com.liferay.portal.atom.AtomUtil.java Source code

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Here is the source code for com.liferay.portal.atom.AtomUtil.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.atom;

import com.liferay.petra.string.CharPool;
import com.liferay.petra.string.StringBundler;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.atom.AtomRequestContext;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.model.Company;
import com.liferay.portal.kernel.model.User;
import com.liferay.portal.kernel.security.auth.CompanyThreadLocal;
import com.liferay.portal.kernel.service.CompanyLocalServiceUtil;
import com.liferay.portal.kernel.util.PortalUtil;
import com.liferay.portal.kernel.util.StringUtil;

import javax.servlet.http.HttpServletRequest;

import org.apache.abdera.protocol.server.RequestContext;

/**
 * @author Igor Spasic
 */
public class AtomUtil {

    public static String createCollectionLink(AtomRequestContext atomRequestContext, String collectionName) {

        return createEntryLink(atomRequestContext, collectionName, null);
    }

    public static String createEntryLink(AtomRequestContext atomRequestContext, String collectionName,
            String entryName) {

        StringBundler sb = new StringBundler(5);

        String targetBasePath = atomRequestContext.getTargetBasePath();

        sb.append(targetBasePath);

        sb.append(CharPool.SLASH);
        sb.append(collectionName);

        if (entryName != null) {
            sb.append(CharPool.SLASH);
            sb.append(entryName);
        }

        String entryLink = sb.toString();

        String resolvedUri = atomRequestContext.getResolvedUri();

        int pos = resolvedUri.indexOf(targetBasePath);

        if (pos != -1) {
            entryLink = resolvedUri.substring(0, pos) + entryLink;
        }

        return entryLink;
    }

    public static String createFeedTitleFromPortletName(AtomRequestContext atomRequestContext, String portletId) {

        String portletTitle = null;

        try {
            Company company = getCompany();

            portletTitle = company.getName();
        } catch (Exception e) {
            return null;
        }

        User user = getUser(atomRequestContext);

        portletTitle = portletTitle.concat(StringPool.SPACE);

        portletTitle = portletTitle.concat(PortalUtil.getPortletTitle(portletId, user));

        portletTitle = portletTitle.trim();

        return portletTitle;
    }

    public static String createIdTagPrefix(String title) {
        Company company = null;

        try {
            company = getCompany();
        } catch (Exception e) {
            return StringPool.BLANK;
        }

        StringBundler sb = new StringBundler(5);

        sb.append("tag:");
        sb.append(company.getWebId());
        sb.append(StringPool.COLON);
        sb.append(title);
        sb.append(StringPool.COLON);

        String idTagPrefix = sb.toString();

        return StringUtil.toLowerCase(idTagPrefix);
    }

    public static Company getCompany() throws PortalException {
        return CompanyLocalServiceUtil.getCompanyById(CompanyThreadLocal.getCompanyId());
    }

    public static AtomPager getPager(RequestContext requestContext) {
        return (AtomPager) requestContext.getAttribute(RequestContext.Scope.REQUEST, _PAGER);
    }

    public static User getUser(AtomRequestContext atomRequestContext) {
        return (User) atomRequestContext.getRequestAttribute(_USER);
    }

    public static String resolveCollectionUrl(String url, String collectionName) {

        String collection = CharPool.SLASH + collectionName + CharPool.SLASH;

        int collectionIndex = url.indexOf(collection);

        if (collectionIndex == -1) {
            return url;
        }

        collectionIndex += collectionName.length() + 1;

        int questionIndex = url.indexOf(CharPool.QUESTION, collectionIndex);

        if (questionIndex != -1) {
            url = url.substring(0, collectionIndex) + url.substring(questionIndex);
        } else {
            url = url.substring(0, collectionIndex);
        }

        return url;
    }

    public static void saveAtomPagerInRequest(AtomRequestContext atomRequestContext, AtomPager atomPager) {

        atomRequestContext.setRequestAttribute(_PAGER, atomPager);
    }

    public static void saveUserInRequest(HttpServletRequest httpServletRequest, User user) {

        httpServletRequest.setAttribute(_USER, user);
    }

    public static String setPageInUrl(String url, int page) {
        int pageIndex = url.indexOf("page=");

        if (pageIndex == -1) {
            int questionIndex = url.indexOf(CharPool.QUESTION);

            if (questionIndex == -1) {
                url += CharPool.QUESTION;
            } else {
                url += CharPool.AMPERSAND;
            }

            return url + "page=" + page;
        }

        int endIndex = url.indexOf(CharPool.AMPERSAND, pageIndex);

        if (endIndex == -1) {
            url = url.substring(0, pageIndex);
        } else {
            url = url.substring(0, pageIndex) + url.substring(endIndex + 1);

            url += CharPool.AMPERSAND;
        }

        url += "page=" + page;

        return url;
    }

    private static final String _PAGER = AtomUtil.class.getName() + ".pager";

    private static final String _USER = AtomUtil.class.getName() + ".user";

}