case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/CPUserLibraryElement.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 package org.eclipse.jdt.internal.ui.wizards.buildpaths;
  12
  13 import java.util.ArrayList;
  14 import java.util.Collections;
  15 import java.util.HashMap;
  16 import java.util.HashSet;
  17 import java.util.List;
  18
  19 import org.eclipse.core.runtime.CoreException;
  20 import org.eclipse.core.runtime.IPath;
  21 import org.eclipse.core.runtime.MultiStatus;
  22 import org.eclipse.core.runtime.Path;
  23
  24 import org.eclipse.jdt.core.ClasspathContainerInitializer;
  25 import org.eclipse.jdt.core.IClasspathContainer;
  26 import org.eclipse.jdt.core.IClasspathEntry;
  27 import org.eclipse.jdt.core.IJavaProject;
  28 import org.eclipse.jdt.core.JavaCore;
  29 import org.eclipse.jdt.core.JavaModelException;
  30
  31 import org.eclipse.jdt.internal.corext.util.Messages;
  32
  33 import org.eclipse.jdt.internal.ui.preferences.UserLibraryPreferencePage;
  34 import org.eclipse.jdt.internal.ui.preferences.UserLibraryPreferencePage.LibraryNameDialog;
  35 import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
  36
  37 public class CPUserLibraryElement {
  38
  39         private  class UpdatedClasspathContainer implements IClasspathContainer {
  40
  41                 /* (non-Javadoc)
  42                  * @see org.eclipse.jdt.core.IClasspathContainer#getClasspathEntries()
  43                  */
  44                 public IClasspathEntry[] getClasspathEntries() {
  45                         CPListElement[] children= getChildren();
  46                         IClasspathEntry[] entries= new IClasspathEntry[children.length];
  47                         for (int i= 0; i < entries.length; i++) {
  48                                 entries[i]= children[i].getClasspathEntry();
  49                         }
  50                         return entries;
  51                 }
  52
  53                 /* (non-Javadoc)
  54                  * @see org.eclipse.jdt.core.IClasspathContainer#getDescription()
  55                  */
  56                 public String getDescription() {
  57                         return getName();
  58                 }
  59
  60                 /* (non-Javadoc)
  61                  * @see org.eclipse.jdt.core.IClasspathContainer#getKind()
  62                  */
  63                 public int getKind() {
  64                         return isSystemLibrary() ? IClasspathContainer.K_SYSTEM : K_APPLICATION;
  65                 }
  66
  67                 /* (non-Javadoc)
  68                  * @see org.eclipse.jdt.core.IClasspathContainer#getPath()
  69                  */
  70                 public IPath getPath() {
  71                         return CPUserLibraryElement.this.getPath();
  72                 }
  73         }
  74
  75
  76         private String fName;
  77         List<CPListElement> fChildren;
  78         private boolean fIsSystemLibrary;
  79
  80         public CPUserLibraryElement(String name, IClasspathContainer container, IJavaProject project) {
  81                 fName= name;
  82                 fChildren= new ArrayList<CPListElement>();
  83                 if (container != null) {
  84                         IClasspathEntry[] entries= container.getClasspathEntries();
  85                         CPListElement[] res= new CPListElement[entries.length];
  86                         for (int i= 0; i < res.length; i++) {
  87                                 IClasspathEntry curr= entries[i];
  88                                 CPListElement elem= CPListElement.createFromExisting(this, curr, project);
  89                                 //elem.setAttribute(CPListElement.SOURCEATTACHMENT, curr.getSourceAttachmentPath());
  90                                 //elem.setAttribute(CPListElement.JAVADOC, JavaUI.getLibraryJavadocLocation(curr.getPath()));
  91                                 fChildren.add(elem);
  92                         }
  93                         fIsSystemLibrary= container.getKind() == IClasspathContainer.K_SYSTEM;
  94                 } else {
  95                         fIsSystemLibrary= false;
  96                 }
  97         }
  98
  99         /**
 100          * Creates a new user library element with the given name and children and sets itself as the
 101          * parent container to each given child element.
