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Work around JVMs that don't return a valid value for File.length(). We've 

discovered at least one that doesn't.



git-svn-id: https://svn.apache.org/repos/asf/incubator/openjpa/trunk@431627 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
A. Abram White 2006-08-15 15:57:14 +00:00
parent 26ae2fa31c
commit 0821efea40
1 changed files with 18 additions and 7 deletions
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25
openjpa-lib/src/main/java/org/apache/openjpa/lib/meta/FileMetaDataIterator.java
View File

@ -15,6 +15,7 @@
*/
package org.apache.openjpa.lib.meta;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
@ -134,14 +135,24 @@ public class FileMetaDataIterator implements MetaDataIterator {
public byte[] getContent() throws IOException {
long len = _file.length();
if (len <= 0)
return new byte[0];
byte[] content = new byte[(int) len];
FileInputStream fin = new FileInputStream(_file);
fin.read(content);
fin.close();
return content;
try {
byte[] content;
if (len <= 0 || len > Integer.MAX_VALUE) {
// some JVMs don't return a proper length
ByteArrayOutputStream bout = new ByteArrayOutputStream();
byte[] buf = new byte[1024];
for (int r; (r = fin.read(buf)) != -1;)
bout.write(buf, 0, r);
content = bout.toByteArray();
} else {
content = new byte[(int) len];
fin.read(content);
}
return content;
} finally {
try { fin.close(); } catch (IOException ioe) {}
}
}
}
}