22317391561

Committed 23 Feb 2026 05:30PM UTC coverage: 70.257% (-0.2%) from 70.474%

Build # 22317391561

Build Type

Pull #1714

github

Committed by

web-flow

Commit Message

Merge 5be048514 into 379acdc9d

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

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cli/src/main/java/com/devonfw/tools/ide/process/ProcessContextImpl.java

package com.devonfw.tools.ide.process;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.lang.ProcessBuilder.Redirect;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.function.Predicate;
import java.util.stream.Collectors;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.devonfw.tools.ide.cli.CliProcessException;
import com.devonfw.tools.ide.common.SystemPath;
import com.devonfw.tools.ide.context.IdeContext;
import com.devonfw.tools.ide.environment.VariableLine;
import com.devonfw.tools.ide.log.IdeLogLevel;
import com.devonfw.tools.ide.os.SystemInfoImpl;
import com.devonfw.tools.ide.os.WindowsPathSyntax;
import com.devonfw.tools.ide.util.FilenameUtil;
import com.devonfw.tools.ide.variable.IdeVariables;

/**
 * Implementation of {@link ProcessContext}.
 */
public class ProcessContextImpl implements ProcessContext {

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

  private static final String PREFIX_USR_BIN_ENV = "/usr/bin/env ";
  private static final Predicate<Integer> EXIT_CODE_ACCEPTOR = rc -> rc == ProcessResult.SUCCESS;

  /** The owning {@link IdeContext}. */
  protected final IdeContext context;

  private final ProcessBuilder processBuilder;

  protected final List<String> arguments;

  protected Path executable;

  private String overriddenPath;

  private final List<Path> extraPathEntries;

  private ProcessErrorHandling errorHandling;

  private OutputListener outputListener;

  private Predicate<Integer> exitCodeAcceptor;

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

    super();
    this.context = context;
    this.processBuilder = new ProcessBuilder();
    this.errorHandling = ProcessErrorHandling.THROW_ERR;
    Map<String, String> environment = this.processBuilder.environment();
    for (VariableLine var : this.context.getVariables().collectExportedVariables()) {
      if (var.isExport()) {
        environment.put(var.getName(), var.getValue());
      }
    }
    this.arguments = new ArrayList<>();
    this.extraPathEntries = new ArrayList<>();
    this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;
  }

  private ProcessContextImpl(ProcessContextImpl parent) {

    super();
    this.context = parent.context;
    this.processBuilder = parent.processBuilder;
    this.errorHandling = ProcessErrorHandling.THROW_ERR;
    this.arguments = new ArrayList<>();
    this.extraPathEntries = parent.extraPathEntries;
    this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;
  }

  @Override
  public ProcessContext errorHandling(ProcessErrorHandling handling) {

    Objects.requireNonNull(handling);
    this.errorHandling = handling;
    return this;
  }

  @Override
  public ProcessContext directory(Path directory) {

    if (directory != null) {
      this.processBuilder.directory(directory.toFile());
    } else {
      LOG.debug(
          "Could not set the process builder's working directory! Directory of the current java process is used.");
    }

    return this;
  }

  @Override
  public ProcessContext executable(Path command) {

    if (!this.arguments.isEmpty()) {
      throw new IllegalStateException("Arguments already present - did you forget to call run for previous call?");
    }

    this.executable = command;
    return this;
  }

  @Override
  public ProcessContext addArg(String arg) {

    this.arguments.add(arg);
    return this;
  }

  @Override
  public ProcessContext withEnvVar(String key, String value) {

    if (IdeVariables.PATH.getName().equals(key)) {
      this.overriddenPath = value;
    } else {
      LOG.trace("Setting process environment variable {}={}", key, value);
      this.processBuilder.environment().put(key, value);
    }
    return this;
  }

