extensions/serializer/src/main/java/org/apache/abdera/converter/impl/TextConverter.java

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  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.  For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.abdera.converter.impl;

import java.lang.reflect.AccessibleObject;

import javax.xml.namespace.QName;

import org.apache.abdera.converter.Conventions;
import org.apache.abdera.converter.ConversionContext;
import org.apache.abdera.converter.ObjectContext;
import org.apache.abdera.converter.annotation.TextType;
import org.apache.abdera.converter.annotation.Value;
import org.apache.abdera.model.Div;
import org.apache.abdera.model.Text;

public class TextConverter 
  extends QNameConverter<Text> {
  
  protected TextConverter(QName qname) {
    super(qname);
  }

  @Override 
  protected Text create(
    ConversionContext context) {
      return context.getAbdera().getFactory()
        .newText(getQName(), null, null);
  }

  @Override protected void finish(
    Object source, 
    ObjectContext objectContext,
    ConversionContext context, 
    Text dest) {
    String text = dest.getText();
    if (text == null || text.trim().length() == 0) {
      dest.setValue(source.toString());
      
      TextType tt = objectContext.getAnnotation(TextType.class);
      Text.Type type = tt != null ? tt.value() : Text.Type.TEXT;
      
      dest.setTextType(type);
      dest.setValue(source.toString());
      
    }
  }

  @Override 
  protected void process(
    Object source, 
    ObjectContext objectContext,
    ConversionContext context, 
    Conventions conventions, 
    Text dest,
    AccessibleObject accessor) {
      
    if (accessor.isAnnotationPresent(Value.class) || 
        Value.class.equals(conventions.matchConvention(accessor))) {
     
      StringConverter c = new StringConverter();
      Object value = eval(accessor, source);
      ObjectContext valueContext = new ObjectContext(value);
      if (value instanceof Div) {
        dest.setValueElement((Div)value);
        dest.setTextType(Text.Type.XHTML);
      } else {
        StringBuffer result = c.convert(value, valueContext, context);
        if (result != null) dest.setValue(result.toString());      
        if (accessor.isAnnotationPresent(TextType.class)) {
          TextType tt = accessor.getAnnotation(TextType.class);
          dest.setTextType(tt.value());
        }
      }
    } else if (accessor.isAnnotationPresent(TextType.class) || 
        TextType.class.equals(conventions.matchConvention(accessor))) {
      
    }
    
  }

}