001package org.kuali.common.util.xml.jaxb.adapter;
002
003import javax.xml.bind.annotation.adapters.XmlAdapter;
004
005import org.kuali.common.util.Assert;
006import org.kuali.common.util.Str;
007
008public final class FlattenStringAdapter extends XmlAdapter<String, String> {
009
010        public FlattenStringAdapter() {
011                this(FlattenConstants.DEFAULT_CR_REPLACEMENT, FlattenConstants.DEFAULT_LF_REPLACEMENT);
012        }
013
014        public FlattenStringAdapter(String carriageReturnReplacement, String linefeedReplacement) {
015                // No blanks because this needs to work in both directions (flatten + inflate)
016                Assert.noBlanks(carriageReturnReplacement, linefeedReplacement);
017                this.carriageReturnReplacement = carriageReturnReplacement;
018                this.linefeedReplacement = linefeedReplacement;
019        }
020
021        private final String carriageReturnReplacement;
022        private final String linefeedReplacement;
023
024        @Override
025        public String marshal(String string) {
026                if (string != null) {
027                        return Str.flatten(string, carriageReturnReplacement, linefeedReplacement);
028                } else {
029                        return null;
030                }
031        }
032
033        @Override
034        public String unmarshal(String value) {
035                if (value == null) {
036                        return null;
037                } else {
038                        return Str.inflate(value, carriageReturnReplacement, linefeedReplacement);
039                }
040        }
041
042        public String getCarriageReturnReplacement() {
043                return carriageReturnReplacement;
044        }
045
046        public String getLinefeedReplacement() {
047                return linefeedReplacement;
048        }
049
050}