BAEL-19967: Migrate spring-shell module to the com.baeldung package

2019-12-18 21:35:26 +01:00
parent 4465bb6fa9
commit 8b17262844
8 changed files with 8 additions and 8 deletions
@@ -0,0 +1,10 @@
+package com.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);
+    }
+}
@@ -0,0 +1,34 @@
+package com.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";
+    }
+}
@@ -0,0 +1,70 @@
+package com.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.";
+    }
+}
@@ -0,0 +1,22 @@
+package com.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";
+    }
+
+}
@@ -0,0 +1,21 @@
+package com.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";
+    }
+}
@@ -0,0 +1,34 @@
+package com.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);
+    }
+
+}