22303886886

Committed 23 Feb 2026 11:19AM UTC coverage: 70.647% (+0.2%) from 70.474%

Build # 22303886886

Build Type

Pull #1714

github

Committed by

web-flow

Commit Message

Merge f1f7e1e61 into 379acdc9d

Pull Request Pull Request #1714: #404: #1713: advanced logging

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Branch coverage included in aggregate %.

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cli/src/main/java/com/devonfw/tools/ide/commandlet/ShellCommandlet.java

package com.devonfw.tools.ide.commandlet;

import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Iterator;

import org.fusesource.jansi.AnsiConsole;
import org.jline.reader.Completer;
import org.jline.reader.EndOfFileException;
import org.jline.reader.LineReader;
import org.jline.reader.LineReaderBuilder;
import org.jline.reader.MaskingCallback;
import org.jline.reader.Parser;
import org.jline.reader.UserInterruptException;
import org.jline.reader.impl.DefaultParser;
import org.jline.reader.impl.completer.AggregateCompleter;
import org.jline.reader.impl.completer.StringsCompleter;
import org.jline.terminal.Terminal;
import org.jline.terminal.TerminalBuilder;
import org.jline.widget.AutosuggestionWidgets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.devonfw.tools.ide.cli.CliArgument;
import com.devonfw.tools.ide.cli.CliArguments;
import com.devonfw.tools.ide.cli.CliException;
import com.devonfw.tools.ide.completion.IdeCompleter;
import com.devonfw.tools.ide.context.AbstractIdeContext;
import com.devonfw.tools.ide.context.IdeContext;
import com.devonfw.tools.ide.property.BooleanProperty;
import com.devonfw.tools.ide.property.KeywordProperty;
import com.devonfw.tools.ide.property.Property;

/**
 * {@link Commandlet} for internal interactive shell with build-in auto-completion and help.
 */
public final class ShellCommandlet extends Commandlet {

  private static final Logger LOG = LoggerFactory.getLogger(ShellCommandlet.class);

  private static final int AUTOCOMPLETER_MAX_RESULTS = 50;

  private static final int RC_EXIT = 987654321;

  /**
   * The constructor.
   *
   * @param context the {@link IdeContext}.
   */
  public ShellCommandlet(IdeContext context) {

    super(context);
    addKeyword(getName());
  }

  @Override
  public String getName() {

    return "shell";
  }

  @Override
  public boolean isIdeHomeRequired() {

    return false;
  }

  @Override
  protected void doRun() {

    try {
      Parser parser = new DefaultParser();
      try (Terminal terminal = TerminalBuilder.builder().build()) {
        // initialize our own completer here and add exit as an autocompletion option
        Completer completer = new AggregateCompleter(
            new StringsCompleter("exit"), new IdeCompleter((AbstractIdeContext) this.context));

        LineReader reader = LineReaderBuilder.builder().terminal(terminal).completer(completer).parser(parser)
            .variable(LineReader.LIST_MAX, AUTOCOMPLETER_MAX_RESULTS).build();

        // Create autosuggestion widgets
        AutosuggestionWidgets autosuggestionWidgets = new AutosuggestionWidgets(reader);
        // Enable autosuggestions
        autosuggestionWidgets.enable();

        // TODO: implement TailTipWidgets, see: https://github.com/devonfw/IDEasy/issues/169

        String rightPrompt = null;
        String line;

        AnsiConsole.systemInstall();
        while (true) {
          try {
            String prompt = context.getCwd() + "$ ide ";
            line = reader.readLine(prompt, rightPrompt, (MaskingCallback) null, null);
            line = line.trim();
            if (line.equals("exit")) {
              return;
            }
            reader.getHistory().add(line);
            int rc = runCommand(line);
            if (rc == RC_EXIT) {
              return;
            }
          } catch (UserInterruptException e) {
            // Ignore CTRL+C
            return;
          } catch (EndOfFileException e) {
            // CTRL+D
            return;
          } finally {
            AnsiConsole.systemUninstall();
          }
        }

      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    } catch (CliException e) {
      throw e;
    } catch (Exception e) {
      throw new RuntimeException("Unexpected error during interactive auto-completion", e);
    }
  }

