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The official Couchbase Java SDK
/**
* 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.text.ParseException;
import java.util.Collection;
import java.util.LinkedList;
import java.util.logging.Level;
import org.apache.http.HttpRequest;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
/**
* Implementation of a view that calls the map
* function and includes the documents in the result.
*/
public class DocsOperationImpl extends ViewOperationImpl {
public DocsOperationImpl(HttpRequest r, AbstractView view, ViewCallback cb) {
super(r, view, cb);
}
protected ViewResponseWithDocs parseResult(String json)
throws ParseException {
final Collection rows = new LinkedList();
final Collection errors = new LinkedList();
long totalViewRows = 0;
if (json != null) {
try {
JSONObject base = new JSONObject(json);
if (base.has("total_rows")) {
totalViewRows = (long)base.getDouble("total_rows");
}
if (base.has("rows")) {
JSONArray ids = base.getJSONArray("rows");
for (int i = 0; i < ids.length(); i++) {
JSONObject elem = ids.getJSONObject(i);
String id = elem.getString("id");
String value = elem.getString("value");
if(elem.has("bbox")) {
String bbox = elem.getString("bbox");
String geometry = elem.getString("geometry");
rows.add(new SpatialViewRowNoDocs(id, bbox, geometry, value));
} else {
String key = elem.getString("key");
rows.add(new ViewRowNoDocs(id, key, value));
}
}
}
if (base.has("debug_info")) {
LOGGER.log(Level.INFO, "Debugging View {0}: {1}",
new Object[]{getView().getURI(), json});
}
if (base.has("errors")) {
JSONArray ids = base.getJSONArray("errors");
for (int i = 0; i < ids.length(); i++) {
JSONObject elem = ids.getJSONObject(i);
String from = elem.getString("from");
String reason = elem.getString("reason");
errors.add(new RowError(from, reason));
}
}
} catch (JSONException e) {
throw new ParseException("Cannot read json: " + json, 0);
}
}
return new ViewResponseWithDocs(rows, errors, totalViewRows);
}
@Override
protected void parseError(String json, int errorcode)
throws ParseException {
String error = null;
String reason = null;
if (json != null) {
try {
JSONObject base = new JSONObject(json);
if (base.has("error") && base.has("reason")) {
error = base.getString("error");
reason = base.getString("reason");
}
} catch (JSONException e) {
error = "HTTP " + Integer.toString(errorcode);
reason = "No extra information given";
}
}
setException(new ViewException(error, reason));
}
}
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