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   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.core;
  12
  13 import net.sourceforge.phpdt.core.ICompilationUnit;
  14 import net.sourceforge.phpdt.core.IPackageFragment;
  15 import net.sourceforge.phpdt.core.IType;
  16 import net.sourceforge.phpdt.core.JavaModelException;
  17 import net.sourceforge.phpdt.internal.codeassist.ISearchRequestor;
  18
  19 /**
  20  * Implements <code>IJavaElementRequestor</code>, wrappering and forwarding
  21  * results onto a
  22  * <code>org.eclipse.jdt.internal.codeassist.api.ISearchRequestor</code>.
  23  */
  24 class SearchableEnvironmentRequestor extends JavaElementRequestor implements
  25                 IJavaElementRequestor {
  26         /**
  27          * The <code>ISearchRequestor</code> this JavaElementRequestor wraps and
  28          * forwards results to.
  29          */
  30         protected ISearchRequestor fRequestor;
  31
  32         /**
  33          * The <code>ICompilationUNit</code> this JavaElementRequestor will not
  34          * accept types within.
  35          */
  36         protected ICompilationUnit fUnitToSkip;
  37
  38         /**
  39          * Constructs a SearchableEnvironmentRequestor that wraps the given
  40          * SearchRequestor.
  41          */
  42         public SearchableEnvironmentRequestor(ISearchRequestor requestor) {
  43                 fRequestor = requestor;
  44                 fUnitToSkip = null;
  45         }
  46
  47         /**
  48          * Constructs a SearchableEnvironmentRequestor that wraps the given
  49          * SearchRequestor. The requestor will not accept types in the
  50          * <code>unitToSkip</code>.
  51          */
  52         public SearchableEnvironmentRequestor(ISearchRequestor requestor,
  53                         ICompilationUnit unitToSkip) {
  54                 fRequestor = requestor;
  55                 fUnitToSkip = unitToSkip;
  56         }
  57
  58         /**
  59          * Do nothing, a SearchRequestor does not accept initializers so there is no
  60          * need to forward this results.
  61          *
  62          * @see IJavaElementRequestor
  63          */
  64         // public void acceptInitializer(IInitializer initializer) {
  65         //
  66         // }
  67         /**
  68          * @see IJavaElementRequestor
  69          */
  70         public void acceptPackageFragment(IPackageFragment packageFragment) {
  71                 fRequestor
  72                                 .acceptPackage(packageFragment.getElementName().toCharArray());
  73         }
  74
  75         /**
  76          * @see IJavaElementRequestor
  77          */
  78         public void acceptType(IType type) {
  79                 try {
  80                         if (fUnitToSkip != null
  81                                         && fUnitToSkip.equals(type.getCompilationUnit())) {
  82                                 return;
  83                         }
  84                         if (type.isClass()) {
  85                                 fRequestor.acceptClass(type.getPackageFragment()
  86                                                 .getElementName().toCharArray(), type.getElementName()
  87                                                 .toCharArray(), type.getFlags());
  88                         } else {
  89                                 fRequestor.acceptInterface(type.getPackageFragment()
  90                                                 .getElementName().toCharArray(), type.getElementName()
  91                                                 .toCharArray(), type.getFlags());
  92                         }
  93                 } catch (JavaModelException npe) {
  94                 }
  95         }
  96 }