Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    /**
     * Retrieves the output (stdout) of the process represented by the given {@link Process}
     * object. This method blocks until the process is about to terminate and returns the
     * complete output as a string. The returned string contains newlines after each output
     * line. This is also true for the last line and for processes that do not output line
     * endings, i.e., the string always has a trailing newline except for empty outputs.
     * Note that the process is likely to have not terminated yet after this method returns.
     * 
     * @param proc
     *          The process object.
     * @return The stdout output of the process. May be an empty string. The string always
     *         has a trailing newline if it is not empty.
     * @throws IOException
     *           If the process output cannot be read.
     */
    public static String getProcessOutput(final Process proc) throws IOException {
        try (final InputStreamReader isr = new InputStreamReader(proc.getInputStream());
                final BufferedReader r = new BufferedReader(isr)) {
            final StringBuilder sb = new StringBuilder();
            String line;
            while ((line = r.readLine()) != null) {
                sb.append(line);
                sb.append("\n");
            }
            return sb.toString();
        } catch (final IOException e) {
            throw e;
        }
    }
}