pt.webdetails.cdf.dd.CdeApi.java Source code

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Here is the source code for pt.webdetails.cdf.dd.CdeApi.java

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/*!
 * Copyright 2002 - 2015 Webdetails, a Pentaho company. All rights reserved.
 *
 * This software was developed by Webdetails and is provided under the terms
 * of the Mozilla Public License, Version 2.0, or any later version. You may not use
 * this file except in compliance with the license. If you need a copy of the license,
 * please go to http://mozilla.org/MPL/2.0/. The Initial Developer is Webdetails.
 *
 * Software distributed under the Mozilla Public License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. Please refer to
 * the license for the specific language governing your rights and limitations.
 */

package pt.webdetails.cdf.dd;

import java.io.IOException;
import java.util.Locale;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.pentaho.platform.engine.core.system.PentahoRequestContextHolder;

import pt.webdetails.cdf.dd.embed.EmbeddedHeadersGenerator;
import pt.webdetails.cpf.utils.PluginIOUtils;

@Path("pentaho-cdf-dd/api")
public class CdeApi {

    private static final Log logger = LogFactory.getLog(CdeApi.class);

    @GET
    @Path("/cde-embed.js")
    @Produces("text/javascript")
    public void getCdeEmbeddedContext(@Context HttpServletRequest servletRequest,
            @Context HttpServletResponse servletResponse) throws Exception {
        try {
            EmbeddedHeadersGenerator embeddedHeadersGenerator = new EmbeddedHeadersGenerator(
                    buildFullServerUrl(servletRequest));
            String locale = servletRequest.getParameter("locale");
            if (!StringUtils.isEmpty(locale)) {
                embeddedHeadersGenerator.setLocale(new Locale(locale));
            }
            PluginIOUtils.writeOutAndFlush(servletResponse.getOutputStream(), embeddedHeadersGenerator.generate());
        } catch (IOException ex) {
            logger.error("getCdeEmbeddedContext: " + ex.getMessage(), ex);
            throw ex;
        }
    }

    protected String buildFullServerUrl(HttpServletRequest servletRequest) {
        if (!StringUtils.isEmpty(servletRequest.getProtocol())) {
            return servletRequest.getProtocol().split("/")[0].toLowerCase() + "://" + servletRequest.getServerName()
                    + ":" + servletRequest.getServerPort()
                    + PentahoRequestContextHolder.getRequestContext().getContextPath();
        }
        return "http://" + servletRequest.getServerName() + ":" + servletRequest.getServerPort()
                + PentahoRequestContextHolder.getRequestContext().getContextPath();
    }

}