org.mockito.internal.util.io.IOUtil Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mockito-core Show documentation
Show all versions of mockito-core Show documentation
Mockito mock objects library core API and implementation
/*
* Copyright (c) 2016 Mockito contributors
* This program is made available under the terms of the MIT License.
*/
package org.mockito.internal.util.io;
import java.io.BufferedReader;
import java.io.Closeable;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.mockito.exceptions.base.MockitoException;
/**
* IO utils. A bit of reinventing the wheel but we don't want extra dependencies at this stage and
* we want to be java.
*/
public final class IOUtil {
/**
* Writes text to file in UTF-8.
*/
public static void writeText(String text, File output) {
OutputStreamWriter pw = null;
try {
pw = new OutputStreamWriter(new FileOutputStream(output), StandardCharsets.UTF_8);
pw.write(text);
} catch (Exception e) {
throw new MockitoException("Problems writing text to file: " + output, e);
} finally {
close(pw);
}
}
/**
* Reads all lines from the given stream. Uses UTF-8.
*/
public static Collection readLines(InputStream is) {
List out = new LinkedList<>();
BufferedReader r = new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
String line;
try {
while ((line = r.readLine()) != null) {
out.add(line);
}
} catch (IOException e) {
throw new MockitoException("Problems reading from: " + is, e);
}
return out;
}
/**
* Closes the target. Does nothing when target is null. Is silent.
*
* @param closeable the target, may be null
*/
public static void closeQuietly(Closeable closeable) {
try {
close(closeable);
} catch (MockitoException ignored) {
// ignore, for backwards compatibility
}
}
/**
* Closes the target. Does nothing when target is null. Is not silent and exceptions are rethrown.
*
* @param closeable the target, may be null
*/
public static void close(Closeable closeable) {
if (closeable != null) {
try {
closeable.close();
} catch (IOException e) {
throw new MockitoException("Problems closing stream: " + closeable, e);
}
}
}
private IOUtil() {}
}