net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/PackageFragment.java

   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 java.util.ArrayList;
  14 import java.util.HashSet;
  15 import java.util.Map;
  16
  17 import net.sourceforge.phpdt.core.ICompilationUnit;
  18 import net.sourceforge.phpdt.core.IJavaElement;
  19 import net.sourceforge.phpdt.core.IPackageFragment;
  20 import net.sourceforge.phpdt.core.IPackageFragmentRoot;
  21 import net.sourceforge.phpdt.core.JavaModelException;
  22 import net.sourceforge.phpdt.internal.core.util.Util;
  23 import net.sourceforge.phpdt.internal.ui.util.PHPFileUtil;
  24
  25 import org.eclipse.core.resources.IContainer;
  26 import org.eclipse.core.resources.IResource;
  27 import org.eclipse.core.runtime.CoreException;
  28 import org.eclipse.core.runtime.IPath;
  29 import org.eclipse.core.runtime.IProgressMonitor;
  30 import org.eclipse.core.runtime.Path;
  31
  32
  33 /**
  34  * @see IPackageFragment
  35  */
  36 public class PackageFragment extends Openable implements IPackageFragment {
  37                 /**
  38          * Constant empty list of compilation units
  39          */
  40         protected static ICompilationUnit[] fgEmptyCompilationUnitList= new ICompilationUnit[] {};
  41         /**
  42          * Constructs a handle for a package fragment
  43          *
  44          * @see IPackageFragment
  45          */
  46         protected PackageFragment(PackageFragmentRoot root, String name) {
  47                 super(root, name);
  48         }
  49         /**
  50          * @see Openable
  51          */
  52         protected boolean buildStructure(OpenableElementInfo info, IProgressMonitor pm, Map newElements, IResource underlyingResource) throws JavaModelException {
  53
  54                 // check whether this pkg can be opened
  55                 if (!underlyingResource.isAccessible()) throw newNotPresentException();
  56
  57                 int kind = getKind();
  58                 String extType;
  59 //              if (kind == IPackageFragmentRoot.K_SOURCE) {
  60                         extType = "php"; //EXTENSION_java;
  61 //              } else {
  62 //                      extType = EXTENSION_class;
  63 //              }
  64
  65                 // add compilation units/class files from resources
  66                 HashSet vChildren = new HashSet();
  67                 try {
  68                     PackageFragmentRoot root = getPackageFragmentRoot();
  69 //                      char[][] inclusionPatterns = root.fullInclusionPatternChars();
  70                         char[][] exclusionPatterns = root.fullExclusionPatternChars();
  71                         IResource[] members = ((IContainer) underlyingResource).members();
  72                         for (int i = 0, max = members.length; i < max; i++) {
  73                                 IResource child = members[i];
  74                                 if (child.getType() != IResource.FOLDER
  75                                                 && !Util.isExcluded(child, exclusionPatterns)) {
  76                                         String extension = child.getProjectRelativePath().getFileExtension();
  77                                         if (extension != null) {
  78                                                 if (extension.equalsIgnoreCase(extType)) {
  79                                                         IJavaElement childElement;
  80 //                                                      if (kind == IPackageFragmentRoot.K_SOURCE && Util.isValidCompilationUnitName(child.getName())) {
  81 //                                                              childElement = new CompilationUnit(this, child.getName(), DefaultWorkingCopyOwner.PRIMARY);
  82 //                                                              vChildren.add(childElement);
  83 //                                                      } else if (Util.isValidClassFileName(child.getName())) {
  84 //                                                              childElement = getClassFile(child.getName());
  85 //                                                              vChildren.add(childElement);
  86 //                                                      }
  87                                                 }
  88                                         }
  89                                 }
  90                         }
  91                 } catch (CoreException e) {
  92                         throw new JavaModelException(e);
  93                 }
  94
  95 //              if (kind == IPackageFragmentRoot.K_SOURCE) {
  96 //                      // add primary compilation units
  97 //                      ICompilationUnit[] primaryCompilationUnits = getCompilationUnits(DefaultWorkingCopyOwner.PRIMARY);
  98 //                      for (int i = 0, length = primaryCompilationUnits.length; i < length; i++) {
  99 //                              ICompilationUnit primary = primaryCompilationUnits[i];
 100 //                              vChildren.add(primary);
 101 //                      }
 102 //              }
 103
 104                 IJavaElement[] children = new IJavaElement[vChildren.size()];
 105                 vChildren.toArray(children);
 106                 info.setChildren(children);
 107                 return true;
 108         }
 109 ///**
 110 // * Compute the children of this package fragment.
 111 // *
 112 // * <p>Package fragments which are folders recognize files based on the
 113 // * type of the fragment
 114 // * <p>Package fragments which are in a jar only recognize .class files (
 115 // * @see JarPackageFragment).
