Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 330 insertions, 0 deletions

diff --git a/qadevOOo/runner/helper/ProcessHandler.java b/qadevOOo/runner/helper/ProcessHandler.java
new file mode 100644
index 000000000..26c1f7875
--- /dev/null
+++ b/qadevOOo/runner/helper/ProcessHandler.java
@@ -0,0 +1,330 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+package helper;
+
+import java.io.InputStream;
+import java.io.File;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.io.PrintWriter;
+import java.io.PrintStream;
+import java.io.LineNumberReader;
+import java.io.InputStreamReader;
+import util.utils;
+
+/*
+ * Class collect information from input stream in
+ * background (separate thread) and outputs it to
+ * some log stream. I helps to avoid buffer overflow
+ * when output stream has small buffer size (e.g.
+ * in case when handling stdout from external
+ * <code>Process</code>)
+ *
+ * This class is currently used by ProcessHandler
+ * internally only.
+ */
+class Pump extends Thread
+{
+
+    private final LineNumberReader reader;
+    private final String pref;
+    private final StringBuffer buf = new StringBuffer(256);
+    private final PrintWriter log;
+    private final boolean bOutput;
+
+    /**
+     * Creates Pump for specified <code>InputStream</code>.
+     * This Pump also synchronously output text read to
+     * log by prefixed lines. Constructor immediately
+     * starts reading in a separate thread.
+     *
+     * @param is Stream which requires permanent reading.
+     * @param log Writer where prefixed text lines to be output
+     * @param outPrefix A prefix which is printed at the
+     *   beginning of each output line.
+     */
+    public Pump(InputStream is, PrintWriter log, String outPrefix, boolean _bOutput)
+    {
+        this.pref = (outPrefix == null) ? "" : outPrefix;
+        reader = new LineNumberReader(new InputStreamReader(is));
+        this.log = log;
+        this.bOutput = _bOutput;
+        start();
+    }
+
+    @Override
+    public void run()
+    {
+        try
+        {
+            String line = reader.readLine();
+            while (line != null)
+            {
+                if (bOutput)
+                {
+                    log.println(pref + line);
+                    log.flush();
+                }
+                buf.append(line).append('\n');
+                line = reader.readLine();
+            }
+        }
+        catch (java.io.IOException e)
+        {
+            log.println(pref + "Exception occurred: " + e);
+        }
+    }
+
+    /**
+     * Returns the text collected from input stream.
+     */
+    public String getStringBuffer()
+    {
+        return buf.toString();
+    }
+}
+
+/**
+ * Class provides convenient way for running external program
+ * handle its standard streams, control execution and check results.
+ * Instance of this class must be created only for a single
+ * execution. If you need to execute the same command again you
+ * should create a new instance for this.
+ */
+public class ProcessHandler
+{
+    private String cmdLine;
+    private String[] envVars = null;
+    private File workDir = null;
+    private PrintWriter log;
+    private int exitValue = -1;
+    private boolean isStarted = false;
+    private PrintStream stdIn = null;
+    private Process m_aProcess = null;
+    private boolean debug = false;
+    private boolean bUseOutput = true;
+
+    /**
+     * Creates instance with specified external command and
+     * log stream where debug info and output
+     * of external command is printed out.
+     */
+    public ProcessHandler(String cmdLine, PrintWriter log) throws UnsupportedEncodingException
+    {
+        this(cmdLine, log, null, null);
+    }
+
+    /**
+     * Creates instance with specified external command which
+     * will be executed in the same work directory and
+     *
+     * @param cmdLine       the command to be executed
+     * @param log           log stream where debug info and output
+     *                      of external command is printed .
+     * @param workDir       The working directory of the new process
+     * @param envVars       The specified environment variables are
+     *                      set for the new process.
+     *                      If log stream is null, logging is printed to stdout.
+     * @param  timeOut      When started synchronously, the maximum time the
+     *                      process will live. When the process being destroyed
+     *                      a log will be written out. It can be asked on
+     *                      <code>isTimedOut()</code> if it has been terminated.
+     *
+     *                      timeOut > 0
+     *                      Waits specified time in milliSeconds for
+     *                      process to exit and return its status.