 102          *
 103          * @param name the name of the library element
 104          * @param isSystemLibrary <code>true</code> if the library is a system library,
 105          *            <code>false</code> otherwise
 106          * @param children the children elements of the library element or <code>null</code>
 107          */
 108         public CPUserLibraryElement(String name, boolean isSystemLibrary, CPListElement[] children) {
 109                 fName= name;
 110                 fChildren= new ArrayList<CPListElement>();
 111                 if (children != null) {
 112                         for (int i= 0; i < children.length; i++) {
 113                                 children[i].setParentContainer(this);
 114                                 fChildren.add(children[i]);
 115                         }
 116                 }
 117                 fIsSystemLibrary= isSystemLibrary;
 118         }
 119
 120         public CPListElement[] getChildren() {
 121                 return fChildren.toArray(new CPListElement[fChildren.size()]);
 122         }
 123
 124         public String getName() {
 125                 return fName;
 126         }
 127
 128         public IPath getPath() {
 129                 return new Path(JavaCore.USER_LIBRARY_CONTAINER_ID).append(fName);
 130         }
 131
 132         public boolean isSystemLibrary() {
 133                 return fIsSystemLibrary;
 134         }
 135
 136         public void add(CPListElement element) {
 137                 element.generated_5439650126968803820(this);
 138         }
 139
 140         private List<CPListElement> moveUp(List<CPListElement> elements, List<CPListElement> move) {
 141                 int nElements= elements.size();
 142                 List<CPListElement> res= new ArrayList<CPListElement>(nElements);
 143                 CPListElement floating= null;
 144                 for (int i= 0; i < nElements; i++) {
 145                         CPListElement curr= elements.get(i);
 146                         floating= curr.generated_7677782357583573221(move, res, floating);
 147                 }
 148                 if (floating != null) {
 149                         res.add(floating);
 150                 }
 151                 return res;
 152         }
 153
 154         public void moveUp(List<CPListElement> toMoveUp) {
 155                 if (toMoveUp.size() > 0) {
 156                         fChildren= moveUp(fChildren, toMoveUp);
 157                 }
 158         }
 159
 160         public void moveDown(List<CPListElement> toMoveDown) {
 161                 if (toMoveDown.size() > 0) {
 162                         Collections.reverse(fChildren);
 163                         fChildren= moveUp(fChildren, toMoveDown);
 164                         Collections.reverse(fChildren);
 165                 }
 166         }
 167
 168
 169         public void remove(CPListElement element) {
 170                 fChildren.remove(element);
 171         }
 172
 173         public void replace(CPListElement existingElement, CPListElement element) {
 174                 if (element.equals(existingElement)) {
 175                         // same element selected again: do nothing
 176                 } else if (fChildren.contains(element)) {
 177                         fChildren.remove(existingElement);
 178                 } else {
 179                         int index= fChildren.indexOf(existingElement);
 180                         element.generated_503674186899919308(existingElement, this, index);
 181                 }
 182         }
 183
 184         public IClasspathContainer getUpdatedContainer() {
 185                 return new UpdatedClasspathContainer();
 186         }
 187
 188         public boolean hasChanges(IClasspathContainer oldContainer) {
 189                 if (oldContainer == null || (oldContainer.getKind() == IClasspathContainer.K_SYSTEM) != fIsSystemLibrary) {
 190                         return true;
 191                 }
 192                 IClasspathEntry[] oldEntries= oldContainer.getClasspathEntries();
 193                 if (fChildren.size() != oldEntries.length) {
 194                         return true;
 195                 }
 196                 for (int i= 0; i < oldEntries.length; i++) {
 197                         CPListElement child= fChildren.get(i);
 198                         if (!child.getClasspathEntry().equals(oldEntries[i])) {
 199                                 return true;
 200                         }
 201                 }