  /**
   * Converts String of arguments to array and runs the command
   *
   * @param args String of arguments
   * @return status code
   */
  private int runCommand(String args) {

    if ("exit".equals(args) || "quit".equals(args)) {
      return RC_EXIT;
    }
    String[] arguments = args.split(" ", 0);
    CliArguments cliArgs = new CliArguments(arguments);
    cliArgs.next();

    if ("cd".equals(arguments[0])) {
      return changeDirectory(cliArgs);
    }

    return ((AbstractIdeContext) this.context).run(cliArgs);
  }

  private int changeDirectory(CliArguments cliArgs) {
    if (!cliArgs.hasNext()) {
      Path homeDir = this.context.getUserHome();
      context.setCwd(homeDir, context.getWorkspaceName(), context.getIdeHome());
      return 0;
    }

    String targetDir = String.valueOf(cliArgs.next());
    Path path = Paths.get(targetDir);

    // If the given path is relative, resolve it relative to the current directory
    if (!path.isAbsolute()) {
      path = context.getCwd().resolve(targetDir).normalize();
    }

    if (context.getFileAccess().isExpectedFolder(path)) {
      context.setCwd(path, context.getWorkspaceName(), context.getIdeHome());
      return 0;
    } else {
      return 1;
    }
  }

  /**
   * @param argument the current {@link CliArgument} (position) to match.
   * @param commandlet the potential {@link Commandlet} to match.
   * @return {@code true} if the given {@link Commandlet} matches to the given {@link CliArgument}(s) and those have been applied (set in the {@link Commandlet}
   *     and {@link Commandlet#validate() validated}), {@code false} otherwise (the {@link Commandlet} did not match and we have to try a different candidate).
   */
  private boolean apply(CliArgument argument, Commandlet commandlet) {

    LOG.trace("Trying to match arguments to commandlet {}", commandlet.getName());
    CliArgument currentArgument = argument;
    Iterator<Property<?>> valueIterator = commandlet.getValues().iterator();
    Property<?> currentProperty = null;
    boolean endOpts = false;
    while (!currentArgument.isEnd()) {
      if (currentArgument.isEndOptions()) {
        endOpts = true;
      } else {
        String arg = currentArgument.get();
        LOG.trace("Trying to match argument '{}'", currentArgument);
        if ((currentProperty != null) && (currentProperty.isExpectValue())) {
          currentProperty.setValueAsString(arg, this.context);
          if (!currentProperty.isMultiValued()) {
            currentProperty = null;
          }
        } else {
          Property<?> property = null;
          if (!endOpts) {
            property = commandlet.getOption(currentArgument.getKey());
          }
          if (property == null) {
            if (!valueIterator.hasNext()) {
              LOG.trace("No option or next value found");
              return false;
            }
            currentProperty = valueIterator.next();
            LOG.trace("Next value candidate is {}", currentProperty);
            if (currentProperty instanceof KeywordProperty keyword) {
              if (keyword.matches(arg)) {
                keyword.setValue(Boolean.TRUE);
                LOG.trace("Keyword matched");
              } else {
                LOG.trace("Missing keyword");
                return false;
              }
            } else {
              boolean success = currentProperty.assignValueAsString(arg, this.context, commandlet);
              if (!success && currentProperty.isRequired()) {
                return false;
              }
            }
            if ((currentProperty != null) && !currentProperty.isMultiValued()) {
              currentProperty = null;
            }
          } else {
            LOG.trace("Found option by name");
            String value = currentArgument.getValue();
            if (value != null) {
              property.setValueAsString(value, this.context);
            } else if (property instanceof BooleanProperty) {
              ((BooleanProperty) property).setValue(Boolean.TRUE);
            } else {
              currentProperty = property;
              if (property.isEndOptions()) {
                endOpts = true;
              }
              throw new UnsupportedOperationException("not implemented");
            }
          }
        }
      }
      currentArgument = currentArgument.getNext(!endOpts);
    }
    return commandlet.validate().isValid();
  }
}

