Package org.aspectj.org.eclipse.jdt.internal.core.search.indexing

Source Code of org.aspectj.org.eclipse.jdt.internal.core.search.indexing.AddFolderToIndex

/*******************************************************************************
* Copyright (c) 2000, 2006 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:
*     IBM Corporation - initial API and implementation
*******************************************************************************/
package org.aspectj.org.eclipse.jdt.internal.core.search.indexing;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.aspectj.org.eclipse.jdt.core.JavaCore;
import org.aspectj.org.eclipse.jdt.internal.compiler.SourceElementParser;
import org.aspectj.org.eclipse.jdt.internal.core.index.Index;
import org.aspectj.org.eclipse.jdt.internal.core.search.processing.JobManager;
import org.aspectj.org.eclipse.jdt.internal.core.util.Util;

class AddFolderToIndex extends IndexRequest {
  IPath folderPath;
  IProject project;
  char[][] inclusionPatterns;
  char[][] exclusionPatterns;

  public AddFolderToIndex(IPath folderPath, IProject project, char[][] inclusionPatterns, char[][] exclusionPatterns, IndexManager manager) {
    super(project.getFullPath(), manager);
    this.folderPath = folderPath;
    this.project = project;
    this.inclusionPatterns = inclusionPatterns;
    this.exclusionPatterns = exclusionPatterns;
  }
  public boolean execute(IProgressMonitor progressMonitor) {

    if (this.isCancelled || progressMonitor != null && progressMonitor.isCanceled()) return true;
    if (!project.isAccessible()) return true; // nothing to do
    IResource folder = this.project.getParent().findMember(this.folderPath);
    if (folder == null || folder.getType() == IResource.FILE) return true; // nothing to do, source folder was removed

    /* ensure no concurrent write access to index */
    Index index = this.manager.getIndex(this.containerPath, true, /*reuse index file*/ true /*create if none*/);
    if (index == null) return true;
    ReadWriteMonitor monitor = index.monitor;
    if (monitor == null) return true; // index got deleted since acquired

    try {
      monitor.enterRead(); // ask permission to read

      final IPath container = this.containerPath;
      final IndexManager indexManager = this.manager;
      final SourceElementParser parser = indexManager.getSourceElementParser(JavaCore.create(this.project), null/*requestor will be set by indexer*/);
      if (this.exclusionPatterns == null && this.inclusionPatterns == null) {
        folder.accept(
          new IResourceProxyVisitor() {
            public boolean visit(IResourceProxy proxy) /* throws CoreException */{
              if (proxy.getType() == IResource.FILE) {
                if (org.aspectj.org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName()))
                  indexManager.addSource((IFile) proxy.requestResource(), container, parser);
                return false;
              }
              return true;
            }
          },
          IResource.NONE
        );
      } else {
        folder.accept(
          new IResourceProxyVisitor() {
            public boolean visit(IResourceProxy proxy) /* throws CoreException */{
              switch(proxy.getType()) {
                case IResource.FILE :
                  if (org.aspectj.org.eclipse.jdt.internal.core.util.Util.isJavaLikeFileName(proxy.getName())) {
                    IResource resource = proxy.requestResource();
                    if (!Util.isExcluded(resource, inclusionPatterns, exclusionPatterns))
                      indexManager.addSource((IFile)resource, container, parser);
                  }
                  return false;
                case IResource.FOLDER :
                  if (exclusionPatterns != null && inclusionPatterns == null) {
                    // if there are inclusion patterns then we must walk the children
                    if (Util.isExcluded(proxy.requestFullPath(), inclusionPatterns, exclusionPatterns, true))
                        return false;
                  }
              }
              return true;
            }
          },
          IResource.NONE
        );
      }
    } catch (CoreException e) {
      if (JobManager.VERBOSE) {
        Util.verbose("-> failed to add " + this.folderPath + " to index because of the following exception:", System.err); //$NON-NLS-1$ //$NON-NLS-2$
        e.printStackTrace();
      }
      return false;
    } finally {
      monitor.exitRead(); // free read lock
    }
    return true;
  }
  public String toString() {
    return "adding " + this.folderPath + " to index " + this.containerPath; //$NON-NLS-1$ //$NON-NLS-2$
  }
}
TOP

Related Classes of org.aspectj.org.eclipse.jdt.internal.core.search.indexing.AddFolderToIndex

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.