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From apiri <...@git.apache.org>
Subject [GitHub] nifi-minifi pull request: MINIFI-12 initial commit of http config ...
Date Sat, 16 Apr 2016 04:18:43 GMT
Github user apiri commented on a diff in the pull request:

    https://github.com/apache/nifi-minifi/pull/9#discussion_r59962195
  
    --- Diff: minifi-nar-bundles/minifi-framework-bundle/minifi-framework/minifi-runtime/src/main/java/org/apache/nifi/minifi/configuration/RestChangeNotifier.java
---
    @@ -0,0 +1,181 @@
    +/*
    + * 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.nifi.minifi.configuration;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +import ro.pippo.core.Pippo;
    +import ro.pippo.core.Request;
    +import ro.pippo.core.Response;
    +import ro.pippo.core.WebServerSettings;
    +import ro.pippo.core.route.RouteContext;
    +import ro.pippo.core.route.RouteHandler;
    +import ro.pippo.core.route.RoutePreDispatchListener;
    +import ro.pippo.tomcat.TomcatSettings;
    +
    +import java.io.ByteArrayInputStream;
    +import java.io.IOException;
    +import java.util.HashSet;
    +import java.util.Properties;
    +import java.util.Set;
    +
    +public class RestChangeNotifier implements ConfigurationChangeNotifier {
    +
    +    private final Set<ConfigurationChangeListener> configurationChangeListeners
= new HashSet<>();
    +    private final static Logger log = LoggerFactory.getLogger(RestChangeNotifier.class);
    +    private final Pippo pippo;
    +    private final Thread serverThread;
    +    public static final String GET_TEXT = "This is a config change listener for an Apache
NiFi - MiNiFi instance.\n" +
    +            "Use this rest server to upload a conf.yml to configure the MiNiFi instance.\n"
+
    +            "Send a POST http request to '/upload' to upload the file.";
    +    private static String configFile = null;
    +
    +
    +    public static final String PORT_KEY = "nifi.minifi.notifier.http.port";
    +    public static final String HOST_KEY = "nifi.minifi.notifier.http.host";
    +    public static final String TRUSTSTORE_LOCATION_KEY = "nifi.minifi.notifier.http.truststore.location";
    +    public static final String TRUSTSTORE_PASSWORD_KEY = "nifi.minifi.notifier.http.truststore.password";
    +    public static final String KEYSTORE_LOCATION_KEY = "nifi.minifi.notifier.http.keystore.location";
    +    public static final String KEYSTORE_PASSWORD_KEY = "nifi.minifi.notifier.http.keystore.password";
    +    public static final String KEY_ALIAS_KEY = "nifi.minifi.notifier.http.keystore.alias";
    +    public static final String TOMCAT_HOME_KEY = "nifi.minifi.notifier.http.tomcat.home";
    +
    +    public RestChangeNotifier(Properties properties){
    +        pippo = new Pippo();
    +        this.initialize(properties);
    +        serverThread = new Thread(new RunServer());
    +    }
    +
    +    @Override
    +    public void initialize(Properties properties) {
    +        WebServerSettings webServerSettings = pippo.getServer().getSettings();
    +
    +        String host = properties.getProperty(HOST_KEY);
    +        webServerSettings.host(host != null ? host : "localhost");
    +
    +        String portRaw = properties.getProperty(PORT_KEY);
    +        webServerSettings.port(Integer.parseInt(portRaw != null ? portRaw : "8338"));
    +
    +        webServerSettings.truststoreFile(properties.getProperty(TRUSTSTORE_LOCATION_KEY));
    +        webServerSettings.truststorePassword(properties.getProperty(TRUSTSTORE_PASSWORD_KEY));
    +        webServerSettings.keystoreFile(properties.getProperty(KEYSTORE_LOCATION_KEY));
    +        webServerSettings.keystorePassword(properties.getProperty(KEYSTORE_PASSWORD_KEY));
    +        ((TomcatSettings) webServerSettings).keyAlias(properties.getProperty(KEY_ALIAS_KEY));
    +
    +        String tomcatHome = properties.getProperty(TOMCAT_HOME_KEY);
    +        if(tomcatHome != null) {
    +            ((TomcatSettings) webServerSettings).baseFolder(tomcatHome);
    +        }
    +
    +        pippo.getApplication().getPippoSettings().overrideSetting("tomcat.baseFolder","./target/tomcat_home/");
    +
    +
    +        pippo.getApplication().GET("/", new RouteHandler() {
    +            @Override
    +            public void handle(RouteContext routeContext) {
    +                routeContext.send(GET_TEXT);
    +            }
    +        });
    +
    +        pippo.getApplication().POST("/upload",  new RouteHandler() {
    +            @Override
    +            public void handle(RouteContext routeContext) {
    +
    +                configFile = routeContext.getRequest().getBody();
    +                notifyListeners();
    +                routeContext.send("Configuration received, notifying listeners");
    +            }
    +        });
    +
    +        pippo.getApplication().getRoutePreDispatchListeners().add(new RoutePreDispatchListener()
{
    +            @Override
    +            public void onPreDispatch(Request request, Response response) {
    +                log.info(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
    +                log.info("request method = " + request.getMethod());
    +                log.info("request IP = " + request.getClientIp());
    +                log.info("request url = " + request.getUrl());
    +                log.info("context path = " + request.getContextPath());
    +                log.info("request content type = " + request.getContentType());
    +                log.info("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
    +            }
    +        });
    +    }
    +
    +
    +    @Override
    +    public Set<ConfigurationChangeListener> getChangeListeners() {
    +        return configurationChangeListeners;
    +    }
    +
    +    @Override
    +    public boolean registerListener(ConfigurationChangeListener listener) {
    +        configurationChangeListeners.add(listener);
    --- End diff --
    
    likely want to return the value from the add.  in the case of the Set it will indicate
if a no entry was added or if it was already stored in the Set. 


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