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/**
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* Copyright: 2013 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.common.query;
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import org.apache.solr.client.solrj.SolrServerException;
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import org.apache.solr.response.CSVResponseWriter;
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import org.apache.solr.response.JSONResponseWriter;
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import org.apache.solr.response.PHPResponseWriter;
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import org.apache.solr.response.PHPSerializedResponseWriter;
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import org.apache.solr.response.PythonResponseWriter;
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import org.apache.solr.response.QueryResponseWriter;
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import org.apache.solr.response.RubyResponseWriter;
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//import org.apache.solr.response.VelocityResponseWriter;
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import org.apache.solr.response.XMLResponseWriter;
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/**
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* Generate a QueryResponseWriter base on the specified format.
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* @author tao
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*
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*/
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public class SolrQueryResponseWriterFactory {
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public static final String XML = "xml";
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public static final String JSON = "json";
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public static final String PYTHON = "python";
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public static final String RUBY = "ruby";
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public static final String PHP = "php";
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public static final String PHPS = "phps";
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public static final String VELOCITY = "velocity";
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public static final String CSV ="csv";
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/** Create a QueryReponseWriter based on the specified wt format.
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* Here is the list of the handler class to handle different format.
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* <queryResponseWriter name="xml" default="true" class="solr.XMLResponseWriter" />
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* <queryResponseWriter name="json" class="solr.JSONResponseWriter"/>
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* <queryResponseWriter name="python" class="solr.PythonResponseWriter"/>
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* <queryResponseWriter name="ruby" class="solr.RubyResponseWriter"/>
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* <queryResponseWriter name="php" class="solr.PHPResponseWriter"/>
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* <queryResponseWriter name="phps" class="solr.PHPSerializedResponseWriter"/>
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* <queryResponseWriter name="velocity" class="solr.VelocityResponseWriter"/>
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* <queryResponseWriter name="csv" class="solr.CSVResponseWriter"/>
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*/
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public static QueryResponseWriter generateResponseWriter(String wt) throws SolrServerException {
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QueryResponseWriter writer = null;
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if(wt == null || wt.trim().equals("") || wt.equals(XML)) {
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writer = new XMLResponseWriter();
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} else if(wt.equals(JSON)) {
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writer = new JSONResponseWriter();
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} else if(wt.equals(PYTHON)) {
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writer = new PythonResponseWriter();
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} else if(wt.equals(RUBY)) {
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writer = new RubyResponseWriter();
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} else if(wt.equals(PHP)) {
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writer = new PHPResponseWriter();
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} else if(wt.equals(PHPS)) {
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writer = new PHPSerializedResponseWriter();
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/*} else if(wt.equals(VELOCITY)) {
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writer = new VelocityResponseWriter();*/
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} else if(wt.equals(CSV)) {
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writer = new CSVResponseWriter();
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} else {
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throw new SolrServerException("Metacat doesn't support this response format "+wt);
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}
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return writer;
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}
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public static String getContentType(String wt) {
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String contentType = null;
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if (wt == null || wt.trim().equals("") || wt.equals(XML)) {
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contentType = "text/xml";
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} else if (wt.equals(JSON)) {
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contentType = "text/json";
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} else if (wt.equals(PYTHON)) {
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contentType = "text/plain";
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} else if (wt.equals(RUBY)) {
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contentType = "text/plain";
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} else if (wt.equals(PHP)) {
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contentType = "text/plain";
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} else if (wt.equals(PHPS)) {
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contentType = "text/plain";
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} else if (wt.equals(VELOCITY)) {
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contentType = "text/html";
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} else if (wt.equals(CSV)) {
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contentType = "text/csv";
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} else {
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// just don't know what it is...
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contentType = null;
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}
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return contentType;
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}
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}
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