  @Override
  public ProcessContext withPathEntry(Path path) {

    this.extraPathEntries.add(path);
    return this;
  }

  @Override
  public ProcessContext withExitCodeAcceptor(Predicate<Integer> exitCodeAcceptor) {

    this.exitCodeAcceptor = exitCodeAcceptor;
    return this;
  }

  @Override
  public ProcessContext createChild() {

    return new ProcessContextImpl(this);
  }

  @Override
  public void setOutputListener(OutputListener listener) {
    this.outputListener = listener;
  }

  @Override
  public ProcessResult run(ProcessMode processMode) {

    if (this.executable == null) {
      throw new IllegalStateException("Missing executable to run process!");
    }

    SystemPath systemPath = this.context.getPath();
    if ((this.overriddenPath != null) || !this.extraPathEntries.isEmpty()) {
      systemPath = systemPath.withPath(this.overriddenPath, this.extraPathEntries);
    }
    String path = systemPath.toString();
    LOG.trace("Setting PATH for process execution of {} to {}", this.executable.getFileName(), path);
    this.executable = systemPath.findBinary(this.executable);
    this.processBuilder.environment().put(IdeVariables.PATH.getName(), path);
    List<String> args = new ArrayList<>(this.arguments.size() + 4);
    String interpreter = addExecutable(args);
    args.addAll(this.arguments);
    String command = createCommand();
    if (LOG.isDebugEnabled()) {
      String message = createCommandMessage(interpreter, " ...");
      LOG.debug(message);
    }

    try {
      applyRedirects(processMode);
      if (processMode.isBackground()) {
        modifyArgumentsOnBackgroundProcess(processMode);
      }

      this.processBuilder.command(args);

      ConcurrentLinkedQueue<OutputMessage> output = new ConcurrentLinkedQueue<>();

      Process process = this.processBuilder.start();

      try {
        if (Redirect.PIPE == processMode.getRedirectOutput() || Redirect.PIPE == processMode.getRedirectError()) {
          CompletableFuture<Void> outFut = readInputStream(process.getInputStream(), false, output);
          CompletableFuture<Void> errFut = readInputStream(process.getErrorStream(), true, output);
          if (Redirect.PIPE == processMode.getRedirectOutput()) {
            outFut.get();
            if (this.outputListener != null) {
              for (OutputMessage msg : output) {
                this.outputListener.onOutput(msg.message(), msg.error());
              }
            }
          }

          if (Redirect.PIPE == processMode.getRedirectError()) {
            errFut.get();
            if (this.outputListener != null) {
              for (OutputMessage msg : output) {
                this.outputListener.onOutput(msg.message(), msg.error());
              }
            }
          }
        }

        int exitCode;

        if (processMode.isBackground()) {
          exitCode = ProcessResult.SUCCESS;
        } else {
          exitCode = process.waitFor();
        }

        List<OutputMessage> finalOutput = new ArrayList<>(output);
        boolean success = this.exitCodeAcceptor.test(exitCode);
        ProcessResult result = new ProcessResultImpl(this.executable.getFileName().toString(), command, exitCode, success, finalOutput);

        performLogging(result, exitCode, interpreter);

        return result;
      } finally {
        if (!processMode.isBackground()) {
          process.destroy();
        }
      }
    } catch (CliProcessException | IllegalStateException e) {
      // these exceptions are thrown from performLogOnError and we do not want to wrap them (see #593)
      throw e;
    } catch (Exception e) {
      String msg = e.getMessage();
      if ((msg == null) || msg.isEmpty()) {
        msg = e.getClass().getSimpleName();
      }
      throw new IllegalStateException(createCommandMessage(interpreter, " failed: " + msg), e);
    } finally {
      this.arguments.clear();
    }
  }