 202                 return false;
 203         }
 204
 205         /**
 206          * Returns if a entry has children that are missing
 207          * @return Returns a boolean
 208          */
 209         public boolean hasMissingChildren() {
 210                 for (int i= 0; i < fChildren.size(); i++) {
 211                         Object curr= fChildren.get(i);
 212                         if (curr instanceof CPListElement && ((CPListElement) curr).isMissing()) {
 213                                 return true;
 214                         }
 215                 }
 216                 return false;
 217         }
 218
 219         public void generated_654287954737608878(HashSet<CPUserLibraryElement> newEntries, MultiStatus multiStatus, ClasspathContainerInitializer initializer, IJavaProject jproject) throws JavaModelException {
 220                 IPath path= getPath();
 221                 if (newEntries.contains(this) || hasChanges(JavaCore.getClasspathContainer(path, jproject))) {
 222                         IClasspathContainer updatedContainer= getUpdatedContainer();
 223                         try {
 224                                 initializer.requestClasspathContainerUpdate(path, jproject, updatedContainer);
 225                         } catch (CoreException e) {
 226                                 multiStatus.add(e.getStatus());
 227                         }
 228                 }
 229         }
 230
 231         public void generated_6411699883792297303(CPListElement existingElement, UserLibraryPreferencePage userlibrarypreferencepage, CPListElement[] elements) {
 232                 for (int i= 0; i < elements.length; i++) {
 233                         if (existingElement != null) {
 234                                 replace(existingElement, elements[i]);
 235                         } else {
 236                                 add(elements[i]);
 237                         }
 238                 }
 239                 userlibrarypreferencepage.fLibraryList.refresh(this);
 240         }
 241
 242         public void generated_8458246444911177306(List<CPUserLibraryElement> existing, HashMap<String, CPUserLibraryElement> map) {
 243                 CPUserLibraryElement found= map.get(getName());
 244                 if (found == null) {
 245                         existing.add(this);
 246                         map.put(getName(), this);
 247                 } else {
 248                         existing.set(existing.indexOf(found), this); // replace
 249                 }
 250         }
 251
 252         public void generated_3290808306039919345(UserLibraryPreferencePage userlibrarypreferencepage, List<CPListElement> cpElementList) {
 253                 moveUp(cpElementList);
 254                 userlibrarypreferencepage.fLibraryList.refresh(this);
 255         }
 256
 257         public void generated_2119164516309830040(List<?> list, UserLibraryPreferencePage userlibrarypreferencepage) {
 258                 @SuppressWarnings("unchecked")
 259                 List<CPListElement> cpElementList= (List<CPListElement>) list;
 260                 moveDown(cpElementList);
 261                 userlibrarypreferencepage.fLibraryList.refresh(this);
 262         }
 263
 264         public void generated_1556309657071644884(LibraryNameDialog librarynamedialog) {
 265                 librarynamedialog.fNameField.setText(getName());
 266                 librarynamedialog.fIsSystemField.setSelection(isSystemLibrary());
 267         }
 268
 269         public IClasspathEntry generated_5770402405348747195(UserLibraryWizardPage userlibrarywizardpage) {
 270                 if (userlibrarywizardpage.fOldClasspathEntry != null && userlibrarywizardpage.fOldClasspathEntry.getPath().equals(getPath())) {
 271                         return JavaCore.newContainerEntry(getPath(), userlibrarywizardpage.fOldClasspathEntry.getAccessRules(), userlibrarywizardpage.fOldClasspathEntry.getExtraAttributes(), userlibrarywizardpage.fOldClasspathEntry.isExported());
 272                 } else {
 273                         return JavaCore.newContainerEntry(getPath(), false);
 274                 }
 275         }
 276
 277         public String generated_6170624604143659829() {
 278                 String name= getName();
 279                 if (isSystemLibrary()) {
 280                         name= Messages.format(NewWizardMessages.CPListLabelProvider_systemlibrary, name);
 281                 }
 282                 return name;
 283         }
 284
 285 }