mirror of
https://github.com/spring-projects/spring-boot.git
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[bs-55] Add strategy for setting system exit code
* Added ExitCodeGenerator and SpringApplication.exit convenience method * User can add bean of type ExitCodeGenerator or supply one in the call to exit() [Fixes #48475971]
This commit is contained in:
parent
4d372bcc25
commit
30087cf6b9
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.bootstrap</groupId>
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<artifactId>spring-bootstrap-samples</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<artifactId>spring-bootstrap-batch-sample</artifactId>
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<packaging>jar</packaging>
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<properties>
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<main.basedir>${project.basedir}/../..</main.basedir>
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<start-class>org.springframework.bootstrap.sample.simple.SimpleBootstrapApplication</start-class>
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</properties>
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<dependencies>
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<dependency>
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<groupId>${project.groupId}</groupId>
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<artifactId>spring-bootstrap</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.batch</groupId>
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<artifactId>spring-batch-core</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-jdbc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.hsqldb</groupId>
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<artifactId>hsqldb</artifactId>
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</dependency>
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<dependency>
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<groupId>org.slf4j</groupId>
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<artifactId>slf4j-jdk14</artifactId>
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<scope>runtime</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<artifactId>maven-dependency-plugin</artifactId>
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</plugin>
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<plugin>
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<artifactId>maven-assembly-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.bootstrap.sample.batch;
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import org.springframework.batch.core.Job;
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import org.springframework.batch.core.Step;
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import org.springframework.batch.core.StepContribution;
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import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
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import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
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import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
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import org.springframework.batch.core.scope.context.ChunkContext;
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import org.springframework.batch.core.step.tasklet.Tasklet;
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import org.springframework.batch.repeat.RepeatStatus;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.bootstrap.SpringApplication;
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import org.springframework.bootstrap.context.annotation.EnableAutoConfiguration;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.ComponentScan;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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@EnableAutoConfiguration
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@ComponentScan
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@EnableBatchProcessing
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public class BatchBootstrapApplication {
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@Autowired
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private JobBuilderFactory jobs;
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@Autowired
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private StepBuilderFactory steps;
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@Bean
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protected Tasklet tasklet() {
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return new Tasklet() {
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@Override
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public RepeatStatus execute(StepContribution contribution,
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ChunkContext context) {
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return RepeatStatus.FINISHED;
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}
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};
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}
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@Bean
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public Job job() throws Exception {
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return this.jobs.get("job").start(step1()).build();
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}
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@Bean
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protected Step step1() throws Exception {
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return this.steps.get("step1").tasklet(tasklet()).build();
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}
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public static void main(String[] args) throws Exception {
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// System.exit is common for Batch applications since the exit code can be used to
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// drive a workflow
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System.exit(SpringApplication.exit(SpringApplication.run(
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BatchBootstrapApplication.class, args)));
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}
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}
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@ -0,0 +1,60 @@
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.bootstrap.sample.batch;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.springframework.bootstrap.SpringApplication;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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public class BatchBootstrapApplicationTests {
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private PrintStream savedOutput;
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private ByteArrayOutputStream output;
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@Before
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public void init() {
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this.savedOutput = System.err;
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this.output = new ByteArrayOutputStream();
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// jdk logging goes to syserr by default
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System.setErr(new PrintStream(this.output));
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}
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@After
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public void after() {
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System.setErr(this.savedOutput);
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}
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private String getOutput() {
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return this.output.toString();
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}
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@Test
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public void testDefaultSettings() throws Exception {
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assertEquals(0, SpringApplication.exit(SpringApplication
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.run(BatchBootstrapApplication.class)));
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String output = getOutput();
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assertTrue("Wrong output: " + output,
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output.contains("completed with the following parameters"));
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}
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}
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}
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}
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@Test
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@Test
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public void testCommandLoneOverrides() throws Exception {
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public void testCommandLineOverrides() throws Exception {
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SimpleBootstrapApplication.main(new String[] { "--name=Gordon" });
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SimpleBootstrapApplication.main(new String[] { "--name=Gordon" });
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String output = getOutput();
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String output = getOutput();
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assertTrue("Wrong output: " + output, output.contains("Hello Gordon"));
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assertTrue("Wrong output: " + output, output.contains("Hello Gordon"));
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.bootstrap;
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/**
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* @author Dave Syer
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*
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*/
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public interface ExitCodeGenerator {
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int getExitCode();
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}
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@ -563,4 +563,49 @@ public class SpringApplication {
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return new SpringApplication(sources).run(args);
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return new SpringApplication(sources).run(args);
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}
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}
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/**
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* Static helper that can be used to exit a {@link SpringApplication} and obtain a
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* code indicating success (0) or otherwise. Does not throw exceptions but should
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* print stack traces of any encountered.
