de.hybris.platform.acceleratorservices.addonsupport.RequiredAddOnsNameProvider.java Source code

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Here is the source code for de.hybris.platform.acceleratorservices.addonsupport.RequiredAddOnsNameProvider.java

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/*
 * [y] hybris Platform
 *
 * Copyright (c) 2000-2014 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 de.hybris.platform.acceleratorservices.addonsupport;

import de.hybris.bootstrap.config.ExtensionInfo;
import de.hybris.platform.util.Utilities;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.commons.lang.StringUtils;

public class RequiredAddOnsNameProvider {

    private final Map<String, List<String>> extensionAddOns;

    public RequiredAddOnsNameProvider() {
        extensionAddOns = new HashMap<String, List<String>>();
    }

    public List<String> getAddOns(final String extensionName) {
        if (extensionAddOns.containsKey(extensionName)) {
            return extensionAddOns.get(extensionName);
        }

        final List<String> dependentAddOns = getDependantAddOns(extensionName);
        extensionAddOns.put(extensionName, dependentAddOns);
        return dependentAddOns;
    }

    protected List<String> getDependantAddOns(final String extensionName) {
        if (StringUtils.isEmpty(extensionName)) {
            return Collections.EMPTY_LIST;
        }
        final ExtensionInfo extensionInfo = Utilities.getExtensionInfo(extensionName);
        final Set<ExtensionInfo> allRequiredExtensionInfos = extensionInfo.getAllRequiredExtensionInfos();

        // Check if each required extension is an addon
        final Set<String> allAddOns = new HashSet<String>();
        for (final ExtensionInfo extension : allRequiredExtensionInfos) {
            if (isAddOnExtension(extension)) {
                allAddOns.add(extension.getName());
            }
        }

        // Get the addon names in the correct order
        final List<String> addOnsInOrder = new ArrayList<String>();
        for (final String extName : Utilities.getExtensionNames()) {
            if (allAddOns.contains(extName)) {
                addOnsInOrder.add(extName);
            }
        }
        return addOnsInOrder;
    }

    protected boolean isAddOnExtension(final ExtensionInfo extensionInfo) {
        return new File(extensionInfo.getExtensionDirectory(), "acceleratoraddon").exists();
    }
}