All Apache Thrift tutorials require that you have:
Generated the tutorial.thrift and shared.thrift files:
thrift -r --gen java tutorial.thrift
Followed all prerequisites listed below.
/* * 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. */ // Generated code import tutorial.*; import shared.*; import org.apache.thrift.TException; import org.apache.thrift.transport.TSSLTransportFactory; import org.apache.thrift.transport.TTransport; import org.apache.thrift.transport.TSocket; import org.apache.thrift.transport.TSSLTransportFactory.TSSLTransportParameters; import org.apache.thrift.protocol.TBinaryProtocol; import org.apache.thrift.protocol.TProtocol; public class JavaClient { public static void main(String [] args) { if (args.length != 1) { System.out.println("Please enter 'simple' or 'secure'"); System.exit(0); } try { TTransport transport; if (args[0].contains("simple")) { transport = new TSocket("localhost", 9090); transport.open(); } else { /* * Similar to the server, you can use the parameters to setup client parameters or * use the default settings. On the client side, you will need a TrustStore which * contains the trusted certificate along with the public key. * For this example it's a self-signed cert. */ TSSLTransportParameters params = new TSSLTransportParameters(); params.setTrustStore("../../lib/java/test/.truststore", "thrift", "SunX509", "JKS"); /* * Get a client transport instead of a server transport. The connection is opened on * invocation of the factory method, no need to specifically call open() */ transport = TSSLTransportFactory.getClientSocket("localhost", 9091, 0, params); } TProtocol protocol = new TBinaryProtocol(transport); Calculator.Client client = new Calculator.Client(protocol); perform(client); transport.close(); } catch (TException x) { x.printStackTrace(); } } private static void perform(Calculator.Client client) throws TException { client.ping(); System.out.println("ping()"); int sum = client.add(1,1); System.out.println("1+1=" + sum); Work work = new Work(); work.op = Operation.DIVIDE; work.num1 = 1; work.num2 = 0; try { int quotient = client.calculate(1, work); System.out.println("Whoa we can divide by 0"); } catch (InvalidOperation io) { System.out.println("Invalid operation: " + io.why); } work.op = Operation.SUBTRACT; work.num1 = 15; work.num2 = 10; try { int diff = client.calculate(1, work); System.out.println("15-10=" + diff); } catch (InvalidOperation io) { System.out.println("Invalid operation: " + io.why); } SharedStruct log = client.getStruct(1); System.out.println("Check log: " + log.value); } }
/* * 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. */ import org.apache.thrift.TException; // Generated code import tutorial.*; import shared.*; import java.util.HashMap; public class CalculatorHandler implements Calculator.Iface { private HashMap<Integer,SharedStruct> log; public CalculatorHandler() { log = new HashMap<Integer, SharedStruct>(); } public void ping() { System.out.println("ping()"); } public int add(int n1, int n2) { System.out.println("add(" + n1 + "," + n2 + ")"); return n1 + n2; } public int calculate(int logid, Work work) throws InvalidOperation { System.out.println("calculate(" + logid + ", {" + work.op + "," + work.num1 + "," + work.num2 + "})"); int val = 0; switch (work.op) { case ADD: val = work.num1 + work.num2; break; case SUBTRACT: val = work.num1 - work.num2; break; case MULTIPLY: val = work.num1 * work.num2; break; case DIVIDE: if (work.num2 == 0) { InvalidOperation io = new InvalidOperation(); io.whatOp = work.op.getValue(); io.why = "Cannot divide by 0"; throw io; } val = work.num1 / work.num2; break; default: InvalidOperation io = new InvalidOperation(); io.whatOp = work.op.getValue(); io.why = "Unknown operation"; throw io; } SharedStruct entry = new SharedStruct(); entry.key = logid; entry.value = Integer.toString(val); log.put(logid, entry); return val; } public SharedStruct getStruct(int key) { System.out.println("getStruct(" + key + ")"); return log.get(key); } public void zip() { System.out.println("zip()"); } }
/* * 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. */ import org.apache.thrift.server.TServer; import org.apache.thrift.server.TServer.Args; import org.apache.thrift.server.TSimpleServer; import org.apache.thrift.server.TThreadPoolServer; import org.apache.thrift.transport.TSSLTransportFactory; import org.apache.thrift.transport.TServerSocket; import org.apache.thrift.transport.TServerTransport; import org.apache.thrift.transport.TSSLTransportFactory.TSSLTransportParameters; // Generated code import tutorial.*; import shared.*; import java.util.HashMap; public class JavaServer { public static CalculatorHandler handler; public static Calculator.Processor processor; public static void main(String [] args) { try { handler = new CalculatorHandler(); processor = new Calculator.Processor(handler); Runnable simple = new Runnable() { public void run() { simple(processor); } }; Runnable secure = new Runnable() { public void run() { secure(processor); } }; new Thread(simple).start(); new Thread(secure).start(); } catch (Exception x) { x.printStackTrace(); } } public static void simple(Calculator.Processor processor) { try { TServerTransport serverTransport = new TServerSocket(9090); TServer server = new TSimpleServer(new Args(serverTransport).processor(processor)); // Use this for a multithreaded server // TServer server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(processor)); System.out.println("Starting the simple server..."); server.serve(); } catch (Exception e) { e.printStackTrace(); } } public static void secure(Calculator.Processor processor) { try { /* * Use TSSLTransportParameters to setup the required SSL parameters. In this example * we are setting the keystore and the keystore password. Other things like algorithms, * cipher suites, client auth etc can be set. */ TSSLTransportParameters params = new TSSLTransportParameters(); // The Keystore contains the private key params.setKeyStore("../../lib/java/test/.keystore", "thrift", null, null); /* * Use any of the TSSLTransportFactory to get a server transport with the appropriate * SSL configuration. You can use the default settings if properties are set in the command line. * Ex: -Djavax.net.ssl.keyStore=.keystore and -Djavax.net.ssl.keyStorePassword=thrift * * Note: You need not explicitly call open(). The underlying server socket is bound on return * from the factory class. */ TServerTransport serverTransport = TSSLTransportFactory.getServerSocket(9091, 0, null, params); TServer server = new TSimpleServer(new Args(serverTransport).processor(processor)); // Use this for a multi threaded server // TServer server = new TThreadPoolServer(new TThreadPoolServer.Args(serverTransport).processor(processor)); System.out.println("Starting the secure server..."); server.serve(); } catch (Exception e) { e.printStackTrace(); } } }