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* @param context the context to close if possible
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* @return the outcome (0 if successful)
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*/
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public static int exit(ApplicationContext context,
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ExitCodeGenerator... exitCodeGenerators) {
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int code = 0;
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List<ExitCodeGenerator> exiters = new ArrayList<ExitCodeGenerator>(
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Arrays.asList(exitCodeGenerators));
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try {
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exiters.addAll(context.getBeansOfType(ExitCodeGenerator.class).values());
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for (ExitCodeGenerator exiter : exiters) {
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try {
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int value = exiter.getExitCode();
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if (value > code || value < 0 && value < code) {
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code = value;
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}
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} catch (Exception e) {
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code = code == 0 ? 1 : code;
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e.printStackTrace();
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}
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}
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if (context instanceof ConfigurableApplicationContext) {
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ConfigurableApplicationContext closable = (ConfigurableApplicationContext) context;
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closable.close();
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}
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} catch (Exception e) {
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code = code == 0 ? 1 : code;
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e.printStackTrace();
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}
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return code;
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}
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}
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}
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@ -18,6 +18,7 @@ package org.springframework.bootstrap.autoconfigure.batch;
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import org.springframework.batch.core.launch.JobLauncher;
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import org.springframework.batch.core.launch.JobLauncher;
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import org.springframework.bootstrap.CommandLineRunner;
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import org.springframework.bootstrap.CommandLineRunner;
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import org.springframework.bootstrap.ExitCodeGenerator;
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import org.springframework.bootstrap.context.annotation.ConditionalOnClass;
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import org.springframework.bootstrap.context.annotation.ConditionalOnClass;
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import org.springframework.bootstrap.context.annotation.ConditionalOnMissingBean;
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import org.springframework.bootstrap.context.annotation.ConditionalOnMissingBean;
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import org.springframework.bootstrap.context.annotation.EnableAutoConfiguration;
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import org.springframework.bootstrap.context.annotation.EnableAutoConfiguration;
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@ -45,4 +46,10 @@ public class BatchAutoConfiguration {
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return new JobLauncherCommandLineRunner();
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return new JobLauncherCommandLineRunner();
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}
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}
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@Bean
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@ConditionalOnMissingBean({ ExitCodeGenerator.class })
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public ExitCodeGenerator jobExecutionExitCodeGenerator() {
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return new JobExecutionExitCodeGenerator();
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}
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}
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}
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.bootstrap.autoconfigure.batch;
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import org.springframework.batch.core.JobExecution;
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import org.springframework.context.ApplicationEvent;
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/**
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* @author Dave Syer
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*
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*/
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public class JobExecutionEvent extends ApplicationEvent {
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private JobExecution execution;
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/**
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* @param execution
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*/
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public JobExecutionEvent(JobExecution execution) {
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super(execution);
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this.execution = execution;
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}
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/**
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* @return the job execution
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*/
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public JobExecution getJobExecution() {
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return this.execution;
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}
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}
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.bootstrap.autoconfigure.batch;
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import java.util.ArrayList;
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import java.util.List;
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import org.springframework.batch.core.JobExecution;
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import org.springframework.bootstrap.ExitCodeGenerator;
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import org.springframework.context.ApplicationListener;
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/**
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* @author Dave Syer
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*
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*/
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public class JobExecutionExitCodeGenerator implements
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ApplicationListener<JobExecutionEvent>, ExitCodeGenerator {
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private List<JobExecution> executions = new ArrayList<JobExecution>();
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@Override
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public void onApplicationEvent(JobExecutionEvent event) {
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this.executions.add(event.getJobExecution());
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}
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@Override
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public int getExitCode() {
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for (JobExecution execution : this.executions) {
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if (execution.getStatus().isUnsuccessful()) {
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return 2;
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}
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}
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return 0;
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}
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}
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@ -21,18 +21,22 @@ import java.util.Properties;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.batch.core.Job;
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import org.springframework.batch.core.Job;
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import org.springframework.batch.core.JobExecution;
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import org.springframework.batch.core.JobExecutionException;
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import org.springframework.batch.core.JobExecutionException;
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import org.springframework.batch.core.converter.DefaultJobParametersConverter;
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import org.springframework.batch.core.converter.DefaultJobParametersConverter;
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import org.springframework.batch.core.converter.JobParametersConverter;
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import org.springframework.batch.core.converter.JobParametersConverter;
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import org.springframework.batch.core.launch.JobLauncher;
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import org.springframework.batch.core.launch.JobLauncher;
|
||||||
import org.springframework.beans.factory.annotation.Autowired;
|
import org.springframework.beans.factory.annotation.Autowired;
|
||||||
import org.springframework.bootstrap.CommandLineRunner;
|
import org.springframework.bootstrap.CommandLineRunner;
|
||||||
|
import org.springframework.context.ApplicationEventPublisher;
|
||||||
|
import org.springframework.context.ApplicationEventPublisherAware;
|
||||||
import org.springframework.stereotype.Component;
|
import org.springframework.stereotype.Component;
|
||||||
import org.springframework.util.StringUtils;
|
import org.springframework.util.StringUtils;
|
||||||
|
|
||||||
@Component
|
@Component
|
||||||
// FIXME: what to do with more than one Job?