1	package com.devonfw.tools.ide.commandlet;
2
3	import java.io.IOException;
4	import java.nio.file.Path;
5	import java.nio.file.Paths;
6	import java.util.Iterator;
7
8	import org.fusesource.jansi.AnsiConsole;
9	import org.jline.reader.Completer;
10	import org.jline.reader.EndOfFileException;
11	import org.jline.reader.LineReader;
12	import org.jline.reader.LineReaderBuilder;
13	import org.jline.reader.MaskingCallback;
14	import org.jline.reader.Parser;
15	import org.jline.reader.UserInterruptException;
16	import org.jline.reader.impl.DefaultParser;
17	import org.jline.reader.impl.completer.AggregateCompleter;
18	import org.jline.reader.impl.completer.StringsCompleter;
19	import org.jline.terminal.Terminal;
20	import org.jline.terminal.TerminalBuilder;
21	import org.jline.widget.AutosuggestionWidgets;
22	import org.slf4j.Logger;
23	import org.slf4j.LoggerFactory;
24
25	import com.devonfw.tools.ide.cli.CliArgument;
26	import com.devonfw.tools.ide.cli.CliArguments;
27	import com.devonfw.tools.ide.cli.CliException;
28	import com.devonfw.tools.ide.completion.IdeCompleter;
29	import com.devonfw.tools.ide.context.AbstractIdeContext;
30	import com.devonfw.tools.ide.context.IdeContext;
31	import com.devonfw.tools.ide.property.BooleanProperty;
32	import com.devonfw.tools.ide.property.KeywordProperty;
33	import com.devonfw.tools.ide.property.Property;
34
35	/**
36	* {@link Commandlet} for internal interactive shell with build-in auto-completion and help.
37	*/
38	public final class ShellCommandlet extends Commandlet {
39
40	private static final Logger LOG = LoggerFactory.getLogger(ShellCommandlet.class);	4✔
41
42	private static final int AUTOCOMPLETER_MAX_RESULTS = 50;
43
44	private static final int RC_EXIT = 987654321;
45
46	/**
47	* The constructor.
48	*
49	* @param context the {@link IdeContext}.
50	*/
51	public ShellCommandlet(IdeContext context) {
52
53	super(context);	3✔
54	addKeyword(getName());	4✔
55	}	1✔
56
57	@Override
58	public String getName() {
59
60	return "shell";	2✔
61	}
62
63	@Override
64	public boolean isIdeHomeRequired() {
65
66	return false;	2✔
67	}
68
69	@Override
70	protected void doRun() {
71
72	try {
73	Parser parser = new DefaultParser();	×
74	try (Terminal terminal = TerminalBuilder.builder().build()) {	×
75	// initialize our own completer here and add exit as an autocompletion option
76	Completer completer = new AggregateCompleter(	×
77	new StringsCompleter("exit"), new IdeCompleter((AbstractIdeContext) this.context));
78
79	LineReader reader = LineReaderBuilder.builder().terminal(terminal).completer(completer).parser(parser)	×
80	.variable(LineReader.LIST_MAX, AUTOCOMPLETER_MAX_RESULTS).build();	×
81
82	// Create autosuggestion widgets
83	AutosuggestionWidgets autosuggestionWidgets = new AutosuggestionWidgets(reader);	×
84	// Enable autosuggestions
85	autosuggestionWidgets.enable();	×
86
87	// TODO: implement TailTipWidgets, see: https://github.com/devonfw/IDEasy/issues/169
88
89	String rightPrompt = null;	×
90	String line;
91
92	AnsiConsole.systemInstall();	×
93	while (true) {
94	try {
95	String prompt = context.getCwd() + "$ ide ";	×
96	line = reader.readLine(prompt, rightPrompt, (MaskingCallback) null, null);	×
97	line = line.trim();	×
98	if (line.equals("exit")) {	×
99	return;	×
100	}
101	reader.getHistory().add(line);	×
102	int rc = runCommand(line);	×
103	if (rc == RC_EXIT) {	×
104	return;	×
105	}
106	} catch (UserInterruptException e) {	×
107	// Ignore CTRL+C
108	return;	×
109	} catch (EndOfFileException e) {	×
110	// CTRL+D
111	return;	×
112	} finally {
113	AnsiConsole.systemUninstall();	×
114	}	×
115	}
116
117	} catch (IOException e) {	×
118	throw new RuntimeException(e);	×
119	}
120	} catch (CliException e) {	×
121	throw e;	×
122	} catch (Exception e) {	×
123	throw new RuntimeException("Unexpected error during interactive auto-completion", e);	×
124	}
125	}
126
127	/**
128	* Converts String of arguments to array and runs the command
129	*
130	* @param args String of arguments
131	* @return status code
132	*/
133	private int runCommand(String args) {
