case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/javadocexport/JavadocLinkRef.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11
  12 package org.eclipse.jdt.internal.ui.javadocexport;
  13
  14 import java.net.URL;
  15
  16 import org.eclipse.core.runtime.CoreException;
  17 import org.eclipse.core.runtime.IPath;
  18 import org.eclipse.core.runtime.IProgressMonitor;
  19
  20 import org.eclipse.jdt.core.IClasspathEntry;
  21 import org.eclipse.jdt.core.IJavaProject;
  22
  23 import org.eclipse.jdt.ui.JavaUI;
  24
  25 import org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathSupport;
  26 import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement;
  27
  28
  29 public class JavadocLinkRef {
  30         private final IJavaProject fProject;
  31         private final IPath fContainerPath;
  32         private IClasspathEntry fClasspathEntry;
  33
  34         public JavadocLinkRef(IPath containerPath, IClasspathEntry classpathEntry, IJavaProject project) {
  35                 fContainerPath= containerPath;
  36                 fProject= project;
  37                 fClasspathEntry= classpathEntry;
  38         }
  39
  40         public JavadocLinkRef(IJavaProject project) {
  41                 this(null, null, project);
  42         }
  43
  44         public boolean isProjectRef() {
  45                 return fClasspathEntry == null;
  46         }
  47
  48         public IPath getFullPath() {
  49                 return isProjectRef() ? fProject.getPath() : fClasspathEntry.getPath();
  50         }
  51
  52         public URL getURL() {
  53                 if (isProjectRef()) {
  54                         return JavaUI.getProjectJavadocLocation(fProject);
  55                 } else {
  56                         return JavaUI.getLibraryJavadocLocation(fClasspathEntry);
  57                 }
  58         }
  59
  60         public void setURL(URL url, IProgressMonitor monitor) throws CoreException {
  61                 if (isProjectRef()) {
  62                         JavaUI.setProjectJavadocLocation(fProject, url);
  63                 } else {
  64                         CPListElement element= CPListElement.createFromExisting(fClasspathEntry, fProject);
  65                         String location= url != null ? url.toExternalForm() : null;
  66                         element.setAttribute(CPListElement.JAVADOC, location);
  67                         String[] changedAttributes= { CPListElement.JAVADOC };
  68                         BuildPathSupport.modifyClasspathEntry(null, element.getClasspathEntry(), changedAttributes, fProject, fContainerPath, fClasspathEntry.getReferencingEntry() != null, monitor);
  69                         fClasspathEntry= element.getClasspathEntry();
  70                 }
  71         }
  72
  73         @Override
  74         public boolean equals(Object obj) {
  75                 if (obj != null && obj.getClass().equals(getClass())) {
  76                         JavadocLinkRef other= (JavadocLinkRef) obj;
  77                         if (!fProject.equals(other.fProject) || isProjectRef() != other.isProjectRef()) {
  78                                 return false;
  79                         }
  80                         if (!isProjectRef()) {
  81                                 return fClasspathEntry.equals(other.fClasspathEntry);
  82                         } else {
  83                                 return true;
  84                         }
  85                 }
  86                 return false;
  87         }
  88
  89         @Override
  90         public int hashCode() {
  91                 if (isProjectRef()) {
  92                         return fProject.hashCode();
  93                 } else {
  94                         return fProject.hashCode() + fClasspathEntry.hashCode();
  95                 }
  96
  97         }
  98 }