  /**
   * Asynchronously and parallel reads {@link InputStream input stream} and stores it in {@link CompletableFuture}. Inspired by: <a href=
   * "https://stackoverflow.com/questions/14165517/processbuilder-forwarding-stdout-and-stderr-of-started-processes-without-blocki/57483714#57483714">StackOverflow</a>
   *
   * @param is {@link InputStream}.
   * @param errorStream to identify if the output came from stdout or stderr
   * @return {@link CompletableFuture}.
   */
  private static CompletableFuture<Void> readInputStream(InputStream is, boolean errorStream, ConcurrentLinkedQueue<OutputMessage> outputMessages) {

    return CompletableFuture.supplyAsync(() -> {

      try (InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr)) {

        String line;
        while ((line = br.readLine()) != null) {
          OutputMessage outputMessage = new OutputMessage(errorStream, line);
          outputMessages.add(outputMessage);
        }

        return null;
      } catch (Throwable e) {
        throw new RuntimeException("There was a problem while executing the program", e);
      }
    });
  }

  private String createCommand() {
    String cmd = this.executable.toString();
    StringBuilder sb = new StringBuilder(cmd.length() + this.arguments.size() * 4);
    sb.append(cmd);
    for (String arg : this.arguments) {
      sb.append(' ');
      sb.append(arg);
    }
    return sb.toString();
  }

  private String createCommandMessage(String interpreter, String suffix) {

    StringBuilder sb = new StringBuilder();
    sb.append("Running command '");
    sb.append(this.executable);
    sb.append("'");
    if (interpreter != null) {
      sb.append(" using ");
      sb.append(interpreter);
    }
    int size = this.arguments.size();
    if (size > 0) {
      sb.append(" with arguments");
      for (int i = 0; i < size; i++) {
        String arg = this.arguments.get(i);
        sb.append(" '");
        sb.append(arg);
        sb.append("'");
      }
    }
    sb.append(suffix);
    return sb.toString();
  }

  private String getSheBang(Path file) {

    try (InputStream in = Files.newInputStream(file)) {
      // "#!/usr/bin/env bash".length() = 19
      byte[] buffer = new byte[32];
      int read = in.read(buffer);
      if ((read > 2) && (buffer[0] == '#') && (buffer[1] == '!')) {
        int start = 2;
        int end = 2;
        while (end < read) {
          byte c = buffer[end];
          if ((c == '\n') || (c == '\r') || (c > 127)) {
            break;
          } else if ((end == start) && (c == ' ')) {
            start++;
          }
          end++;
        }
        String sheBang = new String(buffer, start, end - start, StandardCharsets.US_ASCII).trim();
        if (sheBang.startsWith(PREFIX_USR_BIN_ENV)) {
          sheBang = sheBang.substring(PREFIX_USR_BIN_ENV.length());
        }
        return sheBang;
      }
    } catch (IOException e) {
      // ignore...
    }
    return null;
  }

  private String addExecutable(List<String> args) {

    String interpreter = null;
    String fileExtension = FilenameUtil.getExtension(this.executable.getFileName().toString());
    boolean isBashScript = "sh".equals(fileExtension);
    this.context.getFileAccess().makeExecutable(this.executable, true);
    if (!isBashScript) {
      String sheBang = getSheBang(this.executable);
      if (sheBang != null) {
        String cmd = sheBang;
        int lastSlash = cmd.lastIndexOf('/');
        if (lastSlash >= 0) {
          cmd = cmd.substring(lastSlash + 1);
        }
        if (cmd.equals("bash")) {
          isBashScript = true;
        } else {
          // currently we do not support other interpreters...
        }
      }
    }
    if (isBashScript) {
      interpreter = "bash";
      args.add(this.context.findBashRequired().toString());
    }
    if ("msi".equalsIgnoreCase(fileExtension)) {
      args.addFirst("/i");
      args.addFirst("msiexec");
    }
    args.add(this.executable.toString());
    return interpreter;
  }

  private void performLogging(ProcessResult result, int exitCode, String interpreter) {

    if (!result.isSuccessful() && (this.errorHandling != ProcessErrorHandling.NONE)) {
      IdeLogLevel ideLogLevel = this.errorHandling.getLogLevel();
      String message = createCommandMessage(interpreter, "\nfailed with exit code " + exitCode + "!");