 116 // */
 117 //protected boolean computeChildren(OpenableElementInfo info, IResource resource) throws JavaModelException {
 118 //      ArrayList vChildren = new ArrayList();
 119 ////    int kind = getKind();
 120 //      String extType;
 121 ////    if (kind == IPackageFragmentRoot.K_SOURCE) {
 122 //              extType = "php"; //$NON-NLS-1$
 123 ////    } else {
 124 ////            extType = "class"; //$NON-NLS-1$
 125 ////    }
 126 //      try {
 127 //              char[][] exclusionPatterns = ((PackageFragmentRoot)getPackageFragmentRoot()).fullExclusionPatternChars();
 128 //              IResource[] members = ((IContainer) resource).members();
 129 //              for (int i = 0, max = members.length; i < max; i++) {
 130 //                      IResource child = members[i];
 131 //                      if (child.getType() != IResource.FOLDER
 132 //                                      && !Util.isExcluded(child, exclusionPatterns)) {
 133 //                              String extension = child.getProjectRelativePath().getFileExtension();
 134 //                              if (extension != null) {
 135 //                                      if (extension.equalsIgnoreCase(extType)) {
 136 //                                              IJavaElement childElement;
 137 ////                                            if (kind == IPackageFragmentRoot.K_SOURCE && Util.isValidCompilationUnitName(child.getName())) {
 138 ////                                                    childElement = getCompilationUnit(child.getName());
 139 ////                                                    vChildren.add(childElement);
 140 ////                                            } else if (Util.isValidClassFileName(child.getName())) {
 141 ////                                                    childElement = getClassFile(child.getName());
 142 ////                                                    vChildren.add(childElement);
 143 ////                                            }
 144 //                                      }
 145 //                              }
 146 //                      }
 147 //              }
 148 //      } catch (CoreException e) {
 149 //              throw new JavaModelException(e);
 150 //      }
 151 //      IJavaElement[] children = new IJavaElement[vChildren.size()];
 152 //      vChildren.toArray(children);
 153 //      info.setChildren(children);
 154 //      return true;
 155 //}
 156 /**
 157  * Returns true if this fragment contains at least one java resource.
 158  * Returns false otherwise.
 159  */
 160 //public boolean containsJavaResources() throws JavaModelException {
 161 //      return ((PackageFragmentInfo) getElementInfo()).containsJavaResources();
 162 //}
 163 /**
 164  * @see ISourceManipulation
 165  */
 166 //public void copy(IJavaElement container, IJavaElement sibling, String rename, boolean force, IProgressMonitor monitor) throws JavaModelException {
 167 //      if (container == null) {
 168 //              throw new IllegalArgumentException(Util.bind("operation.nullContainer")); //$NON-NLS-1$
 169 //      }
 170 //      IJavaElement[] elements= new IJavaElement[] {this};
 171 //      IJavaElement[] containers= new IJavaElement[] {container};
 172 //      IJavaElement[] siblings= null;
 173 //      if (sibling != null) {
 174 //              siblings= new IJavaElement[] {sibling};
 175 //      }
 176 //      String[] renamings= null;
 177 //      if (rename != null) {
 178 //              renamings= new String[] {rename};
 179 //      }
 180 //      getJavaModel().copy(elements, containers, siblings, renamings, force, monitor);
 181 //}
 182 /**
 183  * @see IPackageFragment
 184  */
 185 public ICompilationUnit createCompilationUnit(String name, String contents, boolean force, IProgressMonitor monitor) throws JavaModelException {
 186 //      CreateCompilationUnitOperation op= new CreateCompilationUnitOperation(this, name, contents, force);
 187 //      runOperation(op, monitor);
 188 //      return getCompilationUnit(name);
 189     return null;
 190 }
 191 /**
 192  * @see JavaElement
 193  */
 194 protected Object createElementInfo() {
 195         return new PackageFragmentInfo();
 196 }
 197 /**
 198  * @see ISourceManipulation
 199  */
 200 //public void delete(boolean force, IProgressMonitor monitor) throws JavaModelException {
 201 //      IJavaElement[] elements = new IJavaElement[] {this};
 202 //      getJavaModel().delete(elements, force, monitor);
 203 //}
 204 ///**
 205 // * @see Openable
 206 // */
 207 //protected boolean generateInfos(OpenableElementInfo info, IProgressMonitor pm, Map newElements, IResource underlyingResource) throws JavaModelException {
 208 //
 209 //      return computeChildren(info, underlyingResource);
 210 //}
 211 ///**
 212 // * @see IPackageFragment#getClassFile(String)
 213 // */
 214 //public IClassFile getClassFile(String name) {
 215 //      return new ClassFile(this, name);
 216 //}
 217 /**
 218  * Returns a the collection of class files in this - a folder package fragment which has a root
 219  * that has its kind set to <code>IPackageFragmentRoot.K_Source</code> does not
 220  * recognize class files.
