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

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