|
// FIXME: what to do with more than one Job?
|
||||||
public class JobLauncherCommandLineRunner implements CommandLineRunner {
|
public class JobLauncherCommandLineRunner implements CommandLineRunner,
|
||||||
|
ApplicationEventPublisherAware {
|
||||||
|
|
||||||
private static Log logger = LogFactory.getLog(JobLauncherCommandLineRunner.class);
|
private static Log logger = LogFactory.getLog(JobLauncherCommandLineRunner.class);
|
||||||
|
|
||||||
@ -45,18 +49,24 @@ public class JobLauncherCommandLineRunner implements CommandLineRunner {
|
|||||||
@Autowired
|
@Autowired
|
||||||
private Job job;
|
private Job job;
|
||||||
|
|
||||||
public void run(String... args) {
|
private ApplicationEventPublisher publisher;
|
||||||
logger.info("Running default command line with: " + Arrays.asList(args));
|
|
||||||
launchJobFromProperties(StringUtils.splitArrayElementsIntoProperties(args,
|
@Override
|
||||||
"="));
|
public void setApplicationEventPublisher(ApplicationEventPublisher publisher) {
|
||||||
|
this.publisher = publisher;
|
||||||
}
|
}
|
||||||
|
|
||||||
protected void launchJobFromProperties(Properties properties) {
|
public void run(String... args) throws JobExecutionException {
|
||||||
try {
|
logger.info("Running default command line with: " + Arrays.asList(args));
|
||||||
this.jobLauncher.run(this.job,
|
launchJobFromProperties(StringUtils.splitArrayElementsIntoProperties(args, "="));
|
||||||
this.converter.getJobParameters(properties));
|
}
|
||||||
} catch (JobExecutionException e) {
|
|
||||||
throw new IllegalStateException("Could not run job", e);
|
protected void launchJobFromProperties(Properties properties)
|
||||||
|
throws JobExecutionException {
|
||||||
|
JobExecution execution = this.jobLauncher.run(this.job,
|
||||||
|
this.converter.getJobParameters(properties));
|
||||||
|
if (this.publisher != null) {
|
||||||
|
this.publisher.publishEvent(new JobExecutionEvent(execution));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
@ -51,6 +51,7 @@ import org.springframework.web.context.support.StaticWebApplicationContext;
|
|||||||
import static org.hamcrest.Matchers.equalTo;
|
import static org.hamcrest.Matchers.equalTo;
|
||||||
import static org.hamcrest.Matchers.instanceOf;
|
import static org.hamcrest.Matchers.instanceOf;
|
||||||
import static org.hamcrest.Matchers.sameInstance;
|
import static org.hamcrest.Matchers.sameInstance;
|
||||||
|
import static org.junit.Assert.assertEquals;
|
||||||
import static org.junit.Assert.assertNotNull;
|
import static org.junit.Assert.assertNotNull;
|
||||||
import static org.junit.Assert.assertThat;
|
import static org.junit.Assert.assertThat;
|
||||||
import static org.junit.Assert.assertTrue;
|
import static org.junit.Assert.assertTrue;
|
||||||
@ -279,6 +280,29 @@ public class SpringApplicationTests {
|
|||||||
assertNotNull(this.context);
|
assertNotNull(this.context);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void exit() throws Exception {
|
||||||
|
SpringApplication application = new SpringApplication(ExampleConfig.class);
|
||||||
|
application.setWebEnvironment(false);
|
||||||
|
ApplicationContext context = application.run();
|
||||||
|
assertNotNull(context);
|
||||||
|
assertEquals(0, SpringApplication.exit(context));
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void exitWithExplicitCOde() throws Exception {
|
||||||
|
SpringApplication application = new SpringApplication(ExampleConfig.class);
|
||||||
|
application.setWebEnvironment(false);
|
||||||
|
ApplicationContext context = application.run();
|
||||||
|
assertNotNull(context);
|
||||||
|
assertEquals(2, SpringApplication.exit(context, new ExitCodeGenerator() {
|
||||||
|
@Override
|
||||||
|
public int getExitCode() {
|
||||||
|
return 2;
|
||||||
|
}
|
||||||
|
}));
|
||||||
|
}
|
||||||
|
|
||||||
@Test
|
@Test
|
||||||
public void defaultCommandLineArgs() throws Exception {
|
public void defaultCommandLineArgs() throws Exception {
|
||||||
SpringApplication application = new SpringApplication(ExampleConfig.class);
|
SpringApplication application = new SpringApplication(ExampleConfig.class);
|
||||||
|
Loading…
Reference in New Issue
Block a user