core/src/test/java/org/onap/aaf/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
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   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
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  22  ******************************************************************************/\r
  23 package org.onap.aaf.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 import org.onap.aaf.cadi.BufferedServletInputStream;\r
  33 \r
  34 public class JU_BufferedServletInputStream {\r
  35 \r
  36         @Test\r
  37         public void testByteRead() throws Exception {\r
  38                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
  39                 BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
  40                         try {\r
  41                         bsis.mark(0);\r
  42                         int c;\r
  43                         byte aa[] = new byte[260];\r
  44                         for(int i=0;i<aa.length;++i) {\r
  45                                 c = bsis.read();\r
  46                                 if(c>=0) {\r
  47                                         aa[i]=(byte)c;\r
  48                                 }\r
  49                         }\r
  50                         System.out.println(new String(aa));\r
  51                         \r
  52                         bsis.reset();\r
  53 \r
  54                         byte bb[] = new byte[400];\r
  55                         for(int i=0;i<bb.length;++i) {\r
  56                                 c = bsis.read();\r
  57                                 if(c>=0) {\r
  58                                         bb[i]=(byte)c;\r
  59                                 }\r
  60                         }\r
  61                         System.out.println(new String(bb));\r
  62 \r
  63                 } finally {\r
  64                         bsis.close();\r
  65                         fis.close();\r
  66                 }\r
  67         }\r
  68         \r
  69         @Test\r
  70         public void testByteArray() throws Exception {\r
  71                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
  72                 BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
  73                 try {\r
  74                         bsis.mark(0);\r
  75                         byte aa[] = new byte[260];\r
  76                         bsis.read(aa);\r
  77                         System.out.println(new String(aa));\r
  78                         \r
  79                         bsis.reset();\r
  80 \r
  81                         byte bb[] = new byte[400];\r
  82                         bsis.read(bb);\r
  83                         System.out.println(new String(bb));\r
  84 \r
  85                 } finally {\r
  86                         bsis.close();\r
  87                         fis.close();\r
  88                 }\r
  89         }\r
  90 \r
  91         @Test\r
  92         public void testDoubleRead() throws Exception {\r
  93                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
  94                 BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
  95                 try {\r
  96                         bsis.mark(0);\r
  97                         byte aa[] = new byte[260];\r
  98                         bsis.read(aa);\r
  99                         System.out.println(new String(aa));\r
 100                         \r
 101                         bsis.reset();\r
 102 \r
 103                         byte bb[] = new byte[400];\r
 104                         bsis.read(bb);\r
 105                         System.out.println(new String(bb));\r
 106 \r
 107                 } finally {\r
 108                         bsis.close();\r
 109                         fis.close();\r
 110                 }\r
 111         }\r
 112 \r
 113         @Test\r
 114         public void testByteArray2() throws Exception {\r
 115                 FileInputStream fis = new FileInputStream("test/CBUSevent.xml");\r
 116                 try {\r
 117                         BufferedServletInputStream bsis = new BufferedServletInputStream(fis);\r
 118                         byte[] content = null;\r
 119                         byte aa[] = new byte[500];\r
 120                         for(int i=0;i<2000;++i) {\r
 121                                 bsis.mark(0);\r
 122                                 bsis.read(aa,0,260);\r
 123                                 if(i==0)System.out.println(new String(aa));\r
 124                                 \r
 125                                 bsis.reset();\r
 126         \r
 127                                 bsis.read(aa,0,aa.length);\r
 128                                 if(i==0) {\r
 129                                         System.out.println(new String(aa));\r
 130                                         content = aa;\r
 131                                         aa = new byte[400];\r
 132                                 }\r
 133                                 bsis = new BufferedServletInputStream(new ByteArrayInputStream(content));\r
 134                                 \r
 135                         }\r
 136                         \r
 137                         System.out.println(new String(aa));\r
 138 \r
 139                 } finally {\r
 140                         fis.close();\r
 141                 }\r
 142         }\r
 143 \r
 144         // "Bug" 4/22/2013 \r
 145         // Some XML code expects Buffered InputStream can never return 0...  This isn't actually true, but we'll accommodate as far\r
 146         // as we can. \r
 147         // Here, we make sure we set and read the Buffered data, making sure the buffer is empty on the last test...\r
 148         @Test\r
 149         public void issue04_22_2013() throws IOException {\r
 150                 String testString = "We want to read in and get out with a Buffered Stream seamlessly.";\r
 151                 ByteArrayInputStream bais = new ByteArrayInputStream(testString.getBytes());\r
 152                 BufferedServletInputStream bsis = new BufferedServletInputStream(bais);\r
 153                         try {\r
 154                         bsis.mark(0);\r
 155                         byte aa[] = new byte[testString.length()];  // 65 count... important for our test (divisible by 5);\r
 156 \r
 157                         int read;\r
 158                         for(int i=0;i<aa.length;i+=5) {\r
 159                                 read = bsis.read(aa, i, 5);\r
 160                                 assertEquals(5,read);\r
 161                         }\r
 162                         System.out.println(new String(aa));\r
 163                         \r
 164                         bsis.reset();\r
 165 \r
 166                         byte bb[] = new byte[aa.length];\r
 167                         read = 0;\r
 168                         for(int i=0;read>=0;i+=read) {\r
 169                                 read = bsis.read(bb,i,5);\r
 170                                 switch(i) {\r
 171                                         case 65:\r
 172                                                 assertEquals(read,-1);\r
 173                                                 break;\r
 174                                         default:\r
 175                                                 assertEquals(read,5);\r
 176                                 }\r
 177                         }\r
 178                         System.out.println(new String(bb));\r
 179                         assertEquals(testString,new String(aa));\r
 180                         assertEquals(testString,new String(bb));\r
 181 \r
 182                 } finally {\r
 183                         bsis.close();\r
 184                         bais.close();\r
 185                 }\r
 186                 \r
 187         }\r
 188         \r
 189 \r
 190 }\r