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Added copy file method 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@632961 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2008-03-03 07:14:39 +00:00
parent c427689dad
commit d8b407bb63
1 changed files with 23 additions and 0 deletions
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23
activemq-core/src/main/java/org/apache/activemq/util/IOHelper.java
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@ -17,7 +17,12 @@
package org.apache.activemq.util; package org.apache.activemq.util;
import java.io.File; import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/** /**
* @version $Revision$ * @version $Revision$
@ -25,6 +30,7 @@ import java.io.IOException;
public final class IOHelper { public final class IOHelper {
protected static final int MAX_DIR_NAME_LENGTH; protected static final int MAX_DIR_NAME_LENGTH;
protected static final int MAX_FILE_NAME_LENGTH; protected static final int MAX_FILE_NAME_LENGTH;
private static final int DEFAULT_BUFFER_SIZE = 4096;
private IOHelper() { private IOHelper() {
} }
@ -143,6 +149,23 @@ public final class IOHelper {
} }
} }
public static void copyFile(File src, File dest) throws IOException {
FileInputStream fileSrc = new FileInputStream(src);
FileOutputStream fileDest = new FileOutputStream(dest);
copyInputStream(fileSrc, fileDest);
}
public static void copyInputStream(InputStream in, OutputStream out) throws IOException {
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
int len = in.read(buffer);
while (len >= 0) {
out.write(buffer, 0, len);
len = in.read(buffer);
}
in.close();
out.close();
}
static { static {
MAX_DIR_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumDirNameLength","200")).intValue(); MAX_DIR_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumDirNameLength","200")).intValue();
MAX_FILE_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumFileNameLength","64")).intValue(); MAX_FILE_NAME_LENGTH = Integer.valueOf(System.getProperty("MaximumFileNameLength","64")).intValue();