Java tutorial
/* * Copyright 2010 Proofpoint, Inc. * * Licensed 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 io.airlift.http.server; import com.google.common.base.Throwables; import com.google.common.net.InetAddresses; import com.google.inject.Inject; import io.airlift.node.NodeInfo; import java.net.InetSocketAddress; import java.net.ServerSocket; import java.net.URI; public class HttpServerInfo { private final URI httpUri; private final URI httpExternalUri; private final URI httpsUri; private final URI httpsExternalUri; private final URI adminUri; private final URI adminExternalUri; @Inject public HttpServerInfo(HttpServerConfig config, NodeInfo nodeInfo) { if (config.isHttpEnabled()) { httpUri = buildUri("http", InetAddresses.toUriString(nodeInfo.getInternalIp()), config.getHttpPort()); httpExternalUri = buildUri("http", nodeInfo.getExternalAddress(), httpUri.getPort()); } else { httpUri = null; httpExternalUri = null; } if (config.isHttpsEnabled()) { httpsUri = buildUri("https", InetAddresses.toUriString(nodeInfo.getInternalIp()), config.getHttpsPort()); httpsExternalUri = buildUri("https", nodeInfo.getExternalAddress(), httpsUri.getPort()); } else { httpsUri = null; httpsExternalUri = null; } if (config.isAdminEnabled()) { if (config.isHttpsEnabled()) { adminUri = buildUri("https", InetAddresses.toUriString(nodeInfo.getInternalIp()), config.getAdminPort()); adminExternalUri = buildUri("https", nodeInfo.getExternalAddress(), adminUri.getPort()); } else { adminUri = buildUri("http", InetAddresses.toUriString(nodeInfo.getInternalIp()), config.getAdminPort()); adminExternalUri = buildUri("http", nodeInfo.getExternalAddress(), adminUri.getPort()); } } else { adminUri = null; adminExternalUri = null; } } public URI getHttpUri() { return httpUri; } public URI getHttpExternalUri() { return httpExternalUri; } public URI getHttpsUri() { return httpsUri; } public URI getHttpsExternalUri() { return httpsExternalUri; } public URI getAdminUri() { return adminUri; } public URI getAdminExternalUri() { return adminExternalUri; } private static URI buildUri(String scheme, String host, int port) { try { // 0 means select a random port if (port == 0) { ServerSocket socket = new ServerSocket(); try { socket.bind(new InetSocketAddress(0)); port = socket.getLocalPort(); } finally { socket.close(); } } return new URI(scheme, null, host, port, null, null, null); } catch (Exception e) { throw Throwables.propagate(e); } } }