de.mpg.imeji.presentation.license.LicenseViewer.java Source code

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Here is the source code for de.mpg.imeji.presentation.license.LicenseViewer.java

Source

package de.mpg.imeji.presentation.license;

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

import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;

import org.apache.commons.lang3.EnumUtils;

import de.mpg.imeji.logic.vo.ImejiLicenses;
import de.mpg.imeji.logic.vo.License;

/**
 * Backing bean for the LicenseViewer component
 *
 * @author saquet
 *
 */
@ManagedBean(name = "LicenseViewer")
@RequestScoped
public class LicenseViewer {

    /**
     * Return a license according to its name. The license must be an {@link ImejiLicenses}
     *
     * @param name
     * @return
     */
    public License getLicense(String name) {
        if (EnumUtils.isValidEnum(ImejiLicenses.class, name)) {
            return new License(ImejiLicenses.valueOf(name));
        }
        return null;
    }

    /**
     * True if the license is active, i.e. not ended
     *
     * @param license
     * @return
     */
    public boolean isActive(License license) {
        return license != null && license.getEnd() < 0;
    }

    /**
     * Sort the license by the start date
     *
     * @param licenses
     * @return
     */
    public List<License> getLicensesSortedByDate(List<License> licenses) {
        final List<License> sorted = new ArrayList<>(licenses);
        Collections.sort(sorted, (l1, l2) -> l1.getStart() > l2.getStart() ? -1 : 1);
        return sorted;

    }
}