      LOG.atLevel(ideLogLevel.getSlf4jLevel()).log(message);
      result.log(ideLogLevel);

      if (this.errorHandling == ProcessErrorHandling.THROW_CLI) {
        throw new CliProcessException(message, result);
      } else if (this.errorHandling == ProcessErrorHandling.THROW_ERR) {
        throw new IllegalStateException(message);
      }
    }
  }

  private void modifyArgumentsOnBackgroundProcess(ProcessMode processMode) {

    assert processMode.isBackground() : "Cannot handle non background process mode!";

    Path bash = this.context.findBash();
    if (bash == null) {
      LOG.warn("Cannot start background process via bash because no bash installation was found. Hence, output will be discarded.");
      this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);
      return;
    }

    String commandToRunInBackground = buildCommandToRunInBackground();

    this.arguments.clear();
    this.arguments.add(bash.toString());
    this.arguments.add("-c");
    commandToRunInBackground += " & disown";
    this.arguments.add(commandToRunInBackground);

  }

  private void applyRedirects(ProcessMode processMode) {

    Redirect output = processMode.getRedirectOutput();
    Redirect error = processMode.getRedirectError();
    Redirect input = processMode.getRedirectInput();

    if (output != null) {
      this.processBuilder.redirectOutput(output);
    }
    if (error != null) {
      this.processBuilder.redirectError(error);
    }
    if (input != null) {
      this.processBuilder.redirectInput(input);
    }
  }

  private String buildCommandToRunInBackground() {

    if (this.context.getSystemInfo().isWindows()) {

      StringBuilder stringBuilder = new StringBuilder();

      for (String argument : this.arguments) {

        if (SystemInfoImpl.INSTANCE.isWindows() && SystemPath.isValidWindowsPath(argument)) {
          argument = WindowsPathSyntax.MSYS.normalize(argument);
        }

        stringBuilder.append(argument);
        stringBuilder.append(" ");
      }
      return stringBuilder.toString().trim();
    } else {
      return this.arguments.stream().map(Object::toString).collect(Collectors.joining(" "));
    }
  }
}

