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/*
Derby - Class org.apache.derbyTesting.functionTests.harness.HandleResult
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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.derbyTesting.functionTests.harness;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.PrintWriter;
import java.io.IOException;
/**
Class: HandleResult
Purpose: To capture stdout and stderr to a file
(PrintWriter is used for writing the output)
*/
public class HandleResult
{
public static void main(String[] args) throws Exception
{
}
public static String handleResult(int exitCode, InputStream stdout,
InputStream stderr, PrintWriter printWriter)
throws IOException
{
return handleResult(exitCode, stdout, stderr, printWriter, null);
}
public static String handleResult(int exitCode, InputStream stdout,
InputStream stderr, PrintWriter printWriter, String encoding)
throws IOException
{
StringBuffer sb = new StringBuffer();
// only used for debugging
sb.append("exitcode=");
sb.append(exitCode);
if (stdout != null)
{
// reader for stdout
BufferedReader outReader;
if(encoding != null)
outReader = new BufferedReader(new InputStreamReader(stdout, encoding));
else
outReader = new BufferedReader(new InputStreamReader(stdout));
// Read each line and write to printWriter
String s = null;
int lines = 0;
while ((s = outReader.readLine()) != null)
{
lines++;
if (printWriter == null)
System.out.println(s);
else
printWriter.println(s);
}
sb.append(",");
sb.append(lines);
outReader.close();
printWriter.flush();
}
if (stderr != null)
{
// reader for stderr
BufferedReader errReader;
if(encoding != null)
errReader = new BufferedReader(new InputStreamReader(stderr, encoding));
else
errReader = new BufferedReader(new InputStreamReader(stderr));
String s = null;
int lines = 0;
while ((s = errReader.readLine()) != null)
{
if (printWriter == null)
System.out.println(s);
else
printWriter.println(s);
}
errReader.close();
printWriter.flush();
}
return sb.toString();
}
}
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