/*
* 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.brooklyn.feed.http;
import java.net.URI;
import java.util.Map;
import javax.annotation.Nullable;
import org.apache.brooklyn.api.sensor.AttributeSensor;
import org.apache.brooklyn.core.feed.PollConfig;
import org.apache.brooklyn.util.collections.MutableList;
import org.apache.brooklyn.util.collections.MutableMap;
import org.apache.brooklyn.util.http.HttpTool;
import org.apache.brooklyn.util.http.HttpToolResponse;
import org.apache.brooklyn.util.time.Duration;
import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableMap;
public class HttpPollConfig<T> extends PollConfig<HttpToolResponse, T, HttpPollConfig<T>> {
private String method = "GET";
private String suburl = "";
private Map<String, String> vars = ImmutableMap.<String,String>of();
private Map<String, String> headers = ImmutableMap.<String,String>of();
private byte[] body;
private Duration connectionTimeout;
private Duration socketTimeout;
public static final Predicate<HttpToolResponse> DEFAULT_SUCCESS = new Predicate<HttpToolResponse>() {
@Override
public boolean apply(@Nullable HttpToolResponse input) {
return input != null && input.getResponseCode() >= 200 && input.getResponseCode() <= 399;
}};
public static <T> HttpPollConfig<T> forSensor(AttributeSensor<T> sensor) {
return new HttpPollConfig<T>(sensor);
}
public static HttpPollConfig<Void> forMultiple() {
return new HttpPollConfig<Void>(PollConfig.NO_SENSOR);
}
public HttpPollConfig(AttributeSensor<T> sensor) {
super(sensor);
super.checkSuccess(DEFAULT_SUCCESS);
}
public HttpPollConfig(HttpPollConfig<T> other) {
super(other);
suburl = other.suburl;
vars = other.vars;
method = other.method;
headers = other.headers;
}
public String getSuburl() {
return suburl;
}
public Map<String, String> getVars() {
return vars;
}
public Duration getConnectionTimeout() {
return connectionTimeout;
}
public Duration getSocketTimeout() {
return socketTimeout;
}
public String getMethod() {
return method;
}
public byte[] getBody() {
return body;
}
public HttpPollConfig<T> method(String val) {
this.method = val; return this;
}
public HttpPollConfig<T> suburl(String val) {
this.suburl = val; return this;
}
public HttpPollConfig<T> vars(Map<String,String> val) {
this.vars = val; return this;
}
public HttpPollConfig<T> headers(Map<String,String> val) {
this.headers = val; return this;
}
public HttpPollConfig<T> body(byte[] val) {
this.body = val; return this;
}
public HttpPollConfig<T> connectionTimeout(Duration val) {
this.connectionTimeout = val;
return this;
}
public HttpPollConfig<T> socketTimeout(Duration val) {
this.socketTimeout = val;
return this;
}
public URI buildUri(URI baseUri, Map<String,String> baseUriVars) {
String uri = (baseUri != null ? baseUri.toString() : "") + (suburl != null ? suburl : "");
Map<String,String> allvars = concat(baseUriVars, vars);
if (allvars != null && allvars.size() > 0) {
uri += "?" + HttpTool.encodeUrlParams(allvars);
}
return URI.create(uri);
}
public Map<String, String> buildHeaders(Map<String, String> baseHeaders) {
return MutableMap.<String,String>builder()
.putAll(baseHeaders)
.putAll(headers)
.build();
}
@SuppressWarnings("unchecked")
private <K,V> Map<K,V> concat(Map<? extends K,? extends V> map1, Map<? extends K,? extends V> map2) {
if (map1 == null || map1.isEmpty()) return (Map<K,V>) map2;
if (map2 == null || map2.isEmpty()) return (Map<K,V>) map1;
// TODO Not using Immutable builder, because that fails if duplicates in map1 and map2
return MutableMap.<K,V>builder().putAll(map1).putAll(map2).build();
}
@Override protected String toStringBaseName() { return "http"; }
@Override protected String toStringPollSource() { return suburl; }
@Override
protected MutableList<Object> equalsFields() {
return super.equalsFields().appendIfNotNull(method).appendIfNotNull(vars).appendIfNotNull(headers)
.appendIfNotNull(body).appendIfNotNull(connectionTimeout).appendIfNotNull(socketTimeout);
}
}