content: /*******************************************************************************
   * Copyright (c) 2000, 2008 IBM Corporation and others.
   * All rights reserved. This program and the accompanying materials
   * are made available under the terms of the Eclipse Public License v1.0
   * which accompanies this distribution, and is available at
   * http://www.eclipse.org/legal/epl-v10.html
   *
   * Contributors:
   *   Jesper Kamstrup Linnet (eclipse@kamstrup-linnet.dk) - initial API and implementation
   *          (report 36180: Callers/Callees view)
   *******************************************************************************/
  package org.eclipse.wst.jsdt.internal.corext.callhierarchy;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import org.eclipse.wst.jsdt.core.IJavaScriptElement;
  import org.eclipse.wst.jsdt.core.IMember;
  import org.eclipse.wst.jsdt.core.IType;
  /**
  *
  * Provisional API: This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  */
  class CallSearchResultCollector {
      private Map fCalledMembers;
  
      public CallSearchResultCollector() {
          this.fCalledMembers = createCalledMethodsData();
      }
  
      public Map getCallers() {
          return fCalledMembers;
      }
  
      protected void addMember(IMember member, IMember calledMember, int start, int end) {
          addMember(member, calledMember, start, end, CallLocation.UNKNOWN_LINE_NUMBER);
      }
  
      protected void addMember(IMember member, IMember calledMember, int start, int end, int lineNumber) {
          if ((member != null) && (calledMember != null)) {
              if (!isIgnored(calledMember)) {
                  MethodCall methodCall = (MethodCall) fCalledMembers.get(calledMember.getHandleIdentifier());
  
                  if (methodCall == null) {
                      methodCall = new MethodCall(calledMember);
                      fCalledMembers.put(calledMember.getHandleIdentifier(), methodCall);
                  }
  
                  methodCall.addCallLocation(new CallLocation(member, calledMember, start,
                          end, lineNumber));
              }
          }
      }
  
      protected Map createCalledMethodsData() {
          return new HashMap();
      }
  
      /**
       * Method isIgnored.
       * @param enclosingElement
       * @return boolean
       */
      private boolean isIgnored(IMember enclosingElement) {
      	IType type = getTypeOfElement(enclosingElement);
          String fullyQualifiedName = (type!=null)? type.getFullyQualifiedName() :
          	enclosingElement.getJavaScriptUnit().getElementName();
  
          return CallHierarchy.getDefault().isIgnored(fullyQualifiedName);
      }
  
      private IType getTypeOfElement(IMember element) {
          if (element.getElementType() == IJavaScriptElement.TYPE) {
              return (IType) element;
          }
  
          return element.getDeclaringType();
      }
  }
  