+     *
+     *                      timeOut = 0
+     *                      Waits for the process to end regularly
+     *
+     */
+    private ProcessHandler(String cmdLine, PrintWriter log, File workDir, String[] envVars) throws UnsupportedEncodingException
+    {
+        this.cmdLine = cmdLine;
+        this.workDir = workDir;
+        this.log = log;
+        this.envVars = envVars;
+        if (log == null)
+        {
+            this.log = new PrintWriter(new OutputStreamWriter(System.out, "UTF-8"));
+        }
+        else
+        {
+            this.log = log;
+        }
+    }
+
+    /**
+     * Executes the command immediately returns. The process
+     * remains in running state.
+     *
+     * @return <code>true</code> if process was successfully
+     * started.
+     */
+    public boolean executeAsynchronously()
+    {
+        execute();
+        return isStarted();
+    }
+
+    public synchronized void kill()
+    {
+        if (!isStarted())
+        {
+            return;
+        }
+        boolean exit = false;
+        int counter = 1;
+        while (counter < 3 && !exit)
+        {
+            m_aProcess.destroy();
+
+            util.utils.pause(1000 * counter);
+            try
+            {
+                final int exit_Value = m_aProcess.exitValue();
+                if (exit_Value < 1)
+                {
+                    exit = true;
+                }
+                else
+                {
+                    counter++;
+                }
+                dbg("kill: process closed with exit code " + exit_Value);
+            }
+            catch (java.lang.IllegalThreadStateException e)
+            {
+                if (counter < 3)
+                {
+                    dbg("kill: Couldn't close process after " + counter + " attempts, trying again");
+                }
+                counter++;
+            }
+        }
+        isStarted = false;
+    }
+
+    private void showEnvVars()
+    {
+        if (envVars != null)
+        {
+            for (int i = 0; i < envVars.length; i++)
+            {
+                log.println("env: " + envVars[i]);
+            }
+        }
+        else
+        {
+            log.println("env: null");
+        }
+    }
+
+    private void execute()
+    {
+        if (isStarted())
+        {
+            throw new RuntimeException(
+                    "The process handler has already been executed.");
+        }
+        final Runtime runtime = Runtime.getRuntime();
+        try
+        {
+            if (workDir != null)
+            {
+                log.println(utils.getDateTime() + "execute: Starting command: ");
+                log.println(cmdLine + " path=" + workDir.getAbsolutePath());
+                showEnvVars();
+                m_aProcess = runtime.exec(cmdLine, envVars, workDir);
+            }
+            else
+            {
+                log.println(utils.getDateTime() + "execute: Starting command: ");
+                log.println(cmdLine);
+                showEnvVars();
+                m_aProcess = runtime.exec(cmdLine, envVars);
+            }
+            isStarted = true;
+        }
+        catch (java.io.IOException e)
+        {
+            log.println(utils.getDateTime() + "execute: The command " + cmdLine + " can't be started: " + e);
+            return;
+        }
+        dbg("execute: pump io-streams");
+        new Pump(m_aProcess.getInputStream(), log, "out > ", bUseOutput);
+        new Pump(m_aProcess.getErrorStream(), log, "err > ", bUseOutput);
+        stdIn = new PrintStream(m_aProcess.getOutputStream());
+
+        dbg("execute: flush io-streams");
+
+        flushInput();
+    }
+
+    private void flushInput()
+    {
+        if (stdIn == null)
+        {
+            return;
+        }
+
+        synchronized(this)
+        {
+            stdIn.flush();
+        }
+    }
+
+    /**
+     * Returns information about was the command started or
+     * not.
+     *
+     * @return <code>true</code> if the external command was
+     * found and successfully started.
+     */
+    private boolean isStarted()
+    {
+        return isStarted;
+    }
+
+    /**
+     * Returns exit code of the external command.
+     *
+     * @return exit code of command if it was finished,
+     * -1 if not.
+     */
+    public int getExitCode()
+    {
+        try
+        {
+            exitValue = m_aProcess.exitValue();
+        }
+        catch (Exception e)
+        {
+        }
+
+        return exitValue;
+    }
+
+    private void dbg(String message)
+    {
+        if (debug)
+        {
+            log.println(utils.getDateTime() + "PH." + message);
+        }
+    }
+}