 221  *
 222  * @see IPackageFragment#getClassFiles()
 223  */
 224 //public IClassFile[] getClassFiles() throws JavaModelException {
 225 //      if (getKind() == IPackageFragmentRoot.K_SOURCE) {
 226 //              return fgEmptyClassFileList;
 227 //      }
 228 //
 229 //      ArrayList list = getChildrenOfType(CLASS_FILE);
 230 //      IClassFile[] array= new IClassFile[list.size()];
 231 //      list.toArray(array);
 232 //      return array;
 233 //}
 234 /**
 235  * @see IPackageFragment#getCompilationUnit(String)
 236  * @exception IllegalArgumentExcpetion if the name does not end with ".java"
 237  */
 238 public ICompilationUnit getCompilationUnit(String cuName) {
 239         if (!  PHPFileUtil.isPHPFileName(cuName)) {
 240                 throw new IllegalArgumentException(Util.bind("convention.unit.notJavaName")); //$NON-NLS-1$
 241         }
 242         return new CompilationUnit(this, cuName, DefaultWorkingCopyOwner.PRIMARY);
 243 }
 244 /**
 245  * @see IPackageFragment#getCompilationUnits()
 246  */
 247 public ICompilationUnit[] getCompilationUnits() throws JavaModelException {
 248         if (getKind() == IPackageFragmentRoot.K_BINARY) {
 249                 return fgEmptyCompilationUnitList;
 250         }
 251
 252         ArrayList list = getChildrenOfType(COMPILATION_UNIT);
 253         ICompilationUnit[] array= new ICompilationUnit[list.size()];
 254         list.toArray(array);
 255         return array;
 256 }
 257 /**
 258  * @see IJavaElement
 259  */
 260 public int getElementType() {
 261         return PACKAGE_FRAGMENT;
 262 }
 263 /**
 264  * @see JavaElement#getHandleMementoDelimiter()
 265  */
 266 protected char getHandleMementoDelimiter() {
 267         return JavaElement.JEM_PACKAGEFRAGMENT;
 268 }
 269 /**
 270  * @see IPackageFragment#getKind()
 271  */
 272 public int getKind() throws JavaModelException {
 273         return ((IPackageFragmentRoot)getParent()).getKind();
 274 }
 275 /**
 276  * Returns an array of non-java resources contained in the receiver.
 277  */
 278 //public Object[] getNonJavaResources() throws JavaModelException {
 279 //      if (this.isDefaultPackage()) {
 280 //              // We don't want to show non java resources of the default package (see PR #1G58NB8)
 281 //              return JavaElementInfo.NO_NON_JAVA_RESOURCES;
 282 //      } else {
 283 //              return ((PackageFragmentInfo) getElementInfo()).getNonJavaResources(getResource(), (PackageFragmentRoot)getPackageFragmentRoot());
 284 //      }
 285 //}
 286 /**
 287  * @see IJavaElement#getPath()
 288  */
 289 public IPath getPath() {
 290         PackageFragmentRoot root = this.getPackageFragmentRoot();
 291         if (root.isArchive()) {
 292                 return root.getPath();
 293         } else {
 294                 return root.getPath().append(this.getElementName().replace('.', '/'));
 295         }
 296 }
 297 /**
 298  * @see IJavaElement#getResource()
 299  */
 300 public IResource getResource() {
 301         PackageFragmentRoot root = this.getPackageFragmentRoot();
 302         if (root.isArchive()) {
 303                 return root.getResource();
 304         } else {
 305                 String elementName = this.getElementName();
 306                 if (elementName.length() == 0) {
 307                         return root.getResource();
 308                 } else {
 309                         return ((IContainer)root.getResource()).getFolder(new Path(this.getElementName().replace('.', '/')));
 310                 }
 311         }
 312 }
 313 /**
 314  * @see IJavaElement#getUnderlyingResource()
 315  */
 316 public IResource getUnderlyingResource() throws JavaModelException {
 317         IResource rootResource = parent.getUnderlyingResource();
 318         if (rootResource == null) {
 319                 //jar package fragment root that has no associated resource
 320                 return null;
 321         }
 322         // the underlying resource may be a folder or a project (in the case that the project folder
 323         // is atually the package fragment root)
 324 //      if (rootResource.getType() == IResource.FOLDER || rootResource.getType() == IResource.PROJECT) {
 325 //              IContainer folder = (IContainer) rootResource;
 326 //              String[] segs = Signature.getSimpleNames(fName);
 327 //              for (int i = 0; i < segs.length; ++i) {
 328 //                      IResource child = folder.findMember(segs[i]);
 329 //                      if (child == null || child.getType() != IResource.FOLDER) {
 330 //                              throw newNotPresentException();
