IsFeatureFolderPredicate.java

package com.technophobia.substeps.predicate;

import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IPath;

import com.technophobia.eclipse.project.ProjectManager;
import com.technophobia.substeps.supplier.Predicate;

public class IsFeatureFolderPredicate implements Predicate<IFolder> {

    private final ProjectManager projectManager;


    public IsFeatureFolderPredicate(final ProjectManager projectManager) {
        this.projectManager = projectManager;
    }


    @Override
    public boolean forModel(final IFolder folder) {
        final IProject project = folder.getProject();
        final IPath featureFolderPath = featureFolderForProject(project);

        return featureFolderPath != null ? isDescendantOf(folder.getLocation(), featureFolderPath) : false;
    }


    private boolean isDescendantOf(final IPath folder, final IPath featureFolderPath) {
        return featureFolderPath.isPrefixOf(folder);
    }


    private IPath featureFolderForProject(final IProject project) {
        return projectManager.featureFolderFor(project);
    }
}