1	package com.devonfw.tools.ide.process;
2
3	import java.io.BufferedReader;
4	import java.io.IOException;
5	import java.io.InputStream;
6	import java.io.InputStreamReader;
7	import java.lang.ProcessBuilder.Redirect;
8	import java.nio.charset.StandardCharsets;
9	import java.nio.file.Files;
10	import java.nio.file.Path;
11	import java.util.ArrayList;
12	import java.util.List;
13	import java.util.Map;
14	import java.util.Objects;
15	import java.util.concurrent.CompletableFuture;
16	import java.util.concurrent.ConcurrentLinkedQueue;
17	import java.util.function.Predicate;
18	import java.util.stream.Collectors;
19
20	import org.slf4j.Logger;
21	import org.slf4j.LoggerFactory;
22
23	import com.devonfw.tools.ide.cli.CliProcessException;
24	import com.devonfw.tools.ide.common.SystemPath;
25	import com.devonfw.tools.ide.context.IdeContext;
26	import com.devonfw.tools.ide.environment.VariableLine;
27	import com.devonfw.tools.ide.log.IdeLogLevel;
28	import com.devonfw.tools.ide.os.SystemInfoImpl;
29	import com.devonfw.tools.ide.os.WindowsPathSyntax;
30	import com.devonfw.tools.ide.util.FilenameUtil;
31	import com.devonfw.tools.ide.variable.IdeVariables;
32
33	/**
34	* Implementation of {@link ProcessContext}.
35	*/
36	public class ProcessContextImpl implements ProcessContext {
37
38	private static final Logger LOG = LoggerFactory.getLogger(ProcessContextImpl.class);	3✔
39
40	private static final String PREFIX_USR_BIN_ENV = "/usr/bin/env ";
41	private static final Predicate<Integer> EXIT_CODE_ACCEPTOR = rc -> rc == ProcessResult.SUCCESS;	10✔
42
43	/** The owning {@link IdeContext}. */
44	protected final IdeContext context;
45
46	private final ProcessBuilder processBuilder;
47
48	protected final List<String> arguments;
49
50	protected Path executable;
51
52	private String overriddenPath;
53
54	private final List<Path> extraPathEntries;
55
56	private ProcessErrorHandling errorHandling;
57
58	private OutputListener outputListener;
59
60	private Predicate<Integer> exitCodeAcceptor;
61
62	/**
63	* The constructor.
64	*
65	* @param context the owning {@link IdeContext}.
66	*/
67	public ProcessContextImpl(IdeContext context) {
68
69	super();	2✔
70	this.context = context;	3✔
71	this.processBuilder = new ProcessBuilder();	7✔
72	this.errorHandling = ProcessErrorHandling.THROW_ERR;	3✔
73	Map<String, String> environment = this.processBuilder.environment();	4✔
74	for (VariableLine var : this.context.getVariables().collectExportedVariables()) {	13✔
75	if (var.isExport()) {	3!
76	environment.put(var.getName(), var.getValue());	7✔
77	}
78	}	1✔
79	this.arguments = new ArrayList<>();	5✔
80	this.extraPathEntries = new ArrayList<>();	5✔
81	this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;	3✔
82	}	1✔
83
84	private ProcessContextImpl(ProcessContextImpl parent) {
85
86	super();	×
87	this.context = parent.context;	×
88	this.processBuilder = parent.processBuilder;	×
89	this.errorHandling = ProcessErrorHandling.THROW_ERR;	×
90	this.arguments = new ArrayList<>();	×
91	this.extraPathEntries = parent.extraPathEntries;	×
92	this.exitCodeAcceptor = EXIT_CODE_ACCEPTOR;	×
93	}	×
94
95	@Override
96	public ProcessContext errorHandling(ProcessErrorHandling handling) {
97
98	Objects.requireNonNull(handling);	3✔
99	this.errorHandling = handling;	3✔
100	return this;	2✔
101	}
102
103	@Override
104	public ProcessContext directory(Path directory) {
105
106	if (directory != null) {	2!
107	this.processBuilder.directory(directory.toFile());	7✔
108	} else {
109	LOG.debug(	×
110	"Could not set the process builder's working directory! Directory of the current java process is used.");
111	}
112
113	return this;	2✔
114	}
115
116	@Override
117	public ProcessContext executable(Path command) {
118
119	if (!this.arguments.isEmpty()) {	4!
