com.prezi.pride.ProcessUtils Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of pride-core Show documentation
Show all versions of pride-core Show documentation
Pride manages multiple Gradle modules as a single Gradle project
package com.prezi.pride;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
public class ProcessUtils {
private static final Logger logger = LoggerFactory.getLogger(ProcessUtils.class);
public static Process executeIn(File directory, List> commandLine, boolean processOutput, boolean redirectErrorStream) throws IOException {
List stringCommandLine = new ArrayList();
for (Object item : commandLine) {
stringCommandLine.add(String.valueOf(item));
}
logger.debug("Executing in {}: {}", directory != null ? directory : System.getProperty("user.dir"), StringUtils.join(stringCommandLine, " "));
ProcessBuilder builder = new ProcessBuilder(stringCommandLine);
builder.directory(directory);
if (redirectErrorStream) {
builder.redirectErrorStream(true);
}
Process process = builder.start();
if (processOutput) {
BufferedReader errorReader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
try {
String line;
while ((line = errorReader.readLine()) != null) {
logger.warn("{}", line);
}
} finally {
errorReader.close();
}
BufferedReader outputReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
try {
String line;
while ((line = outputReader.readLine()) != null) {
logger.info("{}", line);
}
} finally {
outputReader.close();
}
}
try {
process.waitFor();
} catch (InterruptedException e) {
throw new IOException("Interrupted", e);
}
int result = process.exitValue();
if (result != 0) {
String output;
if (!processOutput) {
List outputLines = new ArrayList();
outputLines.addAll(IOUtils.readLines(process.getErrorStream()));
outputLines.addAll(IOUtils.readLines(process.getInputStream()));
output = ", output:\n" + StringUtils.join(outputLines, '\n');
} else {
output = "";
}
throw new PrideException("Failed to execute \"" + StringUtils.join(commandLine, " ") + "\" in \"" + directory + "\", exit code: " + result + output);
}
return process;
}
public static Process executeIn(File directory, List> commandLine, boolean processOutput) throws IOException {
return ProcessUtils.executeIn(directory, commandLine, processOutput, true);
}
public static Process executeIn(File directory, List> commandLine) throws IOException {
return ProcessUtils.executeIn(directory, commandLine, true, true);
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy