RpmlintDeltaVisitor.java

/*******************************************************************************
 * Copyright (c) 2007 Alphonse Van Assche 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:
 *    Alphonse Van Assche - initial API and implementation
 *    Red Hat Inc. - ongoing maintenance
 *******************************************************************************/
package org.eclipse.linuxtools.internal.rpm.rpmlint.builder;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.linuxtools.internal.rpm.rpmlint.Activator;
import org.eclipse.linuxtools.internal.rpm.rpmlint.parser.RpmlintParser;

/**
 * Visitor that checks whether the resource is a .spec or .rpm file and whether it's ADDED or CHANGED.
 * If both conditions are true it's stored for later usage.
 *
 */
public class RpmlintDeltaVisitor implements IResourceDeltaVisitor {

    private List<String> paths = new ArrayList<>();

    @Override
    public boolean visit(IResourceDelta delta) {
        IResource resource = delta.getResource();
        if (Activator.SPECFILE_EXTENSION.equals(resource.getFileExtension())
                || Activator.RPMFILE_EXTENSION.equals(resource
                        .getFileExtension())) {
            switch (delta.getKind()) {
            // we first visiting resources to be able to run the rpmlint command
            // only once. That improve drastically the performance.
            case IResourceDelta.ADDED:
                paths.add(resource.getLocation().toOSString());
                break;
            case IResourceDelta.CHANGED:
                RpmlintParser.deleteMarkers(resource);
                paths.add(resource.getLocation().toOSString());
                break;
            }
        }
        return true;
    }

    /**
     * Returns the visited and marked paths.
     * @return The marked paths.
     */
    public List<String> getVisitedPaths() {
        return paths;
    }

}