/**
* Copyright (C) 2009-2013 Couchbase, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING
* IN THE SOFTWARE.
*/
package com.couchbase.client.protocol.views;
import java.net.HttpURLConnection;
import java.text.ParseException;
import java.util.Iterator;
import net.spy.memcached.ops.OperationErrorType;
import net.spy.memcached.ops.OperationException;
import net.spy.memcached.ops.OperationStatus;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
/**
* Implements the design doc fetching HTTP operation.
*/
public class DesignDocFetcherOperationImpl extends HttpOperationImpl
implements DesignDocFetcherOperation {
private final String designDocName;
public DesignDocFetcherOperationImpl(HttpRequest r, String designDocName,
DesignDocFetcherCallback designCallback) {
super(r, designCallback);
this.designDocName = designDocName;
}
@Override
public void handleResponse(HttpResponse response) {
String json = getEntityString(response);
try {
int errorcode = response.getStatusLine().getStatusCode();
if (errorcode == HttpURLConnection.HTTP_OK) {
DesignDocument design = parseDesignDocument(designDocName, json);
((DesignDocFetcherCallback) callback).gotData(design);
callback.receivedStatus(new OperationStatus(true, "OK"));
} else {
callback.receivedStatus(new OperationStatus(false,
Integer.toString(errorcode)));
}
} catch (ParseException e) {
exception = new OperationException(OperationErrorType.GENERAL,
"Error parsing JSON");
}
callback.complete();
}
private DesignDocument parseDesignDocument(String ddn, String json)
throws ParseException {
DesignDocument design = new DesignDocument(ddn);
try {
JSONObject base = new JSONObject(json);
if (base.has("error")) {
return null;
}
if(base.has("views")) {
JSONObject views = base.getJSONObject("views");
Iterator iterator = views.keys();
while (iterator.hasNext()) {
ViewDesign view;
String name = (String) iterator.next();
String map = (String) views.getJSONObject(name).get("map");
if(views.getJSONObject(name).has("reduce")) {
String reduce = (String) views.getJSONObject(name).get("reduce");
view = new ViewDesign(name, map, reduce);
} else {
view = new ViewDesign(name, map);
}
design.setView(view);
}
}
if(base.has("spatial")) {
JSONObject views = base.getJSONObject("spatial");
Iterator iterator = views.keys();
while (iterator.hasNext()) {
String name = (String) iterator.next();
String map = (String) views.get(name);
SpatialViewDesign view = new SpatialViewDesign(name, map);
design.setSpatialView(view);
}
}
} catch (JSONException e) {
throw new ParseException("Cannot read json: " + json, 0);
}
return design;
}
}