120	throw new IllegalStateException("Arguments already present - did you forget to call run for previous call?");	×
121	}
122
123	this.executable = command;	3✔
124	return this;	2✔
125	}
126
127	@Override
128	public ProcessContext addArg(String arg) {
129
130	this.arguments.add(arg);	5✔
131	return this;	2✔
132	}
133
134	@Override
135	public ProcessContext withEnvVar(String key, String value) {
136
137	if (IdeVariables.PATH.getName().equals(key)) {	5!
138	this.overriddenPath = value;	×
139	} else {
140	LOG.trace("Setting process environment variable {}={}", key, value);	5✔
141	this.processBuilder.environment().put(key, value);	7✔
142	}
143	return this;	2✔
144	}
145
146	@Override
147	public ProcessContext withPathEntry(Path path) {
148
149	this.extraPathEntries.add(path);	5✔
150	return this;	2✔
151	}
152
153	@Override
154	public ProcessContext withExitCodeAcceptor(Predicate<Integer> exitCodeAcceptor) {
155
156	this.exitCodeAcceptor = exitCodeAcceptor;	3✔
157	return this;	2✔
158	}
159
160	@Override
161	public ProcessContext createChild() {
162
163	return new ProcessContextImpl(this);	×
164	}
165
166	@Override
167	public void setOutputListener(OutputListener listener) {
168	this.outputListener = listener;	3✔
169	}	1✔
170
171	@Override
172	public ProcessResult run(ProcessMode processMode) {
173
174	if (this.executable == null) {	3✔
175	throw new IllegalStateException("Missing executable to run process!");	5✔
176	}
177
178	SystemPath systemPath = this.context.getPath();	4✔
179	if ((this.overriddenPath != null) \|\| !this.extraPathEntries.isEmpty()) {	7!
180	systemPath = systemPath.withPath(this.overriddenPath, this.extraPathEntries);	7✔
181	}
182	String path = systemPath.toString();	3✔
183	LOG.trace("Setting PATH for process execution of {} to {}", this.executable.getFileName(), path);	7✔
184	this.executable = systemPath.findBinary(this.executable);	6✔
185	this.processBuilder.environment().put(IdeVariables.PATH.getName(), path);	8✔
186	List<String> args = new ArrayList<>(this.arguments.size() + 4);	9✔
187	String interpreter = addExecutable(args);	4✔
188	args.addAll(this.arguments);	5✔
189	String command = createCommand();	3✔
190	if (LOG.isDebugEnabled()) {	3!
191	String message = createCommandMessage(interpreter, " ...");	5✔
192	LOG.debug(message);	3✔
193	}
194
195	try {
196	applyRedirects(processMode);	3✔
197	if (processMode.isBackground()) {	3✔
198	modifyArgumentsOnBackgroundProcess(processMode);	3✔
199	}
200
201	this.processBuilder.command(args);	5✔
202
203	ConcurrentLinkedQueue<OutputMessage> output = new ConcurrentLinkedQueue<>();	4✔
204
205	Process process = this.processBuilder.start();	4✔
206
207	try {
208	if (Redirect.PIPE == processMode.getRedirectOutput() \|\| Redirect.PIPE == processMode.getRedirectError()) {	8!
209	CompletableFuture<Void> outFut = readInputStream(process.getInputStream(), false, output);	6✔
210	CompletableFuture<Void> errFut = readInputStream(process.getErrorStream(), true, output);	6✔
211	if (Redirect.PIPE == processMode.getRedirectOutput()) {	4!
212	outFut.get();	3✔
213	if (this.outputListener != null) {	3✔
214	for (OutputMessage msg : output) {	10✔
215	this.outputListener.onOutput(msg.message(), msg.error());	7✔
216	}	1✔
217	}
218	}
219
220	if (Redirect.PIPE == processMode.getRedirectError()) {	4!
221	errFut.get();	3✔
222	if (this.outputListener != null) {	3✔
223	for (OutputMessage msg : output) {	10✔
224	this.outputListener.onOutput(msg.message(), msg.error());	7✔
225	}	1✔
226	}
227	}
228	}
229
230	int exitCode;
231
232	if (processMode.isBackground()) {	3✔
233	exitCode = ProcessResult.SUCCESS;	3✔
234	} else {
235	exitCode = process.waitFor();	3✔
236	}
237
238	List<OutputMessage> finalOutput = new ArrayList<>(output);	5✔
239	boolean success = this.exitCodeAcceptor.test(exitCode);	6✔
