Java StringUtils类代码示例

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Add the file names to the Commandline. Log them in verbose mode.
 * @param cmd the Commandline to be executed
 */
private void logAndAddFilesToCompile(Commandline cmd) {
  log("Compilation " + cmd.describeArguments(),
      Project.MSG_VERBOSE);

  StringBuffer niceSourceList = new StringBuffer("File");
  if (compileList.length != 1) {
    niceSourceList.append("s");
  }
  niceSourceList.append(" to be compiled:");
  niceSourceList.append(StringUtils.LINE_SEP);

  for (int i = 0; i < compileList.length; i++) {
    String arg = compileList[i].getAbsolutePath();
    cmd.createArgument().setValue(arg);
    niceSourceList.append("    ");
    niceSourceList.append(arg);
    niceSourceList.append(StringUtils.LINE_SEP);
  }
  log(niceSourceList.toString(), Project.MSG_VERBOSE);
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * The whole testsuite started.
 * @param suite the test suite
 */
public void startTestSuite(JUnitTest suite) {
    if (output == null) {
        return; // Quick return - no output do nothing.
    }
    StringBuffer sb = new StringBuffer("Testsuite: ");
    String n = suite.getName();
    if (n != null && !tag.isEmpty())
        n = n + "-" + tag;
    sb.append(n);
    sb.append(StringUtils.LINE_SEP);
    try {
        output.write(sb.toString());
        output.flush();
    } catch (IOException ex) {
        throw new BuildException(ex);
    }
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * {@inheritDoc}
 *
 * @param event An event with any relevant extra information. Must not be <code>null</code>.
 */
public void subBuildStarted(BuildEvent event) {
    String name = extractNameOrDefault(event);
    Project project = event.getProject();

    File base = project == null ? null : project.getBaseDir();
    String path =
        (base == null)
        ? "With no base directory"
        : "In " + base.getAbsolutePath();
    printMessage(StringUtils.LINE_SEP + getHeader()
            + StringUtils.LINE_SEP + "Entering project " + name
                    + StringUtils.LINE_SEP + path
                    + StringUtils.LINE_SEP + getFooter(),
            out,
            event.getPriority());
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Logs a message for a target if it is of an appropriate
 * priority, also logging the name of the target if this
 * is the first message which needs to be logged for the
 * target.
 *
 * @param event A BuildEvent containing message information.
 *              Must not be <code>null</code>.
 */
public void messageLogged(BuildEvent event) {

    if (event.getPriority() > msgOutputLevel
        || null == event.getMessage()
        || "".equals(event.getMessage().trim())) {
            return;
    }

    synchronized (this) {
        if (null != targetName) {
            out.println(StringUtils.LINE_SEP + targetName + ":");
            targetName = null;
        }
    }

    super.messageLogged(event);
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Return a String that describes the arguments suitable for
 * verbose output before a call to <code>Runtime.exec(String[])</code>.
 *
 * @param args the command line to describe as an array of strings.
 * @param offset ignore entries before this index.
 * @return a string that describes the arguments
 *
 * @since Ant 1.5
 */
protected static String describeArguments(String[] args, int offset) {
    if (args == null || args.length <= offset) {
        return "";
    }
    StringBuilder buf = new StringBuilder("argument");
    if (args.length > offset) {
        buf.append("s");
    }
    buf.append(":").append(StringUtils.LINE_SEP);
    for (int i = offset; i < args.length; i++) {
        buf.append("\'").append(args[i]).append("\'")
            .append(StringUtils.LINE_SEP);
    }
    buf.append(DISCLAIMER);
    return buf.toString();
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
static void throwableMessage(StringBuffer m, Throwable error, boolean verbose) {
    while (error instanceof BuildException) { // #43398
        Throwable cause = error.getCause();
        if (cause == null) {
            break;
        }
        String msg1 = error.toString();
        String msg2 = cause.toString();
        if (msg1.endsWith(msg2)) {
            m.append(msg1.substring(0, msg1.length() - msg2.length()));
            error = cause;
        } else {
            break;
        }
    }
    if (verbose || !(error instanceof BuildException)) {
        m.append(StringUtils.getStackTrace(error));
    } else {
        m.append(error).append(lSep);
    }
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Prints whether the build succeeded or failed,
 * any errors the occurred during the build, and
 * how long the build took.
 *
 * @param event An event with any relevant extra information.
 *              Must not be <code>null</code>.
 */
public void buildFinished(BuildEvent event) {
    Throwable error = event.getException();
    StringBuffer message = new StringBuffer();
    if (error == null) {
        message.append(StringUtils.LINE_SEP);
        message.append(getBuildSuccessfulMessage());
    } else {
        message.append(StringUtils.LINE_SEP);
        message.append(getBuildFailedMessage());
        message.append(StringUtils.LINE_SEP);
        throwableMessage(message, error, Project.MSG_VERBOSE <= msgOutputLevel);
    }
    message.append(StringUtils.LINE_SEP);
    message.append("Total time: ");
    message.append(formatTime(System.currentTimeMillis() - startTime));

