         // Some XML code expects Buffered InputStream can never return 0...  This isn't actually true, but we'll accommodate as far\r
 147         // as we can. \r
 148         // Here, we make sure we set and read the Buffered data, making sure the buffer is empty on the last test...\r
 149         @Test\r
 150         public void issue04_22_2013() throws IOException {\r
 151                 String testString = "We want to read in and get out with a Buffered Stream seamlessly.";\r
 152                 ByteArrayInputStream bais = new ByteArrayInputStream(testString.getBytes());\r
 153                 BufferedServletInputStream bsis = new BufferedServletInputStream(bais);\r
 154                         try {\r
 155                         bsis.mark(0);\r
 156                         byte aa[] = new byte[testString.length()];  // 65 count... important for our test (divisible by 5);\r
 157 \r
 158                         int read;\r
 159                         for(int i=0;i<aa.length;i+=5) {\r
 160                                 read = bsis.read(aa, i, 5);\r
 161                                 assertEquals(5,read);\r
 162                         }\r
 163                         System.out.println(new String(aa));\r
 164                         \r
 165                         bsis.reset();\r
 166 \r
 167                         byte bb[] = new byte[aa.length];\r
 168                         read = 0;\r
 169                         for(int i=0;read>=0;i+=read) {\r
 170                                 read = bsis.read(bb,i,5);\r
 171                                 switch(i) {\r
 172                                         case 65:\r
 173                                                 assertEquals(read,-1);\r
 174                                                 break;\r
 175                                         default:\r
 176                                                 assertEquals(read,5);\r
 177                                 }\r
 178                         }\r
 179                         System.out.println(new String(bb));\r
 180                         assertEquals(testString,new String(aa));\r
 181                         assertEquals(testString,new String(bb));\r
 182 \r
 183                 } finally {\r
 184                         bsis.close();\r
 185                         bais.close();\r
 186                 }\r
 187                 \r
 188         }\r
 189         \r
 190 \r
 191 }\r