#531: prevent logging for processable commandlets

cli/src/main/java/com/devonfw/tools/ide/context/AbstractIdeContext.java

@@ -12,8 +12,6 @@
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
-import java.util.Objects;
-import java.util.function.Function;
 
 import com.devonfw.tools.ide.cli.CliAbortException;
 import com.devonfw.tools.ide.cli.CliArgument;
@@ -34,8 +32,9 @@
 import com.devonfw.tools.ide.io.FileAccess;
 import com.devonfw.tools.ide.io.FileAccessImpl;
 import com.devonfw.tools.ide.log.IdeLogLevel;
+import com.devonfw.tools.ide.log.IdeLogger;
+import com.devonfw.tools.ide.log.IdeLoggerImpl;
 import com.devonfw.tools.ide.log.IdeSubLogger;
-import com.devonfw.tools.ide.log.IdeSubLoggerNone;
 import com.devonfw.tools.ide.merge.DirectoryMerger;
 import com.devonfw.tools.ide.network.ProxyContext;
 import com.devonfw.tools.ide.os.SystemInfo;
@@ -60,7 +59,7 @@ public abstract class AbstractIdeContext implements IdeContext {
 
   private static final String IDE_URLS_GIT = "https://github.com/devonfw/ide-urls.git";
 
-  private final Map<IdeLogLevel, IdeSubLogger> loggers;
+  private final IdeLoggerImpl logger;
 
   private Path ideHome;
 
@@ -116,8 +115,6 @@ public abstract class AbstractIdeContext implements IdeContext {
 
   private DirectoryMerger workspaceMerger;
 
-  private final Function<IdeLogLevel, IdeSubLogger> loggerFactory;
-
   private boolean offlineMode;
 
   private boolean forceMode;
@@ -137,18 +134,15 @@ public abstract class AbstractIdeContext implements IdeContext {
   /**
    * The constructor.
    *
-   * @param minLogLevel the minimum {@link IdeLogLevel} to enable. Should be {@link IdeLogLevel#INFO} by default.
-   * @param factory the {@link Function} to create {@link IdeSubLogger} per {@link IdeLogLevel}.
+   * @param logger the {@link IdeLogger}.
    * @param userDir the optional {@link Path} to current working directory.
    * @param toolRepository @param toolRepository the {@link ToolRepository} of the context. If it is set to {@code null} {@link DefaultToolRepository} will
    *     be used.
    */
-  public AbstractIdeContext(IdeLogLevel minLogLevel, Function<IdeLogLevel, IdeSubLogger> factory, Path userDir, ToolRepository toolRepository) {
+  public AbstractIdeContext(IdeLoggerImpl logger, Path userDir, ToolRepository toolRepository) {
 
     super();
-    this.loggerFactory = factory;
-    this.loggers = new HashMap<>();
-    setLogLevel(minLogLevel);
+    this.logger = logger;
     this.systemInfo = SystemInfoImpl.INSTANCE;
     this.commandletManager = new CommandletManagerImpl(this);
     this.fileAccess = new FileAccessImpl(this);
@@ -309,14 +303,6 @@ public String getMessageIdeHome() {
    */
   public boolean isTest() {
 
-    return isMock();
-  }
-
-  /**
-   * @return {@code true} if this is a mock context for JUnits, {@code false} otherwise.
-   */
-  public boolean isMock() {
-
     return false;
   }
 
@@ -708,9 +694,7 @@ protected ProcessContext createProcessContext() {
   @Override
   public IdeSubLogger level(IdeLogLevel level) {
 
-    IdeSubLogger logger = this.loggers.get(level);
-    Objects.requireNonNull(logger);
-    return logger;
+    return this.logger.level(level);
   }
 
   @Override
@@ -793,24 +777,6 @@ private static <O> void addMapping(Map<String, O> mapping, String key, O option)
     }
   }
 
-  /**
-   * Sets the log level.
-   *
-   * @param logLevel {@link IdeLogLevel}
-   */
-  public void setLogLevel(IdeLogLevel logLevel) {
-
-    for (IdeLogLevel level : IdeLogLevel.values()) {
-      IdeSubLogger logger;
-      if (level.ordinal() < logLevel.ordinal()) {
-        logger = new IdeSubLoggerNone(level);
-      } else {
-        logger = this.loggerFactory.apply(level);
-      }
-      this.loggers.put(level, logger);
-    }
-  }
-
   @Override
   public Step getCurrentStep() {
 