240	ProcessResult result = new ProcessResultImpl(this.executable.getFileName().toString(), command, exitCode, success, finalOutput);	12✔
241
242	performLogging(result, exitCode, interpreter);	5✔
243
244	return result;	4✔
245	} finally {
246	if (!processMode.isBackground()) {	3✔
247	process.destroy();	2✔
248	}
249	}
250	} catch (CliProcessException \| IllegalStateException e) {	1✔
251	// these exceptions are thrown from performLogOnError and we do not want to wrap them (see #593)
252	throw e;	2✔
253	} catch (Exception e) {	1✔
254	String msg = e.getMessage();	3✔
255	if ((msg == null) \|\| msg.isEmpty()) {	5!
256	msg = e.getClass().getSimpleName();	×
257	}
258	throw new IllegalStateException(createCommandMessage(interpreter, " failed: " + msg), e);	10✔
259	} finally {
260	this.arguments.clear();	3✔
261	}
262	}
263
264	/**
265	* Asynchronously and parallel reads {@link InputStream input stream} and stores it in {@link CompletableFuture}. Inspired by: <a href=
266	* "https://stackoverflow.com/questions/14165517/processbuilder-forwarding-stdout-and-stderr-of-started-processes-without-blocki/57483714#57483714">StackOverflow</a>
267	*
268	* @param is {@link InputStream}.
269	* @param errorStream to identify if the output came from stdout or stderr
270	* @return {@link CompletableFuture}.
271	*/
272	private static CompletableFuture<Void> readInputStream(InputStream is, boolean errorStream, ConcurrentLinkedQueue<OutputMessage> outputMessages) {
273
274	return CompletableFuture.supplyAsync(() -> {	6✔
275
276	try (InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr)) {	10✔
277
278	String line;
279	while ((line = br.readLine()) != null) {	5✔
280	OutputMessage outputMessage = new OutputMessage(errorStream, line);	6✔
281	outputMessages.add(outputMessage);	4✔
282	}	1✔
283
284	return null;	4✔
285	} catch (Throwable e) {	1✔
286	throw new RuntimeException("There was a problem while executing the program", e);	6✔
287	}
288	});
289	}
290
291	private String createCommand() {
292	String cmd = this.executable.toString();	4✔
293	StringBuilder sb = new StringBuilder(cmd.length() + this.arguments.size() * 4);	12✔
294	sb.append(cmd);	4✔
295	for (String arg : this.arguments) {	11✔
296	sb.append(' ');	4✔
297	sb.append(arg);	4✔
298	}	1✔
299	return sb.toString();	3✔
300	}
301
302	private String createCommandMessage(String interpreter, String suffix) {
303
304	StringBuilder sb = new StringBuilder();	4✔
305	sb.append("Running command '");	4✔
306	sb.append(this.executable);	5✔
307	sb.append("'");	4✔
308	if (interpreter != null) {	2✔
309	sb.append(" using ");	4✔
310	sb.append(interpreter);	4✔
311	}
312	int size = this.arguments.size();	4✔
313	if (size > 0) {	2✔
314	sb.append(" with arguments");	4✔
315	for (int i = 0; i < size; i++) {	7✔
316	String arg = this.arguments.get(i);	6✔
317	sb.append(" '");	4✔
318	sb.append(arg);	4✔
319	sb.append("'");	4✔
320	}
321	}
322	sb.append(suffix);	4✔
323	return sb.toString();	3✔
324	}
325
326	private String getSheBang(Path file) {
327
328	try (InputStream in = Files.newInputStream(file)) {	5✔
329	// "#!/usr/bin/env bash".length() = 19
330	byte[] buffer = new byte[32];	3✔
331	int read = in.read(buffer);	4✔
332	if ((read > 2) && (buffer[0] == '#') && (buffer[1] == '!')) {	13!
333	int start = 2;	2✔
334	int end = 2;	2✔
335	while (end < read) {	3!
336	byte c = buffer[end];	4✔
337	if ((c == '\n') \|\| (c == '\r') \|\| (c > 127)) {	9!
338	break;	×
339	} else if ((end == start) && (c == ' ')) {	6!
340	start++;	×
341	}
342	end++;	1✔
343	}	1✔
344	String sheBang = new String(buffer, start, end - start, StandardCharsets.US_ASCII).trim();	11✔
345	if (sheBang.startsWith(PREFIX_USR_BIN_ENV)) {	4!
346	sheBang = sheBang.substring(PREFIX_USR_BIN_ENV.length());	×
347	}
348	return sheBang;	4✔
349	}
350	} catch (IOException e) {	5!
351	// ignore...
352	}	1✔
353	return null;	2✔
354	}
355