    String msg = message.toString();
    if (error == null) {
        printMessage(msg, out, Project.MSG_VERBOSE);
    } else {
        printMessage(msg, err, Project.MSG_ERR);
    }
    log(msg);
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * @see org.apache.tools.ant.BuildListener#buildFinished(BuildEvent)
 * {@inheritDoc}.
 */
public void buildFinished(BuildEvent event) {
    log("< BUILD FINISHED", Project.MSG_DEBUG);

    if (record && out != null) {
        Throwable error = event.getException();

        if (error == null) {
            out.println(StringUtils.LINE_SEP + "BUILD SUCCESSFUL");
        } else {
            out.println(StringUtils.LINE_SEP + "BUILD FAILED"
                        + StringUtils.LINE_SEP);
            error.printStackTrace(out); //NOSONAR
        }
    }
    cleanup();
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Set a property from a ByteArrayOutputStream
 *
 * @param baos
 *            contains the property value.
 * @param propertyName
 *            the property name.
 *
 * @exception IOException
 *                if the value cannot be read form the stream.
 */
private void setPropertyFromBAOS(final ByteArrayOutputStream baos,
        final String propertyName) throws IOException {

    final BufferedReader in = new BufferedReader(new StringReader(Execute
            .toString(baos)));
    String line = null;
    final StringBuffer val = new StringBuffer();
    while ((line = in.readLine()) != null) {
        if (val.length() != 0) {
            val.append(StringUtils.LINE_SEP);
        }
        val.append(line);
    }
    managingTask.getProject().setNewProperty(propertyName, val.toString());
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
private void writeJavaClass() {
    try {
        File sourceFile = new File(getLocationName() + ".java");
        verbose("Write collector class to '" + sourceFile.getAbsolutePath() + "'");

        if (sourceFile.exists() && !sourceFile.delete()) {
            throw new IOException("could not delete " + sourceFile);
        }
        writer = new BufferedWriter(new FileWriter(sourceFile));

        createClassHeader();
        createSuiteMethod();
        createClassFooter();

    } catch (IOException e) {
        log(StringUtils.getStackTrace(e));
    } finally {
        FileUtils.close(writer);
    }
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * read the output stream to retrieve the new task number.
 * @param is InputStream
 * @throws IOException on error
 */
@Override
public void setProcessOutputStream(InputStream is) throws IOException {
    try (BufferedReader reader =
        new BufferedReader(new InputStreamReader(is))) {
        String buffer = reader.readLine();
        if (buffer != null) {
            log("buffer:" + buffer, Project.MSG_DEBUG);
            String taskstring = buffer.substring(buffer.indexOf(' ')).trim();
            taskstring = taskstring.substring(0, taskstring.lastIndexOf(' ')).trim();
            setTask(taskstring);
            log("task is " + getTask(), Project.MSG_DEBUG);
        }
    } catch (NullPointerException npe) {
        log("error procession stream, null pointer exception", Project.MSG_ERR);
        log(StringUtils.getStackTrace(npe), Project.MSG_ERR);
        throw new BuildException(npe);
    } catch (Exception e) {
        log("error procession stream " + e.getMessage(), Project.MSG_ERR);
        throw new BuildException(e.getMessage());
    }

}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Logs the compilation parameters, adds the files to compile and logs the
 * "niceSourceList"
 * @param cmd the command line to add parameters to.
 */
protected void logAndAddFilesToCompile(Commandline cmd) {
    log("Compilation " + cmd.describeArguments(),
        Project.MSG_VERBOSE);

    String[] c = getClasses();
    StringBuilder message = new StringBuilder("Class");
    if (c.length > 1) {
        message.append("es");
    }
    message.append(" to be compiled:");
    message.append(StringUtils.LINE_SEP);
    for (String element : c) {
        cmd.createArgument().setValue(element);
        message.append("    ").append(element).append(StringUtils.LINE_SEP);
    }
    log(message.toString(), Project.MSG_VERBOSE);
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Reset state to default.
 */
public void reset() {
    append = false;
    forceOverwrite = true;
    dest = null;
    encoding = null;
    outputEncoding = null;
    fixLastLine = false;
    filterChains = null;
    footer = null;
    header = null;
    binary = false;
    outputWriter = null;
    textBuffer = null;
    eolString = StringUtils.LINE_SEP;
    rc = null;
    ignoreEmpty = true;
    force = false;
}
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
private String executeToString(Execute execute) {

        String cmdLine = Commandline.describeCommand(execute
                .getCommandline());
        StringBuilder buf = removeCvsPassword(cmdLine);

        String newLine = StringUtils.LINE_SEP;
        String[] variableArray = execute.getEnvironment();

        if (variableArray != null) {
            buf.append(newLine);
            buf.append(newLine);
            buf.append("environment:");
            buf.append(newLine);
            for (int z = 0; z < variableArray.length; z++) {
                buf.append(newLine);
                buf.append("\t");
                buf.append(variableArray[z]);
            }
        }

        return buf.toString();
    }
 

import org.apache.tools.ant.util.StringUtils; //导入依赖的package包/类
/**
 * Evaluate the condition.
 * @return true if there enough free space.
 * @throws BuildException if there is a problem.
 */
@Override
public boolean eval() throws BuildException {
    validate();
    try {
        if (JavaEnvUtils.isAtLeastJavaVersion("1.6")) {
            //reflection to avoid bootstrap/build problems
            File fs = new File(partition);
            ReflectWrapper w = new ReflectWrapper(fs);
            long free = w.<Long> invoke("getFreeSpace").longValue();
            return free >= StringUtils.parseHumanSizes(needed);
        }
        throw new BuildException(
            "HasFreeSpace condition not supported on Java5 or less.");
    } catch (Exception e) {
        throw new BuildException(e);
    }
}