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extract spring-shell module

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This commit is contained in:
Denis
2019-10-06 12:55:49 +02:00
parent f88952e7ec
commit 6839533ec0
13 changed files with 61 additions and 1 deletions
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10
spring-core-2/src/main/java/org/baeldung/shell/Main.java
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package org.baeldung.shell;
import java.io.IOException;
import org.springframework.shell.Bootstrap;
public class Main {
public static void main(String[] args) throws IOException {
Bootstrap.main(args);
}
}

34
spring-core-2/src/main/java/org/baeldung/shell/simple/SimpleBannerProvider.java
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package org.baeldung.shell.simple;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.shell.plugin.support.DefaultBannerProvider;
import org.springframework.shell.support.util.OsUtils;
import org.springframework.stereotype.Component;
@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class SimpleBannerProvider extends DefaultBannerProvider {
public String getBanner() {
StringBuffer buf = new StringBuffer();
buf.append("=======================================").append(OsUtils.LINE_SEPARATOR);
buf.append("* Baeldung Shell *").append(OsUtils.LINE_SEPARATOR);
buf.append("=======================================").append(OsUtils.LINE_SEPARATOR);
buf.append("Version:").append(this.getVersion());
return buf.toString();
}
public String getVersion() {
return "1.0.1";
}
public String getWelcomeMessage() {
return "Welcome to Baeldung CLI";
}
@Override
public String getProviderName() {
return "Baeldung Banner";
}
}

70
spring-core-2/src/main/java/org/baeldung/shell/simple/SimpleCLI.java
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package org.baeldung.shell.simple;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.springframework.shell.Bootstrap;
import org.springframework.shell.core.CommandMarker;
import org.springframework.shell.core.annotation.CliAvailabilityIndicator;
import org.springframework.shell.core.annotation.CliCommand;
import org.springframework.shell.core.annotation.CliOption;
import org.springframework.stereotype.Component;
@Component
public class SimpleCLI implements CommandMarker {
private String getContentsOfUrlAsString(URL url) {
StringBuilder sb = new StringBuilder();
try {
try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()))) {
String inputLine;
while ((inputLine = in.readLine()) != null) {
sb.append(inputLine);
}
}
} catch (IOException ex) {
sb.append("ERROR");
}
return sb.toString();
}
@CliCommand(value = { "web-get", "wg" }, help = "Displays the contents of a URL.")
public String webGet(@CliOption(key = { "", "url" }, help = "URL whose contents will be displayed.") URL url) {
return getContentsOfUrlAsString(url);
}
@CliCommand(value = { "web-save", "ws" }, help = "Saves the contents of a URL.")
public String webSave(@CliOption(key = { "", "url" }, help = "URL whose contents will be saved.") URL url, @CliOption(key = { "out", "file" }, mandatory = true, help = "The name of the file.") String file) {
String contents = getContentsOfUrlAsString(url);
try (PrintWriter out = new PrintWriter(file)) {
out.write(contents);
} catch (FileNotFoundException ex) {
// Ignore
}
return "Done.";
}
private boolean adminEnableExecuted = false;
@CliAvailabilityIndicator(value = { "web-save" })
public boolean isAdminEnabled() {
return adminEnableExecuted;
}
@CliCommand(value = "admin-enable")
public String adminEnable() {
adminEnableExecuted = true;
return "Admin commands enabled.";
}
@CliCommand(value = "admin-disable")
public String adminDisable() {
adminEnableExecuted = false;
return "Admin commands disabled.";
}
}

22
spring-core-2/src/main/java/org/baeldung/shell/simple/SimpleHistoryFileNameProvider.java
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package org.baeldung.shell.simple;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.shell.plugin.support.DefaultHistoryFileNameProvider;
import org.springframework.stereotype.Component;
@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class SimpleHistoryFileNameProvider extends DefaultHistoryFileNameProvider {
@Override
public String getHistoryFileName() {
return "baeldung-shell.log";
}
@Override
public String getProviderName() {
return "Baeldung History";
}
}

