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A library used to generate documentation for media types associated with a JSON-LD context
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/*******************************************************************************
 * Copyright 2012 Pearson Education
 * 
 * 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.semantictools.uml.model;

import java.util.ArrayList;
import java.util.List;

import org.semantictools.frame.model.Datatype;
import org.semantictools.frame.model.Field;
import org.semantictools.frame.model.Frame;
import org.semantictools.frame.model.NamedIndividual;
import org.semantictools.frame.model.RdfType;

import com.hp.hpl.jena.vocabulary.RDF;
import com.hp.hpl.jena.vocabulary.RDFS;

public class UmlClass {
  
  private RdfType type;
  private String stereotype;
  private UmlManager manager;
  
  private List fieldList = new ArrayList();
  private List supertypeList = null;
  private List subtypeList = null;
  private List children = new ArrayList();
  private List parentList = new ArrayList();
  
  
  public UmlClass(RdfType type, UmlManager manager) {
    this.type = type;
    this.manager = manager;
  }
  

  public String getDescription() {
    String comment = 
        type.canAsFrame() ? type.asFrame().getComment() :
        null;
        
    return comment;
        
  }
  
  public List listInstances(boolean direct) {
    return type.asFrame().listInstances(direct);
  }
  
  public void addSupertype(UmlClass type) {
    List list = getSupertypeList();
    for (UmlClass other : list) {
      if (other.getURI().equals(type.getURI())) {
        return;
      }
    }
    list.add(type);
  }
  
  public void addSubtype(UmlClass type) {
    List list = getSubtypeList();
    for (UmlClass other : list) {
      if (other.getURI().equals(type.getURI())) {
        return;
      }
    }
    list.add(type);
  }
  
  public void add(Field field) {
    fieldList.add(field);
  }


  public String getURI() {
    return type.getUri();
  }

  public String getLocalName() {
    return type.getLocalName();
  }

  public RdfType getType() {
    return type;
  }
  

  public String getStereotype() {
    return stereotype;
  }


  public void setStereotype(String stereotype) {
    this.stereotype = stereotype;
  }


  public List getFieldList() {
    return fieldList;
  }

  public List listAllSupertypes() {
    List list = new ArrayList();
    if (type.canAsFrame()) {
      List frameList = type.asFrame().listAllSupertypes();
      for (Frame frame : frameList) {
        String uri = frame.getUri();
        if (uri.startsWith(RDF.getURI())) continue;
        if (uri.startsWith(RDFS.getURI())) continue;
        
        UmlClass superClass = manager.getUmlClassByURI(frame.getUri());
        if (superClass == null) {
          superClass = new UmlClass(frame, manager);
        }
        list.add(superClass);
      }
    }
    
    return list;
  }

  public List getSupertypeList() {
    if (supertypeList == null) {
      supertypeList = new ArrayList();
      if (type.canAsFrame()) {
        List list = type.asFrame().getSupertypeList();
        for (Frame frame : list) {
          String uri = frame.getUri();
          if (uri.startsWith(RDF.getURI())) continue;
          if (uri.startsWith(RDFS.getURI())) continue;
          
          UmlClass superClass = manager.getUmlClassByURI(frame.getUri());
          if (superClass == null) {
            superClass = new UmlClass(frame, manager);
          }
          supertypeList.add(superClass);
        }
      }
    }
    
    return supertypeList;
  }


  public List getSubtypeList() {
    if (subtypeList == null) {

      subtypeList = new ArrayList();
      if (type.canAsFrame()) {
        List list = type.asFrame().getSubtypeList();
        for (Frame frame : list) {
          String uri = frame.getUri();
          if (uri.startsWith(RDF.getURI())) continue;
          if (uri.startsWith(RDFS.getURI())) continue;
          
          UmlClass subclass = manager.getUmlClassByURI(frame.getUri());
          if (subclass == null) {
            throw new RuntimeException("UmlClass not found: " + frame.getUri());
          }
          subtypeList.add(subclass);
        }
        List datatypeList = type.asFrame().getSubdatatypeList();
        for (Datatype type : datatypeList) {
          String uri = type.getUri();
          UmlClass subclass = manager.getUmlClassByURI(uri);
          if (subclass == null) {
            subclass = new UmlClass(type, manager);
            manager.add(subclass);
          }
          subtypeList.add(subclass);
        }
      }
    }
    return subtypeList;
  }


  public void setSubtypeList(List subtypeList) {
    this.subtypeList = subtypeList;
  }


  /**
   * Associations where this UmlClass is the subject.
   */
  public List getChildren() {
    return children;
  }
  
  public void addChild(UmlAssociation child) {
    addUnique(children, child);
  }
  
  public void addParent(UmlAssociation parent) {
    addUnique(parentList, parent);
  }
  
  private void addUnique(List list, UmlAssociation element) {
    for (UmlAssociation a : list) {
      if (a.equals(element)) return;
    }
    list.add(element);
  }


  /**
   * Associations where this UmlClass is the object.
   */
  public List getParentList() {
    return parentList;
  }
//  
//  /**
//   * Returns the child association (where this UmlClass is the subject)
//   * for the specified property, or null if no such association is found.
//   * @param propertyURI
//   * @return
//   */
//  public UmlAssociation getChildByURI(String propertyURI) {
//    
//    for (UmlAssociation assoc : children) {
//      
//      UmlAssociationEnd end = assoc.getOtherEnd(this);
//      if (end.getPropertyURI().equals(propertyURI)) return assoc;
//      
//    }
//    
//    return null;
//  }
  
  public List listAllDeclaredProperties() {
    List list = new ArrayList();
    for (Field field : fieldList) {
      list.add(createUmlProperty(field));
    }
    for (UmlAssociation a : children) {
      UmlAssociationEnd end = a.getOtherEnd(this);
      Field field = end.getField();
      if (field == null) continue;
      
      list.add(createUmlProperty(field));
    }
    
    return list;
  }


  private UmlProperty createUmlProperty(Field field) {
    UmlProperty p = new UmlProperty();
    p.setLocalName(field.getLocalName());
    p.setDescription(field.getComment());
    p.setMultiplicity(field.getMultiplicity());
    p.setType(field.getType().getLocalName());
    p.setField(field);

    return p;
  }
  
  public String toString() {
    return type.getLocalName();
  }
}