@@ -918,7 +884,13 @@ private boolean applyAndRun(CliArguments arguments, Commandlet cmd) {
       } else if (cmd.isIdeRootRequired() && (this.ideRoot == null)) {
         throw new CliException(getMessageIdeRootNotFound(), ProcessResult.NO_IDE_ROOT);
       }
-      if (!cmd.isProcessableOutput()) {
+      if (cmd.isProcessableOutput()) {
+        for (IdeLogLevel level : IdeLogLevel.values()) {
+          if (level != IdeLogLevel.INFO) {
+            this.logger.setLogLevel(level, false);
+          }
+        }
+      } else {
         if (cmd.isIdeHomeRequired()) {
           debug(getMessageIdeHomeFound());
         }

cli/src/main/java/com/devonfw/tools/ide/context/IdeContextConsole.java

@@ -5,6 +5,7 @@
 import com.devonfw.tools.ide.io.IdeProgressBar;
 import com.devonfw.tools.ide.io.IdeProgressBarConsole;
 import com.devonfw.tools.ide.log.IdeLogLevel;
+import com.devonfw.tools.ide.log.IdeLoggerImpl;
 import com.devonfw.tools.ide.log.IdeSubLoggerOut;
 
 import me.tongfei.progressbar.ProgressBarBuilder;
@@ -26,7 +27,7 @@ public class IdeContextConsole extends AbstractIdeContext {
    */
   public IdeContextConsole(IdeLogLevel minLogLevel, Appendable out, boolean colored) {
 
-    super(minLogLevel, level -> new IdeSubLoggerOut(level, out, colored, minLogLevel), null, null);
+    super(new IdeLoggerImpl(minLogLevel, level -> new IdeSubLoggerOut(level, out, colored, minLogLevel)), null, null);
     if (System.console() == null) {
       debug("System console not available - using System.in as fallback");
       this.scanner = new Scanner(System.in);

cli/src/main/java/com/devonfw/tools/ide/log/IdeLoggerImpl.java

@@ -0,0 +1,63 @@
+package com.devonfw.tools.ide.log;
+
+import java.util.Objects;
+import java.util.function.Function;
+
+/**
+ * Implementation of {@link IdeLogger}.
+ */
+public class IdeLoggerImpl implements IdeLogger {
+
+  private final Function<IdeLogLevel, IdeSubLogger> loggerFactory;
+
+  private final IdeSubLogger[] loggers;
+
+  /**
+   * @param minLogLevel the minimum enabled {@link IdeLogLevel}.
+   * @param factory the factory to create active {@link IdeSubLogger} instances.
+   */
+  public IdeLoggerImpl(IdeLogLevel minLogLevel, Function<IdeLogLevel, IdeSubLogger> factory) {
+
+    super();
+    this.loggerFactory = factory;
+    this.loggers = new IdeSubLogger[IdeLogLevel.values().length];
+    setLogLevel(minLogLevel);
+  }
+
+  @Override
+  public IdeSubLogger level(IdeLogLevel level) {
+
+    IdeSubLogger logger = this.loggers[level.ordinal()];
+    Objects.requireNonNull(logger);
+    return logger;
+  }
+
+  /**
+   * Sets the log level.
+   *
+   * @param logLevel {@link IdeLogLevel}
+   */
+  public void setLogLevel(IdeLogLevel logLevel) {
+
+    for (IdeLogLevel level : IdeLogLevel.values()) {
+      boolean enabled = level.ordinal() >= logLevel.ordinal();
+      setLogLevel(level, enabled);
+    }
+  }
+
+  /**
+   * @param logLevel the {@link IdeLogLevel} to modify.
+   * @param enabled - {@code true} to enable, {@code false} to disable.
+   */
+  public void setLogLevel(IdeLogLevel logLevel, boolean enabled) {
+
+    IdeSubLogger logger;
+    if (enabled) {
+      logger = this.loggerFactory.apply(logLevel);
+    } else {
+      logger = IdeSubLoggerNone.of(logLevel);
+    }
+    this.loggers[logLevel.ordinal()] = logger;
+  }
+
+}

cli/src/main/java/com/devonfw/tools/ide/log/IdeSubLoggerNone.java

@@ -5,12 +5,22 @@
  */
 public final class IdeSubLoggerNone extends AbstractIdeSubLogger {
 