356	private String addExecutable(List<String> args) {
357
358	String interpreter = null;	2✔
359	String fileExtension = FilenameUtil.getExtension(this.executable.getFileName().toString());	6✔
360	boolean isBashScript = "sh".equals(fileExtension);	4✔
361	this.context.getFileAccess().makeExecutable(this.executable, true);	7✔
362	if (!isBashScript) {	2✔
363	String sheBang = getSheBang(this.executable);	5✔
364	if (sheBang != null) {	2✔
365	String cmd = sheBang;	2✔
366	int lastSlash = cmd.lastIndexOf('/');	4✔
367	if (lastSlash >= 0) {	2!
368	cmd = cmd.substring(lastSlash + 1);	6✔
369	}
370	if (cmd.equals("bash")) {	4!
371	isBashScript = true;	2✔
372	} else {
373	// currently we do not support other interpreters...
374	}
375	}
376	}
377	if (isBashScript) {	2✔
378	interpreter = "bash";	2✔
379	args.add(this.context.findBashRequired().toString());	7✔
380	}
381	if ("msi".equalsIgnoreCase(fileExtension)) {	4!
382	args.addFirst("/i");	×
383	args.addFirst("msiexec");	×
384	}
385	args.add(this.executable.toString());	6✔
386	return interpreter;	2✔
387	}
388
389	private void performLogging(ProcessResult result, int exitCode, String interpreter) {
390
391	if (!result.isSuccessful() && (this.errorHandling != ProcessErrorHandling.NONE)) {	7!
392	IdeLogLevel ideLogLevel = this.errorHandling.getLogLevel();	4✔
393	String message = createCommandMessage(interpreter, "\nfailed with exit code " + exitCode + "!");	6✔
394
395	LOG.atLevel(ideLogLevel.getSlf4jLevel()).log(message);	6✔
396	result.log(ideLogLevel);	3✔
397
398	if (this.errorHandling == ProcessErrorHandling.THROW_CLI) {	4!
399	throw new CliProcessException(message, result);	×
400	} else if (this.errorHandling == ProcessErrorHandling.THROW_ERR) {	4✔
401	throw new IllegalStateException(message);	5✔
402	}
403	}
404	}	1✔
405
406	private void modifyArgumentsOnBackgroundProcess(ProcessMode processMode) {
407
408	assert processMode.isBackground() : "Cannot handle non background process mode!";	4!
409
410	Path bash = this.context.findBash();	4✔
411	if (bash == null) {	2!
412	LOG.warn("Cannot start background process via bash because no bash installation was found. Hence, output will be discarded.");	×
413	this.processBuilder.redirectOutput(Redirect.DISCARD).redirectError(Redirect.DISCARD);	×
414	return;	×
415	}
416
417	String commandToRunInBackground = buildCommandToRunInBackground();	3✔
418
419	this.arguments.clear();	3✔
420	this.arguments.add(bash.toString());	6✔
421	this.arguments.add("-c");	5✔
422	commandToRunInBackground += " & disown";	3✔
423	this.arguments.add(commandToRunInBackground);	5✔
424
425	}	1✔
426
427	private void applyRedirects(ProcessMode processMode) {
428
429	Redirect output = processMode.getRedirectOutput();	3✔
430	Redirect error = processMode.getRedirectError();	3✔
431	Redirect input = processMode.getRedirectInput();	3✔
432
433	if (output != null) {	2!
434	this.processBuilder.redirectOutput(output);	5✔
435	}
436	if (error != null) {	2!
437	this.processBuilder.redirectError(error);	5✔
438	}
439	if (input != null) {	2✔
440	this.processBuilder.redirectInput(input);	5✔
441	}
442	}	1✔
443
444	private String buildCommandToRunInBackground() {
445
446	if (this.context.getSystemInfo().isWindows()) {	5!
447
448	StringBuilder stringBuilder = new StringBuilder();	×
449
450	for (String argument : this.arguments) {	×
451
452	if (SystemInfoImpl.INSTANCE.isWindows() && SystemPath.isValidWindowsPath(argument)) {	×
453	argument = WindowsPathSyntax.MSYS.normalize(argument);	×
454	}
455
456	stringBuilder.append(argument);	×
457	stringBuilder.append(" ");	×
458	}	×
459	return stringBuilder.toString().trim();	×
460	} else {
461	return this.arguments.stream().map(Object::toString).collect(Collectors.joining(" "));	10✔
462	}
463	}
464	}

devonfw / IDEasy / 22317391561

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