 331 //                      }
 332 //                      folder = (IFolder) child;
 333 //              }
 334 //              return folder;
 335 //      } else {
 336                 return rootResource;
 337 //      }
 338 }
 339 /**
 340  * @see IPackageFragment#hasSubpackages()
 341  */
 342 //public boolean hasSubpackages() throws JavaModelException {
 343 //      IJavaElement[] packages= ((IPackageFragmentRoot)getParent()).getChildren();
 344 //      String name = getElementName();
 345 //      int nameLength = name.length();
 346 //      String packageName = isDefaultPackage() ? name : name+"."; //$NON-NLS-1$
 347 //      for (int i= 0; i < packages.length; i++) {
 348 //              String otherName = packages[i].getElementName();
 349 //              if (otherName.length() > nameLength && otherName.startsWith(packageName)) {
 350 //                      return true;
 351 //              }
 352 //      }
 353 //      return false;
 354 //}
 355 /**
 356  * @see IPackageFragment#isDefaultPackage()
 357  */
 358 public boolean isDefaultPackage() {
 359         return this.getElementName().length() == 0;
 360 }
 361 /**
 362  * @see ISourceManipulation#move(IJavaElement, IJavaElement, String, boolean, IProgressMonitor)
 363  */
 364 //public void move(IJavaElement container, IJavaElement sibling, String rename, boolean force, IProgressMonitor monitor) throws JavaModelException {
 365 //      if (container == null) {
 366 //              throw new IllegalArgumentException(Util.bind("operation.nullContainer")); //$NON-NLS-1$
 367 //      }
 368 //      IJavaElement[] elements= new IJavaElement[] {this};
 369 //      IJavaElement[] containers= new IJavaElement[] {container};
 370 //      IJavaElement[] siblings= null;
 371 //      if (sibling != null) {
 372 //              siblings= new IJavaElement[] {sibling};
 373 //      }
 374 //      String[] renamings= null;
 375 //      if (rename != null) {
 376 //              renamings= new String[] {rename};
 377 //      }
 378 //      getJavaModel().move(elements, containers, siblings, renamings, force, monitor);
 379 //}
 380 //protected void openWhenClosed(IProgressMonitor pm) throws JavaModelException {
 381 //      if (!this.resourceExists()) throw newNotPresentException();
 382 //      super.openWhenClosed(pm);
 383 //}
 384 /**
 385  * Recomputes the children of this element, based on the current state
 386  * of the workbench.
 387  */
 388 //public void refreshChildren() {
 389 //      try {
 390 //              OpenableElementInfo info= (OpenableElementInfo)getElementInfo();
 391 //              computeChildren(info, getResource());
 392 //      } catch (JavaModelException e) {
 393 //              // do nothing.
 394 //      }
 395 //}
 396 /**
 397  * @see ISourceManipulation#rename(String, boolean, IProgressMonitor)
 398  */
 399 //public void rename(String name, boolean force, IProgressMonitor monitor) throws JavaModelException {
 400 //      if (name == null) {
 401 //              throw new IllegalArgumentException(Util.bind("element.nullName")); //$NON-NLS-1$
 402 //      }
 403 //      IJavaElement[] elements= new IJavaElement[] {this};
 404 //      IJavaElement[] dests= new IJavaElement[] {this.getParent()};
 405 //      String[] renamings= new String[] {name};
 406 //      getJavaModel().rename(elements, dests, renamings, force, monitor);
 407 //}
 408 ///*
 409 // * @see JavaElement#rootedAt(IJavaProject)
 410 // */
 411 //public IJavaElement rootedAt(IJavaProject project) {
 412 //      return
 413 //              new PackageFragment(
 414 //                      (IPackageFragmentRoot)((JavaElement)parent).rootedAt(project),
 415 //                      name);
 416 //}
 417 /**
 418  * Debugging purposes
 419  */
 420 protected void toStringChildren(int tab, StringBuffer buffer, Object info) {
 421         if (tab == 0) {
 422                 super.toStringChildren(tab, buffer, info);
 423         }
 424 }
 425 /**
 426  * Debugging purposes
 427  */
 428 protected void toStringInfo(int tab, StringBuffer buffer, Object info) {
 429         buffer.append(this.tabString(tab));
 430         if (getElementName().length() == 0) {
 431                 buffer.append("[default]"); //$NON-NLS-1$
 432         } else {
 433                 buffer.append(getElementName());
 434         }
 435         if (info == null) {
 436                 buffer.append(" (not open)"); //$NON-NLS-1$
 437         } else {
 438                 if (tab > 0) {
 439                         buffer.append(" (...)"); //$NON-NLS-1$
 440                 }
 441         }
 442 }
 443 }