misc/rosetta/src/main/java/org/onap/aaf/misc/rosetta/marshal/DataWriter.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * 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, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.misc.rosetta.marshal;
  23
  24 import javax.xml.datatype.XMLGregorianCalendar;
  25
  26 import org.onap.aaf.misc.env.util.Chrono;
  27
  28 /**
  29  * We make these objects instead of static functions so they can be passed into
  30  * FieldArray.
  31  *
  32  * @author Jonathan
  33  *
  34  * @param <T>
  35  */
  36 public abstract class DataWriter<T> {
  37         public abstract boolean write(T t, StringBuilder sb);
  38
  39         public final static DataWriter<String> STRING = new DataWriter<String>() {
  40                 @Override
  41                 public boolean write(String s, StringBuilder sb) {
  42                         sb.append(s);
  43                         return true;
  44                 }
  45         };
  46
  47         public final static DataWriter<Integer> INTEGER = new DataWriter<Integer>() {
  48                 @Override
  49                 public boolean write(Integer i, StringBuilder sb) {
  50                         sb.append(i);
  51                         return false;
  52                 }
  53         };
  54
  55         public final static DataWriter<Long> LONG = new DataWriter<Long>() {
  56                 @Override
  57                 public boolean write(Long t, StringBuilder sb) {
  58                         sb.append(t);
  59                         return false;
  60                 }
  61         };
  62
  63         public final static DataWriter<Byte> BYTE = new DataWriter<Byte>() {
  64                 @Override
  65                 public boolean write(Byte t, StringBuilder sb) {
  66                         sb.append(t);
  67                         return false;
  68                 }
  69         };
  70
  71         public final static DataWriter<Character> CHAR = new DataWriter<Character>() {
  72                 @Override
  73                 public boolean write(Character t, StringBuilder sb) {
  74                         sb.append(t);
  75                         return true;
  76                 }
  77         };
  78
  79         public final static DataWriter<Boolean> BOOL = new DataWriter<Boolean>() {
  80                 @Override
  81                 public boolean write(Boolean t, StringBuilder sb) {
  82                         sb.append(t);
  83                         return true;
  84                 }
  85         };
  86
  87
  88         /*
  89         public final static DataWriter<byte[]> BYTE_ARRAY = new DataWriter<byte[]>() {
  90                 @Override
  91                 public boolean write(byte[] ba, StringBuilder sb) {
  92                         ByteArrayInputStream bais = new ByteArrayInputStream(ba);
  93                         StringBuilderOutputStream sbos = new StringBuilderOutputStream(sb);
  94 //                      try {
  95                                 //TODO find Base64
  96 //                              Symm.base64noSplit().encode(bais, sbos);
  97 //                      } catch (IOException e) {
  98 //                              // leave blank
  99 //                      }
 100                         return true;
 101                 }
 102
 103         };
 104         */
 105
 106         public final static DataWriter<XMLGregorianCalendar> DATE = new DataWriter<XMLGregorianCalendar>() {
 107                 @Override
 108                 public boolean write(XMLGregorianCalendar t, StringBuilder sb) {
 109                         sb.append(Chrono.dateOnlyStamp(t));
 110                         return true;
 111                 }
 112         };
 113
 114         public final static DataWriter<XMLGregorianCalendar> DATE_TIME = new DataWriter<XMLGregorianCalendar>() {
 115                 @Override
 116                 public boolean write(XMLGregorianCalendar t, StringBuilder sb) {
 117                         sb.append(Chrono.dateTime(t));
 118                         return true;
 119                 }
 120         };
 121
 122         private static final char[] chars="0123456789ABCDEF".toCharArray();
 123         public final static DataWriter<byte[]> HEX_BINARY = new DataWriter<byte[]>() {
 124                 @Override
 125                 public boolean write(byte[] ba, StringBuilder sb) {
 126                         // FYI, doing this because don't want intermediate
 127                         // String in "HexString" or the processing in
 128                         // "String.format"
 129                         //sb.append("0x");
 130                         for(int i=0;i<ba.length;++i) {
 131                                 byte b = ba[i];
 132                                 sb.append(chars[((b&0xF0)>>4)]);
 133                                 sb.append(chars[b&0xF]);
 134                         }
 135                         return true;
 136                 }
 137         };
 138
 139 }