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Code Issues Releases Wiki Activity

Consolidate FileUtils from smack-openpgp into smack-core

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This commit is contained in:
Florian Schmaus 2018-08-15 17:36:29 +02:00
parent a00aa726fe
commit 3e65cb31c3
5 changed files with 43 additions and 69 deletions
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36
smack-core/src/main/java/org/jivesoftware/smack/util/FileUtils.java
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@ -18,7 +18,9 @@ package org.jivesoftware.smack.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
@ -160,4 +162,38 @@ public final class FileUtils {
return false;
}
}
public static FileOutputStream prepareFileOutputStream(File file) throws IOException {
if (!file.exists()) {
// Create parent directory
File parent = file.getParentFile();
if (!parent.exists() && !parent.mkdirs()) {
throw new IOException("Cannot create directory " + parent.getAbsolutePath());
}
// Create file
if (!file.createNewFile()) {
throw new IOException("Cannot create file " + file.getAbsolutePath());
}
}
if (file.isDirectory()) {
throw new AssertionError("File " + file.getAbsolutePath() + " is not a file!");
}
return new FileOutputStream(file);
}
public static FileInputStream prepareFileInputStream(File file) throws IOException {
if (file.exists()) {
if (file.isFile()) {
return new FileInputStream(file);
} else {
throw new IOException("File " + file.getAbsolutePath() + " is not a file!");
}
} else {
throw new FileNotFoundException("File " + file.getAbsolutePath() + " not found.");
}
}
}