001/**
002 * Copyright 2010-2014 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.common.util.xml.jaxb.adapter;
017
018import javax.xml.bind.annotation.adapters.XmlAdapter;
019
020import org.kuali.common.util.Assert;
021import org.kuali.common.util.Str;
022
023public final class FlattenStringAdapter extends XmlAdapter<String, String> {
024
025        public FlattenStringAdapter() {
026                this(FlattenConstants.DEFAULT_CR_REPLACEMENT, FlattenConstants.DEFAULT_LF_REPLACEMENT);
027        }
028
029        public FlattenStringAdapter(String carriageReturnReplacement, String linefeedReplacement) {
030                // No blanks because this needs to work in both directions (flatten + inflate)
031                Assert.noBlanks(carriageReturnReplacement, linefeedReplacement);
032                this.carriageReturnReplacement = carriageReturnReplacement;
033                this.linefeedReplacement = linefeedReplacement;
034        }
035
036        private final String carriageReturnReplacement;
037        private final String linefeedReplacement;
038
039        @Override
040        public String marshal(String string) {
041                if (string != null) {
042                        return Str.flatten(string, carriageReturnReplacement, linefeedReplacement);
043                } else {
044                        return null;
045                }
046        }
047
048        @Override
049        public String unmarshal(String value) {
050                if (value == null) {
051                        return null;
052                } else {
053                        return Str.inflate(value, carriageReturnReplacement, linefeedReplacement);
054                }
055        }
056
057        public String getCarriageReturnReplacement() {
058                return carriageReturnReplacement;
059        }
060
061        public String getLinefeedReplacement() {
062                return linefeedReplacement;
063        }
064
065}