Locate.java

/* ====================================================================
 *
 * The ObjectStyle Group Software License, Version 1.0
 *
 * Copyright (c) 2005 The ObjectStyle Group,
 * and individual authors of the software.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        ObjectStyle Group (http://objectstyle.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "ObjectStyle Group" and "Cayenne"
 *    must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact andrus@objectstyle.org.
 *
 * 5. Products derived from this software may not be called "ObjectStyle"
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 *
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the ObjectStyle Group.  For more
 * information on the ObjectStyle Group, please see
 * <http://objectstyle.org/>.
 *
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package org.objectstyle.wolips.locate;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.objectstyle.wolips.locate.result.ILocateResult;
import org.objectstyle.wolips.locate.scope.ILocateScope;

public class Locate {
	private ILocateScope locateScope;

	private ILocateResult locateResult;

	public Locate(ILocateScope locateScope, ILocateResult locateResult) {
		super();
		this.locateScope = locateScope;
		this.locateResult = locateResult;
	}

	public void locate() throws CoreException, LocateException {
		IProject[] allProjects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
		for (int i = 0; i < allProjects.length; i++) {
			this.investigate(allProjects[i]);
		}
	}

	private void investigate(IProject project) throws CoreException, LocateException {
		if (project.isOpen() && project.isAccessible()) {
			if (!locateScope.ignoreContainer(project)) {
				this.investigate(project.members());
			}
		}
	}

	private void investigate(IResource[] resources) throws CoreException, LocateException {
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			if (resource.isAccessible() && !resource.isDerived()) {
				if (resource.getType() == IResource.FOLDER) {
					this.investigate((IFolder) resource);
				} else if (resource.getType() == IResource.FILE) {
					this.investigate((IFile) resource);
				}
			}
		}
	}

	private void investigate(IFolder folder) throws CoreException, LocateException {
		if (!locateScope.ignoreContainer(folder)) {
			if (locateScope.addToResult(folder)) {
				locateResult.add(folder);
			}
			this.investigate(folder.members());
		}
	}

	private void investigate(IFile file) throws LocateException {
		if (locateScope.addToResult(file)) {
			locateResult.add(file);
		}
	}

}