21
spring-core-2/src/main/java/org/baeldung/shell/simple/SimplePromptProvider.java
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package org.baeldung.shell.simple;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.shell.plugin.support.DefaultPromptProvider;
import org.springframework.stereotype.Component;
@Component
@Order(Ordered.HIGHEST_PRECEDENCE)
public class SimplePromptProvider extends DefaultPromptProvider {
@Override
public String getPrompt() {
return "baeldung-shell>";
}
@Override
public String getProviderName() {
return "Baeldung Prompt";
}
}

34
spring-core-2/src/main/java/org/baeldung/shell/simple/SimpleURLConverter.java
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package org.baeldung.shell.simple;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;
import org.springframework.shell.core.Completion;
import org.springframework.shell.core.Converter;
import org.springframework.shell.core.MethodTarget;
import org.springframework.stereotype.Component;
@Component
public class SimpleURLConverter implements Converter<URL> {
@Override
public URL convertFromText(String value, Class<?> requiredType, String optionContext) {
try {
return new URL(value);
} catch (MalformedURLException ex) {
// Ignore
}
return null;
}
@Override
public boolean getAllPossibleValues(List<Completion> completions, Class<?> requiredType, String existingData, String optionContext, MethodTarget target) {
return false;
}
@Override
public boolean supports(Class<?> requiredType, String optionContext) {
return URL.class.isAssignableFrom(requiredType);
}
}

12
spring-core-2/src/main/resources/META-INF/spring/spring-shell-plugin.xml
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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.2.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd">
<context:component-scan base-package="org.baeldung.shell.simple" />
</beans>

82
spring-core-2/src/test/java/org/baeldung/shell/simple/SimpleCLIIntegrationTest.java
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package org.baeldung.shell.simple;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.shell.Bootstrap;
import org.springframework.shell.core.CommandResult;
import org.springframework.shell.core.JLineShellComponent;
import java.io.File;
public class SimpleCLIIntegrationTest {
static JLineShellComponent shell;
@BeforeClass
public static void startUp() throws InterruptedException {
final Bootstrap bootstrap = new Bootstrap();
shell = bootstrap.getJLineShellComponent();
}
@AfterClass
public static void shutdown() {
shell.stop();
// delete contents.txt
final File testFile = new File("contents.txt");
if (testFile.exists()) {
testFile.delete();
}
}
public static JLineShellComponent getShell() {
return shell;
}
@Test
public void givenCommandConfig_whenExecutingWebGetCommand_thenCorrectResult() {
final CommandResult resultWebSave = shell.executeCommand("web-get --url https://www.google.com");
Assert.assertTrue(resultWebSave.isSuccess());
}
@Test
public void givenCommandConfig_whenExecutingWebSaveCommand_thenCorrectResult() {
shell.executeCommand("admin-enable");
final CommandResult result = shell.executeCommand("web-save --url https://www.google.com --out contents.txt");
Assert.assertArrayEquals(new boolean[] { result.isSuccess(), new File("contents.txt").exists() }, new boolean[] { true, true });
}
@Test
public void givenCommandConfig_whenAdminEnableCommandExecuted_thenCorrectAvailability() {
final CommandResult resultAdminDisable = shell.executeCommand("admin-disable");
final CommandResult resultWebSaveUnavailable = shell.executeCommand("web-save --url https://www.google.com --out contents.txt");
final CommandResult resultAdminEnable = shell.executeCommand("admin-enable");
final CommandResult resultWebSaveAvailable = shell.executeCommand("web-save --url https://www.google.com --out contents.txt");
Assert.assertArrayEquals(new boolean[] { resultAdminDisable.isSuccess(), resultWebSaveUnavailable.isSuccess(), resultAdminEnable.isSuccess(), resultWebSaveAvailable.isSuccess() }, new boolean[] { true, false, true, true });
}
@Test
public void givenCommandConfig_whenWebSaveCommandExecutedNoOutArgument_thenError() {
shell.executeCommand("admin-enable");
final CommandResult resultWebSave = shell.executeCommand("web-save --url https://www.google.com");
Assert.assertEquals(resultWebSave.isSuccess(), false);
}
@Test
public void givenCommandConfig_whenExecutingWebGetCommandWithDefaultArgument_thenCorrectResult() {
final CommandResult result = shell.executeCommand("web-get https://www.google.com");
Assert.assertEquals(result.isSuccess(), true);
}
}