/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.streams.sysomos.provider;
import org.apache.streams.sysomos.SysomosException;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.MalformedURLException;
import java.net.URL;
import static org.apache.streams.sysomos.util.SysomosUtils.SYSOMOS_DATE_FORMATTER;
/**
* Builds requests for the Sysomos Heartbeat Content API. This is the preferred method of
* accessing data from Sysomoos Heartbeat
*/
public class ContentRequestBuilder extends AbstractRequestBuilder implements RequestBuilder {
private static final Logger LOGGER = LoggerFactory.getLogger(ContentRequestBuilder.class);
private String baseUrl;
private String hid;
private String addedAfter;
private String addedBefore;
private String size;
private String offset;
private String apiKey;
/**
* The max number of items you are allowed to get per request.
*/
public static final int MAX_ALLOWED_PER_REQUEST = 10000;
/**
* Constructs a new ContentRequestBuilder for the specified API key and Sysomos URL.
* @param baseUrl the base URL for the sysomos API
* @param apiKey the API key generated by Sysomos for authorization
*/
protected ContentRequestBuilder(String baseUrl, String apiKey) {
this.baseUrl = baseUrl;
this.apiKey = apiKey;
}
/**
* Gets the Request URL based on the local fields.
* @return a valid URL for the Sysomos API or an exception
*/
@Override
public URL getRequestUrl() {
StringBuilder url = new StringBuilder();
url.append(this.baseUrl);
url.append("v1/heartbeat/content?");
url.append("apiKey=");
url.append(this.apiKey);
url.append("&hid=");
url.append(this.hid);
if (size != null) {
url.append("&size=");
url.append(this.size);
}
if (this.addedAfter != null) {
url.append("&addedAfter=");
url.append(this.addedAfter);
}
if (this.addedBefore != null) {
url.append("&addedBefore=");
url.append(this.addedBefore);
}
if (this.offset != null) {
url.append("&offset=");
url.append(this.offset);
}
String urlString = url.toString();
LOGGER.debug("Constructed Request URL: {}", urlString);
try {
return new URL(urlString);
} catch (MalformedURLException ex) {
throw new SysomosException("Malformed Request URL. Check Request Builder parameters", ex);
}
}
@Override
public RequestBuilder setHeartBeatId(int hid) {
return setHeartBeatId(Integer.toString(hid));
}
@Override
public RequestBuilder setHeartBeatId(String hid) {
this.hid = hid;
return this;
}
@Override
public RequestBuilder setAddedAfterDate(DateTime afterDate) {
this.addedAfter = SYSOMOS_DATE_FORMATTER.print(afterDate);
return this;
}
@Override
public RequestBuilder setAddedBeforeDate(DateTime beforeDate) {
this.addedBefore = SYSOMOS_DATE_FORMATTER.print(beforeDate);
return this;
}
@Override
public RequestBuilder setReturnSetSize(long size) {
this.size = Long.toString(Math.min(size, MAX_ALLOWED_PER_REQUEST));
return this;
}
@Override
public RequestBuilder setOffset(long offset) {
this.offset = Long.toString(offset);
return this;
}
}