/*
 * Copyright 2007 Werner Guttmann
 *
 * 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.exolab.castor.builder.conflict.strategy;


import org.exolab.castor.xml.schema.Annotated;
import org.exolab.castor.xml.schema.ElementDecl;
import org.exolab.castor.xml.schema.XMLType;
import org.exolab.javasource.JClass;

/**
 * Class name conflict resolver implementation, adding a By&lt;Type&gt; suffix to the suggested
 * class name.
 * 
 * @author <a href="mailto:werner DOT guttmann AT gmx DOT net">Werner Guttmann</a>
 */
public class TypeClassNameConflictResolver extends BaseClassNameConflictResolver
    implements ClassNameConflictResolver {

  /**
   * Changes the JClass' internal class name, appedning a type suffix to the suggested class name.
   * 
   * @param jClass The {@link JClass} instance whose local name should be changed.
   * @param xpath XPATH expression used to defer the new local class name
   * @param typedXPath typed XPATH expression used to defer the new local class name
   * @param annotated {@link Annotated} instance
   */
  public void changeClassInfoAsResultOfConflict(final JClass jClass, final String xpath,
      final String typedXPath, final Annotated annotated) {
    String typeString = typedXPath.substring(typedXPath.indexOf("[") + 1, typedXPath.indexOf("]"));
    if (annotated instanceof ElementDecl) {
      ElementDecl element = (ElementDecl) annotated;
      // keep the suggested names for global elements
      if (element.getParent() == element.getSchema()) {
        return;
      }
      // keep the suggested name for element references
      if (element.isReference()) {
        return;
      }
      // keep the suggested class name if the local element is of the same
      // type as the global one
      XMLType xmlType = element.getType();
      ElementDecl globalElement = element.getSchema().getElementDecl(element.getName());
      if (globalElement != null) {
        XMLType globalElementType = globalElement.getType();
        if (globalElementType.getName() != null
            && globalElementType.getName().equals(xmlType.getName())) {
          return;
        }
      }
      if (xmlType.isComplexType() && xmlType.getName() == null) {
        typeString = "/complexType:anon";
      }
    }
    if (typeString.startsWith("/complexType:anon")) {
      // set new classname
      String newClassName = calculateXPathPrefix(xpath) + jClass.getLocalName();
      jClass.changeLocalName(newClassName);
    } else if (typeString.startsWith("/complexType:")) {
      // set new classname
      String newClassName =
          jClass.getLocalName() + getSourceGenerator().getAutomaticConflictResolutionTypeSuffix()
              + typeString.substring(typeString.indexOf(":") + 1);
      jClass.changeLocalName(newClassName);
    }
  }

}
