com.liferay.sync.filter.SyncJSONFilter.java Source code

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Here is the source code for com.liferay.sync.filter.SyncJSONFilter.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.sync.filter;

import com.liferay.portal.kernel.util.ContentTypes;
import com.liferay.portal.kernel.util.PrefsPropsUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.util.PortalUtil;
import com.liferay.sync.SyncServicesUnavailableException;
import com.liferay.sync.util.PortletPropsKeys;
import com.liferay.sync.util.PortletPropsValues;
import com.liferay.sync.util.SyncUtil;

import java.io.IOException;
import java.io.OutputStream;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

/**
 * @author Shinn Lok
 */
public class SyncJSONFilter implements Filter {

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
            throws IOException, ServletException {

        String uri = (String) servletRequest.getAttribute(WebKeys.INVOKER_FILTER_URI);

        if (!uri.startsWith("/api/jsonws/sync-web.")) {
            filterChain.doFilter(servletRequest, servletResponse);

            return;
        }

        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;

        if (PrefsPropsUtil.getBoolean(PortalUtil.getCompanyId(httpServletRequest),
                PortletPropsKeys.SYNC_SERVICES_ENABLED, PortletPropsValues.SYNC_SERVICES_ENABLED)) {

            filterChain.doFilter(servletRequest, servletResponse);

            return;
        }

        servletResponse.setCharacterEncoding(StringPool.UTF8);
        servletResponse.setContentType(ContentTypes.APPLICATION_JSON);

        OutputStream outputStream = servletResponse.getOutputStream();

        String json = SyncUtil.buildExceptionMessage(new SyncServicesUnavailableException());

        json = "{\"exception\": \"" + json + "\"}";

        outputStream.write(json.getBytes(StringPool.UTF8));

        outputStream.close();
    }

    @Override
    public void init(FilterConfig filterConfig) {
    }

}