/*
    * 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<Type> 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);
      }
    }
  
  }