content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.core.metamodel.valuesemantics;
  
  import java.util.function.UnaryOperator;
  
  import jakarta.annotation.Priority;
  import jakarta.inject.Named;
  
  import org.springframework.stereotype.Component;
  
  import org.apache.causeway.applib.annotation.PriorityPrecedence;
  import org.apache.causeway.applib.util.schema.CommonDtoUtils;
  import org.apache.causeway.applib.value.Clob;
  import org.apache.causeway.applib.value.NamedWithMimeType.CommonMimeType;
  import org.apache.causeway.applib.value.semantics.Renderer;
  import org.apache.causeway.applib.value.semantics.ValueDecomposition;
  import org.apache.causeway.applib.value.semantics.ValueSemanticsAbstract;
  import org.apache.causeway.applib.value.semantics.ValueSemanticsProvider;
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.schema.common.v2.ValueType;
  
  @Component
  @Named("causeway.metamodel.value.ClobValueSemantics")
  @Priority(PriorityPrecedence.LATE)
  public class ClobValueSemantics
  extends ValueSemanticsAbstract<Clob>
  implements
      Renderer<Clob> {
  
      @Override
      public Class<Clob> getCorrespondingClass() {
          return Clob.class;
      }
  
      @Override
      public ValueType getSchemaValueType() {
          return ValueType.CLOB;
      }
  
      // -- COMPOSER
  
      @Override
      public ValueDecomposition decompose(final Clob value) {
          return decomposeAsNullable(value, UnaryOperator.identity(), ()->null);
      }
  
      @Override
      public Clob compose(final ValueDecomposition decomposition) {
          return composeFromNullable(
                  decomposition, dto->(Clob)CommonDtoUtils.getValueAsObject(dto), UnaryOperator.identity(), ()->null);
      }
  
      // RENDERER
  
      @Override
      public String titlePresentation(final ValueSemanticsProvider.Context context, final Clob value) {
          return renderTitle(value, Clob::getName);
      }
  
      @Override
      public String htmlPresentation(final ValueSemanticsProvider.Context context, final Clob value) {
          return renderHtml(value, Clob::getName);
      }
  
      // -- ENCODER DECODER
  
  //    private String toEncodedString(final Clob clob) {
  //        return clob.getName() + ":" + clob.getMimeType().getBaseType() + ":" + clob.getChars();
  //    }
  //
  //    private Clob fromEncodedString(final String data) {
  //        final int colonIdx = data.indexOf(':');
  //        final String name  = data.substring(0, colonIdx);
  //        final int colon2Idx  = data.indexOf(":", colonIdx+1);
  //        final String mimeTypeBase = data.substring(colonIdx+1, colon2Idx);
  //        final CharSequence chars = data.substring(colon2Idx+1);
  //        try {
  //            return new Clob(name, new MimeType(mimeTypeBase), chars);
  //        } catch (MimeTypeParseException e) {
  //            throw new RuntimeException(e);
  //        }
  //    }
  
      // -- EXAMPLES
  
      @Override
      public Can<Clob> getExamples() {
          return Can.of(
                  Clob.of("a Clob", CommonMimeType.TXT, "abc"),
                  Clob.of("another Clob", CommonMimeType.TXT, "ef"));
      }
  
  }
  