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/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed 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.modelmapper.internal.converter;

import org.modelmapper.spi.ConditionalConverter;
import org.modelmapper.spi.MappingContext;

/**
 * Converts to {@link String} instances.
 * 
 * @author Jonathan Halterman
 */
class StringConverter implements ConditionalConverter {
  public String convert(MappingContext context) {
    Object source = context.getSource();
    if (source == null)
      return null;

    Class sourceType = context.getSourceType();
    return sourceType.isArray() && sourceType.getComponentType() == Character.TYPE
        || sourceType.getComponentType() == Character.class ? String.valueOf((char[]) source)
        : source.toString();
  }

  public MatchResult match(Class sourceType, Class destinationType) {
    return destinationType == String.class ? sourceType == String.class ? MatchResult.FULL
        : MatchResult.PARTIAL : MatchResult.NONE;
  }
}