+  private static final IdeSubLoggerNone[] LOGGERS;
+
+  static {
+    IdeLogLevel[] levels = IdeLogLevel.values();
+    LOGGERS = new IdeSubLoggerNone[levels.length];
+    for (int i = 0; i < levels.length; i++) {
+      LOGGERS[i] = new IdeSubLoggerNone(levels[i]);
+    }
+  }
+
   /**
    * The constructor.
    *
    * @param level the {@link #getLevel() log-level}.
    */
-  public IdeSubLoggerNone(IdeLogLevel level) {
+  private IdeSubLoggerNone(IdeLogLevel level) {
 
     super(level);
   }
@@ -27,4 +37,13 @@ public boolean isEnabled() {
     return false;
   }
 
+  /**
+   * @param level the {@link IdeLogLevel}.
+   * @return the {@link IdeSubLoggerNone} instance.
+   */
+  public static IdeSubLoggerNone of(IdeLogLevel level) {
+
+    return LOGGERS[level.ordinal()];
+  }
+
 }

cli/src/test/java/com/devonfw/tools/ide/completion/IdeCompleterTest.java

@@ -128,6 +128,6 @@ private IdeCompleter newCompleter() {
 
   private IdeTestContext newTestContext() {
 
-    return new IdeTestContext(Path.of(""), "");
+    return new IdeTestContext(Path.of(""));
   }
 }

cli/src/test/java/com/devonfw/tools/ide/context/AbstractIdeContextTest.java

@@ -34,8 +34,8 @@ public abstract class AbstractIdeContextTest extends Assertions {
   private static final int CHUNK_SIZE = 1024;
 
   /**
-   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}. E.g.
-   * "basic".
+   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}.
+   *     E.g. "basic".
    * @return the {@link IdeTestContext} pointing to that project.
    */
   protected IdeTestContext newContext(String testProject) {
@@ -44,8 +44,8 @@ protected IdeTestContext newContext(String testProject) {
   }
 
   /**
-   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}. E.g.
-   * "basic".
+   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}.
+   *     E.g. "basic".
    * @param projectPath the relative path inside the test project where to create the context.
    * @return the {@link IdeTestContext} pointing to that project.
    */
@@ -55,11 +55,11 @@ protected static IdeTestContext newContext(String testProject, String projectPat
   }
 
   /**
-   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}. E.g.
-   * "basic".
+   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}.
+   *     E.g. "basic".
    * @param projectPath the relative path inside the test project where to create the context.
-   * @param copyForMutation - {@code true} to create a copy of the project that can be modified by the test, {@code false} otherwise (only to save resources if
-   * you are 100% sure that your test never modifies anything in that project.)
+   * @param copyForMutation - {@code true} to create a copy of the project that can be modified by the test, {@code false} otherwise (only to save resources
+   *     if you are 100% sure that your test never modifies anything in that project.)
    * @return the {@link IdeTestContext} pointing to that project.
    */
   protected static IdeTestContext newContext(String testProject, String projectPath, boolean copyForMutation) {
@@ -68,11 +68,11 @@ protected static IdeTestContext newContext(String testProject, String projectPat
   }
 
   /**
-   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}. E.g.
-   * "basic".
+   * @param testProject the (folder)name of the project test case, in this folder a 'project' folder represents the test project in {@link #TEST_PROJECTS}.
+   *     E.g. "basic".
    * @param projectPath the relative path inside the test project where to create the context.
-   * @param copyForMutation - {@code true} to create a copy of the project that can be modified by the test, {@code false} otherwise (only to save resources if
-   * you are 100% sure that your test never modifies anything in that project.)
+   * @param copyForMutation - {@code true} to create a copy of the project that can be modified by the test, {@code false} otherwise (only to save resources
+   *     if you are 100% sure that your test never modifies anything in that project.)
    * @param logLevel the {@link IdeLogLevel} used as threshold for logging.
    * @return the {@link IdeTestContext} pointing to that project.
    */
@@ -112,24 +112,6 @@ protected static IdeTestContext newContext(Path projectPath) {
     return new IdeTestContext(projectPath);
   }
 
-  /**
-   * @param projectPath the relative path inside the test project where to create the context.
-   * @param errors list of error messages.
-   * @param outs list of out messages.
-   * @param exitCode the exit code.
-   * @param isOnline boolean if it should be run in online mode.
-   * @return the {@link GitContextTestContext} pointing to that project.
-   */
-  protected static GitContextTestContext newGitContext(Path projectPath, List<String> errors, List<String> outs, int exitCode, boolean isOnline) {
-
-    GitContextTestContext context;
-    context = new GitContextTestContext(isOnline, projectPath);
-    context.setErrors(errors);
-    context.setOuts(outs);
-    context.setExitCode(exitCode);
-    return context;
-  }
-
   protected static IdeTestContextAssertion assertThat(IdeTestContext context) {
 
     return new IdeTestContextAssertion(context);