com.epam.cme.storefront.breadcrumb.impl.DefaultResourceBreadcrumbBuilder.java Source code

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Here is the source code for com.epam.cme.storefront.breadcrumb.impl.DefaultResourceBreadcrumbBuilder.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2013 hybris AG
 * All rights reserved.
 *
 * This software is the confidential and proprietary information of hybris
 * ("Confidential Information"). You shall not disclose such Confidential
 * Information and shall use it only in accordance with the terms of the
 * license agreement you entered into with hybris.
 * 
 *  
 */
package com.epam.cme.storefront.breadcrumb.impl;

import de.hybris.platform.servicelayer.i18n.I18NService;
import com.epam.cme.storefront.breadcrumb.Breadcrumb;
import com.epam.cme.storefront.breadcrumb.ResourceBreadcrumbBuilder;

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

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.context.MessageSource;
import org.springframework.ui.context.Theme;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.servlet.support.RequestContextUtils;

/**
 * BasicBreadcrumbBuilder implementation
 */
public class DefaultResourceBreadcrumbBuilder implements ResourceBreadcrumbBuilder {
    private static final String LAST_LINK_CLASS = "active";

    private I18NService i18nService;

    private String parentBreadcrumbResourceKey;
    private String parentBreadcrumbLinkPath;

    protected I18NService getI18nService() {
        return i18nService;
    }

    @Required
    public void setI18nService(final I18NService i18nService) {
        this.i18nService = i18nService;
    }

    protected MessageSource getMessageSource() {
        final ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder
                .getRequestAttributes();
        if (requestAttributes != null) {
            final HttpServletRequest request = requestAttributes.getRequest();
            final Theme theme = RequestContextUtils.getTheme(request);
            if (theme != null) {
                return theme.getMessageSource();
            }
        }

        return null;
    }

    protected String getParentBreadcrumbResourceKey() {
        return parentBreadcrumbResourceKey;
    }

    // Optional
    public void setParentBreadcrumbResourceKey(final String parentBreadcrumbResourceKey) {
        this.parentBreadcrumbResourceKey = parentBreadcrumbResourceKey;
    }

    protected String getParentBreadcrumbLinkPath() {
        return parentBreadcrumbLinkPath;
    }

    // Optional
    public void setParentBreadcrumbLinkPath(final String parentBreadcrumbLinkPath) {
        this.parentBreadcrumbLinkPath = parentBreadcrumbLinkPath;
    }

    @Override
    public List<Breadcrumb> getBreadcrumbs(final String resourceKey) throws IllegalArgumentException {
        final List<Breadcrumb> breadcrumbs = new ArrayList<Breadcrumb>();
        final MessageSource messageSource = getMessageSource();

        if (getParentBreadcrumbResourceKey() != null && !getParentBreadcrumbResourceKey().isEmpty()) {
            final String name = messageSource.getMessage(getParentBreadcrumbResourceKey(), null,
                    getI18nService().getCurrentLocale());
            final String breadcrumbLinkPath = getParentBreadcrumbLinkPath();
            final String link = breadcrumbLinkPath != null && !breadcrumbLinkPath.isEmpty() ? breadcrumbLinkPath
                    : "#";
            breadcrumbs.add(new Breadcrumb(link, name, null));
        }

        if (StringUtils.isNotBlank(resourceKey)) {
            final String name = messageSource.getMessage(resourceKey, null, getI18nService().getCurrentLocale());
            breadcrumbs.add(new Breadcrumb("#", name, null));
        }

        if (!breadcrumbs.isEmpty()) {
            breadcrumbs.get(breadcrumbs.size() - 1).setLinkClass(LAST_LINK_CLASS);
        }

        return breadcrumbs;
    }
}