134
135	if ("exit".equals(args) \|\| "quit".equals(args)) {	×
136	return RC_EXIT;	×
137	}
138	String[] arguments = args.split(" ", 0);	×
139	CliArguments cliArgs = new CliArguments(arguments);	×
140	cliArgs.next();	×
141
142	if ("cd".equals(arguments[0])) {	×
143	return changeDirectory(cliArgs);	×
144	}
145
146	return ((AbstractIdeContext) this.context).run(cliArgs);	×
147	}
148
149	private int changeDirectory(CliArguments cliArgs) {
150	if (!cliArgs.hasNext()) {	×
151	Path homeDir = this.context.getUserHome();	×
152	context.setCwd(homeDir, context.getWorkspaceName(), context.getIdeHome());	×
153	return 0;	×
154	}
155
156	String targetDir = String.valueOf(cliArgs.next());	×
157	Path path = Paths.get(targetDir);	×
158
159	// If the given path is relative, resolve it relative to the current directory
160	if (!path.isAbsolute()) {	×
161	path = context.getCwd().resolve(targetDir).normalize();	×
162	}
163
164	if (context.getFileAccess().isExpectedFolder(path)) {	×
165	context.setCwd(path, context.getWorkspaceName(), context.getIdeHome());	×
166	return 0;	×
167	} else {
168	return 1;	×
169	}
170	}
171
172	/**
173	* @param argument the current {@link CliArgument} (position) to match.
174	* @param commandlet the potential {@link Commandlet} to match.
175	* @return {@code true} if the given {@link Commandlet} matches to the given {@link CliArgument}(s) and those have been applied (set in the {@link Commandlet}
176	* and {@link Commandlet#validate() validated}), {@code false} otherwise (the {@link Commandlet} did not match and we have to try a different candidate).
177	*/
178	private boolean apply(CliArgument argument, Commandlet commandlet) {
179
180	LOG.trace("Trying to match arguments to commandlet {}", commandlet.getName());	×
181	CliArgument currentArgument = argument;	×
182	Iterator<Property<?>> valueIterator = commandlet.getValues().iterator();	×
183	Property<?> currentProperty = null;	×
184	boolean endOpts = false;	×
185	while (!currentArgument.isEnd()) {	×
186	if (currentArgument.isEndOptions()) {	×
187	endOpts = true;	×
188	} else {
189	String arg = currentArgument.get();	×
190	LOG.trace("Trying to match argument '{}'", currentArgument);	×
191	if ((currentProperty != null) && (currentProperty.isExpectValue())) {	×
192	currentProperty.setValueAsString(arg, this.context);	×
193	if (!currentProperty.isMultiValued()) {	×
194	currentProperty = null;	×
195	}
196	} else {
197	Property<?> property = null;	×
198	if (!endOpts) {	×
199	property = commandlet.getOption(currentArgument.getKey());	×
200	}
201	if (property == null) {	×
202	if (!valueIterator.hasNext()) {	×
203	LOG.trace("No option or next value found");	×
204	return false;	×
205	}
206	currentProperty = valueIterator.next();	×
207	LOG.trace("Next value candidate is {}", currentProperty);	×
208	if (currentProperty instanceof KeywordProperty keyword) {	×
209	if (keyword.matches(arg)) {	×
210	keyword.setValue(Boolean.TRUE);	×
211	LOG.trace("Keyword matched");	×
212	} else {
213	LOG.trace("Missing keyword");	×
214	return false;	×
215	}
216	} else {
217	boolean success = currentProperty.assignValueAsString(arg, this.context, commandlet);	×
218	if (!success && currentProperty.isRequired()) {	×
219	return false;	×
220	}
221	}
222	if ((currentProperty != null) && !currentProperty.isMultiValued()) {	×
223	currentProperty = null;	×
224	}
225	} else {
226	LOG.trace("Found option by name");	×
227	String value = currentArgument.getValue();	×
228	if (value != null) {	×
229	property.setValueAsString(value, this.context);	×
230	} else if (property instanceof BooleanProperty) {	×
231	((BooleanProperty) property).setValue(Boolean.TRUE);	×
232	} else {
233	currentProperty = property;	×
234	if (property.isEndOptions()) {	×
235	endOpts = true;	×
236	}
237	throw new UnsupportedOperationException("not implemented");	×
238	}
239	}
240	}
241	}
242	currentArgument = currentArgument.getNext(!endOpts);	×
243	}
244	return commandlet.validate().isValid();	×
245	}
246	}

devonfw / IDEasy / 22303886886

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